Home / Services
Pennsylvania leak detection services, 24/7
Leak Detection Services in Pennsylvania
Twelve kinds of leak detection, one goal: find the exact spot before anyone breaks concrete, cuts drywall or digs a trench. A local technician uses acoustic, pressure, tracer gas, thermal and camera tools, then hands you a written report.
- Slab, service line, wall, pool, gas, sewer and more
- Nondestructive methods first, so the repair stays small
- Answered 24 hours a day, 7 days a week
Calls answered day and night. Emergency? Shut off your main valve first, then call.
Quick answer
Which leak detection service do I need?
Start with where the water shows up. A spinning meter with nothing wet points to the service line or a slab leak. A stain on a ceiling or wall points to hidden leak detection. A pool that loses more than evaporation needs pool testing. If you are not sure, a high water bill investigation narrows it down first.
All Leak Detection Services
Each service below has its own page explaining the methods, what you get in the report, and Pennsylvania specific notes on utilities and permits.
Slab Leak Detection
Leaks under basement floors and slab additions, pinpointed through the concrete.
Water Service Line Leak Detection
The line from the curb stop or main to your house, traced and pinpointed.
Hidden Wall and Ceiling Leak Detection
Leaks behind plaster, drywall and finished basements, found without demolition.
Frozen and Burst Pipe Leak Detection
Every freeze crack found after a cold snap, including the ones not dripping yet.
Pool and Hot Tub Leak Detection
Lines, skimmers, returns, lights and shells tested so every leak point is found.
Gas Line Leak Detection
Customer-side gas leaks and failed pressure tests located for repair.
Sewer Lateral and Drain Leak Detection
Camera, sonde, smoke and flood testing for cracked laterals and drains.
Shower Pan, Tub and Toilet Leak Detection
Flood and dye testing so the right fixture gets fixed.
Irrigation and Outdoor Line Leak Detection
Zone by zone testing of sprinklers, yard hydrants and outdoor lines.
High Water Bill Leak Investigation
Meter, pressure and fixture testing plus a report for your utility.
Commercial and Multifamily Leak Detection
Risers, shared lines and tenant units traced to the source.
24/7 Emergency Leak Detection
Water through a ceiling or a meter spinning hard, answered any hour.
How to Choose the Right Service
Match the service to the symptom, not the other way around. The clue that matters most is where the water is going, or where it is missing from.
| What you notice | Start with | Why |
|---|---|---|
| Water bill jumped, nothing looks wet | High water bill investigation | Meter and fixture tests split inside leaks from outside ones |
| Wet or sunken strip of lawn, low pressure | Water service line detection | The curb stop to house line is usually the owner’s pipe |
| Warm floor spot, sound of running water | Slab leak detection | Pinpoints the leak so only a small section of floor is opened |
| Stain, bubbling paint, musty smell | Hidden wall and ceiling detection | Thermal and moisture mapping before any drywall is cut |
| Pipes froze, then thawed | Frozen and burst pipe detection | Finds every crack, including ones not dripping yet |
| Pool drops more than evaporation | Pool and hot tub detection | Tests lines, skimmers, returns, lights and the shell |
| Gas smell or failed pressure test | Gas line detection | Locates customer side leaks after the utility has made it safe |
| Sewage smell, slow drains, wet basement | Sewer lateral detection | Camera, sonde and smoke testing of drains and laterals |
Smell gas? Do not use this page. Leave the building, then call 911 or your gas utility from outside. Our gas line service is for locating leaks after the utility has made the situation safe.
Not sure who owns the leaking pipe? Pennsylvania American Water, for example, says the property owner owns the line from the curb stop to the building. Read our service line ownership guide before you call the utility.
How Leak Detection Works
The technician isolates the system, confirms there is a leak, then narrows it down with listening and imaging tools until the spot can be marked on the floor, wall or ground. Digging comes last, and only at the mark.
1
Confirm and isolate
Read the meter, shut fixtures, and pressure test sections to prove a leak exists and which line it is on.
2
Narrow the area
Acoustic ground microphones, tracer gas, thermal imaging and moisture meters shrink the search to a few feet.
3
Pinpoint and mark
The leak spot is marked on the surface, with depth where the tools allow.
4
Written report
You get findings, photos and the location, ready for your plumber, insurer or utility.
Before any excavation, Pennsylvania law requires a call to PA811 at least 3 business days ahead, per the PA PUC One Call page. A pinpointed leak keeps that dig to one small hole.
The EPA’s WaterSense program estimates household leaks can waste nearly 10,000 gallons a year, and that 10 percent of homes have leaks wasting 90 gallons or more a day. Those are the leaks a detection visit is built to find.
Costs vary by method and access. Our Pennsylvania leak detection cost guide walks through national ranges and what moves the price.
Checking Licenses and Registration in Pennsylvania
Pennsylvania has no statewide plumbing license, so ask about local licensing and the contractor’s PA Home Improvement Contractor number.
The state Department of Labor and Industry confirms contractor licensing is handled locally. Philadelphia and Allegheny County license plumbers themselves. Contractors doing $5,000 or more of home improvement work a year must register with the Attorney General and show the HIC number on contracts.
Pennsylvania Leak Detection is a referral service. Calls connect you with an independent local leak detection professional, and price is quoted on the phone.
Frequently Asked Questions
Which service should I book if I am not sure where the leak is?
Start with a high water bill leak investigation. Meter and fixture tests show whether the leak is inside the house, under the floor or on the service line, and the right follow up service is clear from there.
Can a leak be found without breaking walls or floors?
Usually. Acoustic, tracer gas, pressure and thermal tools narrow the leak so only a small opening is needed for the repair.
Does the technician also fix the leak?
Detection and repair can be separate. You get a written report with the location marked so any plumber can make a targeted repair.
Is the report useful for a utility leak credit?
It can be. Some utilities, such as Pittsburgh Water, ask for a plumber’s description of the leak and repair before reducing a bill.
Do you handle emergencies at night?
Yes. Calls are answered 24 hours a day, 7 days a week. Shut off your main valve first if water is pouring in.
What should I do if I smell gas?
Leave the building, then call 911 or your gas utility from outside. Gas leak detection service is for locating customer side leaks after the utility has made it safe.
Do I need to call PA811 before a leak repair?
Anyone digging must notify PA811 at least 3 business days before excavating. Dial 811 or 800-242-1776.
How much does leak detection cost?
National guides put leak detection alone at roughly $150 to $600, depending on method and access. The local professional quotes your price on the phone.
Hearing Water You Cannot See? Call Now.
A rising water bill, a wet basement wall or a soggy strip of lawn will not fix itself. Call any hour and we will help you find the leak, prove it and keep the repair as small as possible.
Answered 24 hours a day, 7 days a week.
Sources
- EPA WaterSense: Fix a Leak Week
- PA PUC: PA One Call
- Pennsylvania American Water lead service FAQs
- PA Department of Labor and Industry: contractor licensing
- PA Attorney General HIC application instructions
- Pittsburgh Water: Leak credit
- This Old House: Slab leak repair cost
Pennsylvania Leak Detection is a leak detection referral service. Calls connect you with an independent local leak detection professional. Figures and utility policies were checked in October 2026 and can change; confirm with your utility.