If you hire this pro, you’re covered by a money-back guarantee. Learn more
If you hire this pro, you’re covered by a money-back guarantee. Learn more
About
ASAP Plumbing Pros strives to get out to all of our customers Immediately. We are proud to serve San Francisco, Daly City, San Mateo, and all surrounding areas! Immediate appointments is our priority. Our service is second to none! We come out to fix your issue and if it’s not done correctly, we will always come back and make it right. If you’re experiencing toilet clogs, plumbing leaks, garbage disposal issues, sewer backups and more, definitely give us a call and we’ll get your life back on track sooner rather than later.
Overview
Current Top Pro
Hired 608 times
Serves South San Francisco, CA
Background checked
License verified
5 employees
8 years in business
Business hours
This pro hasn't listed their business hours.
Payment methods
This pro accepts payments via Apple Pay, Cash, Check, Credit card, PayPal, Venmo, and Zelle.
Top Pro status
Top Pros are among the highest-rated, most popular professionals on Thumbtack.
2025
2024
2023
2022
2021
2020
Services offered
Project type
Estimated hours
Less than 2 hours of work
Work focus
Plumbing
Projects and media
Projects and media
Reviews
Customers rated this pro highly for responsiveness, work quality, and professionalism.
Exceptional 5.0
388 reviews
5
98%
4
1%
3
1%
2
0%
1
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Your trust means everything to us. Learn about our review guidelines.
Read reviews that mention:
Tim C.
Jun 11, 2026
•
Hired on Thumbtack
We had an emergency plumbing issue at night, and Donald came out promptly to fix it. He was professional, answered all of my questions, and got the job done despite some unexpected challenges.
I appreciated that he took the time to explain the cause of the problem and talked through some longer-term solutions to prevent it from happening again. Great service during a messy situation.
Plumbing Drain Repair
Douglas L.
4 weeks ago
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Hired on Thumbtack
ASAP Plumbing lived up to their name; they were very responsive ASAP Plumbing lived up to their name; they were very responsive and able to look at a septic plumbing issue within a few hours on a Sunday. They had the right equipment to diagnose and explain the issue and to provide a long-term fix after snaking the pipes. They were respectful of the property and very communicative.
Details: Yes, repair is urgent • Multiple drains have issues • Clogging • Slow draining • House
Plumbing Drain Repair
A W.
Jul 3, 2026
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Hired on Thumbtack
Donald and Kong did an outstanding job on my recent plumbing work, and I’m genuinely impressed with both the quality of the repair and their professionalism. From start to finish they were clear about what they were doing, answered my questions in plain language, and made sure I understood the problem and the fix. They arrived when they said they would and got right to work, diagnosing the issue quickly and explaining what they found before moving ahead. The repair itself was done efficiently. I really appreciated how careful they were with protecting the work area, kept tools organized, and cleaned up thoroughly before leaving so you’d barely know a plumber had been there except that everything now works. I would absolutely call for any future plumbing needs and highly recommend them.
Details: Yes, repair is urgent • Only one drain has issues • Clogging • House
Plumbing Drain Repair
Bobby L.
2 weeks ago
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Hired on Thumbtack
Very responsive when I had both a plugged bathroom sink and tub over Labor Day weekend. Very transparent assessment and diagnosis of my issue and pricing to do the work. Answered all my questions and provided clear guidance to my options. Will use them again without any hesitation.
Plumbing Drain Repair
Tamara N.
Feb 19, 2026
•
Hired on Thumbtack
They came in and figured out where my leak was coming from within 20 minutes. They also found another plumbing issue that I did not call about. I am happy that I got 2 problems solved in the same day at a reasonable price .
Details: Yes, repair is urgent • Only one drain has issues • Leaking (problem area known) • House
Plumbing Drain Repair
Credentials
License
License type: C36 – Plumbing Contractor
License state: CA
License verified on 4/18/2025
Background Check
Donald Cheng
FAQs
What should the customer know about your pricing (e.g., discounts, fees)?
We offer estimates and options for the repair onsite. Warranty is given for our work. Discounts are given to new customers.
What is your typical process for working with a new customer?
I like to ask to get a little more information on the issue and let new customers know what needs to be done to resolve that issue. An appointment will then be set up according to their availability and we go from there. Options and estimate for the repair will be provided that suits customers needs.
What education and/or training do you have that relates to your work?
My father recently retired with 40 years of experience in the field and he has passed on a great deal of knowledge to me. I also worked for a big plumbing company for years cleaning all sorts of drain clogs on daily basis.
