10 Leak Detection Plumbers in Los Angeles: Fees and Methods
Guide · Published 30 October 2026
Reviewed and approved by a NearbyWise editor before publishing. Every fact is checked against the business's own website. How we check
A hidden leak under a slab, behind a wall or along a buried water line can run for a long time before it shows up as a damp patch or a high water bill. Leak detection means locating that leak before any repair begins. Plumbers often use listening equipment, pressure tests or cameras so that less of the floor or wall has to be opened. This guide lists 10 Los Angeles plumbers in our ranked order, with the services, license details, hours and booking options each business states. Prices appear only where a business publishes them, so expect to ask for a quote in most cases.
1. Pacific Plumbing Team
Pacific Plumbing Team lists drain cleaning and water leak detection. It also lists gas leak repair, fast pipe leak and burst repairs, and sewer camera inspection. The business states prices from $159. Same-day service is available, with response as fast as 1 hour depending on location. You can call or book online and pay by cash, check, Visa, MasterCard, AmEx, Venmo or Zelle.
| Starting price | From $159 |
| Response time | Same-day service available |
| Warranty | Excellent warranty coverage |
| In business | Family-owned and locally operated |
| How to book | Call directly or request a service through the website form |
- Service area: Los Angeles, California; Los Angeles and surrounding areas
- Hours: Weekend emergency service available; Available for weekend emergency service
- Phone: (323) 645-2537 (from Google)
- Website: pacificplumbingteam.com
More about Pacific Plumbing Team
2. Conover Plumbing & Mechanical
Conover Plumbing & Mechanical lists full-service plumbing for residential and commercial properties, from drain cleaning to full repiping. It holds CA Contractor License #845109. Emergency calls are accepted 24/7, including nights, weekends and holidays. Same-day service is offered for most jobs, 7 days a week across Los Angeles County. It reports over 25 years serving the LA basin. You can book by call, text or form.
| Response time | Same-day service for most jobs, 7 days a week across Los Angeles County |
| In business | Over 25 years serving the LA basin |
| How to book | Call, text, or fill out the form below |
- Service area: All of Los Angeles County, including the Westside, Hollywood, San Fernando Valley, Eastside and South Bay; Los Angeles County; serves 81 cities and communities throughout Los Angeles County
- Hours: Emergency calls accepted 24/7, including nights, weekends and holidays; Available 24/7
- Phone: (310) 821-6200 (from Google)
- Website: conoverplumbing.com
More about Conover Plumbing & Mechanical
3. Prime Leak Detection Renovation inc
Prime Leak Detection Renovation inc lists plumbing leak detection and repair. It describes plumbing diagnosis without jackhammering through floors. It holds CA License #1098690 and states a warranty on all work. Technicians are on call 24/7, with mobile service across the San Fernando Valley, Orange County and Los Angeles County. Contact the team for a free estimate at (888) 700-6057.
| Response time | Fast response times |
| Warranty | Warranty on all work |
| In business | 17+ years of experience |
| How to book | Contact the team to schedule an inspection |
- Service area: Los Angeles, Orange County, and the San Fernando Valley; Los Angeles, the San Fernando Valley, and Orange County
- Hours: Technicians on call 24/7
- Phone: (888) 700-6057
- Website: primedetectionrenovation.com
More about Prime Leak Detection Renovation inc
4. A-1 Total Service Plumbing
A-1 Total Service Plumbing lists repiping, which it describes as replacing all or most pipes in a home. It also lists pipe relining (cured-in-place pipe lining), hydro jetting, and water heater repair and installation. It holds California State License Number 1135475. Its service area is Los Angeles, South Bay and Orange County. It states it responds as soon as possible and can be reached at 888-340-6346.
| Response time | As soon as possible |
- Service area: Los Angeles, South Bay & Orange County
- Hours: Mon–Sun 6:00 AM – 7:00 PM (from Google)
- Phone: 888-340-6346
- Website: a-1totalserviceplumbing.com
More about A-1 Total Service Plumbing
5. American Drain Works and Plumbing Company
American Drain Works and Plumbing Company lists water and gas line services including leak detection, pressure regulators, backflow preventers and shut off valves. It also inspects, diagnoses, maintains, repairs and replaces drain, waste and sewer systems. It holds California C36 plumbing license #966253 and has provided plumbing services since 2004. It is at 11319 W Washington Boulevard, Suite A, Los Angeles, 90066, serving the West LA area. Call 310-390-3180.
| In business | Owner Connie has more than a decade of experience in the field |
| How to book | Request service |
- Service area: West Los Angeles (residential and light commercial plumbing, drain and sewer services); West Side of Los Angeles / West LA area
- Hours: Mon–Sun Open 24 hours (from Google)
- Phone: 310-390-3180
- Website: americandrainworks.com
More about American Drain Works and Plumbing Company
6. Major League Plumbing
Major League Plumbing holds license 1067944 and reports 20+ years of experience. It states it is open 24 hours a day, Monday to Saturday. It strives to provide same-day service for emergencies. Customers can book online or call 562-380-8566, including to request a system inspection. Special financing and protection plans are offered. It serves Los Angeles, Long Beach and Torrance.
| Response time | Responds quickly to plumbing service requests |
| Warranty | Protection plans offered |
| In business | 20+ years of experience |
| How to book | Customers contact the business to schedule plumbing service or request a system inspection |
- Service area: Los Angeles, Long Beach, and Torrance, CA; Los Angeles, CA
- Hours: Open 24 hours a day, Monday to Saturday; Open 6 days for all plumbing issues
- Phone: 562-380-8566
- Website: mlplumbing.net
More about Major League Plumbing
7. Valencia's Plumbing
Valencia's Plumbing lists leak detection alongside plumbing repairs, drain and sewer cleaning, water heater services, and water and sewer line work. It also lists leak repairs for homes and businesses in Los Angeles. Same-day service is available for many plumbing issues, depending on the situation and availability. Emergency service is available 24/7, including weekends and holidays. Request a quote through the contact page or call (323) 489-9276.
| Response time | Same-day service |
| How to book | Request a quote through the contact page, or call to schedule same-day service |
- Service area: Los Angeles, CA; Los Angeles; residential homes and commercial properties
- Hours: Emergency service available 24/7, including weekends and holidays; Emergency plumbing service available 24/7, including nights, weekends, and holidays, for urgent issues
- Phone: (323) 489-9276
- Website: valenciasplumbing20.net
More about Valencia's Plumbing
8. Coast to Coast Plumbing
Coast to Coast Plumbing lists drain cleaning, sewer line repair, hydrojetting, camera sewer inspections, water and gas lines, and trenchless solutions. It holds California license #936718 and was founded in 2008. Emergency plumbing is available 24 hours a day, seven days a week. Its address is 3045 Larga Ave, Los Angeles, CA 90039. Call (310) 275-5800 to arrange a visit.
| In business | Founded in 2008 |
| How to book | Call (310) 275-5800 to arrange a visit |
- Service area: Los Angeles homes, businesses, rental properties and property managers; Los Angeles homes and businesses
- Hours: Available 24 hours a day, seven days a week for urgent plumbing problems; Emergency plumbing available 24 hours a day, seven days a week
- Phone: (310) 275-5800
- Website: coasttocoastplumbing.com
More about Coast to Coast Plumbing
9. Ritz Plumbing
Ritz Plumbing lists emergency plumbing, water heater services, drain cleaning, leak detection and sewer repairs. It states a response time of 60 minutes or less and operates 24/7. It reports serving since 1931 and describes its plumbers as licensed, bonded and insured, with no license number stated. Book online by entering a ZIP code or call (888) 757-7489. It serves Los Angeles and Southern California.
| Response time | 60 minutes or less |
| In business | Serving since 1931 |
| How to book | Online booking by entering ZIP code |
- Service area: Los Angeles and Southern California
- Hours: Operating 24/7
- Phone: (888) 757-7489
- Website: ritzplumbing.com
10. Liberty Plumbing & Heating
Liberty Plumbing & Heating holds a C-36 plumbing license and a C-20 heating license, listed as Lic #701083. Its hours are Sunday to Friday, 8:00 AM to 6:00 PM, with emergency services available. It is located at 8617 W. Pico Blvd, Los Angeles, CA 90035. It has served the Greater Los Angeles area since 1991. It states it guarantees a clean and professional job.
| Warranty | Guarantees a clean and professional job |
| In business | Serving the Greater Los Angeles area since 1991 |
- Service area: Greater Los Angeles area
- Hours: Sunday - Friday 8:00 AM to 6:00 PM; emergency services available
- Phone: (310) 289-1242 (from Google)
- Website: libertyplumbingservices.com
More about Liberty Plumbing & Heating
Frequently asked questions
Which Los Angeles plumbers in this guide list leak detection?
Pacific Plumbing Team, Prime Leak Detection Renovation inc, American Drain Works and Plumbing Company, Valencia's Plumbing and Ritz Plumbing each list leak detection among their services.
How much does a leak detection visit cost?
Pacific Plumbing Team states prices from $159. Prime Leak Detection Renovation inc offers a free estimate. For the other businesses, ask for a quote when you book.
Can a hidden leak be found without breaking up floors?
Leak detection often relies on listening equipment, pressure tests or cameras to narrow down a leak before walls or floors are opened. Prime Leak Detection Renovation inc describes plumbing diagnosis without jackhammering through floors.
Can I get a plumber outside normal hours?
Ritz Plumbing states it operates 24/7 with a response time of 60 minutes or less. Valencia's Plumbing and Coast to Coast Plumbing state emergency service 24 hours a day, seven days a week.
How we chose these businesses
We ranked every business in our plumbers listings that publishes the relevant details on its own website. The ranking combines the business's Google rating, adjusted for how many reviews it has, how many of the facts this guide needs the business publishes, and how recently we checked them. Every price and detail listed here comes from the business's own website. We don't review or rate businesses ourselves, and no business paid to be included. Prices and menus change, so confirm with the business before you go or book. How we rank · Report a correction
Facts last checked against each business's website on 27 October 2026.