Why commercial plumber selection matters
Commercial plumbing problems carry costs that residential problems don’t. A failed water heater at a residence inconveniences a family; a failed water heater at a restaurant shuts down service. A drain backup at a home means cleanup; a drain backup at a retail store means closed business, customer impact, and potential health code consequences. The downtime cost dimension changes the calculus for commercial buyers – response time, reliability, scope capabilities, and ongoing relationship matter far more than for residential decisions.
The selection mistakes commercial buyers make typically fall into three categories: hiring residential plumbers who lack commercial experience (different code requirements, different scope, different equipment), choosing on price alone without evaluating capabilities and reliability (the cheap option that can’t respond when needed costs more in downtime), and treating plumbing as transactional rather than relational (every emergency starts cold instead of leveraging a relationship that knows the property). All three lead to higher total cost of plumbing services over time, not lower.
This guide provides a 10-factor framework for evaluating commercial plumbers: Master Plumber licensing verification, insurance levels appropriate for commercial scope, commercial-specific experience by property type, code knowledge (IPC vs. residential IRC plus local amendments), response time and availability for commercial emergencies, scope capabilities (backflow, grease trap, large equipment), references from comparable properties, communication and documentation practices, pricing structures appropriate for commercial relationships, and long-term relationship factors. Also covers DFW-specific commercial context, common selection mistakes, and the questions to ask during evaluation. For active commercial plumbing emergencies, call 214-918-6109.
Key takeaways
- Commercial plumbing is materially different from residential plumbing. Different codes apply (IPC vs. IRC), different scope is required (backflow, grease traps, large-equipment), different response time matters (downtime cost), different pricing structures fit (service contracts, T&M, fixed bid).
- Master Plumber license verification is the foundational requirement. Texas requires a Responsible Master Plumber for any commercial plumbing business; verify the license number at tsbpe.texas.gov before hiring. Single-license commercial-scope plumbers should have the specific endorsements relevant to your property (gas, backflow, medical gas, etc.).
- Commercial-specific experience matters more than years in business. A plumber with 30 years residential and minimal commercial experience may struggle with commercial scope. Ask about specific experience with property types similar to yours (multi-tenant office, restaurant, healthcare, retail, industrial, hospitality).
- Response time and availability are critical for commercial. Downtime cost (lost revenue, customer impact, food spoilage, tenant complaints, health code consequences) makes response time a primary selection factor. Verify 24/7 availability and typical response windows for your property type.
- Scope capabilities determine fit. Commercial scope includes backflow testing/certification, grease trap maintenance and pumping coordination, commercial water heaters (often substantially larger and different design than residential), multi-zone hydronic systems, floor drains, large-diameter drain cleaning, commercial gas systems, fire protection coordination, plumbing fixtures meeting ADA requirements.
- References from comparable properties are more valuable than general references. A restaurant property manager should ask for restaurant references; a medical office property manager should ask for healthcare references.
- Pricing structures vary substantially. Time and materials (T&M) for unpredictable scope; fixed bid for defined projects; service contracts for ongoing maintenance and priority response. Understand the structure that fits your property’s needs.
- Long-term relationship dramatically reduces total plumbing cost. A plumber who knows your property responds faster, scopes work better, prevents recurring issues, and provides documentation continuity. Transactional relationships start every emergency cold.
- Call 214-918-6109 for commercial plumbing services, evaluation discussions, and service contract consultations across Mesquite, Garland, Rowlett, Dallas, Plano, Richardson, Balch Springs, and Sunnyvale – Master Plumber License M-39428 with gas endorsement, BBB A+ since 2018.
The 10-factor commercial plumber selection framework
Factor 1: Master Plumber license verification
Texas law requires a Responsible Master Plumber for any plumbing business. For commercial plumbers, license verification is the foundational requirement.
What to verify:
- Master Plumber license number (format: M-#####)
- License status (active, in good standing)
- License expiration date
- Relevant endorsements: gas endorsement (for commercial gas work), backflow endorsement (for backflow prevention work), medical gas endorsement (for healthcare), water supply protection (varies by scope)
- Disciplinary history (TSBPE records show any actions)
How to verify: Texas State Board of Plumbing Examiners (TSBPE) maintains public license records at tsbpe.texas.gov. Verification takes minutes and confirms the plumber is legally authorized for Texas plumbing work.
Why this matters: unlicensed plumbing work creates legal liability for the property owner; uninsured work compounds the liability. Licensed plumbers are accountable to TSBPE; unlicensed providers are not.
Factor 2: Insurance levels appropriate for commercial scope
Commercial plumbing work requires substantially higher insurance levels than residential work due to potential property damage scope, liability exposure, and contract requirements.
What to verify:
- General liability insurance (typical commercial minimums: $1 million per occurrence, $2 million aggregate; higher for larger properties or higher-risk work)
- Workers compensation insurance (Texas not mandatory but commercial properties typically require it)
- Commercial auto insurance (service vehicles)
- Tools and equipment coverage
- Umbrella policy for larger projects
- Bonding for specific project types
How to verify: Request a Certificate of Insurance (COI) from the plumber’s insurance agent listing your property as additional insured for the work scope. Standard practice for commercial work. The COI confirms coverage at the time issued; verify before work begins.
Factor 3: Commercial-specific experience by property type
“30 years in business” doesn’t necessarily mean “30 years of commercial experience similar to your property.” Commercial property types have distinct plumbing characteristics requiring relevant experience.
Property type considerations:
- Restaurants and food service: grease traps, dishwashers, ice machines, hand wash sinks (health code), floor drains, hood washdown systems, beverage equipment, common high-volume drain issues
- Multi-tenant retail: tenant build-out coordination, isolation between tenant spaces, multi-meter setups, shared infrastructure (mains, sewer connections)
- Office buildings: water-efficient fixture programs, multi-floor venting and drain design, hot water recirculation systems, after-hours response coordination
- Healthcare facilities: medical gas systems (specific endorsement required), backflow prevention at higher standard, infection control during work, specialized fixtures, regulatory compliance documentation
- Industrial properties: process water, large drain systems, chemical-resistant fixtures, high-volume hot water, specialized waste handling
- Hospitality (hotels, motels): in-room plumbing failure response, central hot water systems often substantial size, pool/spa coordination, public restroom volume
- Multi-family residential (apartments, condos): tenant relations during repairs, common system maintenance, individual unit emergency response, often slab construction
How to evaluate: ask specifically about experience with properties similar to yours – similar use type, similar size, similar age. Ask for references from comparable properties.
Factor 4: Code knowledge (commercial codes plus local amendments)
Commercial plumbing uses the International Plumbing Code (IPC) rather than residential code (IRC). The codes differ substantially in scope, requirements, and complexity.
Code knowledge areas:
- IPC current edition requirements
- Local amendments adopted by the AHJ (authority having jurisdiction)
- Backflow prevention requirements (commercial more stringent than residential)
- ADA accessibility requirements for fixtures
- Energy code requirements affecting water heating
- Fire protection coordination with sprinkler systems
- Medical gas code (for healthcare scope)
- Food service plumbing requirements (for restaurants)
- Specific local requirements (FOG ordinances, grease trap requirements)
How to evaluate: ask about specific code questions relevant to your property. A plumber who hedges on specific code questions or admits unfamiliarity with commercial codes is showing the answer.
Factor 5: Response time and availability for commercial emergencies
Commercial downtime cost makes response time a primary selection factor. Different property types have different urgency:
Response time considerations by property type:
- Restaurants: very high urgency (cannot operate without hot water, drains, restrooms); typical target response 2-4 hours from call
- Healthcare: critical urgency (patient care implications); typical target response 1-2 hours
- Retail: high urgency during operating hours; varies by issue
- Office buildings: moderate urgency during business hours, varies after hours
- Industrial: depends on production impact
- Hospitality: high urgency (guest impact, room revenue)
- Multi-family: depends on unit impact and tenant lease obligations
What to verify:
- 24/7 availability for emergencies
- Typical response time targets
- How emergencies are triaged and dispatched
- Backup coverage when primary technician unavailable
- After-hours pricing structure
Factor 6: Scope capabilities
Commercial plumbing scope is broader than residential. Verify the plumber’s capabilities match your property’s needs.
Common commercial scope areas:
- Backflow testing and certification: annual testing of backflow preventers (required by most municipalities for commercial properties); requires specific certification
- Grease trap service coordination: pumping scheduling, cleaning, compliance documentation, regulatory reporting
- Commercial water heaters: often substantially larger than residential (75-200+ gallon tank, large tankless arrays); different design considerations; specific code requirements
- Boiler systems: hydronic heating systems for some commercial properties; specific expertise required
- Commercial gas systems: higher capacity than residential; commercial code requirements; cooking equipment, water heating, space heating coordination
- Multi-zone systems: hot water recirculation across multiple zones, multi-floor venting, multi-tenant isolation
- Floor drains: common commercial element; trap priming requirements; common food service and industrial fixture
- Large-diameter drain cleaning: hydro-jetting capacity for large drains, mainline drains, parking lot drains
- Fire protection coordination: plumbing aspects of fire sprinkler system coordination
- Plumbing fixture programs: ADA fixtures, water efficiency programs, replacement programs
Factor 7: References from comparable properties
References from properties similar to yours are more valuable than general references. A restaurant manager should not weight a homeowner reference; a property manager should not weight a single-service reference.
What to ask references:
- How long have you used this plumber?
- What type of work have they done for you?
- How is their response time for emergencies?
- How is their communication and documentation?
- How do they handle unexpected issues during work?
- How is their pricing – reasonable, transparent?
- Would you hire them again? Why or why not?
- Any specific situations where they exceeded or fell short of expectations?
Reference quality signals:
- Long-term relationship (multi-year) is positive
- Repeat business across multiple service categories is positive
- Specific examples (not just “they were great”) indicate genuine experience
- Willingness to discuss problems handled well shows real relationship
Factor 8: Communication and documentation practices
Commercial plumbing requires more sophisticated documentation than residential. Property managers, building owners, and corporate offices typically have documentation requirements for service work.
Documentation considerations:
- Work orders and service tickets (detail level, format)
- Photo documentation of work performed
- Materials and parts used (warranties, specifications)
- Permit handling and compliance documentation
- Backflow testing reports and regulatory submissions
- Service contract documentation
- Recurring service scheduling and tracking
- Invoicing format compatible with corporate accounts payable
- Tax handling (commercial plumbing typically tax-exempt; specific Texas requirements)
Communication considerations:
- Single point of contact vs. dispatch coordination
- Response time for non-emergency communications
- Email vs. phone preferences
- After-hours emergency coordination process
- Notification requirements (e.g., tenant notification before work in occupied spaces)
Factor 9: Pricing structures appropriate for commercial relationships
Commercial pricing structures differ from residential. The right structure depends on property needs and work types.
Pricing structure options:
- Time and materials (T&M): hourly labor plus parts; appropriate for diagnostic and unpredictable scope; transparency of actual cost; variable bill amounts
- Fixed bid: defined scope at defined price; appropriate for projects with clear specifications; cost certainty; requires accurate scope definition
- Service contracts: monthly or annual fee for defined service scope (typically preventive maintenance plus priority emergency response); cost predictability; relationship value
- Hybrid arrangements: service contract for routine work plus T&M for emergencies and projects
Service contract considerations:
- Scope (what’s included, what’s excluded)
- Frequency of preventive visits
- Priority response commitments
- Discount structure for in-contract emergency response
- Contract length and renewal terms
- Termination provisions
Factor 10: Long-term relationship factors
The total cost of commercial plumbing services over time is lower with a long-term relationship than with transactional one-off service. The relationship benefits compound.
Relationship value sources:
- Property familiarity: plumber who has worked at the property repeatedly knows the systems, history, and quirks
- Faster response and diagnosis: known systems reduce diagnostic time
- Better scope estimates: experience with the specific property improves estimating accuracy
- Preventive perspective: knowledge of recurring issues enables prevention
- Priority during peak demand: contract customers get priority during peak emergency situations
- Documentation continuity: ongoing record of work performed
- Trusted technician(s): same technicians familiar with property reduce communication overhead
- Trust during pricing discussions: established relationship reduces friction over T&M pricing
DFW-specific commercial plumbing context
Mesquite/DFW commercial property mix
DFW commercial properties span: older industrial (Mesquite, Garland have substantial industrial heritage), modern retail (rapid growth corridor), food service heavy (high restaurant density), office (Dallas urban core plus suburban office parks), healthcare (substantial DFW medical infrastructure), multi-family (rapid apartment construction), hospitality (event/entertainment district). Each property type has distinct plumbing requirements.
TSBPE license verification
Texas State Board of Plumbing Examiners is the licensing authority. Public license records at tsbpe.texas.gov. Commercial property managers should verify Master Plumber credentials for any plumbing service provider. Verification takes minutes and confirms legal authorization.
Local AHJ commercial permitting
Commercial plumbing permits issued by local Authority Having Jurisdiction (city building department typically). Commercial permitting is more involved than residential. Plumbers with commercial experience understand the permitting process for your specific AHJ.
Atmos Energy commercial gas service
Atmos Energy provides natural gas service across most of DFW. Commercial gas service coordination requires understanding of Atmos requirements for commercial scope. Commercial plumbers with gas endorsement and DFW experience coordinate effectively with Atmos.
Municipal backflow programs
Most DFW municipalities require annual backflow testing for commercial properties. Programs vary by municipality (Mesquite, Garland, Rowlett, Dallas, Plano, Richardson, Balch Springs, Sunnyvale, and others each have specific requirements). Commercial plumbers familiar with each program complete testing and submit documentation efficiently.
Commercial grease trap (FOG) requirements
Fats, Oils, and Grease (FOG) ordinances require commercial food service properties to maintain grease traps and follow specific pumping schedules. Commercial plumbers coordinate grease trap service, maintain compliance documentation, and respond to FOG-related issues.
February 2021 freeze legacy
The 2021 freeze affected commercial properties substantially. Some commercial plumbing systems still have unresolved freeze damage manifesting in 2026 as developing issues. Commercial plumbers familiar with post-2021 freeze assessment provide value.
Common selection mistakes
Mistake 1: Hiring residential-focused plumbers for commercial work
Residential plumbers may lack commercial code knowledge, commercial-scale equipment, commercial liability insurance, and commercial documentation practices. The mistake costs more in code violations, inadequate scope, repeat issues, and eventually requiring re-engagement of qualified commercial plumber.
Mistake 2: Selecting on price alone
Lowest bid often correlates with lower capability, longer response time, less documentation, less reliability. The savings on individual service calls disappear when downtime cost from delayed response or repeat work exceeds the price difference.
Mistake 3: Treating plumbing as purely transactional
Every emergency starts cold without a relationship. New plumber every time means new diagnosis, new familiarity with the property, no continuity of work history, no priority during peak demand. Relationship-based commercial plumbing dramatically reduces total cost of plumbing services.
Mistake 4: Not verifying licensing and insurance
Unlicensed work creates legal liability for the property owner. Uninsured work compounds the liability. Verification takes minutes and protects substantially.
Mistake 5: No clear pricing structure understanding
Service expectations and pricing structure should be clear before work begins. Surprise pricing creates relationship friction and unexpected costs.
Mistake 6: Not establishing preventive maintenance
Reactive-only plumbing relationships miss the cost benefits of preventive maintenance: annual backflow testing, grease trap maintenance schedules, water heater preventive service, drain cleaning preventive programs.
Mistake 7: Not understanding scope limits
A plumber may be excellent for routine service but unable to handle specific scope areas (medical gas, fire protection coordination, large commercial water heaters). Understand scope match before assuming capability.
The evaluation conversation
Initial questions when evaluating commercial plumbers
Direct questions worth asking during evaluation:
- What is your Master Plumber license number and current status?
- What endorsements does your business have?
- What commercial property types do you primarily serve?
- Tell me about a recent commercial project similar to ours.
- What’s your typical response time for commercial emergencies?
- Do you offer service contracts? What do they typically include?
- How do you handle backflow testing and FOG compliance documentation?
- Can you provide references from comparable commercial properties?
- What’s your insurance coverage for commercial work?
- How do you handle permit coordination?
- What’s your pricing structure for commercial work?
- How do you handle after-hours emergency response?
Red flags during evaluation
- Reluctance to share license number or insurance details
- Limited commercial experience but enthusiastic about taking the work
- Vague answers about response time or availability
- Difficulty providing comparable references
- No service contract offerings (transactional-only)
- Pricing structure unclear or unwilling to discuss
- Limited documentation practices
- Single-person operation with no backup coverage
Positive signals during evaluation
- Master Plumber license verifiable at tsbpe.texas.gov
- Specific commercial experience aligned with your property type
- Clear response time commitments with operational backup
- Strong comparable references
- Service contract options with clear scope and pricing
- Transparent pricing structure
- Comprehensive documentation practices
- Multi-technician operation with continuity coverage
- Established business presence (BBB accreditation, local visibility, longevity)
- Specific code knowledge relevant to your property
The economics of choosing well
Cost comparison: well-chosen vs poorly-chosen commercial plumber
For a typical commercial property with annual plumbing service needs (preventive maintenance, occasional emergencies, periodic projects):
- Well-chosen relationship: predictable preventive maintenance costs, fast emergency response (minimizing downtime cost), accurate diagnosis (avoiding repeat issues), comprehensive documentation (supporting compliance and history), priority response during peak demand
- Poorly-chosen or transactional relationship: reactive-only costs (more emergencies, no prevention), slow emergency response (higher downtime cost), repeated diagnosis costs (each plumber starting cold), incomplete documentation (compliance challenges), lower priority during peak demand (when emergencies pile up)
The hidden costs of poor selection
Hidden costs often dwarf the direct service cost:
- Downtime cost: lost revenue during emergency response delays
- Customer impact: lost customers, reputational damage
- Tenant relations: tenant complaints, lease implications
- Compliance violations: penalties, regulatory issues
- Repeated work: same issues recurring due to inadequate first-time response
- Liability exposure: from unlicensed or uninsured work
- Time cost: property manager time spent coordinating multiple plumbers
The relationship value compound effect
Year 1 of a commercial plumbing relationship: learning the property, establishing patterns, baseline documentation.
Year 2-3: efficiency gains, faster response, prevention of recurring issues.
Year 4+: comprehensive property knowledge, optimized service patterns, deep familiarity with systems, ongoing value compounding.
The relationship value grows over time. Switching plumbers resets the clock and loses the accumulated value.
A 30-year DFW perspective on commercial plumbing selection
The pattern we see consistently among commercial properties: well-selected commercial plumbing relationships substantially outperform poorly-selected or transactional approaches over time. The properties with established relationships have fewer emergencies, lower total plumbing cost, better compliance documentation, and less stress around plumbing decisions. The properties without established relationships experience more emergencies, higher total cost, recurring issues, and ongoing complications.
The selection mistakes are recurring: hiring residential plumbers for commercial work, choosing on price alone, treating plumbing as transactional, not verifying credentials. Each mistake leads to higher total cost over time. The investment in proper selection at the start of the relationship pays back over years of plumbing service.
For 2026 and beyond, the considerations affecting DFW commercial plumbing selection are: continued growth in commercial property base creating more selection decisions; ongoing 2021 freeze legacy issues; evolving code requirements; increasing emphasis on backflow and FOG compliance; growing commercial market with varied service providers requiring careful evaluation. The framework in this guide provides a systematic approach to selection that protects against the common mistakes and identifies the right long-term relationship for your property.
When should you call James Armstrong Plumbing?
Call 214-918-6109 for any of the following:
- Commercial plumbing service inquiry or evaluation discussion
- Service contract consultation for commercial property
- Commercial emergency plumbing response
- Backflow testing and certification
- Grease trap service coordination and FOG compliance
- Commercial water heater service or replacement
- Commercial gas system service
- Multi-tenant property plumbing coordination
- Restaurant and food service plumbing
- Healthcare facility plumbing service
- Office building, retail, hospitality, industrial plumbing
- Property manager consultation on plumbing service planning
- Permit coordination for commercial plumbing work
- Documentation and compliance support
Master Plumber James Armstrong (License M-39428 with gas endorsement, BBB A+ since 2018) and the JAP team provide comprehensive commercial plumbing services across DFW: emergency response, service contracts, backflow testing, grease trap service, commercial water heaters, multi-zone systems, code-compliant installation and repair, documentation, and ongoing relationship support. For related guides, see our commercial emergency plumbing guide, consumer protection guide for plumbing services, and commercial services overview. Service areas: Mesquite, Garland, Rowlett, Dallas, Plano, Richardson, Balch Springs, and Sunnyvale.
Frequently asked questions
How is a commercial plumber different from a residential plumber?
Commercial plumbing is materially different from residential. Different codes apply (IPC for commercial vs. IRC for residential); different scope is required (backflow testing, grease traps, large equipment, multi-zone systems); different response time matters due to downtime cost; different documentation requirements (regulatory compliance, corporate accounting); different insurance levels required; different pricing structures fit (T&M, fixed bid, service contracts). A plumber qualified for residential work may lack commercial code knowledge, commercial-scale equipment, commercial insurance, or commercial documentation practices.
What licenses should a commercial plumber have?
Master Plumber license is the foundational requirement (Texas RMP). For specific commercial scope, additional endorsements may be needed: gas endorsement (for commercial gas work), backflow endorsement (for backflow testing and installation), medical gas endorsement (for healthcare), water supply protection (varies by scope). Verify license number and status at tsbpe.texas.gov. Confirm any specific endorsements for your property’s scope.
How much insurance should a commercial plumber carry?
Commercial work typically requires substantially higher insurance than residential: general liability minimum $1 million per occurrence, $2 million aggregate is common, with higher limits for larger properties or higher-risk work; workers compensation (commercial properties typically require); commercial auto insurance for service vehicles; tools and equipment coverage; possible umbrella policy for larger work. Always request a Certificate of Insurance (COI) before work begins listing your property as additional insured.
What questions should I ask when evaluating a commercial plumber?
Direct questions: Master Plumber license number and status; specific commercial property types served; recent comparable project examples; typical response time for emergencies; service contract offerings; backflow and FOG compliance handling; references from comparable properties; insurance coverage for commercial work; permit coordination experience; pricing structure for commercial work; after-hours emergency response process; backup coverage and continuity. Watch for vague answers, reluctance to share details, or limited commercial-specific experience.
Should I sign a service contract with my commercial plumber?
Service contracts typically deliver value for commercial properties that need: regular preventive maintenance (backflow testing, grease trap service, water heater service), priority emergency response, predictable monthly cost, ongoing relationship value, comprehensive documentation. Evaluate: scope clarity, response time commitments, pricing relative to T&M baseline, contract length and renewal terms, what’s excluded. Service contracts work best for properties with substantial ongoing needs; transactional relationships may fit better for properties with minimal needs.
How much does commercial plumbing cost in DFW?
Commercial plumbing pricing varies substantially by scope. Typical 2026 DFW commercial pricing ranges: emergency response $150-$250/hour plus parts and after-hours premiums; backflow testing $150-$400 per device; grease trap pumping $300-$800 per service depending on trap size; commercial water heater installation $5,000-$30,000+ depending on size and complexity; multi-zone hot water system service variable. Service contracts: $200-$2,000+/month depending on scope and property size. Get quotes specific to your property and scope.
What is backflow testing and why does my commercial property need it?
Backflow prevention devices prevent contaminated water from flowing back into the municipal water supply. Most DFW municipalities require annual backflow testing for commercial properties. Failed or expired backflow tests result in non-compliance violations and potential service interruption. Backflow testing requires specific certification; not all plumbers are certified backflow testers. Verify the plumber’s backflow certification before scheduling testing.
How fast should a commercial plumber respond to emergencies?
Response time targets vary by property type. Restaurants and healthcare typically need 1-4 hour response targets. Retail and office buildings vary by issue urgency. Industrial depends on production impact. Hospitality typically high urgency for guest-impact issues. Multi-family depends on unit impact and tenant lease obligations. Service contract customers typically get priority response. Verify response time commitments before signing contracts; ask about typical response times during evaluation.
Should I use the same plumber for all my commercial properties?
Consolidating across multiple properties typically provides benefits: relationship leverage for better service, consistent documentation across portfolio, efficiency in service coordination, potential pricing benefits. The plumber must have capacity to serve multiple properties without sacrificing response time. Some property management companies use single providers for all properties; others use providers by region or property type. Evaluate based on scale and capacity match.
What’s the most important factor in commercial plumber selection?
Commercial-specific experience aligned with your property type is the most important single factor. A plumber with extensive commercial experience similar to your property will navigate code requirements, scope challenges, response timing, and documentation effectively. Without this experience, even a highly-qualified residential plumber may struggle with commercial work. Other factors (licensing, insurance, response time, references, communication, pricing, relationship) all matter, but commercial-specific experience is the foundation that makes the others meaningful.
This guide reflects 2026 DFW commercial plumbing service market conditions and selection considerations. Individual property needs vary; for specific commercial plumbing consultation call 214-918-6109. Master Plumber license verification can be performed at tsbpe.texas.gov.
