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ASAP Plumbing Pros
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Leak detection and repair

Find hidden pipe leaks, slab leaks, and fixture drips with minimal disruption.

  • 60 Years Combined Experience
  • Licensed & Insured
  • Emergency Service
  • Transparent Pricing

Request service

Fast response — no obligation

We will respond as soon as we can.

10% OFF

Limited Time Offer

Any plumbing service

Call (415) 728-6391 — cannot be combined with any other offer or coupon.

Unexplained water bill spikes, damp spots, and mold often mean hidden leaks. ASAP Plumbing Pros locates and repairs slab leaks, pipe leaks, and fixture drips throughout the Bay Area.

Why ASAP

Why choose us for leak detection & repair

  • Find hidden leaks

    Slab, wall, and fixture leak locating.

  • Repair included

    Detection and repair in one call.

  • Licensed plumbers

    Minimize property disruption.

How it works

How our leak detection & repair service works

  1. 01

    Call or request online

    Tell us what's going on and where you are. We'll give you a realistic arrival window on the spot.

  2. 02

    Fast dispatch

    A licensed technician heads your way with the tools and parts to solve most jobs in one visit.

  3. 03

    Upfront diagnosis & quote

    We explain what's wrong and quote the fix before touching a wrench — no guesswork, no pressure.

  4. 04

    Fix it, backed by warranty

    We complete the repair and stand behind it. If something isn't right, we come back and make it right.

Customer reviews

What customers say about our leak detection & repair

Google Reviews 269 reviews
Google review

They came out and figured out where my water leak was coming from. They also diagnosed another plumbing issue that I did not call for. I was able to get 2 problems solved at one time. I truly appreciate the service! I have them in my contacts now and will refer them for plumbing work.

Tamara Nobles

Feb 18, 2026

Google review

I've worked with Donald of ASAP Plumbing several times over the past 4 years and can confidently recommend their services. He's unclogged drains, replaced kitchen sink water valves and garbage disposal, and resolved an active leak in my old rental apartment kitchen. He's prompt to respond to inquiries, shows up during the expected time window, and overall is a very friendly and personable guy.

Linden McGreevy

Jan 22, 2026

Google review

Just great service overall! Friendly, honest, and works within your budget! My garbage disposal unit under the sink wasn't working. Fast response! Don responded my plumbing request within an hour or less. Setup an appointment for the next day and got plumbing fixed the next day! All within 24 hours! Quality work and detailed! He didn't just do a patch job! Don fixed the garbage disposal unit and showed us the pip that was on the verge of breaking. Left the site to pick up more items from the store, came back and made sure no water leak afterwards! He got all of it done within a 3 hours. Highly recommend Don from DDD Plumbing!

Henry Wang

Feb 1, 2024

Google review

I’ve been using Don since his business began. Don always offers the best prices for all San Francisco draining needs. I’ve used him for faucet installations, garbage disposal, drain clogs, outdoor and indoor plumbing needs, plumbing leaks, sewer cleaning, among other services for my properties. My neighbors also raved about his coverage in the San Francisco bay area region for shower installation, water tank needs, drain cleaning, sink draining, etc. He far and away exceeds my expectations especially in the San Francisco Bay Area region where prices are exorbitant. With Don, you get bang for your buck for professional plumbing and drainage needs with free warranty for the first month! I’ll be using Don for years to come! Hey Don, time to start a loyalty program?!

liqun jiang

Dec 22, 2022

Google review

My kitchen sink had a leak. No idea where it came from but the cabinets would pool with water especially after running the dishwasher. I don’t know much about plumbing but luckily I found Drain Doctor Don Plumbing and had a great experience. Don came and diagnosed the issue and fixed it within an hour. Great experience. Keep up the good work Don! Will definitely need you again in the future.

Vicky Tang

Dec 20, 2022

Google review

I had a toilet leak and a bathroom faucet that had no water pressure. Contacted Don and he had all of the materials on hand to complete the job all in one visit. Highly recommended! Don is definitely my first call for plumbing needs.

Yao Yuu

Dec 16, 2022

Google review

I had a water heater that broke recently. I used ASAP Plumbing and was very satisfied with my experience with them. They came quickly, were responsive, explained everything I needed to know and honored the price they quoted me over the phone. Very professional. I am glad to know that there is a company like ASAP Plumbing I can call on if I need a plumber in the future. I highly recommend them.

Ellen Markoff

Jul 6, 2026

Google review

I had an ABS pipe leaking under my crawlspace and honestly had no idea what was going on, just saw constant dripping that was getting really annoying. I reached out to multiple plumbing companies, and ASAP Plumbing Pros responded super quickly and helped me schedule an appointment for the very next day, which was incredibly efficient. Kong came out to help, and he was extremely friendly and clear in explaining everything. He walked me through what was happening, what needed to be fixed, and got the job done in about an hour and a half. After finishing, he double checked everything and even asked me to confirm it myself, which I really appreciated. Overall, I’m really satisfied with the service from Kong and ASAP Plumbing Pros. Fast response, clear communication, and great work. Highly recommend!

Busheng Lou

Dec 6, 2025

Recent leak detection & repair projects

A sample of plumbing work from Bay Area homes.

Good to know

Leak Detection & Repair FAQs

How do you find hidden leaks?

Acoustic detection, pressure testing, and visual inspection isolate leaks with minimal damage.

What are signs of a slab leak?

Warm spots on floors, unexplained water bills, low pressure, and foundation moisture.

Do you repair after detection?

Yes. We locate and repair leaks — not just detect them.

Ready when you are

Plumbing emergency? We're on the way.

Call (415) 728-6391 or request service online — 24/7, every day of the year.