Architect, Fairfax License C31785
Tristan Warren Architect
The city has issued 14 of the 16 San Francisco building permits that name Tristan Warren Architect since 2018. The work is mostly residential, led by home remodels. Their busiest neighborhoods are Glen Park, Seacliff and Lone Mountain/USF.
- Issued by the city
- 14 of 16 filed since 2018
- Rank for home remodels
- No. 233 of 869 by home remodels issued
- Overall rank
- No. 461 of 1,543 architects and designers
- Commercial share
- 0% last filing Mar 2026
What they work on
Every San Francisco building permit with Tristan Warren Architect on the record since 2018, by project type. Most filed: 12 home remodels, 2 home additions, 2 apartments and multifamily.
Residential and commercial, by permits filed
- Home remodels Residential 11 of 12 issued 75% of filings.
- Home additions Residential 1 of 2 issued 13% of filings.
- Apartments and multifamily Residential 2 of 2 issued 13% of filings.
Permits over time
Permits filed each year, drawn as a street with one building per year, and how many of all their permits the city has issued.
- Busiest year
- 2024
- 6 permits filed
- Latest filing
- Mar 2026
- 88% of 16 issued
One building per year, its height the permits filed. Each floor line marks 1 permit; the 2026 building is dashed because it counts permits filed through October 20, 2026.
Issued by the city: 14 of 16 permits filed
All San Francisco project permits since 2018 in this data
2 not issued as of October 20, 2026. Source: SF Department of Building Inspection permits via DataSF.
How fast their permits come through
Filing to issue for permits that went through plan review. Tristan Warren Architect has 4 of those across all project types; the citywide comparison is for home remodels, their most filed type, where 3,361 of 93,498 permits went through plan review and the rest were approved over the counter.
No median yet: fewer than 3 issued plan-review permits with usable dates.
12 firms with medians over 18 months are drawn at the right edge.
Where they rank
Ranked by permits the city has issued since 2018, first across every project type, then for home remodels alone.
- 459 Schwartz & Architecture 14
- 460 Thomas Works A+D 14
- 461 Tristan Warren Architect 14
- 462 Yogesh Chitlangia Architect 14
- 463 Crome Architecture 14
All permits issued, 1,543 architects and designers Full ranking
- 231 Fougeron Architecture 11
- 232 07 Studios 11
- 233 Tristan Warren Architect 11
- 234 Alan Martinez Architect 11
- 235 Knock Architecture 11
Home remodels issued, 869 architects and designers Home remodels ranking
Where they work
The neighborhoods where Tristan Warren Architect files the most permits, and how many architects and designers count each one among their top 4 neighborhoods.
- 01 Glen Park 88 architects and designers count Glen Park among their busiest neighborhoods
- 02 Seacliff 47 architects and designers count Seacliff among their busiest neighborhoods
- 03 Lone Mountain/USF 82 architects and designers count Lone Mountain/USF among their busiest neighborhoods
- 04 Hayes Valley 106 architects and designers count Hayes Valley among their busiest neighborhoods
Questions for the first call
- Which of your recent San Francisco permits are closest to my project in type, size and neighborhood, and can I see the permit numbers?
- How long did those permits take from filing to issue, and what did plan check send back?
- Who on your team draws the set, who stamps it, and who answers the city's comments?
Other architects and designers for home remodels
Firms ranked near Tristan Warren Architect by permits issued for home remodels.
- 230 Yung Chen 11 home remodels issued · 25.2 mo median for home remodels
- 231 Fougeron Architecture 11 home remodels issued
- 232 07 Studios 11 home remodels issued · 16.1 mo median for home remodels
- 235 Knock Architecture 11 home remodels issued
- 236 Tim Li 11 home remodels issued
- 238 Michael Harris Architecture 10 home remodels issued
See all 869 architects and designers ranked for home remodels
- Sheet
- A-461 No. 461 of 1,543
- Drawing
- Permit record, Tristan Warren Architect
- Architect, Fairfax
- License
- C31785 check with CAB
- Source
- San Francisco DBI building permits, since 2018
- Data as of
- Oct 2026
- Scale
- Not to scale
Built only from public San Francisco Department of Building Inspection records (permits, permit contacts), updated 2026-10-20. It is not a review or an endorsement, and Tristan Warren Architect has not paid to be listed. Project addresses are never shown.
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