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Plumbers in McKinney

McKinney is far above the 5,000-resident line at which Texas requires a city to regulate plumbing and water heaters by ordinance and permit, so most jobs beyond a leaky faucet or a toilet swap need one. The Responsible Master Plumber behind the company pulls it, and that person's name and license number belong on your bid.
#2

⭐ 4.9 · 747 reviews

323 Industrial Blvd Ste D, McKinney, TX 75069

#3

⭐ 4.9 · 335 reviews

606 E Standifer St, McKinney, TX 75069

#4

⭐ 4.9 · 168 reviews

4174 Co Rd 317, McKinney, TX 75069

#5

⭐ 5.0 · 58 reviews

5100 Eldorado Pkwy Ste 102-515, McKinney, TX 75070

#6

⭐ 4.9 · 130 reviews

2150 S Central Expy Ste 200, McKinney, TX 75070

#7

⭐ 4.8 · 2918 reviews

1444 N Central Expy, McKinney, TX 75070

#8

⭐ 4.8 · 836 reviews

321 N Central Expy Ste 309, McKinney, TX 75071

#9

⭐ 4.9 · 54 reviews

2150 S Central Expy #200, McKinney, TX 75070

#10

⭐ 4.9 · 46 reviews

351 E Louisiana St, McKinney, TX 75069

How we picked: this list ranks plumbers by a weighted score of their Google rating and review count, last collected August 18, 2026. Our terms of service explain how rankings and Featured spots work.

When a McKinney plumbing job needs a permit

Texas cities of more than 5,000 must regulate plumbing, including water heaters, by ordinance and require a permit. The state carve-out covers small work: fixing leaks or replacing faucets, ballcocks, garbage disposals or toilets.

Under TSBPE rules the Responsible Master Plumber (RMP) pulls permits, requests inspections and makes sure everyone on the crew is licensed or registered. A permit office must also confirm with TSBPE that the RMP has a certificate of insurance on file, at least $300,000 of general liability. Installed plumbing then has to be inspected by a licensed plumbing inspector. Ask the plumber for the permit number and check it with the City of McKinney before the walls are closed.

McKinney water heater replacements

A water heater swap is not one of the small-job exceptions, so expect it to be permitted. A licensed plumber may disconnect and reconnect a water heater on an existing electrical circuit, but new wiring needs an electrician.

What plumbers charge around McKinney

The nearest local figure is HomeGuide's Dallas guide, which puts most residential plumbing jobs at $182 to $500 (about $340 on average), with hourly rates of $45 to $200 and service calls of $100 to $250. That is a Dallas-area estimate, not a McKinney survey. Nationally, HomeGuide prices a burst-pipe repair at $400 to $2,000, or about $150 to $250 per linear foot.

Ask whether the service-call fee is credited against the repair. For the full Texas cost table, license types and hiring checklist, see our Texas plumbers guide.

Checking a plumber before a McKinney job

  • Look the plumber up on TSBPE's Public License Search by name, license number, city or county. Licenses renew every year.
  • Read the bid. Every written proposal, invoice or contract must show the RMP's name and license number plus TSBPE's name, mailing address and phone number, and you must get an invoice when the job is done.
  • Ask to see the card. License and registration holders must carry it on their person while working.
  • Know the cancellation rule. Texas's three-day home-solicitation cancellation law generally does not cover plumbing you called for, except for breach of an express warranty or negligent installation that violates code.

Complaints go to TSBPE on its General Complaint Form, or by phone at (512) 936-5200.

McKinney plumbing, freezes and the water supply

February 2021 is the planning case for North Texas pipes: Texas health officials confirmed 246 deaths related to that winter storm. Ask a plumber in the fall to insulate exposed lines and show you the main shutoff, and keep a copy of the burst-pipe estimate range above.

McKinney buys its wholesale water from the North Texas Municipal Water District and runs the local pipes itself. Before water service starts to new construction, or after material changes, a TCEQ customer service inspection checks private lines for cross-connections and illegal lead materials; a plumber with the Water Supply Protection Specialist endorsement can do it. Anyone testing or repairing a backflow assembly must hold a TCEQ tester license, valid three years.

McKinney homes on septic

Ask the city or Collin County Development Services which one permits the septic system at your address. Under the county's rules, repairing or upgrading half or more of a system means permitting it as a new one, so ask the plumber who files.

Plumbing and AC often share a closet; compare AC repair in McKinney if the condensate line is the leak. The Allen plumbers list covers the next city south, and local utility notes are on the McKinney page.

McKinney plumber FAQs

Do I need a permit to replace a water heater in McKinney?+

Expect one. Texas cities over 5,000 people must require plumbing permits, and water heaters are named in the law. Only small jobs such as fixing leaks or replacing faucets or toilets are excepted.

Can I do my own plumbing in McKinney?+

Texas does not require a plumbing license for an owner working in their own homestead. City permit and inspection rules may still apply, so check with the city first.

How do I verify a McKinney plumber's license?+

Search TSBPE's Public License Search by name or license number, and check that the bid shows the Responsible Master Plumber's name and license number.

Who tests backflow preventers in McKinney?+

Anyone who tests or repairs a backflow prevention assembly in Texas needs a TCEQ Backflow Prevention Assembly Tester license, which is valid for three years.