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Toilet Repair Services in Pittsburgh PA

A running toilet wastes up to 200 gallons of water every day - silently adding to your bill around the clock. Same-day repair, fixed within the hour, backed by a 1-year warranty and our 100% satisfaction guarantee.

★★★★★ Since 1983 · 1-Year Repair Warranty · 100% Satisfaction Guarantee

SAME-DAY

1-Hour Fix

Most repairs done within the hour

40 Years

Experience

A+ Rating

Better Business Bureau

1 Year

Repair Warranty

Fixed

Within the Hour

Pricing

No Hidden Charges

Is Your Toilet Wasting Water Right Now?

5 Toilet Problems We Fix — Fast

A running toilet wastes up to 200 gallons of water every day - silently adding to your water bill every hour it goes unfixed. Pittsburgh's hard water accelerates wear on flappers and fill valves faster than average. Most repairs take less than an hour.

  • E
    Running or phantom-flushing toilet
  • E
    Leak at the base
  • E
    Rocking or unstable toilet
  • E
    Slow or weak flush

Toilet running or leaking?

(412) 388-2512

toilet repair right down to the wax ring and drain pittsburgh

Every Repair. 1-Year Warranty.

Complete Toilet Repair Services in Pittsburgh

From a dripping fill valve to a full wax ring replacement — we carry every part on every truck and fix most problems in a single visit. Every repair backed by our 1-year warranty and 100% satisfaction guarantee.

Repairs we handle every day:

  • Flapper and flush valve replacement
  • Fill valve and ballcock repair or replacement
  • Wax ring and base seal replacement
  • Floor flange repair and toilet re-stabilization
  • Supply line and shut-off valve replacement
  • Toilet handle, chain, and trip lever adjustment
  • Rim jet cleaning for weak or slow flush

🔍 The McNabb 4-Step Repair Process

  1. "Full Inspection" - Tank, bowl, connections, supply line - we check everything before touching anything.
  2. "Diagnose the Problem" - 40 years of experience finds the issue fast. No guessing, no unnecessary parts.
  3. "Upfront Quote" - Exact price before we start. Job-rate pricing - no hourly clock running while we work.
  4. "Fix & Test" - Flush after flush until it's perfect. Then the 1-year warranty starts from that moment.
toilet repair_category page

Don't let that toilet waste another 200 gallons today.

Same-day service across Allegheny, Beaver, Butler, and Washington counties.

MEMBERS-ONLY PROTECTION

Lifetime Diamond Club - Extend Your Pump's Life

Most sump pumps last only 7–10 years. Diamond Club members get annual professional inspections, priority service scheduling, discounted repair costs, and free replacement parts for covered components - the only maintenance plan built specifically for Pittsburgh homeowners who don't want surprises during storm season.

Other Services Related to Frozen Pipes

Toilet Installation

When repair isn't enough - full replacement

Drain Cleaning

Clear the clogs causing repeat problems

Faucet Repair

Fix other bathroom leaks while we're there

Best Choice for pittsburgh homeowners

Ready to Stop That Running Toilet for Good?

11 Tunnel Way, McKees Rocks, PA 15136 · Mon–Fri 8:00 AM – 4:30 PM · Same-day service available

Meet the Owners of WJ McNabb Plumbing

Melisa and William (Bill) McNabb

William “Bill” McNabb is the co-owner and master plumber of W.J. McNabb Plumbing, a highly respected, family-owned plumbing company serving Pittsburgh, PA, and surrounding communities. With over 40 years of hands-on experience in the plumbing industry, Bill leads the company’s operations and is recognized for his technical expertise, integrity, and commitment to customer satisfaction. Bill holds NASSCO certifications in PACP, MACP, and LACP, ensuring his team adheres to the highest standards in pipeline and infrastructure assessment.

Melisa McNabb is the co-owner and office manager of W.J. McNabb Plumbing. She plays a pivotal role in the company’s daily operations, customer relations, and business development. Melisa is often the first point of contact for customers, ensuring that each client receives prompt, friendly, and knowledgeable service. She is instrumental in upholding the company’s mission of delivering top-rated service and maintaining a seamless experience for both customers and staff. 

Location

W.J. McNabb Plumbing operates from their McKees Rocks location, serving homeowners and businesses throughout Pittsburgh and the surrounding communities. Their expert plumbing services and customer care reach neighborhoods across Allegheny, Beaver, Butler, and Washington Counties

Why Trust WJ McNabb Plumbing

Still a True Local Family Business

You should call W.J. McNabb Plumbing because they treat every customer like a neighbor, showing up promptly, explaining repairs clearly, and always respecting your home and time. Their team is known for being personable, patient, and genuinely caring—whether you’re in a panic with a leak or just need advice, you’ll get friendly, honest service from people who want to make your day easier, not harder. Homeowners consistently praise their professionalism, kindness, and the peace of mind that comes from working with a family-owned business that values relationships as much as results.

Homeowner Help Center

How much does toilet repair cost in Pittsburgh?

Toilet repair cost depends on what is actually wrong with the toilet. A simple tank part replacement usually costs less than fixing a leak at the base, replacing a shutoff valve, repairing a flange, or clearing a deeper clog. The best way to avoid surprise costs is to have the whole toilet checked first, not just the obvious symptom. WJ McNabb Plumbing provides upfront pricing before the repair begins, so Pittsburgh homeowners know what needs to be fixed and what it will cost.

Why does my toilet keep running?

A toilet that keeps running usually has a problem inside the tank, such as a worn flapper, faulty fill valve, loose chain, high water level, or a flush valve that is not sealing correctly. It may seem like a small issue, but a running toilet can waste a lot of water and raise your bill. WJ McNabb Plumbing checks the tank parts, water level, and shutoff connection so the toilet stops running for the right reason, not just for a few hours.

Why is my toilet leaking at the base?

A toilet leaking at the base is often caused by a failed wax ring or seal, a loose toilet, a cracked flange, or movement between the toilet and the floor. This kind of leak should be taken seriously because it may involve wastewater and can damage the bathroom floor or the ceiling below. WJ McNabb Plumbing can remove and reset the toilet, inspect the flange, replace the seal, and make sure the toilet sits solidly before the job is finished.

Can a plumber fix a toilet that keeps clogging?

Yes. If a toilet clogs once, it may just be too much paper or something that should not have been flushed. If it clogs again and again, there may be a bigger issue, such as a partial blockage, poor flushing power, an older toilet, a venting problem, or a drain line issue. WJ McNabb Plumbing looks beyond the bowl to figure out why the clog keeps coming back, so you are not stuck plunging the same toilet every week.

Should I repair or replace my toilet?

Repair is usually the better choice when the toilet is in good condition and the problem is limited to a flapper, fill valve, handle, supply line, or simple leak. Replacement may make more sense if the toilet is cracked, loose, constantly clogging, wasting water, leaking from the porcelain, or needing repair after repair. WJ McNabb Plumbing helps homeowners make the practical decision based on the toilet’s condition, age, performance, and repair cost.

Why does my toilet flush weakly?

A weak flush can come from low tank water, clogged rim jets, a worn flapper, poor tank-to-bowl flow, a partial drain blockage, or an older toilet that no longer performs well. It is important not to assume the toilet itself is the only problem. WJ McNabb Plumbing checks both the toilet and the drain path so the repair addresses the real cause of the weak flush.

Is a running toilet an emergency?

A running toilet may not feel like an emergency if it is not overflowing, but it should still be repaired quickly. It can waste water around the clock, increase your utility bill, and sometimes point to worn parts that may fail completely. If the toilet will not stop filling or you cannot shut the water off at the valve, it becomes more urgent. WJ McNabb Plumbing offers same-day service for toilet problems that need fast attention in Pittsburgh homes.

What should I do if my toilet is overflowing?

If your toilet is overflowing, turn off the water at the shutoff valve behind the toilet if you can safely reach it. Do not keep flushing. Clean up standing water if possible, and avoid using chemical drain cleaners, especially if the clog is severe or the water is rising. WJ McNabb Plumbing can clear the blockage, check for deeper drain issues, and make sure the toilet is safe to use again.

Why should I call WJ McNabb Plumbing for toilet repair in Pittsburgh?

WJ McNabb Plumbing is a locally owned Pittsburgh plumbing company that repairs the full toilet system, not just the first visible problem. That means checking the tank parts, flush performance, shutoff valve, supply line, seal, flange, and drain behavior when needed. With licensed professionals, upfront pricing, same-day service, a 1-year warranty, and a 100% satisfaction guarantee, WJ McNabb Plumbing gives homeowners a toilet repair that is dependable, clean, and built around doing the job right.