Updated: Jun 02, 2026
Location and Projects
Address
445 Acacia Ave, San Bruno, CA, 94066
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Spiers & Sons Construction Photos
Spiers & Sons Construction
Spiers & Sons Construction is a family-owned and operated General Contractor Company dedicated to building and improving residential and commercial structures in the San Francisco Bay Area. Our company specializes in new construction, remodels and seismic retrofits. From foundation to framing to finish construction, we are dedicated to providing our clients with top-notch craftsmanship and great customer service. We take pride in getting the job done on time and on budget.
The company's President, Patrick Spiers, is joined by his sons, Brendan and Bobby, to form our management team. With decades of experience as a general contractor, real estate developer, and project foreman, Patrick has managed all types of construction projects in San Francisco and the greater Bay Area–from single-family homes and luxury condominiums to multi-unit (140+ units) and mixed-use developments, from home remodels and seismic retrofits to building schools. Now, Patrick is working with the next generation of contractors to continue our family's strong and reputable history of building in San Francisco.
From BuildZoom: Spiers & Sons Construction, 445 Acacia Ave, San Bruno, CA (Owned by: Patrick Joseph Spiers) holds a General Building license and 4 other licenses according to the California license board.
Their BuildZoom score of 114 ranks in the top 2% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Spiers & Sons Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Spiers & Sons Construction Services
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Spiers & Sons Construction Contact Information
Phone Number: (650) 438-4299
Address: 445 Acacia Ave, San Bruno, CA 94066
Spiers & Sons Construction San Bruno
Quality
114
98th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Spiers & Sons Construction has a BuildZoom score of 114, which places them above 98% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
3 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Spiers & Sons Construction has worked on at least
8.0 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.
Pricing
|
1 project
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
|
2 projects
|
$100k-$250k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $40,000. This graph shows the distribution of these job values.
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.
Building Permits by Spiers & Sons Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Foundation replacement at (e) basement. excavate for 8ft ceilihg ht. new rear patio and stairs. revision to pa 202306260858- field changes to drilled piers and relocate gas meter
Valuation:
$150,000
Permit #:
202407297467
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
To convert existing garage to a primary bedroom by removing garage doors and using its existing headers to place windows and adding additional walls to make a bathroom and walk-in closet. also to convert laundry area to a halfbath. (439 sq ft) (bldg/mech/plum/elec)
Valuation:
$30,000
Permit #:
CB24-0386
Status:
issued
Fee:
$2,872
Permit Type:
N/A
Building Type:
N/A
To comply with nov#202300943. rebuild front damaged staircase. structural shoring work to be done in phasing to accomodate temp staircase and new proposed concrete retaining walls and staircase
Valuation:
$200,000
Permit #:
202306260858
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Remodel of ground floor space to include 537 sqft of new habitable space playroom (not for sleeping) and a new bathroom
Valuation:
$175,000
Permit #:
202410163018
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Addition of one detached adu at the east side of the building under the state adu program
Valuation:
$253,958
Permit #:
202203029043
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Replace wood siding in-like and in-kind at west facing property line side of building. visible from the street approx 27 high x 65 length (1755 sqft)
Valuation:
$10,000
Permit #:
202410183282
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Remodel (1) bathroom in kind. no wall removal or structual work. replacing tile fixtures and finishes and sheetrock. install exhaust fan
Valuation:
$35,000
Permit #:
202402055253
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Convert existing closet area into new bathroom on 3rd floor.construct vertical expansion to accomodate bathroom
Valuation:
$40,000
Permit #:
202505297463
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Convert existing closet area into new bathroom on 3rd floor.construct vertical expansion to accomodate bathroom
Valuation:
$40,000
Permit #:
202505297463
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Voluntary seismic upgrade of first floor of existing three story building per sfebc chapter 4d engineering criteria 2019 cebc appendix a4
Valuation:
$50,000
Permit #:
202011189230
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Soft story retrofit per sfebc chapter 4d: 2016 cebc appendix a-4
Valuation:
$115,000
Permit #:
201709087372
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Remodel one bathroom in-kind like for like
Valuation:
$25,000
Permit #:
202101041992
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Revision to 201410179216. use option to shotcrete portions of foundatin in lieu of cast in place
Valuation:
$1
Permit #:
201506260054
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Soft story retrofit per sfebc chapter 4d 2016 cebc appendix a-4
Valuation:
$40,000
Permit #:
201709148132
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Structural repair & interior remodel
Valuation:
$106,000
Permit #:
202010136419
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
-
Revision to pa #2017-0908-7372: change simpson moment frames to conventional moment frames
Valuation:
$20,000
Permit #:
201911268225
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Bathroom remodel & reconfiguration
Valuation:
$35,000
Permit #:
202011219466
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
1st flr: construct 2 rbedrooms bathroom & family roo w/wet bar in storage area behind garage. 2nd flr: construct (n) interior stairway
Valuation:
$88,700
Permit #:
201505115880
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Comply with bid nov 201550113 - remove replace linke in kind as required (dry rot) in garage located at rear of lot. south/east walls approx. 12 x 20
Valuation:
$5,000
Permit #:
201505297507
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
86 - prkng garage...
Comply 201249341. vertical & horizontal addition: 1st fl new garage family room office front stairs. 2nd fl: new kitchen. 3rd fl: new master bedroom bathroom closet and roof deck
Valuation:
$184,800
Permit #:
201108192851
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Spiers & Sons Construction Reviews
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Verified License
BuildZoom confirmed this contractor's license
Spiers & Sons Construction License info
Verified License
| License # | 1061537 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Spiers & Sons Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 810691 |
| 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.
Check this license's status for Spiers & Sons Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 697738 |
| 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.
Check this license's status for Spiers & Sons Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 481137 |
| 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.
Check this license's status for Spiers & Sons Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 481138 |
| 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.
Check this license's status for Spiers & Sons Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
114
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
30
Permits
- Building permit records show that Spiers & Sons Construction has worked on 30 permitted projects.
Spiers & Sons Construction Employees
BS
Brendan Gerard Spiers
Sole Owner
PS
Patrick Joseph Spiers
Owner