spiersandsons.construction445 Acacia Ave, San Bruno, CA
Spiers & Sons Inc is a general contractor with 4 tracked San Francisco building-permit projects on record, with the latest filing in that record 61 days ago. Its filings (Feb 2025 to Aug 2026) are concentrated in Noe Valley and Oceanview/Merced/Ingleside, 100% residential. A typical project in the record declares $40K–$150K. If you work at Spiers & Sons Inc, claim this page to add a description.
Filed 61 days ago
#1,248
by SF filing activity
among SF general contractors, 90 days to Oct 4, 2026
4
projects
from 11 filings
1/16
active week
weeks with a filing (16 weeks to Oct 4, 2026)
Selected by the firmSelect Spiers & Sons Inc projects
$160K Sunset/Parkside single-family renovation
Grade BActive 1 month ago · Spiers & Sons: GC
New bedroom & bathroom at (e), non-habitable first floor space. new stairway & bathroom alterations at second floor
GC named · Architect identified · 2 anticipated categories not yet filed
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$30K Potrero Hill multifamily renovation
Grade BActive 1 month ago · Spiers & Sons: GC
Structural repair to existing roof beam at rear of the property. replace existing failed beam with new steel beam
GC named · Architect identified · Engineer identified
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$74K Oceanview/Merced/Ingleside new single-family building
Last active Feb 2025 · Spiers & Sons: GC
Work category: 1m; install a ac mini split system
GC named · Architect identified · Engineer identified · 4 specialty contractors identified
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4 project records for Spiers & Sons Inc: addresses, values, project teams
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Typical project$40K–$150K$74K typical4.3× the SF median ($17K)Last filed61 days agoPotrero Hill · Aug 7, 2026Last 90 days1 active1 newly filed
Filing activity · 16 weeks to Oct 4, 2026 · peak Aug 2026
JUN
JUL
AUG
SEP
Project mix · by use
Residential100%
Geography · by neighborhood
Noe Valley25%
Oceanview/Merced/Ingleside25%
Potrero Hill25%
Sunset/Parkside25%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Benchmark Engineering | Architecture | 2 | |
| 2 | A. Gordon Atkinson AIA | Architecture | 1 | |
| 3 | Ashley & Vance Engineering | Architecture | 1 | |
| 4 | Kotas/Pantaleoni Architects | Architecture | 1 | |
| 1 | De Maravilla Tile | Plumbing contractor | 2 | |
| 2 | Astorga Construction Inc | General contractor | 1 | |
| 3 | Walsh Electric SF | Electrical contractor | 1 | |
| 4 | Dunne Plumbing | Plumbing contractor | 1 | |
| 5 | M F Electric | Electrical contractor | 1 |
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Owner and developer names, and the projects behind each connection, are part of the Leads product.
Firms that appear on the same San Francisco permit filings. Association on shared filings, not a proven working relationship.
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State licenseCSLB Contractor #1061537As filed on 2 permits
Repeat working relationships2 firmsFirms this one appears with on more than one project, out of 10 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
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Claim this firmFrequently asked questions
How many SF projects does Spiers & Sons Inc appear on?▾
PermitPipeline tracks 4 San Francisco building-permit projects for Spiers & Sons Inc (Feb 2025 to Aug 2026). 1 had filing activity in the last 90 days.
Does Spiers & Sons Inc work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Spiers & Sons Inc's projects are commercial and 100% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Spiers & Sons Inc work?▾
25% of Spiers & Sons Inc's tracked San Francisco projects are in Noe Valley.
What is a typical Spiers & Sons Inc project worth?▾
The median declared value across the 4 San Francisco projects Spiers & Sons Inc has on record that state one is $74K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Spiers & Sons Inc?▾
Spiers & Sons Inc most frequently appears on the same San Francisco permit filings as Benchmark Engineering, De Maravilla Tile, A. Gordon Atkinson AIA. Appearing together indicates association on shared filings, not a proven working relationship.
Is Spiers & Sons Inc a general contractor?▾
Spiers & Sons Inc is listed as a general contractor on its San Francisco permit filings. Roles on this profile are derived from the role each firm holds on public SF DBI filings.
Public aggregate — full project records are part of the paid leads product. Ranking, filing activity, project mix and geography were last recomputed Oct 4, 2026. Project counts, declared values and filing dates are read live from SF DBI filings.
Sources
San Francisco Department of Building Inspection permit filings.
Record source
Read directly from SF DBI filings.
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