Clayton Timbrell & Co is a general contractor with 34 tracked San Francisco building-permit projects on record, most recently 68 days ago. No description has been added yet — if you work here, claim this page to add one.
Filed 68 days ago
#229
by SF filing activity
among SF general contractors, 90 days to Aug 16, 2026
34
projects
from 38 filings
4/16
active weeks
weeks with a filing (16 weeks to Aug 16, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$300K Castro/Upper Market single-family renovation
Grade BFiled 2 months ago · Clayton Timbrell &: GC
No structural work. no special conditions. replace exterior door & window sashes w/ in kind to match (e). replace inswing door & fix…
GC named · 2 anticipated categories not yet filed
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$3K Presidio Heights single-family renovation
Grade DFiled 4 months ago · Clayton Timbrell &: GC
Remove & replace drywall to facilitate electrical work @ whiskey room on 4th floor will clad w/paneling. no structural (interior). remove…
GC named
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$85K Russian Hill multifamily renovation
Grade BFiled 7 months ago · Clayton Timbrell &: GC
Remodel kitchen and two baths. exploratory drywall demolition to assess existing conditions. no structural work. patch back after demolition
GC named
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31 more
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Neighborhood, filing date, scope and declared value are shown here. Exact addresses,
owner and contact details and full filing histories are part of the paid product.
34 project records for Clayton Timbrell & Co: addresses, values, project teams
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Typical project$1–$50K$3K typicalLast filed68 days agoPresidio Heights · Aug 3, 2026Last 90 days3 active3 newly filed
Filing activity · 16 weeks to Aug 16, 2026 · peak Jun 2026
APR
MAY
JUN
JUL
AUG
Project mix · by use
Residential100%
Geography · by neighborhood
Pacific Heights35%
Presidio Heights34%
Presidio16%
Russian Hill9%
Noe Valley6%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Studio Terpeluk | Architecture | 6 | |
| 2 | Butler Armsden Architects | Architecture | 3 | |
| 3 | Double -D Engineering | Engineering | 2 | |
| 4 | Mcgriff Architects | Architecture | 2 | |
| 5 | Gfds Structural Design | Engineering | 1 | |
| 1 | Add A Garage Inc. | General contractor | 3 |
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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#229San Francisco general contractors, by filing activity, 90 days to Aug 16, 2026
Declared value on file38 of 38 filingsEvery filing carries a stated value.
Repeat working relationships5 firmsFirms this one appears with on more than one project, out of 8 in total.
Frequently asked questions
How many SF projects has Clayton Timbrell & Co filed?▾
PermitPipeline tracks 34 San Francisco building-permit projects for Clayton Timbrell & Co (Jan 2025 to Aug 2026). 3 had filing activity in the last 90 days.
Does Clayton Timbrell & Co work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Clayton Timbrell & Co'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 Clayton Timbrell & Co work?▾
35% of Clayton Timbrell & Co's tracked San Francisco projects are in Pacific Heights.
What is a typical Clayton Timbrell & Co project worth?▾
Across the 38 filings that state a declared value, Clayton Timbrell & Co averages $39K per filing (declared value on the permit filing, not contract value).
Which firms does Clayton Timbrell & Co work with most often?▾
Clayton Timbrell & Co most frequently appears on the same San Francisco permit filings as Studio Terpeluk, Add A Garage Inc., Butler Armsden Architects. Appearing together indicates association on shared filings, not a proven working relationship.
Is Clayton Timbrell & Co a general contractor?▾
Clayton Timbrell & Co 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 16, 2026. Project counts, declared values and filing dates are read live from SF DBI filings.
Why does this record start in March 2026?▾
The New York City record begins March 18, 2026. A first filing in that month means the firm was already working when the record opened, not that it started then.
Why does this record start in March 2026?▾
The New York City record begins March 18, 2026. A first filing in that month means the firm was already working when the record opened, not that it started then.
Sources
San Francisco Department of Building Inspection permit filings.
Verified
Read directly from SF DBI filings.
Photography
Photographs are supplied by the firm.
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