Plumbing done right, the first time.
Thornmill Plumbing serves Round Rock and the northern Austin suburbs with licensed, upfront-priced plumbing — drains, water heaters, leaks and repipes. You get a text when we are on the way, a price before we start, and a dry floor when we leave.
Homes across Round Rock have their own needs when it comes to plumbing — the local climate, how homes here are built, and everyday wear all play a part. Thornmill Plumbing knows Round Rock and handles every plumbing job the right way for this area.
Learn about our plumbing services →Tap any service to open its page. Everything Round Rock homeowners need, done right.
From slow kitchen sinks to main-line backups — cleared, camera-checked, and left running like new.
View page →Repair or replace, tank or tankless, sized for your home and installed to code the same day.
View page →Electronic detection that finds the leak before the jackhammer comes anywhere near your slab.
View page →Whole-home repipes in PEX with drywall patched — most homes done in two to three days.
View page →Faucets, toilets, disposals and shower valves installed clean, caulked, and leak-tested.
View page →Thornmill Plumbing is a family-run shop out of Round Rock. We built the company on two habits: quoting the job before the wrench comes out, and treating slab leaks with the urgency they deserve in this soil. Our techs are licensed, background-checked, and drive fully stocked trucks so most jobs finish in one visit.
No trip fee inside our service area — you approve a written price before any work begins.
Possibly — shut off fixtures, watch the meter, and call us; the detection visit is cheaper than a month of that bill.