DIRTFinds

Best Plumbers in Round Rock, TX

We list 54 plumbers in Round Rock, Texas. The DIRT Score runs 0–5 and is built from review volume and rating, years in business, license signals where we have them, and response time.

26 of those listings currently carry a DIRT Score. The average DIRT Score in Round Rock for this trade is 3.6 (0–5 scale); the highest is 4.9.

Before you book, ask for the license number and check it against the Texas State Board of Plumbing Examiners. Ask whether the price you're quoted is flat-rate or hourly, and whether the trip charge is on top. Get it in writing before anyone opens a wall.

Central Texas heat and growth mean busy calendars — shortlist on score and reviews, then get three written quotes before anyone starts.

Round Rock homeowners often also pull quotes from the a nearby metro metro. Confirm service area, then get scope and price in writing before you hire.

Every listing here is a real contractor page on Finds — not a paid placement.

#1 Rated Plumber in Round Rock

South Star Plumbing Inc

4.9DIRT Score

2,178 reviews

View Profile →
48contractors listed
3.5avg DIRT Score

Every listing is free. Nobody paid to be at the top — the order is the score, and the score is the data.

Last updated:

Best Plumber in Round Rock — By Category

Best Value

Best Value Plumber in Round Rock

Koala Cooling Llc

4.8★998 reviews

Top-ranked for value and fair pricing among Round Rock plumbers, with a DIRT Score of 4.8 across 998 reviews.

Fastest Response

Fastest Plumber in Round Rock

Service Wizard

4.9★2136 reviews

Top-ranked for response time among Round Rock plumbers, with a DIRT Score of 4.9 across 2136 reviews.

Best Quality

Best Quality Plumber in Round Rock

South Star Plumbing Inc

4.9★2178 reviews

Top-ranked for quality of work among Round Rock plumbers, with a DIRT Score of 4.9 across 2178 reviews.

Best Communication

Best Plumber for Communication in Round Rock

South Star Plumbing Inc

4.9★2178 reviews

Top-ranked for communication among Round Rock plumbers, with a DIRT Score of 4.9 across 2178 reviews.

Best for Homes

Best Plumber for Homes in Round Rock

South Star Plumbing Inc

4.9★2178 reviews

Top-ranked for residential work among Round Rock plumbers, with a DIRT Score of 4.9 across 2178 reviews.

Categories are derived from customer reviews across Google, Yelp & Facebook. DIRT Score is a weighted average across all platforms.

Top 10 Best Plumbers in Round Rock

Ranked by DIRT Score
🥇

South Star Plumbing Inc

2,178 reviews · (512) 634-6437

4.9/5

DIRT Score

🥈

Service Wizard

2,136 reviews · (512) 645-4238

4.9/5

DIRT Score

🥉

Koala Cooling Llc

998 reviews · (512) 759-8800

4.8/5

DIRT Score

4

Spot-On Plumbing

581 reviews · (512) 777-1599

4.8/5

DIRT Score

5

Nuflo Plumbing Llc

458 reviews · (512) 970-0626

4.8/5

DIRT Score

6

Texas Heaters

384 reviews · (512) 215-1636

4.8/5

DIRT Score

7

Ga Plumbing Llc

356 reviews · (512) 246-5200

4.8/5

DIRT Score

8

The Plumbinator Llc

145 reviews · (512) 887-9705

4.5/5

DIRT Score

9

Casa Mechanical Services Ltd

1,148 reviews

4.4/5

DIRT Score

10

L2M Group Llc Dba Allstate Plumbing Heat & Air

188 reviews · (512) 990-8600

4.3/5

DIRT Score

DIRT Score = weighted average of Google & Yelp ratings. Updated monthly. Add your business →

48 plumbers in Round Rock · showing top 24

Plumbers near Round Rock, TXOpen in Maps →

Frequently Asked Questions

Which plumber in Round Rock has the best prices?

Koala Cooling Llc ranks first for value and fair pricing among Round Rock plumbers. DIRT Score 4.8 across 998 reviews.

Which plumber in Round Rock responds the fastest?

Service Wizard ranks first for response time among Round Rock plumbers. DIRT Score 4.9 across 2136 reviews.

Which Round Rock plumber does the highest quality work?

South Star Plumbing Inc ranks first for quality of work among Round Rock plumbers. DIRT Score 4.9 across 2178 reviews.

Which plumber in Round Rock communicates best with customers?

South Star Plumbing Inc ranks first for communication among Round Rock plumbers. DIRT Score 4.9 across 2178 reviews.

Who should I hire for plumber work on a home in Round Rock?

South Star Plumbing Inc ranks first for residential work among Round Rock plumbers. DIRT Score 4.9 across 2178 reviews.

Who is the best plumber in Round Rock, Texas?

Right now the highest-scored plumber in Round Rock on this list is South Star Plumbing Inc, with a DIRT Score of 4.87 across 2178 reviews. That score measures track record, not who's best for every job. Use the list as a shortlist, then call two or three.

How much do plumbers charge per hour in Round Rock, Texas?

We don't publish an hourly rate for Round Rock plumbers until we can back it with aggregated, anonymised numbers from real jobs. Get three written quotes for the same scope, ask whether the number is flat-rate or hourly, and ask whether a trip charge sits on top.

Who is the most affordable plumber in Round Rock?

We don't rank by price. Get three quotes for the same scope in writing, and ask each one whether the trip charge is included or added. The cheapest number is often the one with the most left out of it.

How do I find a trustworthy plumber in Round Rock?

Check three things. One: the license — check the license against the Texas State Board of Plumbing Examiners register. Two: the review pattern, not just the score. Three: whether they'll put the scope in writing before they start.

How can you tell if a plumber is any good?

Read the two-star reviews, not the five-star ones. Two-star reviews tell you what happens when the job goes sideways — whether they came back, argued, or charged again to fix their own work.

How do I know if a plumber is overcharging me?

Get two more quotes for the identical scope, in writing. Wide spreads usually mean different scopes. Watch for a low quote that grows once work starts — a written scope is the only thing that stops that.

What's a normal call-out or trip charge in Round Rock?

We don't publish a made-up Round Rock trip-charge number. Ask each plumber whether the first visit is a trip charge, a diagnostic fee, or rolled into a flat job price — before they roll.

Do plumbers in Texas have to be licensed?

Yes. Plumbers in Texas are licensed by the Texas State Board of Plumbing Examiners, and the register is public.