Updated: Apr 01, 2026
Location and Projects
Address
3973 CLAY STREET, San Francisco, CA, 94118
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Union Pierce Construction
Union Pierce Construction operates in San Francisco, offering residential and commercial construction services throughout the city and surrounding neighborhoods. The company focuses on a variety of building and remodeling projects, serving homeowners and business clients with work ranging from ground-up construction to major renovations. With over a decade of experience in the Bay Area, Union Pierce Construction manages projects that include custom single-family homes, multi-unit residential buildings, office build-outs, and retail space improvements. The firm is experienced in navigating the complexities of construction within San Francisco’s urban environment, coordinating logistics, permits, and inspections as part of its services. Union Pierce Construction’s portfolio highlights its capacity to deliver both modern and traditional design build projects, adapting its construction approach to meet the specific requirements outlined by clients and architects.
Union Pierce Construction Services
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Union Pierce Construction Contact Information
Phone Number: (415) 310-8828
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Address: 3973 CLAY STREET, San Francisco, CA 94118
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Union Pierce Construction San Francisco
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Union Pierce Construction has a BuildZoom score of 101, which places them above 88% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
2 projects
|
2024 |
|
5 projects
|
2023 |
Our building permit records indicate that Union Pierce 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 |
|
3 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
3 projects
|
$50k-$100k |
|
2 projects
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
The typical size of their permits is approximately $68,000. 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 Union Pierce Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Interior residential remodel and exterior infill adddition at rear yard. (e) stair connecting upper unit to lower unit to be deom. and (n) private internal stair to be added. (n) spriknlers to be provided thorughout all 4 floors of building. doors and windows to be replaced. rear yard facade finish
Valuation:
$280,000
Permit #:
202411124804
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Remodel work @ (e) levels 1-3 remove (e) roof deck @ roof above. addition @ 3rd level. addition observation deck. no excavation work under this pa. ** maher: n/a **; refer to building routing/addenda report for change of description of proposed work dmj 04/14/2021;
Valuation:
$400,000
Permit #:
201805179427
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
(n) electric chair lift to be installed at entry stair to provide accessible path to entrance door. no interior work
Valuation:
$3,000
Permit #:
202504285365
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Relacement of perimeter foundation and concrete slab on grade in garage new ceiling & lighting in garage rebuilding concrete exterior stair in-kind replacement ofgarage door in-kind. work do not affect public right of way
Valuation:
$68,000
Permit #:
202403288788
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Foundation upgrade to existing basement level. excavation and expansion of existing wine cellar. minor remodel to existing bathroom re-frame existing stair to 1st level
Valuation:
$80,000
Permit #:
201812047426
Status:
reinstated
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Interior renovation throughout. excavation at 1st floor and garage. no change to exterior. habitable space at 1st level excavation and longer garage at garage level excavation. n/a for maher
Valuation:
$750,000
Permit #:
201907035117
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Replacement of (e) retaining wall between 981 grove st & 722 steiner st. new subgrade footing located on 981 grove st that is connected to (n) retaining wall on 722 steiner st. exterior work only (no work to residence). ref pa 2015-0825-5285
Valuation:
$5,000
Permit #:
201601288278
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Addition @ the 2nd & 3rd level rear. facade changes at the 1st level
Valuation:
$350,000
Permit #:
201909131638
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Remodel of (e) kitchen
Valuation:
$300,000
Permit #:
202112083955
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Upgrade to fixtures and finishes in kitchen and 2nd floor bathroom. replacement of select windows. variance for half bathroom addition to side yard (adjacent to kitchen) and legalize (e) rear yard stucture (writing room)
Valuation:
$100,000
Permit #:
201711224704
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Remove (e) trellis on roof building new roof deck w/42 high guardrail on roof. no mechanical/electrical/plubming work
Valuation:
$10,000
Permit #:
202305026954
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Replace (e) (2) 45 minute wireglass windows with new 45 min clear glass windows - parallegram shape to match (e). no structural alteration- not visible from street
Valuation:
$10,000
Permit #:
202305016778
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Upgrade e fire alarm system by prelacing with w/1 addressible fie alarm unit. 1 wireless communicator next to facu 9 addrssible smoke detectors 4 addressible manual pull station 4 horn srobes 24 low freq horns at all residential sleeeping area
Valuation:
$36,200
Permit #:
202305016766
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
The project proposes the in kind replacement of the windows located at the front façade - please note they are windows doors as shown on photos - ogee lugs and within the existing openings
Valuation:
$10,000
Permit #:
201708215422
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Hand dug piers and earth shoring for the proposed excavation in basement and level 1 on sep permit
Valuation:
$75,000
Permit #:
201907297230
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Retain glass roof at rear yard & 3 exterior walls that require legalization
Valuation:
$15,000
Permit #:
202306281111
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Interior remodel of 3/f addition new bathroom. replace (e) front facade wood windows and doors in kind
Valuation:
$140,000
Permit #:
201708104503
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Revision to 201708104503: new skylight in bathroom new fire rated window in master bathroom
Valuation:
$20,000
Permit #:
201710312772
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
To obtain final inspection for work approved under pa#201403130677 201411121224 201505136290 all work is complete
Valuation:
$1
Permit #:
201711174303
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Revise app#201702179646 by extending excavation
Valuation:
$5,000
Permit #:
201803163872
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
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Union Pierce Construction Reviews
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Verified License
BuildZoom confirmed this contractor's license
Union Pierce Construction License info
Verified License
| License # | 979719 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Union Pierce 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 # | NAT-F147168-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Corporation |
- According to the United States Environmental Protection Agency, 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 Union Pierce Construction at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
13
Permits
- Building permit records show that Union Pierce Construction has worked on 13 permitted projects.
Union Pierce Construction Employees
KW
Keith Edward Whitaker
Rmo / Ceo / Pres
SK
Suzanne Marie Kane
Officer