Bay 9 Architects
Architecture firm · San Francisco permit activity
Architecture firm active in San Francisco construction, tracked from public building-permit filings.
#779
by SF filing activity
among SF architects & engineers, last 90 days
3
projects tracked
Jan 2025 to May 2026
1/16
active weeks
weeks with a filing (last 16)
Every Bay 9 Architects project: scopes, declared values, teams and filing history.
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$254K Castro/Upper Market renovation
Filed 2 months ago · 3 filings · Bay 9 Architects: architect
Recommencement and completion of work approved under
GC named · Engineer identified
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Inner Sunset HVAC upgrade
Filed 11 months ago · Bay 9 Architects: architect
Revision - increase in scope: addition of kitchen cabinets bedroom cabinets led core lighting, egress door from adu bedroom breakfast bar…
GC named · 1 other firm identified
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Outer Richmond renovation
Filed Feb 2025 · Bay 9 Architects: architect
Revision to to retain occupancy class (r-3) as allowed per information sheet fs-12
GC named · 1 other firm identified
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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.
3 project records for Bay 9 Architects: addresses, values, project teams
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Most recent filing: Castro/Upper Market · May 27, 2026
1 active · 0 newly observed last 90 days
Filing activity · last 16 weeks
APR
MAY
JUN
JUL
1
active projects (last 90d)
0
newly observed (last 90d)
May 2026
peak month
Project mix · by use
Residential100%
Geography · by neighborhood
Castro/Upper Market34%
Inner Sunset33%
Outer Richmond33%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Aqx Engineering Inc. | Engineering | 1 | |
| 1 | D Construction Inc | General contractor | 1 | |
| 2 | Odysseus Builders | General contractor | 1 | |
| 3 | Thomas Le Construction Inc | General contractor | 1 |
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 Bay 9 Architects filed?▾
PermitPipeline tracks 3 San Francisco building-permit projects for Bay 9 Architects (Jan 2025 to May 2026). 1 had filing activity in the last 90 days.
Does Bay 9 Architects work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Bay 9 Architects'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 Bay 9 Architects work?▾
33% of Bay 9 Architects's tracked San Francisco projects are in Castro/Upper Market.
What is a typical Bay 9 Architects project worth?▾
Across the 5 tracked projects with a declared value, Bay 9 Architects averages $51K per project (declared value on the permit filing, not contract value).
Which firms does Bay 9 Architects work with most often?▾
Bay 9 Architects most frequently appears on the same San Francisco permit filings as Thomas Le Construction Inc, Odysseus Builders, D Construction Inc. Appearing together indicates association on shared filings, not a proven working relationship.
Is Bay 9 Architects an architecture firm?▾
Bay 9 Architects 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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