Trade directory · San Antonio metro · Texas

Plumbing contractors in
San Antonio, Texas.

A public directory of licensed plumbing contractors serving greater San Antonio. Market data, licensing requirements, and cost benchmarks — updated continuously from public sources.

Licensed Establishments
8,320
U.S. Census Bureau
Peak Season
Summer months (June-August) due to high water usage and freeze damage repairs in winter
Market estimate
Avg. Response Time
24-48 hours for quotes, same-day for emergency calls
Operator average
§ A · Market rates

Common Job Costs

SAN ANTONIO-TX · LOCAL ESTIMATES
Service
Description
Cost Range
Toilet repair/replacement
Typical range based on local toilet repair/replacement jobs.
$150 – $450
Water heater installation
Typical range based on local water heater installation jobs.
$800 – $2,200
Drain cleaning
Typical range based on local drain cleaning jobs.
$100 – $350
Pipe repair/replacement
Typical range based on local pipe repair/replacement jobs.
$200 – $800
Faucet installation
Typical range based on local faucet installation jobs.
$120 – $300
Sewer line repair
Typical range based on local sewer line repair jobs.
$1,200 – $4,500
§ B · Regulatory

Licensing Requirements

TX
§1

Licensing Requirements

Texas requires Plumbing License through Texas State Board of Plumbing Examiners. Must complete 4-year apprenticeship or equivalent experience, pass state exam covering plumbing codes and safety. Journeyman license required before Master Plumber. Renewal every 2 years with 8 hours continuing education.

§2

Permit Requirements

City of San Antonio requires permits for water heater replacement, new plumbing installations, major repairs, and sewer line work. Permit fees range $50-200 depending on scope. Homeowner permits available for minor work.

§3

Inspection Schedule

Rough-in inspection before covering pipes, final inspection before occupancy. Water heater installations require inspection within 24 hours of completion. Sewer line work requires trench inspection before backfill.

§4

Insurance Minimums

General liability minimum $300,000 per occurrence in Texas. Workers compensation required if employing others. Bonding requirements vary by municipality, typically $10,000-25,000 for larger projects.

§ C · Path to license

How to Get Licensed

6 STEPS
1

Register as Apprentice

Apply with Texas State Board of Plumbing Examiners as registered apprentice. Submit application with $50 fee and proof of high school diploma or equivalent.

01/06
2

Complete Apprenticeship

Complete 4-year apprenticeship program under licensed master plumber or approved training program. Must document 8,000 hours of on-the-job training and related classroom instruction.

02/06
3

Apply for Journeyman Exam

Submit journeyman license application with proof of completed apprenticeship, $75 exam fee, and supporting documentation to state board.

03/06
4

Pass Journeyman Exam

Pass state journeyman plumber exam covering Texas plumbing codes, safety regulations, and trade practices. Exam administered by approved testing centers.

04/06
5

Obtain Master License

After 4 years as journeyman, apply for master plumber license with additional $100 fee. Master license required to pull permits and supervise other plumbers.

05/06
6

Maintain License

Renew license every 2 years with 8 hours continuing education and renewal fees. Keep current with code changes and safety requirements.

06/06
§ D · Field notes

About This Market

UPDATED APR 2026

San Antonio's plumber market is steady with 8,320 licensed establishments statewide creating solid competition. Residential service calls dominate - water heater replacements, drain cleaning, and fixture repairs. Summer heat drives demand for water system work while winter freeze events create surge periods. Costs run middle-of-road for Texas markets, with materials and labor availability generally good except during weather emergencies.

To work San Antonio, you need your Texas plumbing license first - no shortcuts. The 4-year apprenticeship requirement is real, and the state exam covers current codes thoroughly. City permit process is straightforward but required for most jobs beyond basic repairs. Build relationships with supply houses early - delivery schedules matter when customers are without water. Keep emergency response capacity if you want the profitable after-hours calls that separate busy shops from struggling ones.

Data Sources
  • Licensed establishments count
    US Census Bureau
  • Licensing requirements
    Texas State Board of Plumbing Examiners
  • Permit requirements
    City of San Antonio Building Department
  • Insurance minimums
    Texas Department of Insurance
  • Cost ranges
    Local market estimates
§ E · FAQ

Frequently Asked Questions

05 QUESTIONS
Q/01

How much does a plumbing license cost in Texas?

Texas plumbing license application fees are $50 for apprentice registration, $75 for journeyman exam, and $100 for master plumber license according to Texas State Board of Plumbing Examiners fee schedule.

Q/02

Do I need a permit for water heater replacement in San Antonio?

Yes, San Antonio requires permits for water heater replacement. Permit fees typically run $75-150 and inspection is required within 24 hours of completion per city building department requirements.

Q/03

What insurance do plumbers need in Texas?

Texas requires minimum $300,000 general liability insurance per occurrence for licensed plumbers. Workers compensation is mandatory if you have employees, with rates varying by payroll and risk classification.

Q/04

How long does it take to get a plumbing license in Texas?

Texas requires 4-year apprenticeship or equivalent experience before taking journeyman exam. Processing time for license application is typically 4-6 weeks after passing exam, according to state licensing board timelines.

Q/05

What plumbing work requires permits in San Antonio?

San Antonio requires permits for new installations, water heater replacement, major repairs, and sewer line work. Basic repairs like faucet replacement or drain cleaning typically do not require permits per city building code.

§ F · Directory

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