What follows is what San Diego County plumbers publish for finding and repairing hidden water leaks, set next to the city's own water rates, its leak credit rules and the permit fees Development Services charges. It is market context for reading a bid, not a quote.
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Six boxes, about thirty seconds. You pick when to be called back, and that is when the phone rings.
Or call (619) 603-0192Public Utilities considers a credit only for a concealed leak in a non-irrigation pipe. Irrigation, pool and fixture leaks are excluded, the request has to arrive within 120 days of the first high bill, and review takes six to ten weeks.
Effective January 2026 a single family account pays a $35.53 monthly base fee on a three quarter inch meter, then $8.51 for the first 10 units, $9.50 through 22, and $11.89 above that.
Charged per dwelling unit, with $87.68 for each additional unit. Private water or sewer utility work is $264.25 for the first 100 linear feet plus $52.39 for each additional 10 feet, and a $12.16 mapping fee.
Every range below is what companies working in San Diego publish for that job, gathered from the numbered price pages under the table. It spans what several of them show, so the figures move with the specifics of the property and with who does the work. Nothing here is a quote, and no business has set a price on this page. A real number comes from whoever looks at the job.
| The job | Range seen | Billed as | What moves it |
|---|---|---|---|
| Concealed leak located in a slab, wall or ceiling | $249–$495123 | flat | Best San Diego posts $249 and $495 and credits it against a repair. West Plumbing's $129 call plus $238 an hour in slab totals $367 for one hour. |
| Leak in a wall or ceiling opened and repaired | $350–$65034 | flat | Almco posts $350 to $650. Tri Express prices pipe patching from $400 and a hot water line repair from $600, both before any drywall goes back. |
| Slab leak repaired by cutting the concrete | $900–$2,800345 | flat | San Diego Plumbing and Pipelining posts $900 to $1,200 average for jackhammer access, Almco $1,600 to $2,800, Tri Express from $1,500. |
| Single line rerouted instead of reopening the slab | $1,500–$4,20045 | flat | San Diego Plumbing and Pipelining posts $1,500 to $1,700 average, texture and paint excluded. Almco posts $1,800 to $4,200 for a water line reroute. |
| Failing line lined from the inside rather than replaced | $3,750–$3,95056 | flat | San Diego Plumbing and Pipelining posts $3,750 average for epoxy lining and $3,950 for sleeving. Clearwater prices lining at $150 to $250 per linear foot. |
| Whole house repipe when the system is failing | $4,500–$20,0004678 | flat | Repipe Home Hero and Clearwater both post $4,500 to $15,000, Clearwater to $20,000 and up on large homes, Almco $8,000 to $20,000, Tri Express from $6,500. |
Prices each of these companies publishes on its own site, read on the date shown in each listing. A published price can change without notice, so treat a number here as what was posted rather than what you will be told today.
There are two pricing models in this county and they are worth telling apart before anyone visits. Flat rate detection quotes a single figure for the visit, commonly published between $249 and $495, and several shops credit that figure against the repair when they do the work. Hourly detection quotes the visit and then charges for time by where the leak is. One San Diego company publishes a $129 service call plus $199 an hour in a wall or ceiling, $218 in a basement and $238 in ground or concrete slab. A one hour slab locate therefore totals $367 with nothing credited back. Neither model is wrong. They are different bets about how long a particular leak takes to find, and the estimate should say which bet you are taking.
The City of San Diego leak adjustment policy is narrower than most homeowners assume, and it runs on a deadline. A credit is considered only for a concealed leak in a non-irrigation pipe: irrigation lines, pools and running fixtures are excluded outright. The request has to reach Public Utilities within 120 days of the first high bill, or it is not considered at all. It also has to be supported by a repair invoice showing when the leak was discovered and when it was fixed. The city's own instructions put the review at eight to ten weeks.
That makes the plumbing paperwork part of the financial recovery. Water here is billed at $8.51, $9.50 and $11.89 per hundred cubic feet as consumption climbs, over a $35.53 monthly base fee on a typical three quarter inch meter, so a hidden leak pushes an ordinary household into the top tier quickly. Keep the invoice, keep the dates, and ask the plumber to write both on it.
Postwar tract housing across this county ran copper in and under the slab. From the outside, expansive soils and a marine chloride load work on that copper; from the inside, hot recirculating water and high static pressure do the rest. Pressure is the cheap variable: the city notes that service pressure is regulated at the house, and a failed regulator quietly shortens the life of every fitting and flex line behind it. Sewer laterals are the other local surprise. The private lateral belongs to the property owner, so a camera inspection that finds a break in the yard is the homeowner's repair, not the city's.
Development Services prices a residential water or waste pipe repair or replacement at $264.25 per dwelling unit and $87.68 for each additional unit. Private water or sewer utility work is $264.25 for the first 100 linear feet plus $52.39 for each additional 10 feet, with a small mapping fee on top. On a repipe, one county contractor publishes permit costs of $200 to $1,500 depending on scope and wall repairs of $500 to $2,000 for patching and paint. Those are the lines most often missing from the lowest bid, and their absence is usually what closes the gap between two quotes that looked far apart.
The move to watch is a whole house repipe proposed from a single located leak. Before agreeing, ask for camera or borescope evidence of wall thinning, or a record of prior failures in the same system. Lining and sleeving are real published alternatives at roughly $3,750 and $3,950 for a line, or $150 to $250 a foot, and they suit some pipe and not other pipe. A company that sells only one method will find that method necessary, so the useful question on any slab leak is what the spot repair, the reroute and the repipe each cost on this house, in writing, side by side.
Slab thickness and rebar. Tile or hardwood that cannot be matched once it is cut. Texture and paint. The permit and the mapping fee. Access under a raised foundation in an older neighborhood. And the possibility that the leak located today is the second failure in a line that is corroding along its whole length, which is the difference between the bottom of a band and the top of it.
Schedule a property test before a pressure problem becomes fixture damage, a wet area spreads, or pool loss turns into deck work. The technician tests the system involved, explains what the evidence supports, and gives the repair scope before surfaces are opened.
Call (619) 603-0192Upfront pricing · No obligation · Local San Diego County technician