Updated: Oct 27, 2025
Location and Projects
Address
507 Oxford St, San Francisco, CA, 94134
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Ab plumbing Photos
Ab plumbing
Plumbing Services You Can Trust
PLUMBERS IN SAN FRANCISCO
Based in the San Francisco’s Bay Area, A.B. Plumbing was established in 2003 with over 15 years of industry experience. We take pride in our experienced and knowledgeable professionals, as well as the high standards that we hold ourselves to.
A.B. Plumbing is the most honest and reliable plumbing service in the area. It is our mission to establish a long lasting relationship with each and every one of our clients by demonstrating excellent workmanship, maintenance, and flawless attention to detail.
https://ab-plumbing.com/
From BuildZoom: Ab plumbing, 507 Oxford St, San Francisco, CA holds a Plumbing license according to the California license board.
Their BuildZoom score of 107 ranks in the top 6% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Ab plumbing, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Ab plumbing Services
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Ab plumbing Contact Information
Phone Number: (415) 333-5566
Address: 507 Oxford St, San Francisco, CA 94134
Ab plumbing San Francisco
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Ab plumbing has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
3 projects
|
2025 |
|
14 projects
|
2024 |
|
15 projects
|
2023 |
|
20 projects
|
2022 |
Our building permit records indicate that Ab plumbing has worked on at least
52.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
51 projects
|
Plumbing projects |
|
22 projects
|
Sewer laterals |
Analyzing permits over the last 4 years shows that Ab plumbing mostly works on
plumbing project
and sewer lateral
projects.
Pricing
|
1 project
|
$5k-$20k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Work category: 2pa; arrive at location and prep work work area. turn off water and drain water heater. move water heater up against the wall so it can be strapped properly. provide and install approximately 15’ of new gas pipe. provide and install approximately 20’ of copper pipes. provide and install all necessary fittings and couplings. turn water back on and check for leaks
Valuation:
N/A
Permit #:
PW20240328660
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing existing gas line from meter to existing bbq pit at rear yard (100 feet @ 1 inch pipe). install new 3/4 copper water line @ 25 linear feet to rear yard for future outdoor kitchen island to be issued under a seperate permit
Valuation:
$12,975
Permit #:
MEP-2023-290562
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; -saw cut break remove and dispose of concrete. -excavate and expose defective sewer pipe to a depth of no more than 10 feet by house trap
Valuation:
N/A
Permit #:
PW20230313384
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; sewer line replacement
Valuation:
N/A
Permit #:
PW20250128670
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; recommended work for sewer lateral replacement. permit update: job description is for water service replacement only
Valuation:
N/A
Permit #:
PW20241204535
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Outdoor fireplace and gas piping **plans required per infoinspector instructions and inspection notice 7/01/22**
Valuation:
N/A
Permit #:
2022 679676 RS
Status:
final
Fee:
N/A
Permit Type:
Single-family
Building Type:
N/A
Work category: 2pa; we need to pull a permit for fixing a drain and adding a backflow device to the irrigation
Valuation:
N/A
Permit #:
PW20220504157
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Amend pw20231130979 for change of work scope to water line replacement insetal of sewer line
Valuation:
N/A
Permit #:
PP20240108700
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; in-kind replacement of kitchen and bathroom fixtures including dishwasher sink garbage disposal air gap toilet and bathroom vanity per and legalize permit 2017-08-25-5949
Valuation:
N/A
Permit #:
PW20200629541
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; provide and install new 50 gal gas tank american standard water heater:
Valuation:
N/A
Permit #:
PW20220822238
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; bring water heater and washing machine installation up to code
Valuation:
N/A
Permit #:
PW20220331188
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Sewer repair of approx 70 ft. in front garden area ofcommercial property. work is not in public right of way
Valuation:
$5,000
Permit #:
202103400
Status:
complete
Fee:
N/A
Permit Type:
Sewer replace/rep...
Building Type:
N/A
Replacement of the water heater and expansion tank
Valuation:
N/A
Permit #:
25042-90000-16166
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Work category: 2 pa; install and maintain floor drains inside stair well
Valuation:
N/A
Permit #:
PW20220830473
Status:
cancelled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Amend pw20220830473 to correct address. 3251 20 th st & 3251 20 th ave.
Valuation:
N/A
Permit #:
PP20220902875
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Amend pw20220830473 to correct address. 3251 20th st & 3251 20th ave
Valuation:
N/A
Permit #:
PP20220902875
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; recommended work sewer line replacement outside
Valuation:
N/A
Permit #:
PW20240322538
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tube waste and overflow replacement
Valuation:
N/A
Permit #:
PP20230406326
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; install 5 feet of cpvc pipe for sprinkler
Valuation:
N/A
Permit #:
PW20220406328
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; tankless water heater bypassing the meter
Valuation:
N/A
Permit #:
PW20240129225
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
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Ab plumbing License info
Verified License
| License # | 876212 |
| Status | Active |
| State | California |
| Type | Plumbing |
- BuildZoom verified this license was active as of October 2025.
Verify this license's status for Ab plumbing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Bonded
| Bonded Agent | Business Alliance Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Markel Insurance Company |
347
Permits
- Building permit records show that Ab plumbing has worked on 347 permitted projects.