Cass Calder Smith
Architecture firm · San Francisco permit activity
Architecture firm active in San Francisco construction, tracked from public building-permit filings.
#549
by NYC filing activity
among NYC architects & engineers, last 90 days
7
project records
Apr 2025 to Jun 2026
1/16
active weeks
weeks with a filing (last 16)
7 projects
Scopes, declared values and this firm's role on each one
See 7 projects involving Cass Calder Smith
Recent projects involving this firm
Marina
Revision to pa#202211015684. reduction in demo scope and structural framing scope at level 2 &…
$200K
Mission Bay
Exterior improvement of entrance stair of an (e) office bldg. reconstruction of entry stair &…
$125K
Chinatown
To demolish 1 story, no basement 2 units residential building
$12K
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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7 project records for Cass Calder Smith: addresses, values, project teams
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Middle 50% of declared values: $21K–$200K (median $75K)
Most recent filing: Marina · Jun 18, 2026
1 active · 1 newly observed last 90 days
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Filing activity · last 16 weeks
APR
MAY
JUN
JUL
1
active projects (last 90d)
1
newly observed (last 90d)
Jun 2026
peak month
Project mix · by use
Commercial43%
Residential57%
Geography · by borough
Chinatown43%
Marina29%
Mission Bay28%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Double -D Engineering | Engineering | 2 | |
| 2 | Nabih Youssef | Engineering | 1 | |
| 3 | Nabih Youssef Associates | Engineering | 1 | |
| 4 | Nabin Yousseff Associates | Engineering | 1 | |
| 5 | United Mechanical Inc. | Architecture | 1 | |
| 1 | Hathaway Dinwiddie Co. | General contractor | 2 |
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 Cass Calder Smith filed?▾
PermitPipeline tracks 7 San Francisco building-permit projects for Cass Calder Smith (Apr 2025 to Jun 2026). 1 had filing activity in the last 90 days.
Does Cass Calder Smith work on commercial or residential projects?▾
Across its tracked San Francisco filings, 43% of Cass Calder Smith's projects are commercial and 57% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Cass Calder Smith work?▾
43% of Cass Calder Smith's tracked San Francisco projects are in Chinatown.
What is a typical Cass Calder Smith project worth?▾
Across the 8 tracked projects with a declared value, Cass Calder Smith averages $2.0M per project (declared value on the permit filing, not contract value).
Which firms does Cass Calder Smith work with most often?▾
Cass Calder Smith most frequently appears on the same San Francisco permit filings as Double -D Engineering, Hathaway Dinwiddie Co., Nabih Youssef. Appearing together indicates association on shared filings, not a proven working relationship.
Is Cass Calder Smith an architecture firm?▾
Cass Calder Smith 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 DOB filings.
Public aggregate — full project records are part of the paid leads product. Updated daily from SF DBI filings.
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