Ventura County · Oxnard–Thousand Oaks–Ventura metro
Plumbing Services in Thousand Oaks, CA
Need help with a slab leak, a failing water heater or a clogged drain in Thousand Oaks? Call (833) 878-1592 to describe the problem and get connected with a licensed local plumber.
Calling is free. Repairs are done by independent, licensed plumbing companies serving Thousand Oaks and Ventura County.
Plumbing help in Thousand Oaks
Plumb Right Now arranges plumbing repair, drain and sewer service, water heater work and emergency help in Thousand Oaks, CA, through independent licensed local plumbers. The calls that come up most here are slab leak repair, water heater replacement and repiping. Call (833) 878-1592 to describe the problem and get connected with a local plumber.

Most requested plumbing services in Thousand Oaks
Start with the service that matches your problem. Services marked “Common in Thousand Oaks” are the calls local housing and conditions produce most in Thousand Oaks.
- Slab Leak RepairCommon in Thousand OaksLocating and fixing leaks in pipes under the foundation.
- Water Heater ReplacementCommon in Thousand OaksReplacing a failing or leaking tank heater.
- RepipingCommon in Thousand OaksReplacing old galvanized, polybutylene or failing copper lines.
- Sewer Camera InspectionOlder homesVideo inspection to find the cause of drain and sewer problems.
- Emergency PlumberBurst pipes, major leaks, sewage backups and no-water situations.
- Drain CleaningSlow drains, recurring clogs and backed-up sinks, tubs and showers.
- Leak DetectionHidden leaks behind walls, ceilings or floors, or a bill that suddenly jumps.
- Water Heater RepairNo hot water, leaking tank, strange noises or uneven temperature.
- Sewer Line RepairRecurring backups, sewer odors, slow fixtures or a damaged sewer line.
- Burst Pipe RepairStopping and repairing burst or split pipes.
- Pipe RepairLeaks, corrosion, cracked lines and low pressure from damaged pipes.
- Toilet RepairRunning, clogged, leaking or weak-flushing toilets.
Emergency plumbing in Thousand Oaks
Call (833) 878-1592By calling, you agree to be connected with an independent plumbing contractor serving your area. Calls may be recorded for quality and training. The call and referral are free, and you are never obligated to hire.Shut off your main water supply if it's safe to do so. The emergencies below are listed most likely first for Thousand Oaks homes, based on local conditions. See also what to do in a plumbing emergency.
When to call, and what to do first
For the problems Thousand Oaks homeowners call about most, and why they come up here:
- Slab Leak Repair
Why it comes up in Thousand Oaks: Copper under 1960s–80s slabs develops pinhole leaks.
- Signs:
- Warm floor spots, sound of running water, a spinning meter
- Urgent when:
- Water surfacing through the floor or a large bill jump
- Before help arrives:
- Close the main shutoff if water is visible
- Repair or replace:
- One leak: spot repair. Repeated leaks: reroute the lines
- Water Heater Replacement
Why it comes up in Thousand Oaks: Hard imported water scales tanks.
- Signs:
- Water around the tank base, rusty hot water, a tank past 10 years
- Urgent when:
- The tank itself is leaking
- Before help arrives:
- Turn off gas or power and close the cold-water valve
- Repair or replace:
- Leaking tank: replace. Failed part on a younger tank: repair
- Repiping
Why it comes up in Thousand Oaks: Repeated leaks in aging copper make a repipe worthwhile.
- Signs:
- Rusty water, falling pressure, repeated pinhole leaks
- Urgent when:
- Leaks keep recurring in different places
- Before help arrives:
- Note where leaks and rust appear; check the pipe at the water heater
- Repair or replace:
- One leak: repair. Failing pipe throughout: repipe
Why Thousand Oaks homes need these repairs
Thousand Oaks is a mostly owner-occupied Conejo Valley suburb of 1960s–80s homes among oak-covered hills. Its city water is nearly all imported State Water Project water through Calleguas, and hard water, slab leaks and hillside pressure drive the calls.
Local conditions behind Thousand Oaks plumbing problems
- Median home built
- 1978
- Built before 1980
- 56%
- Owner-occupied
- 76%
- Water hardness
- See below
- Winter
- Hard freezes are rare
- Plumbing code
- Local
Thousand Oaks service pages
- Water Heater Replacement in Thousand Oaks, CAWater Heater Replacement in Thousand Oaks, CA: hard imported water scales tanks.
- Slab Leak Repair in Thousand Oaks, CASlab Leak Repair in Thousand Oaks, CA: copper under 1960s–80s slabs develops pinhole leaks.
- Repiping in Thousand Oaks, CARepiping in Thousand Oaks, CA: repeated leaks in aging copper make a repipe worthwhile.
- Emergency Plumbing in Thousand Oaks, CAPlumbing emergency in Thousand Oaks, CA? Who to call (City of Thousand Oaks or a plumber), what to shut off first, and the emergencies most likely in Thousand Oaks homes.
Pipe problems in Thousand Oaks's 1970s homes
The median home in Thousand Oaks was built in 1978, and 56% of homes predate 1980. Homes from that era were typically built with copper supply, early plastic (ABS or PVC) drains, some cast iron, which is where leaks, low pressure and drain problems usually start as they age.
- Galvanized steel supply (1900–1960)
- Copper supply (1950–2000)
- Polybutylene (some homes) (1978–1996)
- PEX / CPVC (1995–today)
Thousand Oaks's water supply and your plumbing
In 2023, 99% of Thousand Oaks's city water supply came directly from the State Water Project, purchased through Calleguas Municipal Water District, and 1% from Lake Bard. [1]
The State Water Project supply originates at Lake Oroville, where Sierra Nevada snowmelt and runoff is stored. [2]
Thousand Oaks plumbing questions
How do I know if my Thousand Oaks home has a slab leak?
Warm spots on the floor, the sound of running water with everything off and a meter that keeps moving are the usual signs; a plumber can pinpoint it before opening the floor. Why it comes up in Thousand Oaks: Copper under 1960s–80s slabs develops pinhole leaks.
When is a leaking water heater an emergency in Thousand Oaks?
A leak from the tank itself won't stop and usually means replacement; turn off the gas or power and the cold-water valve, then call. Why it comes up in Thousand Oaks: Hard imported water scales tanks.
Where does Thousand Oaks's water come from?
Nearly all of the city's water is State Water Project water from Northern California, bought through Calleguas.
Is my Thousand Oaks home on city water?
Not necessarily. Parts of Thousand Oaks are served by California American Water or other providers. Your bill names yours.
Why is Thousand Oaks water hard?
Imported water carries minerals, so softeners and yearly water heater flushes are common.
Do hillside homes in Newbury Park have pressure problems?
Elevation changes can push street pressure high. A regulator near 60 psi protects pipes and fixtures.
Sources (3)
- U.S. Census Bureau, ACS 2024 1-year (B25035) · checked 2026-10-01
- City of Thousand Oaks, Thousand Oaks Water Exceeds Standards · checked 2026-10-05
- City of Thousand Oaks, Thousand Oaks Water Exceeds Standards · checked 2026-10-05
