Thornton Tomasetti is an architecture firm with 12 tracked San Francisco building-permit projects on record, with the latest filing in that record 38 days ago. Its filings (Jan 2025 to Oct 2026) are concentrated in Mission Bay and South of Market, 100% commercial. A typical project in the record declares $67K–$1.8M. If you work at Thornton Tomasetti, claim this page to add a description.
Filed 38 days ago
#450
by SF filing activity
among SF architects & engineers, 90 days to Nov 8, 2026
12
projects
from 43 filings
1/16
active week
weeks with a filing (16 weeks to Nov 8, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$6.6M Mission Bay commercial renovation
Active 11 months ago · 3 filings · Thornton Tomasetti: architect
Proj-25-0624; mou port: revision to add additional electrical sub-panel l-3c to in idf room 3018. ref and port
GC named · Architect identified · Engineer identified · 4 specialty contractors identified
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Mission Bay commercial renovation
Grade DActive 4 months ago · 13 filings · Thornton Tomasetti: architect
Assembly permit associated…
GC named · Architect identified · 2 Design firms identified · Engineer identified · 2 specialty contractors identified
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$32.5M Mission Bay tenant improvement
Active 10 months ago · Thornton Tomasetti: architect
Proj-25-625; mou port. tenant improvement on 5th, 6th, 7th & 8th floor in (e) 8 story office building. imporvements to include arch, mep…
No GC named · Architect identified · Engineer 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.
12 project records for Thornton Tomasetti: addresses, values, project teams
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Typical project$67K–$1.8M$172K typical9.9× the SF median ($17K)Last filed38 days agoMission Bay · Oct 2, 2026Last 90 days1 active1 newly filed
Filing activity · 16 weeks to Nov 8, 2026 · peak Sep 2026
JUL
AUG
SEP
OCT
NOV
Project mix · by use
Commercial100%
Geography · by neighborhood
Mission Bay75%
South of Market17%
Financial District/South Beach8%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Gensler | Architecture | 7 | |
| 2 | Studios Architecture | Architecture | 3 | |
| 3 | California Electric Design | Engineering | 2 | |
| 4 | Meyers+ Engineers | Engineering | 1 | |
| 5 | Perkins&Will | Architecture | 1 | |
| 1 | Principal Builders Inc. | General contractor | 7 | |
| 2 | R L H Fire Protection Inc | General contractor | 5 | |
| 3 | Siemans Building Technology | General contractor | 4 | |
| 4 | Pioneer Fire Inc. | General contractor | 1 | |
| 5 | Skyline Construction | General contractor | 1 |
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Firms that appear on the same San Francisco permit filings. Association on shared filings, not a proven working relationship.
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State licenseCalifornia architect #S6051On 2 of this firm's filings. Architect licenses are held by individuals, not by firms.
Repeat working relationships6 firmsFirms this one appears with on more than one project, out of 16 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does Thornton Tomasetti appear on?▾
PermitPipeline tracks 12 San Francisco building-permit projects for Thornton Tomasetti (Jan 2025 to Oct 2026). 1 had filing activity in the last 90 days.
Does Thornton Tomasetti work on commercial or residential projects?▾
Across its tracked San Francisco filings, 100% of Thornton Tomasetti's projects are commercial and 0% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Thornton Tomasetti work?▾
75% of Thornton Tomasetti's tracked San Francisco projects are in Mission Bay.
What is a typical Thornton Tomasetti project worth?▾
The median declared value across the 12 San Francisco projects Thornton Tomasetti has on record that state one is $172K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Thornton Tomasetti?▾
Thornton Tomasetti most frequently appears on the same San Francisco permit filings as Gensler, Principal Builders Inc., R L H Fire Protection Inc. Appearing together indicates association on shared filings, not a proven working relationship.
Is Thornton Tomasetti an architecture firm?▾
Thornton Tomasetti is listed as an architecture firm 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 8, 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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