Clayton Timbrell & Co
General contractor · San Francisco permit activity
General contractor active in San Francisco construction, tracked from public building-permit filings.
#178
by NYC filing activity
among NYC general contractors, last 90 days
33
project records
Jan 2025 to Jun 2026
4/16
active weeks
weeks with a filing (last 16)
33 projects
Scopes, declared values and this firm's role on each one
See 33 projects involving Clayton Timbrell &
Recent projects involving this firm
Castro/Upper Market
No structural work. no special conditions. replace exterior door & window sashes w/ in kind to…
$300K
Presidio Heights
Remove & replace drywall to facilitate electrical work @ whiskey room on 4th floor will clad…
$3K
Pacific Heights
To obtain final inspection for work approved under pa# 202304065224 & 202403218376. all work is…
$1
Neighbourhood, filing date, scope and declared value are shown here. Exact addresses, full filing histories and project teams are part of the paid product.
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33 project records for Clayton Timbrell &: addresses, values, project teams
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Middle 50% of declared values: $1–$50K (median $3K)
Most recent filing: Castro/Upper Market · Jun 23, 2026
4 active · 4 newly observed last 90 days
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Filing activity · last 16 weeks
APR
MAY
JUN
JUL
4
active projects (last 90d)
4
newly observed (last 90d)
Jun 2026
peak month
Project mix · by use
Residential100%
Geography · by borough
Pacific Heights36%
Presidio Heights32%
Presidio16%
Russian Hill10%
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 | Hom Pisano | Engineering | 1 | |
| 5 | Hom & Pisano Engineering Inc. | Engineering | 1 | |
| 1 | Add A Garage Inc. | General contractor | 3 |
Firms that appear on the same San Francisco permit filings. Association on shared filings, not a proven working relationship.
Frequently asked questions
How many SF projects has Clayton Timbrell & Co filed?▾
PermitPipeline tracks 33 San Francisco building-permit projects for Clayton Timbrell & Co (Jan 2025 to Jun 2026). 4 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?▾
33% of Clayton Timbrell & Co's tracked San Francisco projects are in Pacific Heights.
What is a typical Clayton Timbrell & Co project worth?▾
Across the 37 tracked projects with a declared value, Clayton Timbrell & Co averages $39K per project (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. Updated daily from SF DBI filings.
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