How much does a plumber cost in Houston?

There is no official Houston price list for plumbing, and the large cost guides publish national figures. They are still the best public benchmark for judging a quote, as long as you remember they are national averages. Most plumbers charge in one of three ways:

• Service call or trip fee to come out and diagnose, often including the first hour.
• Hourly labor plus parts, common for repairs where the scope is unclear.
• Flat rate per job, common for drain clearing and water heater replacement.

HomeAdvisor's 2026 plumber cost guide puts the national average for hiring a plumber at $341, with a typical range of $182 to $501. It lists hourly rates of $45 to $200, with most plumbers at $70 to $120 per hour before trip fees and materials, and a service call of $100 to $250 that usually covers the first hour. By experience, it lists apprentices at $45 to $90 per hour, journeypersons at $60 to $110 and master plumbers at $80 to $200.

HomeGuide's 2026 plumber cost guide gives a similar picture: $45 to $150 per hour on average, a service call or minimum fee of $50 to $200, and emergency rates of about $125 to $170 per hour. It says weekends, after hours and holidays are often billed at double or triple time.

These are national ranges from the guides named in each row. Treat them as a sanity check, not a quote.

The HomeGuide drain cleaning guide adds that multiple drains backing up at once is a common sign of a main line stoppage, and that after-hours emergency rates are often 2 to 3 times standard pricing. The HomeGuide water heater guide lists 40-gallon tanks at $600 to $3,000 installed and 50-gallon tanks at $700 to $3,100. The HomeGuide slab leak guide puts digging and replacing the pipe at $700 to $5,000. For background on each job, see our guides to drain cleaning, water heaters, leak detection and sewer line repair.

• Timing. Night, weekend and holiday work is where the double and triple time rates in the guides come from. If water is shut off and the leak is contained, waiting for regular hours usually costs less.
• Slab foundations. In a home on a concrete slab, a leak under the floor means locating it, then tunneling, breaking concrete or rerouting. See our slab leak guide.
• Older drain lines. Census Bureau survey data for 2020 to 2024 show about 47 percent of Houston housing units were built before 1980 (ACS tables B25034 and B25035). Older homes are more likely to have cast iron drains; see our cast iron guide.
• Permits and inspections. Inside the City of Houston, the Permitting Center's Plumbing Inspection section handles plumbing permits and ground, rough, sewer and final inspections. A permitted job takes longer but leaves a record of an inspection.

1. Ask both plumbers to quote the same scope, in writing, with parts and labor separated.
2. Ask whether the price includes the permit, inspection, haul-away of old equipment and patching of drywall or concrete.
3. For sewer and slab work, ask to see the camera footage or the leak location before agreeing to a replacement.
4. Check the license of the person doing or supervising the work in the Texas plumbing license search.

A quote far outside the national ranges is not automatically wrong, since access and local labor costs vary, but it is a reason to ask what makes the job different. Our hiring guide covers deposits and contracts.

We are an independent guide, not a contractor, and we do not perform plumbing work or answer phones. To reach a plumber, call one of the licensed contractors listed on this page or see all listed contractors. Questions about this guide: email us. We do not take service requests. Check the license of anyone you hire, including the contractors listed on this page.