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Architect, San Francisco License C22892

Drsa

The city has issued 52 of the 61 San Francisco building permits that name Drsa since 2018. The work is mostly commercial, led by offices. Their median plan-review permit, across all project types, took 17.4 months from filing to issue. Their busiest neighborhoods are Financial District/South Beach, South of Market and Mission.

Also filed as
engineer
Issued by the city
52 of 61 filed since 2018
Median plan-review time, all types
17.4 mo filing to issue
Rank for offices
No. 48 of 372 by offices issued
Overall rank
No. 125 of 1,543 architects and designers

What they work on

Every San Francisco building permit with Drsa on the record since 2018, by project type. Most filed: 27 offices, 12 hotels, clinics, schools and other commercial, 10 retail and shops.

Residential and commercial, by permits filed

20% residential
80% commercial
Permits by project type, filed and issued
  1. Offices Commercial 24 of 27 issued 44% of filings.
  2. Hotels, clinics, schools and other commercial Commercial 8 of 12 issued 20% of filings.
  3. Retail and shops Commercial 9 of 10 issued 16% of filings.
  4. Apartments and multifamily Residential 5 of 6 issued 10% of filings.
  5. Home remodels Residential 5 of 5 issued 8% of filings.
  6. Home additions Residential 1 of 1 issued 2% 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
2019
17 permits filed
Latest filing
Aug 2025
85% of 61 issued
Permits filed per year: 2018: 13, 2019: 17, 2020: 2, 2021: 5, 2022: 10, 2023: 7, 2024: 6, 2025: 1, 2026: 0. The 2026 figure runs through October 20, 2026.

One building per year, its height the permits filed. Each floor line marks 5 permits; the 2026 building is dashed because it counts permits filed through October 20, 2026.

Issued by the city: 52 of 61 permits filed

85%

All San Francisco project permits since 2018 in this data

93% issued

9 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. Drsa has 8 of those across all project types; the citywide comparison is for offices, their most filed type, where 1,360 of 26,216 permits went through plan review and the rest were approved over the counter.

Drsa, all project types

17.4months

Median months from filing to issue for plan-review permits. Drsa, all project types: 17.4 months. San Francisco, offices: 3.9 months. Middle half of city permits: 1.8 to 8.1 months.
45 other architects and designers ranked for offices have a median for it; Drsa has fewer than 3 issued plan-review permits for offices with usable dates Each circle is a firm's median for its plan-review permits for offices. Dashed line: the median of all San Francisco plan-review permits for offices, 3.9 months. Shaded: the middle half of those permits, 1.8 to 8.1 months.
0 3 6 9 12 15+ months Revel Architecture & Design: 4.9 months Huntsman: 6.6 months Gensler: 5.4 months Rmw: 3.5 months Asd | Sky: 2.6 months Brereton Architects: 3.4 months Forge Architecture: 8.2 months Smith Group: 2.7 months Studios Architecture: 7.2 months Costa Brown Architecture: 12.1 months Ia Interior Architects: 7.7 months Rapt Studio: 9.6 months Som: 2.4 months Msa Architecture+Design: 5.0 months Perkins & Will: 5.1 months Tmda: 2.6 months Woods Bagot: 4.2 months Maccracken Architects: 19.3 months Dowler Gruman Architects: 6.5 months Hok: 4.9 months Gensler Architect: 5.9 months Quezada Architecture Inc: 6.4 months Mbh Architects: 14.7 months Michael Castro: 5.5 months Tef Design: 13.6 months Wrns Studio: 8.1 months Russell + Lopes Architects: 7.5 months Vocon: 5.1 months Bohlin Cywinski Jackson: 10.3 months Mbh: 3.7 months Shubin Donaldson: 5.4 months Polytech Assoicates: 2.5 months Mithun: 4.3 months Archtectural Resources Group: 4.1 months Brick: 4.6 months Ssdp: 5.2 months Studio Architecture: 14.9 months Page & Turnbull, Inc.: 8.5 months Red Cloud Wireless: 5.5 months Stantec Architecture Inc.: 18.6 months Pacific Das: 2.3 months Natoma Architects Inc.: 10.3 months Atelier 424: 2.6 months Studio Gang Architects: 2.9 months Owow Design: 4.3 months 0 3 6 9 12 15+ months Revel Architecture & Design: 4.9 months Huntsman: 6.6 months Gensler: 5.4 months Rmw: 3.5 months Asd | Sky: 2.6 months Brereton Architects: 3.4 months Forge Architecture: 8.2 months Smith Group: 2.7 months Studios Architecture: 7.2 months Costa Brown Architecture: 12.1 months Ia Interior Architects: 7.7 months Rapt Studio: 9.6 months Som: 2.4 months Msa Architecture+Design: 5.0 months Perkins & Will: 5.1 months Tmda: 2.6 months Woods Bagot: 4.2 months Maccracken Architects: 19.3 months Dowler Gruman Architects: 6.5 months Hok: 4.9 months Gensler Architect: 5.9 months Quezada Architecture Inc: 6.4 months Mbh Architects: 14.7 months Michael Castro: 5.5 months Tef Design: 13.6 months Wrns Studio: 8.1 months Russell + Lopes Architects: 7.5 months Vocon: 5.1 months Bohlin Cywinski Jackson: 10.3 months Mbh: 3.7 months Shubin Donaldson: 5.4 months Polytech Assoicates: 2.5 months Mithun: 4.3 months Archtectural Resources Group: 4.1 months Brick: 4.6 months Ssdp: 5.2 months Studio Architecture: 14.9 months Page & Turnbull, Inc.: 8.5 months Red Cloud Wireless: 5.5 months Stantec Architecture Inc.: 18.6 months Pacific Das: 2.3 months Natoma Architects Inc.: 10.3 months Atelier 424: 2.6 months Studio Gang Architects: 2.9 months Owow Design: 4.3 months

2 firms with medians over 15 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 offices alone.

  1. 123 Mithun Architects 53
  2. 124 Edw. Lee Hammack, Architect 52
  3. 125 Drsa 52
  4. 126 Edit 52
  5. 127 Arl Design 52

All permits issued, 1,543 architects and designers Full ranking

  1. 46 Mark Horton Architecture 25
  2. 47 Johnstonmarklee 25
  3. 48 Drsa 24
  4. 49 Mithun Architects 23
  5. 50 Saa 23

Offices issued, 372 architects and designers Offices ranking

Where they work

The neighborhoods where Drsa files the most permits, and how many architects and designers count each one among their top 4 neighborhoods.

  1. 01 Financial District/South Beach 386 architects and designers count Financial District/South Beach among their busiest neighborhoods
  2. 02 South of Market 216 architects and designers count South of Market among their busiest neighborhoods
  3. 03 Mission 381 architects and designers count Mission among their busiest neighborhoods
  4. 04 Hayes Valley 106 architects and designers count Hayes Valley among their busiest neighborhoods

Questions for the first call

  1. Which of your recent San Francisco permits are closest to my project in type, size and neighborhood, and can I see the permit numbers?
  2. How long did those permits take from filing to issue, and what did plan check send back?
  3. Who on your team draws the set, who stamps it, and who answers the city's comments?

Other architects and designers for offices

Firms ranked near Drsa by permits issued for offices.

  1. 44 Michael Zucker & Associates 26 offices issued
  2. 45 Tecta Associates 25 offices issued
  3. 46 Mark Horton Architecture 25 offices issued
  4. 49 Mithun Architects 23 offices issued
  5. 50 Saa 23 offices issued
  6. 53 Studio Tmt 22 offices issued

See all 372 architects and designers ranked for offices

Sheet
A-125 No. 125 of 1,543
Drawing
Permit record, Drsa
Architect, San Francisco
License
C22892 check with CAB
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 Drsa has not paid to be listed. Project addresses are never shown.

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