Plumbing Repair & Leak Detection in Fairfax, VA
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Repairs & Leaks · Fairfax, VA

Plumbing Repair & Leak Detection in Fairfax, VA

Quick answer

LeMaster Plumber tracks down and repairs leaks throughout Fairfax — dripping faucets, running toilets, failing shutoff valves, and the hidden leaks behind a sudden jump in your water bill. In older neighborhoods like Mantua and Kings Park West, aging supply lines and original fixtures are common culprits, and we find the source before we fix it. Call (703) 832-9090 for leak detection and repair in Fairfax.

Call (703) 832-9090

Fairfax’s mix of mid-century homes and newer townhomes means leaks show up in different places — brittle original supply lines and worn valves in established houses, builder-grade faucet and toilet parts in newer ones. A quiet running toilet or a slab leak under a Fairfax Circle home can waste hundreds of gallons before you notice. We locate the leak precisely, repair or replace only what’s failing, and quote it upfront.

What our repairs & leaks service includes in Fairfax

Faucet & fixture repair

Dripping faucets, worn cartridges, leaking showerheads, and failing valves rebuilt or replaced for good.

Toilet repair

Running, rocking, or leaking toilets — flappers, fill valves, wax rings, and supply lines fixed fast.

Pipe leak repair

Leaking supply lines, joints, and fittings, from copper to PEX to galvanized, repaired or re-piped as needed.

Hidden leak detection

We trace leaks inside walls, ceilings, and under slabs without tearing your home apart guessing.

Shutoff valve replacement

Old or seized fixture and main shutoff valves replaced so you can control your water again.

Outdoor & hose bib leaks

Leaking spigots, hose bibs, and exterior lines repaired and freeze-protected.

How we handle repairs & leaks in Fairfax

  1. 1

    Locate the leak

    We pinpoint the exact source — visible or hidden — so the repair targets the real problem, not a symptom.

  2. 2

    Quote upfront

    You get a clear price before we start, plus an honest read on whether it is a simple fix or part of a bigger issue.

  3. 3

    Make the repair

    We repair or replace the failed part with quality materials built to last, not a temporary patch.

  4. 4

    Test & verify

    We pressure-test and check the area to confirm the leak is fully resolved before we call it done.

Honest, upfront pricing

Leak repairs are quoted upfront before any work begins. Many small repairs are a flat, predictable price; hidden-leak detection is quoted after we assess the situation. You always approve the price first.

Need repairs & leaks in Fairfax? Pick your own appointment time online.

Or call (703) 832-9090 — we answer 24/7.

Why LeMaster Plumber

Neighbors you can count on

Upfront, honest pricing

You approve the price before we start — no surprises and no pressure. You’ll always know the cost before any work begins.

Licensed & insured plumbers

Every job is backed by proper training, the right permits, and a workmanship guarantee.

Respect for your home

We show up on time, protect your space, and leave the job cleaner than we found it.

More plumbing help in Fairfax

Repairs & Leaks in Fairfax — FAQs

My Fairfax water bill spiked — is it a hidden leak?

Often, yes. A sudden jump usually points to a running toilet, a dripping fixture, or a hidden supply-line or slab leak. We check the obvious spots first, then use leak detection to find anything concealed behind walls or under the slab.

Can you replace old shutoff valves in my Fairfax home?

Yes. Many established Fairfax homes still have original angle stops and main shutoffs that seize or weep. We replace them with quarter-turn valves so you can actually shut off water quickly when you need to.

Do you fix outdoor hose bibs in Fairfax?

Yes — we repair and replace leaking or frost-damaged hose bibs, and can install frost-free sillcocks so an outdoor faucet doesn’t burst during a cold Fairfax winter.

Get In Touch

Let's fix it together

Pick your own appointment time online in about a minute — or call for emergencies, or send a few details with the form and we'll get right back to you.

📞 Call (703) 832-9090