Updated: May 02, 2026
Location and Projects
Address
2186 46TH AVENUE, San Francisco, CA, 94116
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F-1 Plumbing Services
F-1 Plumbing Services, 2186-46 Th Ave, San Francisco, CA (Owned by: Michael Martin O Sullivan) holds a Plumbing license according to the California license board.
Their BuildZoom score of 105 ranks in the top 8% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring F-1 Plumbing Services, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
F-1 Plumbing Services Services
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F-1 Plumbing Services Contact Information
Phone Number: (415) 305-5872
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Address: 2186 46TH AVENUE, San Francisco, CA 94116
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Building Permits by F-1 Plumbing Services
This is a sample of this contractor's permits. Click here to access their complete permit history.
This pays for inspections related to original permit # pw20240520887 filed 5/20/2024. dow: work category: 2pa; under ground water main and final inspection
Valuation:
N/A
Permit #:
PW20250313760
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; install new plumbing for one bathroom and one kitchen for a.d.u. in basement area. install new waste and rain water laterals and new house traps. reroute existing underground water main rework existing pip[work to conform to new construction
Valuation:
N/A
Permit #:
PW20230112919
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; remodel single family home. three full bathrooms one powder room laundry kitchen area. new house traps new water main
Valuation:
N/A
Permit #:
PW20250127639
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; install new plumbing for additional bathroom , powder room laundry area. in lower level of single family home. install underfloor heating for both levels. install new kombi boiler for domestic and under floor heating
Valuation:
N/A
Permit #:
PW20230616865
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; remodel existing kitchen area in church kitchen. addition hand wash sink. install three bowl sink and prep sink
Valuation:
N/A
Permit #:
PW20250406316
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; renew permit pw202308221527 for final inspection on two bathrooms kitchen laundry. in single family home
Valuation:
N/A
Permit #:
PW20250126603
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; install new house trap and new sewer and rain water lines to accommodate new foundation work
Valuation:
N/A
Permit #:
PW20250524484
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; remodel plumbing in two unit building each unit has one bathroom and one kitchen
Valuation:
N/A
Permit #:
PW20250506043
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; install plumbing for two a, d.u. units each consisting of one bathroom and one kitchen area gas service for one unit other unit will be all run on electricity. rework existing pipe work to conform to new construction
Valuation:
N/A
Permit #:
PW20231002599
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; install new kombi boiler for underfloor heating and existing hot water service
Valuation:
N/A
Permit #:
PW20250129707
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; install new plumbing for new three unit building. (bathrooms and kitchens and laundries) install new house traps install new water service no gas service
Valuation:
N/A
Permit #:
PW20240520887
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; remodel single bathroom in single family home. change lavvy faucets from deck mount to wall mounted. new shower valve. drains to remain. new fixtures
Valuation:
N/A
Permit #:
PW20240911489
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; remodel single family home. four bathrooms kitchen. two laundries wet bar sump pump. install underfloor heating
Valuation:
N/A
Permit #:
PW20250713542
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; install new plumbing in existing single family home three bathrooms laundry room , kitchen new gas service. install underfloor heating. new combo water heater. install one shower pan
Valuation:
N/A
Permit #:
PW20211009514
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; remodel existing bathroom in single family home
Valuation:
N/A
Permit #:
PW20250116376
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; remodel single family home four bathrooms kitchen area laundry new house traps , new water service. new gas service
Valuation:
N/A
Permit #:
PW20230603501
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; replace existing clay sewer lateral wit new cast iron pipe and new house trap
Valuation:
N/A
Permit #:
PW20241202453
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; remodel single family home. consisting of two powder rooms one full bathroom. one laundry. kitchen area. new gas service
Valuation:
N/A
Permit #:
PW20240618627
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; remodel single family home three bathrooms. kitchen area laundry. ejector pump in basement level. sump pump for catch basin in lower level. no gas service
Valuation:
N/A
Permit #:
PW20230821527
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; remodel existing kitchen area. install new water service from city meter to inside building
Valuation:
N/A
Permit #:
PW20240229979
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
F-1 Plumbing Services License info
Verified License
| License # | 801428 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for F-1 Plumbing Services at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
250
Permits
- Building permit records show that F-1 Plumbing Services has worked on 250 permitted projects.
F-1 Plumbing Services Employees
MS
Michael Martin O Sullivan
Owner
MO
Michael Martin O'sullivan
Sole Owner