

Leak Detection & Repair Services
Plumbing Leak Detection and Repair in Sacramento

A hidden plumbing leak can waste thousands of gallons of water before you see where it is coming from. Household leaks can account for nearly 10,000 gallons of wasted water each year, while hidden water can damage walls, floors, and foundations.
Gilmore provides leak detection and repair throughout the Sacramento Valley. Our plumbing inspections trace signs of hidden water back to the source so we can repair the problem before the damage spreads.
Most Common Causes of Leaks
There are many causes of leaks unseen and through plumbing fixtures. Where they are is a key step in how to repair them to prevent damage.
- Broken seals: Worn seals around plumbing connections and appliances allow water to escape.
- Clogged drains: Severe blockages can increase pressure and expose weak connections.
- Rust and corrosion: Older metal pipes can develop pinhole leaks or weak sections as they corrode.
- Tree roots: Sacramento's mature trees send roots toward moisture. Roots can enter cracks or damaged joints in underground lines, especially around older piping in neighborhoods such as Land Park and East Sacramento.
- Extreme temperatures: Temperature changes cause pipes and fittings to expand and contract.
- Added pressure: Excess water pressure stresses pipes, valves, seals, and connections.
- Expansive clay soil: Sacramento Valley clay swells when wet and shrinks when dry, placing repeated pressure on underground pipes, joints, and foundations.
Why Sacramento Valley Homes Are Especially Leak-Prone
Sacramento's dry summers and wet winters create repeated movement in the soil beneath your home. Expansive clay shrinks during dry weather and swells when winter rain returns. In areas such as Natomas, where expansive soils are widespread, this movement puts stress on underground plumbing and pipes beneath concrete slabs.
Older homes face another concern. Galvanized steel found in some older Sacramento neighborhoods can corrode internally for years before a pinhole leak becomes visible.
Newer homes are not immune. Elk Grove, Roseville, Rocklin, and Folsom commonly have newer copper or PEX plumbing, but those pipes still sit on moving soil. In El Dorado Hills, Auburn, Cameron Park, and Placerville, larger temperature swings put additional stress on pipes and fittings.
How Do Plumbers Detect Leaks?
A dripping faucet, leaking toilet, or water around your water heater gives you a visible place to start. Hidden leaks require a closer inspection.
Our plumbers check fixtures, exposed pipes, water connections, and other likely sources. Higher water use, damp areas, stains, musty odors, or the sound of running water help narrow down the location.
For underground drain and sewer problems, camera sewer inspections show cracks, roots, blockages, and damaged sections inside the line.
Leak Repair Methods We Use
The plumbing leak repair depends on the location and cause of the leak. A comprehensive inspection is the first step.
- Pipe patching: Small, accessible damaged sections may be repaired without replacing a long section of pipe.
- Sealants and epoxy: Certain small leaks can be sealed when the pipe and location support the repair.
- Pipe replacement: Badly corroded, cracked, or broken sections need replacement. Broken pipe repair removes the failed section and restores the line.
- Joint repairs: Failed fittings and connections can be replaced or resealed.
- Pipe relining: Some damaged lines can be lined from inside without extensive excavation.
- Gas leaks: Suspected gas leaks require immediate safety precautions and specialized testing.
If leaks keep appearing throughout aging supply lines, whole-home repiping replaces deteriorated piping instead of repairing one failed section after another.
If the damage is in your main sewer line, sewer line repair addresses cracked, collapsed, or root-damaged sections.
Schedule Your Leak Repair or Detection Today
Higher water bills, damp drywall, stains, musty odors, or running water sounds when your fixtures are off can point to a hidden leak. Gilmore's skilled plumbers locate the source and repair leaks throughout Sacramento and the surrounding Sacramento Valley.
When you book with Gilmore, you're receiving our workmanship and property protection guarantees so you can rest assured the job will be done well and your home respected during the process. For larger projects, we offer various financing options. Schedule service online or by calling us when you notice leaking or suspect water is escaping inside your home.
Frequently Asked Questions
Watch for an unexplained increase in your water bill, damp or discolored walls, musty odors, or running water sounds when your fixtures are off. These signs can point to water leaking behind a wall, beneath a floor, or underground.
Cost depends on the leak location, accessibility, and required repair. Gilmore identifies the source before determining the work needed.
Coverage depends on your policy and what caused the leak. Contact your insurance provider to confirm what water damage and plumbing repairs are covered.
A slab leak is a leaking water line beneath your concrete foundation. Sacramento Valley's expansive clay shrinks and swells between dry summers and wet winters, placing stress on underground pipes and joints. The repair depends on the location and condition of the damaged pipe.
Response time depends on current scheduling and the urgency of the leak. Schedule online as soon as you notice active leaking or signs of hidden water damage.

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