Updated: Jul 10, 2026
Location and Projects
Address
2241 28TH AVENUE, San Francisco, CA, 94116
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Ja Plumbing Inc
Ja Plumbing Inc, 2241-28 Th Ave, San Francisco, CA (Owned by: J A Plumbing) holds a Plumbing license and 3 other licenses 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 Ja Plumbing Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Ja Plumbing Inc Services
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Ja Plumbing Inc Contact Information
Phone Number: (310) 872-0678
Edit
Address: 2241 28TH AVENUE, San Francisco, CA 94116
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Ja Plumbing Inc San Francisco
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Ja Plumbing Inc has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
9 projects
|
2025 |
|
13 projects
|
2024 |
|
12 projects
|
2023 |
Our building permit records indicate that Ja Plumbing Inc has worked on at least
34.0 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
|
31 projects
|
Plumbing projects |
|
11 projects
|
Sewer laterals |
Analyzing permits over the last 4 years shows that Ja Plumbing Inc mostly works on
plumbing project
and sewer lateral
projects.
Pricing
|
1 project
|
< $5k |
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: 2pb; replace 11/4 water service house trap and sidewalk sewer pipe new piping for three bathrooms two kitchens two laundry boxes roof drain and floor sink.install three shower pans and three water heaters
Valuation:
N/A
Permit #:
PW20251022046
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; remodel unit #2 for one bathroom kitchen laundry and install one shower pan. new gas pipe for water heater and stove. unit #4 for two bathrooms kitchen laundry and install two shower pan. new gas pipe for water heater
Valuation:
N/A
Permit #:
PW20230227049
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; new piping for one bathroom one kitchen one laundry box and floor sink. relocate water heater on the ground floor. remodel one bathroom one kitchen and laundry box. 11/2 gas pipe for stove dryer furnace and water on the second floor. install two shower pans
Valuation:
N/A
Permit #:
PW20231219432
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; replace house trap sewer pipe and 11/4 water service. new piping for three bathroom kitchen sink laundry sink laundry box roof drain floor drains floor sink area drains and bar sink. 1 gas pipe for water heater dryer stove and furnace. install 2 shower pan
Valuation:
N/A
Permit #:
PW20220415637
Status:
reinstated
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; replace sidewalk sewer pipe and house trap. remodel kitchen on the first
Valuation:
N/A
Permit #:
PW20250204862
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; new piping for one bathroom, kitchen sink laundry bor and floor drain.install one shower pan and water heater. replace 11/4 water service. new 11/4 gas piping for water heater dryer and stove
Valuation:
N/A
Permit #:
PW20231128926
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; new plumbing for one bathroom laundry box floor drain and area drain on the ground floor. install one shower pan
Valuation:
N/A
Permit #:
PW20250708427
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; new piping for one bathroom kitchen and laundry
Valuation:
N/A
Permit #:
PW20250211013
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; new piping for the roof drain area drain, area drain with backflow and laundry sink. relocate water heater
Valuation:
N/A
Permit #:
PW20240923779
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; remodel one bathroom, replace sidewalk sewer pipe and house trap storm drain area drain with backflow
Valuation:
N/A
Permit #:
PW20240304060
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; new one bathroom on the ground floor remodel two bathrooms on the first floor. install two shower pans
Valuation:
N/A
Permit #:
PW20240208494
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; remodel 21/2 bathrooms kitchen and laundry. new 11/4 gas pipe for water heater stove and dryer. install one shower pan
Valuation:
N/A
Permit #:
PW20221113543
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; remodel 1 bathroom on the ground floor 1/2 bathroom on the second floor and install 1 shower pan
Valuation:
N/A
Permit #:
PW20240923778
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; remodel one bathroom and replace roof drain. install new shower pan
Valuation:
N/A
Permit #:
PW20230609668
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; renewal permit pw 20220103653 for final inspection
Valuation:
N/A
Permit #:
PW20230210680
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; remodel one bathroom kitchen and laundry box. install new one shower pan
Valuation:
N/A
Permit #:
PW20241014362
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; replace sidewalk sewer pipe and house trap
Valuation:
N/A
Permit #:
PW20230308311
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; remodel one kitchen on the 1st floor
Valuation:
N/A
Permit #:
PW20230227048
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; replace 11/4 water service new plumbing for 21/2 bathroom laundry sink laundry box bar sink kitchen sink and roof drain. new 11/4 gas pipe for dryer stove and water heater. install two shower pans
Valuation:
N/A
Permit #:
PW20180827129
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; remodel bathroom and kitchen at unit 1 unit 2 and unit 5
Valuation:
N/A
Permit #:
PW20211027036
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Ja Plumbing Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Ja Plumbing Inc License info
Verified License
| License # | 845259 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Corporation |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Ja Plumbing Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 912294 |
| Status | Active |
| City | San Carlos |
| Type | Contractor |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of September, 2013. Check the current license status of Ja Plumbing Inc with the The City of San Carlos, CA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 912294 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Ja Plumbing Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1027884 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Ja Plumbing Inc 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 | Western Surety Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Markel Insurance Company |
1.3K
Permits
- Building permit records show that Ja Plumbing Inc has worked on 1346 permitted projects.
Ja Plumbing Inc Employees
JP
J A Plumbing
Owner
JO
Jason Ouyang
Rmo
JG
Jose Angel Godoy
Sole Owner
KC
Kin Shiu Cheung
Officer
NP
Nigel Edwards - President
Owner
NE
Nigel Oliver Edwards
Sole Owner
YY
Yim Ting Young
Ceo / President