Updated: Mar 02, 2026
Location and Projects
Address
1147 FAIRFIELD AVENUE, Santa Clara, CA, 95050
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William Joseph O Brien Construction
William Joseph O Brien, 1147 Fairfield Ave, Santa Clara, CA (Employee: William Joseph O'brien) holds a General Building license according to the California license board.
Their BuildZoom score of 94 ranks in the top 24% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring William Joseph O Brien, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
William Joseph O Brien Services
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William Joseph O Brien Contact Information
Phone Number: (408) 568-1294
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Address: 1147 FAIRFIELD AVENUE, Santa Clara, CA 95050
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Building Permits by William Joseph O Brien
This is a sample of this contractor's permits. Click here to access their complete permit history.
Permit value$16kmessage contractor master bathroom-replace shower with tile vanity sink toilet and lighting; hall bathroom-replace tub/shower toilet vanity sink and lighting
Valuation:
N/A
Permit #:
D170159
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Master bath-replace shower with tile vanity sink toilet and lighting; hall bath-replace tub/shower toilet vanity sink and lighting
Valuation:
$16,000
Permit #:
D170159
Status:
final
Fee:
$434
Permit Type:
Add/alter single ...
Building Type:
N/A
Remodel kitchen and dining room 384 sf; remove non-load bearing wall between kitchen and dining room; remove (2) kitchen windows and fill in opening; replace dining room bow window same size and location; install backflow device
Valuation:
$150,000
Permit #:
B11-0718
Status:
final
Fee:
$3,185
Permit Type:
N/A
Building Type:
N/A
Garage fire damage repair (342 sq ft). 1. replace roof over garage repair garage walls per current c.b.c. 2. r/r damaged windows repair stucco as needed. 3. repair subtrade work as needed per new c.b.c. 4. roofing to match existing. 5. r&r sink & toilet in hall bathroom. 6. r%r furnace & water heater same location
Valuation:
$6,125
Permit #:
2008 014569 RS
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel master bathroom 273 sf addition 42 sf overhang to front porch; replace fireplace
Valuation:
N/A
Permit #:
M03-000310
Status:
final
Fee:
$102
Permit Type:
N/A
Building Type:
N/A
Remodel master bathroom 273 sf addition 42 sf overhang to front porch
Valuation:
N/A
Permit #:
E03-000513
Status:
final
Fee:
$110
Permit Type:
N/A
Building Type:
N/A
Photovoltaic grid-connected system installed on roof of single family residence
Valuation:
N/A
Permit #:
E06-007
Status:
final
Fee:
$97
Permit Type:
N/A
Building Type:
N/A
Photovoltaic grid-connected system installed on roof of single family residence
Valuation:
$21,600
Permit #:
B06-0006
Status:
final
Fee:
$755
Permit Type:
N/A
Building Type:
N/A
Remodel master bathroom addition 42 sf overhang to front porch
Valuation:
N/A
Permit #:
P03-000430
Status:
final
Fee:
$125
Permit Type:
N/A
Building Type:
N/A
Remodel master bathroom 273 sf; addition 42sf porch overhang
Valuation:
$18,924
Permit #:
B03-000275
Status:
final
Fee:
$1,020
Permit Type:
N/A
Building Type:
N/A
Roof mounted solar panel system
Valuation:
$0
Permit #:
2004-30052-00 BE
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Roof mounted solar panel system
Valuation:
N/A
Permit #:
2004-30052-00
Status:
final
Fee:
$378
Permit Type:
N/A
Building Type:
N/A
Residential detached non-habitable accessory structures
2022-05-31
Remove existing one-stall garage and replace with two-stall garage+workshop it is the permittee’s obligation and responsibility to ensure that all work associated with this permit complies with all current orders of the health officer of the county of san mateo related to the novel coronavirus disease 2019 (covid-19). the county of san mateo assumes no responsibility for work performe... see more
Valuation:
N/A
Permit #:
BLD2022-01333
Status:
canceled
Fee:
$250
Permit Type:
N/A
Building Type:
N/A
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William Joseph O Brien License info
Verified License
| License # | 711868 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for William Joseph O Brien at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Bonded
| Bonded Agent | State National Insurance Company Inc |
| Bond Value | $15,000 |
7
Permits
- Building permit records show that William Joseph O Brien has worked on 7 permitted projects.
William Joseph O Brien Employees
WB
William Joseph O Brien
Owner
WO
William Joseph O'brien
Sole Owner