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Filed 7 days ago
#1,118
by SF filing activity
among SF general contractors, 90 days to Aug 14, 2026
3
projects
from 3 filings
1/16
active week
weeks with a filing (16 weeks to Aug 14, 2026)
Selected by the firmSelect Spiers & Sons Inc projects
$40K Noe Valley single-family renovation
Filed May 2025 · Spiers & Sons: GC
Convert existing closet area into new bathroom on 3rd floor.construct vertical expansion to accomodate bathroom
No GC named · 2 architects identified · Engineer identified
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$74K Oceanview/Merced/Ingleside new single-family building
Filed Feb 2025 · Spiers & Sons: GC
Erect a type vb, one story, detached adu building with one bedroom, one bathroom
No GC named · Architect identified · Engineer identified
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3 project records for Spiers & Sons Inc: addresses, values, project teams
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Declared values3 on filetoo few for a rangeLast filed7 days agoPotrero Hill · Aug 7, 2026Last 90 days1 active1 newly filed
Filing activity · 16 weeks to Aug 14, 2026 · peak Aug 2026
APR
MAY
JUN
JUL
AUG
Project mix · by use
Residential100%
Geography · by neighborhood
Noe Valley34%
Oceanview/Merced/Ingleside33%
Potrero Hill33%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Ashley & Vance Engineering | Architecture | 1 | |
| 2 | Benchmark Engineering | Architecture | 1 | |
| 3 | Kotas/Pantaleoni Architects | Architecture | 1 | |
| None on shared filings. | ||||
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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 licenceNot connectedContractor registration is held by BPELSG. That register is not part of the San Francisco permit record, and we do not yet read it.
Standing in its cohort#1,118San Francisco general contractors, by filing activity, 90 days to Aug 14, 2026
Declared value on file3 of 3 filingsEvery filing carries a stated value.
Repeat working relationships0 firmsFirms this one appears with on more than one project, out of 3 in total.
Permit issuance time on filings naming this firm
The San Francisco record begins March 2026. A first filing in that month means the firm was already working when the record opened, not that it started then.
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Claim this firmFrequently asked questions
How many SF projects has Spiers & Sons Inc filed?▾
PermitPipeline tracks 3 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?▾
34% of Spiers & Sons Inc's tracked San Francisco projects are in Noe Valley.
What is a typical Spiers & Sons Inc project worth?▾
Across the 3 filings that state a declared value, Spiers & Sons Inc averages $48K per filing (declared value on the permit filing, not contract value).
Which firms does Spiers & Sons Inc work with most often?▾
Spiers & Sons Inc most frequently appears on the same San Francisco permit filings as Ashley & Vance Engineering, Benchmark Engineering, Kotas/Pantaleoni Architects. 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 DOB filings.
Public aggregate — full project records are part of the paid leads product. Ranking, filing activity, project mix and geography were last recomputed Aug 14, 2026. Project counts, declared values and filing dates are read live from SF DBI filings.
Sources
San Francisco Department of Building Inspection permit filings.
Verified
Read directly from SF DBI filings.
Photography
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