Cass Calder Smith
Architecture firm · San Francisco permit activity
Architecture firm active in San Francisco construction, tracked from public building-permit filings.
#549
by SF filing activity
among SF architects & engineers, last 90 days
7
projects tracked
Apr 2025 to Jun 2026
1/16
active weeks
weeks with a filing (last 16)
Every Cass Calder Smith project: scopes, declared values, teams and filing history.
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$200K Marina renovation
Filed 1 month ago · Cass Calder Smith: architect
Revision to. reduction in demolition scope and structural framing scope at level 2 & 3 living, dining and kitchen area. addition of sauna…
No GC named · Engineer identified
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$15.3M Mission Bay renovation
Filed 8 months ago · 2 filings · Cass Calder Smith: architect
Revision to additition of a restaurant bar with associated revisions to the food service layout, equipment, & mep systems. exterior work…
GC named · Architect identified · 4 engineers identified
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$125K Mission Bay renovation
Filed 4 months ago · Cass Calder Smith: architect
Exterior improvement of entrance stair of an (e) office bldg. reconstruction of entry stair & new integrated planters. no work effect…
GC named · Engineer identified
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4 more
Cass Calder Smith projects with project intelligence
Scopes, values, teams and filing history for every one
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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.
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
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 neighborhood
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 Hathaway Dinwiddie Co., Double -D Engineering, United Mechanical Inc.. 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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