Skip to content
Nearby Plumber — nearbyplumber.com · License-verified plumbing directory · printed Oct 21, 2026
Texas › Williamson County
Williamson County, Texas

Plumbers in Williamson County, Texas.

209 license-verified plumbers are filed in Williamson County on TSBPE records in the Blackland Prairie region. The 100 with the strongest verification are listed below. Every listing is checked against TSBPE license records.

Updated September 8, 2026 · listings checked against TSBPE records September 7, 2026

Williamson County, at a glance
All Texas permit guides →
License-verified plumbers filed here
209
Listed on this page
100
Permitting authority
City of Round Rock Building Inspection Division
Region
Blackland Prairie
Providers

Williamson County plumbers, verified first.

Each listing shows how it matched TSBPE records, with its license number and phone. Anything we could not match is labeled as such, never badged.

How listings are labeled
  • ✓ Tier 1 — License-matched
  • Tier 2 — Roster-matched
  • Tier 3 — Directory-sourced labeled “Unverified”
How we verify →

Showing 100 of 209 license-verified plumbers filed in Williamson County, highest verification tier first.

3
3 Option Plumbing Service ✓ TSBPE Verified
Master Plumber · M38691 · Active — checked Sep 7, 2026

Filed in Williamson County

(325) 733-2375 View profile
36
360 Plumbing and Gas Solutions LLC ✓ TSBPE Verified
Master Plumber · M41613 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 337-7395 View profile
3T
3T Spur Construction ✓ TSBPE Verified
Master Plumber · M47345 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 500-5068 View profile
6B
6B Plumbing LLC ✓ TSBPE Verified
Master Plumber · M4101 · Active — checked Sep 7, 2026

Filed in Williamson County

(254) 793-0155 View profile
A-
A-Ok Plumbing Inc. DBA Benjamin Franklin Plumbing ✓ TSBPE Verified
Master Plumber · M15007 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 419-0055 View profile
A&
A&T Service Plumbing LLC ✓ TSBPE Verified
Master Plumber · M45448 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 825-0983 View profile
AB
Abm Plumbing of Central Texas LLC, A Wos of Abm Plumbing Com ✓ TSBPE Verified
Master Plumber · M16739 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 620-8200 View profile
AC
Accent Plumbing, Inc. ✓ TSBPE Verified
Master Plumber · M18682 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 251-2819 View profile
AD
Adeal Plumbing & Service ✓ TSBPE Verified
Master Plumber · M39228 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 276-7030 View profile
AF
Affordable Plumbing ✓ TSBPE Verified
Master Plumber · M17041 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 352-9670 View profile
AI
Airco Mechanical Ltd. ✓ TSBPE Verified
Master Plumber · M37961 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 845-6166 View profile
AL
All-Star Trade Pros – Plumbing & AC ✓ TSBPE Verified
Master Plumber · M13090 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 748-7963 View profile
AL
Aloha Plumbing LLC ✓ TSBPE Verified
Master Plumber · M40634 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 751-8186 View profile
AM
Ambroco LLC ✓ TSBPE Verified
Master Plumber · M44191 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 962-4914 View profile
AM
American Eagle Plumbing Inc. ✓ TSBPE Verified
Master Plumber · M43008 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 626-8661 View profile
AM
American Residential Services / Rescue Rooter ✓ TSBPE Verified
Master Plumber · M46305 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 354-8204 View profile
AP
Apex Maintenance Group LLC. ✓ TSBPE Verified
Master Plumber · M41007 · Active — checked Sep 7, 2026

Filed in Williamson County

(806) 702-4478 View profile
AP
Apex Plumbing Contractors LLC ✓ TSBPE Verified
Master Plumber · M40935 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 571-8476 View profile
AR
Ar Central Texas Plumbing Unverified · directory-sourced
Master Plumber · M45789 · expired — checked Sep 7, 2026

Filed in Williamson County

(512) 358-1331 View profile
AR
Ark Plumbing ✓ TSBPE Verified
Master Plumber · M45069 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 987-2126 View profile
AR
Arrow Plumbing ✓ TSBPE Verified
Master Plumber · M45331 · Active — checked Sep 7, 2026

Filed in Williamson County

(737) 293-1307 View profile
AS
Asolution Finder LLC ✓ TSBPE Verified
Master Plumber · M41828 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 831-9060 View profile
AT
Atech Plumbing LLC ✓ TSBPE Verified
Master Plumber · M38494 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 422-2727 View profile
AT
ATX Mechanical Services LLC ✓ TSBPE Verified
Master Plumber · M43739 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 708-9391 View profile
AT
ATX Plumbing LLC ✓ TSBPE Verified
Master Plumber · M36892 · Active — checked Sep 7, 2026

Filed in Williamson County

(737) 742-0559 View profile
AT
ATX United Inc. DBA United Plumbing Services ✓ TSBPE Verified
Master Plumber · M13892 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 801-3746 View profile
AU
Austin Area Plumbing & Drain Cleaning LLC ✓ TSBPE Verified
Master Plumber · M39197 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 736-7113 View profile
AU
Austin Best Quality Ent Inc. DBA Quality Cooling & Heating ✓ TSBPE Verified
Master Plumber · M9831 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 649-1533 View profile
AU
Austins Best Plumbing LLC Unverified · directory-sourced
Master Plumber · M36077 · expired — checked Sep 7, 2026

Filed in Williamson County

(512) 577-7861 View profile
BA
Basey Plumbing LLC ✓ TSBPE Verified
Master Plumber · M36535 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 964-5484 View profile
BI
Big Black Backflow LLC ✓ TSBPE Verified
Master Plumber · M42049 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 228-4224 View profile
BI
Billy Borg Plumbing Inc. ✓ TSBPE Verified
Master Plumber · M12492 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 913-7187 View profile
BL
Blue Star Service Pros LLC ✓ TSBPE Verified
Master Plumber · M45291 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 607-5050 View profile
BL
Bluebonnet Backflow ✓ TSBPE Verified
Master Plumber · M43818 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 835-2211 View profile
BO
Boone Plumbing Services Unverified · directory-sourced
Master Plumber · M38985 · expired — checked Sep 7, 2026

Filed in Williamson County

(512) 577-6833 View profile
BR
Break Ground Plumbing LLC ✓ TSBPE Verified
Master Plumber · M41821 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 574-6210 View profile
BR
Bronco Plumbing & Drain DBA Bronco Plumbing & Drain ✓ TSBPE Verified
Master Plumber · M37137 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 587-9989 View profile
BR
Bruce Bunge Plumbing Inc. ✓ TSBPE Verified
Master Plumber · M36944 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 431-8553 View profile
BU
Burls Plumbing LLC ✓ TSBPE Verified
Master Plumber · M40814 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 992-8278 View profile
C
C C Carlton Industries Ltd. Unverified · directory-sourced
Master Plumber · M41505 · expired — checked Sep 7, 2026

Filed in Williamson County

(512) 476-4282 View profile
CA
Capital City Plumbing & Drain ✓ TSBPE Verified
Master Plumber · M39570 · Active — checked Sep 7, 2026

Filed in Williamson County

(951) 315-4525 View profile
CA
Capital Industries, LLC ✓ TSBPE Verified
Master Plumber · M43219 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 431-0409 View profile
CH
Christianson Air Conditioning & Plumbing ✓ TSBPE Verified
Master Plumber · M18632 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 246-5200 View profile
CH
Christopher Ranallo DBA Ranallo Plumbing LLC ✓ TSBPE Verified
Master Plumber · M17490 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 331-6218 View profile
CL
Classic Plumbing ✓ TSBPE Verified
Master Plumber · M20374 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 663-1244 View profile
CL
Claude Edwards DBA C & K Plumbing LLC ✓ TSBPE Verified
Master Plumber · M39888 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 963-2004 View profile
CL
Clear Water Plumbing LLC ✓ TSBPE Verified
Master Plumber · M40555 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 966-9491 View profile
CO
Colony Services, LLC ✓ TSBPE Verified
Master Plumber · M42877 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 993-1456 View profile
CO
Coppera, LLC ✓ TSBPE Verified
Master Plumber · M37023 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 365-8866 View profile
CR
Crump & Company LLC ✓ TSBPE Verified
Master Plumber · M40904 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 905-7927 View profile
CR
Crusader Services ✓ TSBPE Verified
Master Plumber · M47301 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 364-2780 View profile
CR
Crystal Plumbing Inc. ✓ TSBPE Verified
Master Plumber · M36349 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 970-9033 View profile
CV
CVC Contracting LLC ✓ TSBPE Verified
Master Plumber · M40771 · Active — checked Sep 7, 2026

Filed in Williamson County

(979) 229-4257 View profile
D3
D3 Mechanical LLC ✓ TSBPE Verified
Master Plumber · M36144 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 806-7500 View profile
DA
David Plumbing Company ✓ TSBPE Verified
Master Plumber · M15164 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 863-5450 View profile
DE
Devildog Plumbing ✓ TSBPE Verified
Master Plumber · M37458 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 948-2866 View profile
DI
Diamond S Industries Inc. Unverified · directory-sourced
Master Plumber · M18508 · expired — checked Sep 7, 2026

Filed in Williamson County

(512) 921-3032 View profile
DI
Dino Plumbing LLC Unverified · directory-sourced
Master Plumber · M41349 · expired — checked Sep 7, 2026

Filed in Williamson County

(512) 508-3045 View profile
DL
DLR Plumbing LLC ✓ TSBPE Verified
Master Plumber · M45888 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 508-6719 View profile
DM
Dmo Mechanical LLC ✓ TSBPE Verified
Master Plumber · M46629 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 608-7533 View profile
DO
Doctor Plumbing Service ✓ TSBPE Verified
Master Plumber · M38792 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 743-8960 View profile
DU
Dust & Dirt LLC DBA Civcon ✓ TSBPE Verified
Master Plumber · M38581 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 845-3596 View profile
E&
E&G Waterservices LLC ✓ TSBPE Verified
Master Plumber · M46519 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 966-2529 View profile
EA
Eagle Eye Plumbing Unverified · directory-sourced
Master Plumber · M46068 · expired — checked Sep 7, 2026

Filed in Williamson County

(512) 842-6299 View profile
EA
Earth Ergonomics Inc. ✓ TSBPE Verified
Master Plumber · M40373 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 289-8473 View profile
ER
Eric Stolle Plumbing LLC ✓ TSBPE Verified
Master Plumber · M39519 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 689-5197 View profile
EV
Everest Plumbing,llc ✓ TSBPE Verified
Master Plumber · M40913 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 753-9457 View profile
EX
Excalibur Plumbing Inc. ✓ TSBPE Verified
Master Plumber · M38879 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 259-7222 View profile
EX
Extreme Hydro-Jetting & Pipe Inspection LLC ✓ TSBPE Verified
Master Plumber · M40298 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 574-5345 View profile
FA
Fain Sewer-N-Drain ✓ TSBPE Verified
Master Plumber · M20115 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 868-6561 View profile
FI
Fisher Critical Services, LLC ✓ TSBPE Verified
Master Plumber · M44226 · Active — checked Sep 7, 2026

Filed in Williamson County

(737) 354-3822 View profile
FI
Five Star Civil Construction ✓ TSBPE Verified
Master Plumber · M46437 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 718-2229 View profile
FL
Flyboy Plumbing ✓ TSBPE Verified
Master Plumber · M43210 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 994-5670 View profile
FR
Freddy’s Plumbing Company LLC ✓ TSBPE Verified
Master Plumber · M44469 · Active — checked Sep 7, 2026

Filed in Williamson County

(830) 992-1243 View profile
G3
G3 Plumbing Unverified · directory-sourced
Master Plumber · M39281 · expired — checked Sep 7, 2026

Filed in Williamson County

(512) 630-7548 View profile
GA
Gary Werner Company ✓ TSBPE Verified
Master Plumber · M17772 · Active — checked Sep 7, 2026

Filed in Williamson County

(737) 226-7953 View profile
GL
Global Tech Connections ✓ TSBPE Verified
Master Plumber · M39044 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 259-8476 View profile
GL
Glory Plumbing TX ✓ TSBPE Verified
Master Plumber · M41720 · Active — checked Sep 7, 2026

Filed in Williamson County

(787) 900-1635 View profile
GO
Gold Star Plumbing ✓ TSBPE Verified
Master Plumber · M45511 · Active — checked Sep 7, 2026

Filed in Williamson County

(737) 375-2132 View profile
GO
Gonzalo Regino ✓ TSBPE Verified
Master Plumber · M39877 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 930-2138 View profile
GO
Good Clean Plumbing LLC ✓ TSBPE Verified
Master Plumber · M40747 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 267-3712 View profile
GR
Granite Hills Plumbing ✓ TSBPE Verified
Master Plumber · M13310 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 701-2335 View profile
GR
Greengo Plumbing Services LLC ✓ TSBPE Verified
Master Plumber · M40818 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 784-2389 View profile
GT
GTX Plumbing ✓ TSBPE Verified
Master Plumber · M41605 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 688-7442 View profile
GU
Guyton Services ✓ TSBPE Verified
Master Plumber · M45634 · Active — checked Sep 7, 2026

Filed in Williamson County

(737) 781-4805 View profile
H2
H2 Plumbing LLC Unverified · directory-sourced
Master Plumber · M36418 · expired — checked Sep 7, 2026

Filed in Williamson County

(512) 350-8087 View profile
H2
H2O & Backflow Test, LLC ✓ TSBPE Verified
Master Plumber · M43704 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 755-7318 View profile
HA
Hambone Plumbing LLC ✓ TSBPE Verified
Master Plumber · M12470 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 388-7030 View profile
HA
Hanyangeng USA Inc. ✓ TSBPE Verified
Master Plumber · M36226 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 844-2615 View profile
HA
Hattery Inc. ✓ TSBPE Verified
Master Plumber · M18711 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 657-0059 View profile
HO
Honest Plumbing & Air Unverified · directory-sourced
Master Plumber · M45672 · expired — checked Sep 7, 2026

Filed in Williamson County

(737) 241-9293 View profile
HS
Hsgatx,llc. DBA Homeworx Home Services ✓ TSBPE Verified
Master Plumber · M43393 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 596-1050 View profile
IN
Infinity Plumbing Solutions LLC ✓ TSBPE Verified
Master Plumber · M42984 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 791-8988 View profile
IR
Ironman Plumbing ✓ TSBPE Verified
Master Plumber · M43877 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 804-9866 View profile
J
J Lemons LLC DBA Plumb Intended ✓ TSBPE Verified
Master Plumber · M40831 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 630-9968 View profile
J
J Miller Utilities Inc. DBA JM Utilities Inc. ✓ TSBPE Verified
Master Plumber · M8022 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 331-1217 View profile
JA
Jacki’s Plumbing ✓ TSBPE Verified
Master Plumber · M45733 · Active — checked Sep 7, 2026

Filed in Williamson County

(737) 245-2220 View profile
JA
Jarrod’s Plumbing LLC ✓ TSBPE Verified
Master Plumber · M43779 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 924-7580 View profile
JI
Jim Foelker Plumbing ✓ TSBPE Verified
Master Plumber · M16026 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 789-0657 View profile
JL
JL Phelps & Associates Plumbing and Mechanical LLC ✓ TSBPE Verified
Master Plumber · M40183 · Active — checked Sep 7, 2026

Filed in Williamson County

(512) 352-0220 View profile

iOrganic order is verified-first then A–Z and is never sold; featured slots, when they exist, are labeled. Methodology

Get quotes from Williamson County plumbers.

Tell us the job once and up to 3 verified Williamson County plumbers get it. Free, no spam, delete anytime.

Get free plumber quotes
Permits

Plumbing permits in Williamson County: who issues them.

City of Round Rock Building Inspection Division

City of Round Rock, plus the Chandler Creek and Vista Oaks MUDs the Division names. Williamson County does not issue city plumbing permits.

301 W Bagdad Ave, Suite 100, Round Rock 78664
512-218-5550
BuildingPermits@roundrocktexas.gov
Official plumbing permit information ↗

Plumbing permit fees, forms and process

Most repairs and replacements need a permit from the city with jurisdiction, and most cities require a licensed plumber to pull it; some let an owner-occupant permit work on their own homestead. Outside city limits there is usually no permit to pull, and the state-adopted code still applies.

Permit guides here are written per city, because that is who issues them. Cities in Williamson County we cover so far:

Round Rock plumbing permit guide

All Texas permit guides

Plumbers in nearby counties

Bastrop County Guadalupe County
Get free quotesPermits
Free plumber quotes

Get free quotes from verified Williamson County plumbers.

Tell us the job once — we send it to up to 3 license-verified plumbers. Free, no spam, delete your request anytime.

Plumbing Quote Request

Secure form. Sent over an encrypted connection to up to 3 license-verified plumbers. Never sold to data brokers, and you can have your request deleted anytime.