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Architect, San Francisco License C25678

Costa Brown Architecture

The city has issued 132 of the 140 San Francisco building permits that name Costa Brown Architecture since 2018. The work is mostly commercial, led by offices. Their median plan-review permit for offices took 12.1 months from filing to issue, 211% slower than the citywide median. Their busiest neighborhoods are South of Market, Chinatown and Financial District/South Beach.

Also filed as
engineer
Issued by the city
132 of 140 filed since 2018
Median plan-review time, offices
12.1 mo city median 3.9 mo
Rank for offices
No. 13 of 372 by offices issued
Overall rank
No. 35 of 1,543 architects and designers

What they work on

Every San Francisco building permit with Costa Brown Architecture on the record since 2018, by project type. Most filed: 88 offices, 30 hotels, clinics, schools and other commercial, 11 home remodels.

Residential and commercial, by permits filed

15% residential
85% commercial
Permits by project type, filed and issued
  1. Offices Commercial 85 of 88 issued 63% of filings.
  2. Hotels, clinics, schools and other commercial Commercial 27 of 30 issued 21% of filings.
  3. Home remodels Residential 11 of 11 issued 8% of filings.
  4. Apartments and multifamily Residential 3 of 5 issued 4% of filings.
  5. ADUs Residential 3 of 3 issued 2% of filings.
  6. Home additions Residential 2 of 2 issued 1% of filings.
  7. Retail and shops Commercial 1 of 1 issued 1% 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
24 permits filed
Latest filing
Sep 2026
94% of 140 issued
Permits filed per year: 2018: 16, 2019: 17, 2020: 10, 2021: 15, 2022: 21, 2023: 24, 2024: 12, 2025: 9, 2026: 16. 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: 132 of 140 permits filed

94%

All San Francisco project permits since 2018 in this data

93% issued

8 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. Costa Brown Architecture has 19 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.

Costa Brown Architecture, offices

12.1months

That is 211% slower than the citywide median for offices.

Median months from filing to issue for plan-review permits. Costa Brown Architecture, offices: 12.1 months. San Francisco, offices: 3.9 months. Middle half of city permits: 1.8 to 8.1 months.
12.1 months for offices, faster than 5 of 44 other architects and designers ranked for offices that have a median for it 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 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 Costa Brown Architecture 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 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 Costa Brown Architecture

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. 33 Kotas/Pantaleoni Architects 134
  2. 34 Basis Architecture 134
  3. 35 Costa Brown Architecture 132
  4. 36 Constructive Solutions 130
  5. 37 Aaron Lim Design 123

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

  1. 11 Fme Architecture 92
  2. 12 Studios Architecture 92
  3. 13 Costa Brown Architecture 85
  4. 14 Ia Interior Architects 83
  5. 15 Fennie & Mehl Architects 70

Offices issued, 372 architects and designers Offices ranking

Where they work

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

  1. 01 South of Market 216 architects and designers count South of Market among their busiest neighborhoods
  2. 02 Chinatown 127 architects and designers count Chinatown among their busiest neighborhoods
  3. 03 Financial District/South Beach 386 architects and designers count Financial District/South Beach among their busiest neighborhoods
  4. 04 Inner Sunset 151 architects and designers count Inner Sunset 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 Costa Brown Architecture by permits issued for offices.

  1. 10 Smith Group 97 offices issued · 2.7 mo median for offices
  2. 11 Fme Architecture 92 offices issued
  3. 12 Studios Architecture 92 offices issued · 7.2 mo median for offices
  4. 14 Ia Interior Architects 83 offices issued · 7.7 mo median for offices
  5. 15 Fennie & Mehl Architects 70 offices issued
  6. 16 Rapt Studio 69 offices issued · 9.6 mo median for offices

See all 372 architects and designers ranked for offices

Sheet
A-035 No. 35 of 1,543
Drawing
Permit record, Costa Brown Architecture
Architect, San Francisco
License
C25678 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 Costa Brown Architecture has not paid to be listed. Project addresses are never shown.

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