Clayton Timbrell & Co is a general contractor with 42 tracked San Francisco building-permit projects on record, with the latest filing in that record 16 days ago. Its filings (Jan 2025 to Oct 2026) are concentrated in Pacific Heights and Presidio Heights, 100% residential. A typical project in the record declares $1–$40K. If you work at Clayton Timbrell & Co, claim this page to add a description.
Filed 16 days ago
#39
by SF filing activity
among SF general contractors, 90 days to Nov 1, 2026
42
projects
from 62 filings
4/16
active weeks
weeks with a filing (16 weeks to Nov 1, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$300K Castro/Upper Market single-family renovation
Grade BActive 3 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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$21K Presidio Heights single-family renovation
Grade DActive 2 months ago · Clayton Timbrell &: GC
To comply with notice of correction dated 5/12/26 replace stairs @ rear yard as means of egress
GC named · Architect identified · Engineer identified
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$3K Presidio Heights single-family renovation
Grade DActive 5 months ago · Clayton Timbrell &: GC
Remodel of a single room, including adding and relocating outlet locations, as well as adding new lighting
GC named · 2 specialty contractors identified
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Neighborhood, filing date, scope and declared value are shown here. Exact addresses,
owner names and mailing addresses, and full filing histories are part of the paid product.
42 project records for Clayton Timbrell & Co: addresses, values, project teams
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Typical project$1–$40K$5K typical29% of the SF median ($17K)Last filed16 days agoPacific Heights · Oct 23, 2026Last 90 days9 active9 newly filed
Filing activity · 16 weeks to Nov 1, 2026 · peak Oct 2026
JUL
AUG
SEP
OCT
Project mix · by use
Residential100%
Geography · by neighborhood
Pacific Heights45%
Presidio Heights30%
Presidio13%
Russian Hill7%
Noe Valley5%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Studio Terpeluk | Architecture | 6 | |
| 2 | Butler Armsden Architects | Architecture | 4 | |
| 3 | Double -D Engineering | Engineering | 2 | |
| 4 | Mcgriff Architects | Architecture | 2 | |
| 5 | GFDS Structural Design | Engineering | 1 | |
| 1 | Brian Fusco Plumbing | Plumbing contractor | 4 | |
| 2 | Add A Garage Inc. | General contractor | 3 | |
| 3 | R C A Electric Inc | General contractor | 3 | |
| 4 | Luminalt Energy Corporation | General contractor | 1 | |
| 5 | City Front Plumbing Inc | Plumbing 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 #897643As filed on 11 permits
Repeat working relationships7 firmsFirms this one appears with on more than one project, out of 17 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does Clayton Timbrell & Co appear on?▾
PermitPipeline tracks 42 San Francisco building-permit projects for Clayton Timbrell & Co (Jan 2025 to Oct 2026). 9 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?▾
45% of Clayton Timbrell & Co's tracked San Francisco projects are in Pacific Heights.
What is a typical Clayton Timbrell & Co project worth?▾
The median declared value across the 42 San Francisco projects Clayton Timbrell & Co has on record that state one is $5K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Clayton Timbrell & Co?▾
Clayton Timbrell & Co most frequently appears on the same San Francisco permit filings as Studio Terpeluk, Butler Armsden Architects, Brian Fusco Plumbing. 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 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 Nov 1, 2026. Project counts, declared values and filing dates are read live from SF DBI filings.
How far back does this record go?▾
This page covers the recent permit record, not the firm’s full history. A firm’s earliest filing here means it was already working when our record opens, not that it started then.
Sources
San Francisco Department of Building Inspection permit filings.
Record source
Read directly from SF DBI filings.
Photography
None are shown until the firm supplies them.
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