Architect, San Francisco License C28796
At6 Architecture Design
The city has issued 34 of the 38 San Francisco building permits that name At6 Architecture Design since 2018. The work is mostly residential, led by home remodels. Their median plan-review permit for home remodels took 8.7 months from filing to issue, about the same as the citywide median. Their busiest neighborhoods are West of Twin Peaks, Marina and Pacific Heights.
- Also filed as
- designer, engineer
- Issued by the city
- 34 of 38 filed since 2018
- Median plan-review time, home remodels
- 8.7 mo city median 8.9 mo
- Rank for home remodels
- No. 105 of 869 by home remodels issued
- Overall rank
- No. 213 of 1,543 architects and designers
What they work on
Every San Francisco building permit with At6 Architecture Design on the record since 2018, by project type. Most filed: 27 home remodels, 6 home additions, 4 apartments and multifamily.
Residential and commercial, by permits filed
- Home remodels Residential 23 of 27 issued 71% of filings.
- Home additions Residential 6 of 6 issued 16% of filings.
- Apartments and multifamily Residential 4 of 4 issued 11% of filings.
- ADUs Residential 1 of 1 issued 3% 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
- 2023
- 8 permits filed
- Latest filing
- Apr 2026
- 89% of 38 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: 34 of 38 permits filed
All San Francisco project permits since 2018 in this data
4 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. At6 Architecture Design has 9 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.
At6 Architecture Design, home remodels
8.7months
That is about the same as the citywide median for home remodels.
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.
- 211 Peters Design-Build Inc. 34
- 212 Zon Architects 34
- 213 At6 Architecture Design 34
- 214 Davis Ko Architects 34
- 215 Bcv Architects 34
All permits issued, 1,543 architects and designers Full ranking
- 103 Wing Lee Architects 23
- 104 L.A. Paul & Associates 23
- 105 At6 Architecture Design 23
- 106 Level Design 23
- 107 Chris Sullivan 22
Home remodels issued, 869 architects and designers Home remodels ranking
Where they work
The neighborhoods where At6 Architecture Design files the most permits, and how many architects and designers count each one among their top 4 neighborhoods.
- 01 West of Twin Peaks 306 architects and designers count West of Twin Peaks among their busiest neighborhoods
- 02 Marina 211 architects and designers count Marina among their busiest neighborhoods
- 03 Pacific Heights 221 architects and designers count Pacific Heights among their busiest neighborhoods
- 04 Castro/Upper Market 206 architects and designers count Castro/Upper Market 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 At6 Architecture Design by permits issued for home remodels.
- 102 Thousand Architects 23 home remodels issued · 10.7 mo median for home remodels
- 103 Wing Lee Architects 23 home remodels issued · 8.8 mo median for home remodels
- 104 L.A. Paul & Associates 23 home remodels issued · 12.5 mo median for home remodels
- 106 Level Design 23 home remodels issued
- 107 Chris Sullivan 22 home remodels issued
- 108 Kwan Design Architects 22 home remodels issued · 13.4 mo median for home remodels
See all 869 architects and designers ranked for home remodels
- Sheet
- A-213 No. 213 of 1,543
- Drawing
- Permit record, At6 Architecture Design
- Architect, San Francisco
- License
- C28796 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 At6 Architecture Design has not paid to be listed. Project addresses are never shown.
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