Allen, TX · Updated June 2026
5 Allen Plumbing Companies Worth Calling in 2026
Collin County sits on expansive clay, and Allen is no exception — the older sections near Bethany Dr and Allen Heights and the newer streets in Star Creek both sit on ground that swells and shrinks with moisture, which is why slab leaks and shifting supply lines are a routine call here rather than a rare one. All five companies below are physically headquartered inside Allen's own 75002 or 75013 ZIP codes, not routed in from a call center in another suburb. Our top pick for 2026 is O'Bryan Plumbing, LLC, which has served Allen since 1982 and carries a BBB Accredited A+ rating. We required a verifiable Allen street address and phone number for every company on this list.
How we picked these five
Every plumber on this list had to clear two bars: a real Allen-area street address we could confirm independently, and a documented history — either years actively serving Allen, a BBB accreditation date, or a disclosed state license number. We weighed years serving Allen 35%, BBB accreditation standing and tenure 30%, state licensing disclosure 20%, and physical presence inside Allen city limits 15%. Full method: how we rank.
Allen's plumbers, ranked
O'Bryan Plumbing, LLC Editor's Pick
- Longest continuous Allen presence of the five companies compared, dating to 1982
- BBB Accredited with an A+ rating
Amstel Plumbing Co.
- Same 1982 founding as our top pick, run by named owner Scott Carter
- Dedicated water heater installation and repair service page
AugerPros Plumbing and Drain, LLC
- BBB A+ Accredited since 2019
- Also runs a dedicated Allen water heater service page (see our water heater comparison)
Thorough Plumbing
- Owner Jeffrey Baty is a Registered Master Plumber with a publicly listed state license number
Allen plumbers compared
| Company | Address | Verification |
|---|---|---|
| O'Bryan Plumbing, LLC ★ | 104 N. Cedar Dr, Allen | BBB A+, serving Allen since 1982 |
| Amstel Plumbing Co. | 205 Happy Trails Ct, Allen | Founded 1982, owner named |
| In-House Plumbing Company | 5903 Curtis Dr, Allen | BBB Accredited since 2007 |
| AugerPros Plumbing and Drain, LLC | 206 W McDermott Dr Ste 120, Allen | BBB A+ since 2019 |
| Thorough Plumbing | 1314 W McDermott Dr, Allen | TX license M-44270 |
Figures from public BBB and company profiles as of June 2026; verify current details with each company.
What plumbing repairs run in Allen
Routine Allen-area plumbing repairs — drain clearing, faucet and toilet fixes — typically run $125–$450, while slab leak repairs common to Collin County's clay soil range much wider, from roughly $1,500 for an accessible spot repair to $15,000 for extensive tunneling.
Frequently asked questions about plumbers in Allen
Who is the best plumber in Allen, TX?
For 2026, our top pick is O'Bryan Plumbing, LLC, based on N. Cedar Dr in Allen. It has served Allen since 1982 and carries a BBB Accredited A+ rating. Amstel Plumbing Co. (also founded in 1982) and In-House Plumbing Company (BBB accredited since 2007) are also strong, Allen-headquartered options.
Why does Allen have so many slab leak repairs?
Like the rest of Collin County, Allen sits on expansive clay soil that swells and shrinks with moisture, stressing the water lines that run beneath the slab. That's true in older sections near Bethany Dr as well as newer streets in Star Creek, so slab leak detection and repair is a routine service category here, not a specialty call.
How did you verify these five Allen plumbers?
Each company needed a real Allen-area street address confirmed independently, plus a documented history: years actively serving Allen, a BBB accreditation date, or a disclosed state plumbing license number. We did not pad the list with unverifiable listings.
What do common plumbing repairs cost in Allen?
Drain clearing, toilet repairs and faucet fixes typically run $125–$450 across North Texas, with a $50–$95 service call fee. Slab leak repairs run far wider, from roughly $1,500 for an accessible spot repair to $15,000 for extensive tunneling.