Updated: May 31, 2026
Location and Projects
Address
1515 GALVEZ AVENUE, San Francisco, CA, 94124
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O'BRIEN BUILDING Plumber
O'BRIEN BUILDING, 1515 Galvez Ave, San Francisco, CA (Owned by: JUSTIN JOHN O'BRIEN) holds a Boiler, Hot Water Heating And Steam Fitting, Plumbing license and 3 other licenses according to the California license board.
Their BuildZoom score of 104 ranks in the top 9% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring O'BRIEN BUILDING, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
O'BRIEN BUILDING Services
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O'BRIEN BUILDING Contact Information
Phone Number: (510) 746-4000
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Address: 1515 GALVEZ AVENUE, San Francisco, CA 94124
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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 # pw20250129697 filed 1/29/2025. dow: work category: 11p; cross connection testing of 67 units
Valuation:
N/A
Permit #:
PW20250129698
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 8p; installation of 2 domestic water heat pumps and flues as well as 1 domestic electric hot water storage tank
Valuation:
N/A
Permit #:
PW20220923137
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 11p; cross connection testing of 45 units
Valuation:
N/A
Permit #:
PW20250129697
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Treasure island - 401 avenue of the palms: inspection of rough in for 94 prefab units and fix all plumbing deficeincies
Valuation:
N/A
Permit #:
PP20220323881
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 3pc; new plumbing installation with underground utilities for a new 135 unit apartment building
Valuation:
N/A
Permit #:
PW20230203463
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; correct complaint: 202286160 repair underground sewer line that has a dip causing suds backups into lower floor unit
Valuation:
N/A
Permit #:
PW20220201450
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 3pc; plumbing inspection of 141 fabricated units for corrections to deficiencies
Valuation:
N/A
Permit #:
PW20220407393
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 3pb; new plumbing installation for retail and 35-unit apartment building
Valuation:
N/A
Permit #:
PW20250602633
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 3pc; plumbing installation for a new 95 unit apartment building
Valuation:
N/A
Permit #:
PW20250723817
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 8p; installation of 5 heat pumps and venting for new apartment building domestic hot water
Valuation:
N/A
Permit #:
PW20240520912
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 8p; install two new domestic hot water water heaters and flues for a new residential project
Valuation:
N/A
Permit #:
PW20220830481
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; correct 15 unit floor drains with sloping issues
Valuation:
N/A
Permit #:
PW20220901554
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 3pc; new plumbing installation for 6 story apartment building - 146 units
Valuation:
N/A
Permit #:
PW20240703965
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 3pc; 9 storey apartment building with future commercial space on the ground floor
Valuation:
N/A
Permit #:
PW20220801640
Status:
reinstated
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 8p; installation of 3 new heat pump domestic hot water heaters and flues
Valuation:
N/A
Permit #:
PW20240524059
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5p; plumbing for a new university gymnasium
Valuation:
N/A
Permit #:
PW20230209658
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Renew plumbing permit pp20171129699 and pw20161201481. to complete remaining scope of work. renovation of plumbing fixtures within 200 exiting units and minor public piping changes in an existing residential housing building
Valuation:
N/A
Permit #:
PP20181220683
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 3pc; new plumbing installation for a 90 unit apartment building
Valuation:
N/A
Permit #:
PW20240828210
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 3pb; plumbing renovation of 18 units. includes underground waste piping
Valuation:
N/A
Permit #:
PW20210525666
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 8p; boiler permit for (4) domestic water heaters and flues
Valuation:
N/A
Permit #:
PW20220329125
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
O'BRIEN BUILDING License info
Verified License
| License # | 754629 |
| Status | Active |
| State | California |
| Type | Boiler, Hot Water Heating And Steam Fitting, Plumbing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for O'BRIEN BUILDING at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1037887 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- 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 O'BRIEN BUILDING at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 432162 |
| Status | Inactive |
| State | California |
| Type | Plumbing, Boiler, Hot Water Heating And Steam Fitting |
| Business Type | Sole Ownership |
- 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 O'BRIEN BUILDING at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 927320 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- 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 O'BRIEN BUILDING at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Cypress Insurance Company |
325
Permits
- Building permit records show that O'BRIEN BUILDING has worked on 325 permitted projects.
O'BRIEN BUILDING Employees
AK
Armand Kilijian
Officer
AK
Armand Kilijian
Officer
BI
Broadway Mechanical Contractors Inc
Entity
JC
Jeremiah Matthew Casey
Officer
JO
John Timothy O'brien
Rmo/Ceo/Pres
JO
JUSTIN JOHN O'BRIEN
Owner
JO
Justin John OBrien
Sole Owner
LN
Lawrence Phillip Nejasmich
Rmo
OI
O'brien Mechanical Inc Ii
Entity
TB
Tej Simran Blanchette
Officer
TV
Trisha Kay Varriello
Officer