Slab Leak Repair
Aging copper under postwar slabs develops pinholes, and the first sign is often a warm spot on the floor or a water bill that jumps without explanation.
See the detailsPlumbing service for Covina homes and shops (91722)
Covina homes run from early bungalows near the old downtown to 1950s and 1960s ranch tracts on slabs. We handle the leaks, clogs and worn water heaters that come with both, any hour you call.
Plumbing in Covina, in short
Most Covina calls we take involve aging galvanized or copper supply lines, slab leaks under postwar tract houses, scale-heavy water heaters and clay sewer laterals invaded by roots. We arrive with a camera, leak locating gear and common heater parts, find the cause first, explain the options with typical price ranges, and pull permits through the City of Covina when the job needs one.
How we cover Covina
Covina sits in the east San Gabriel Valley between the 10 and the 210, with West Covina to the south and Glendora and Azusa to the north. The older blocks around Citrus Avenue and the downtown Metrolink station hold some of the city's earliest houses, many on raised foundations with crawl spaces we can get under. Farther out, the streets fill with single-story ranch homes poured on slabs after the citrus groves gave way.
That split shapes the work. A crawl-space house lets us see and replace pipe directly, while a slab house hides its supply lines in concrete, so a leak there calls for electronic leak locating before anyone opens a floor. Water here comes from the city's water utility or a neighboring water company, depending on the street, and much of it runs hard.
Homes and pipes
Covina homes and the pipes inside them
- Early downtown bungalowsHouses near the old downtown often sit on raised foundations with galvanized supply pipe and cast iron drains. Many have had partial updates, so we often find copper spliced into steel.
- Postwar ranch tracts on slabsThe 1950s and 1960s tracts were mostly poured on slabs with copper supply lines run under or through the concrete. Pinhole leaks and warm floor spots show up as that copper ages.
- Clay sewer lateralsPre-1970s houses usually drain to the street through clay pipe. Joints open over time, and roots from mature yard and parkway trees find their way inside.
- Garage water heatersMost tank heaters here sit in the garage or a side closet. Hard water leaves sediment in the bottom, and older installs often lack proper two-strap seismic bracing.
What people call about
The plumbing calls we get most in Covina
Whole-House Repiping
Galvanized steel in older Covina houses rusts from the inside, cutting water pressure and tinting the first draw brown. Replacing it all at once often beats chasing leak after leak.
See the detailsWater Heater Replacement
Hard water shortens tank life, and many garage heaters here are past their expected years. We replace them with correct venting, an expansion tank where needed and two straps.
See the detailsMain Line Clog Clearing
Roots in clay laterals cause slow drains that back up into the lowest tub or shower, usually after a laundry day or a full house over the holidays.
See the detailsSewer Camera Inspection
Before buying or selling an older Covina home, a camera run down the lateral shows cracks, offsets and root masses that a walkthrough cannot.
See the detailsWater Softener Installation
Scale on fixtures and inside heaters pushes many owners toward a softener or conditioner sized for the household.
See the detailsPractical notes for Covina homeowners
Find your main shutoff before you need it. On many Covina lots, the house valve sits where the supply line rises near the front hose bib, and the meter box is out by the curb. If the house valve is a stiff old gate valve, we can swap it for a quarter-turn ball valve during any visit, and our guide to the first minutes after a burst pipe walks through what to do while you wait for us.
Water heater work and repipes need permits through the City of Covina building division, and an inspector checks venting, gas connections, the relief valve line and seismic straps. We pull those permits and meet the inspector. Gas comes from SoCalGas, so any new gas line or appliance hookup also gets a pressure test before the meter is turned back on.
Hard water is the slow problem nobody notices until something fails. White crust on aerators, a rumbling tank and a tankless unit throwing error codes all point to scale. Our article on what hard water does to fixtures and heaters covers the signs, and a yearly flush of the heater does more good than most owners expect.
Questions we hear
Questions from Covina
Do older Covina homes near downtown usually need a full repipe?
Not always. If the house still has original galvanized steel, the pipe has likely narrowed with rust and a full repipe is often the better spend. If earlier owners already replaced sections with copper, we may only need to swap the remaining steel runs. We open a couple of spots, check pressure and flow at the fixtures, and tell you which approach fits the house.
Why does my Covina slab house have a warm spot on the floor?
A warm patch on tile or carpet usually means a hot water line under the slab has a pinhole leak. Close the cold supply valve on top of the water heater and see whether the warm area cools over a few hours, then call us. We pinpoint the leak with acoustic and thermal tools and compare a spot repair with rerouting the line through the attic.
How often should a Covina home with clay sewer pipe get its line cleaned?
It depends on the roots. Some houses go years without trouble, while others with a big tree near the lateral need clearing every year or two. After we clear the line, a camera look tells you how bad the roots and joints are, and whether high-pressure jetting, lining or a section replacement makes more sense than repeated cleaning.
Can you work on a tankless water heater in Covina that keeps shutting off?
Yes. In Covina the usual cause is scale buildup in the heat exchanger from hard water, which trips the unit's temperature sensors. Our tankless flushing service runs a descaling solution through the exchanger, cleans the inlet screen, checks gas pressure and venting, and reads the error history. If the unit has no isolation valves, we add them so future flushes are quick.
Next door
Nearby areas we also cover
West Covina 91790
West Covina tract homes on slabs and hillside lots in the south hills get leak tracing, repipes, sewer work and heater service from us, 24/7.
Local detailsEl Monte 91731
El Monte's older homes, back houses and small apartment lots need drain clearing, pipe repair and water heater work. We answer the phone 24/7.
Local detailsPomona 91766
Water heater, drain, sewer and repipe work for Pomona's early 1900s homes, postwar tracts and apartment buildings, with phones answered 24/7.
Local detailsArcadia 91006
Repipe, sewer, water heater and gas line work for Arcadia's postwar ranch homes and large rebuilds near the foothills, with the phone answered 24/7.
Local detailsPlumbing trouble in Covina?
One phone line, answered around the clock. Tell us the street and what you are seeing.