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Architect, San Francisco License C33368

Leddy Maytum Architects

The city has issued 11 of the 11 San Francisco building permits that name Leddy Maytum Architects since 2018. The work is mostly residential, led by apartments and multifamily. Their median plan-review permit for apartments and multifamily took 22.4 months from filing to issue, 259% slower than the citywide median. Their busiest neighborhoods are Potrero Hill, Visitacion Valley and Haight Ashbury.

Also filed as
engineer
Issued by the city
11 of 11 filed since 2018
Median plan-review time, apartments and multifamily
22.4 mo city median 6.2 mo
Rank for apartments and multifamily
No. 190 of 659 by apartments and multifamily issued
Overall rank
No. 583 of 1,543 architects and designers

What they work on

Every San Francisco building permit with Leddy Maytum Architects on the record since 2018, by project type. Most filed: 8 apartments and multifamily, 3 hotels, clinics, schools and other commercial.

Residential and commercial, by permits filed

73% residential
27% commercial
Permits by project type, filed and issued
  1. Apartments and multifamily Residential 8 of 8 issued 73% of filings.
  2. Hotels, clinics, schools and other commercial Commercial 3 of 3 issued 27% 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
2025
5 permits filed
Latest filing
Jul 2026
100% of 11 issued
Permits filed per year: 2018: 0, 2019: 0, 2020: 0, 2021: 0, 2022: 3, 2023: 0, 2024: 2, 2025: 5, 2026: 1. The 2026 figure runs through October 20, 2026.

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: 11 of 11 permits filed

100%

All San Francisco project permits since 2018 in this data

93% issued

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. Leddy Maytum Architects has 5 of those across all project types; the citywide comparison is for apartments and multifamily, their most filed type, where 3,633 of 59,927 permits went through plan review and the rest were approved over the counter.

Leddy Maytum Architects, apartments and multifamily

22.4months

That is 259% slower than the citywide median for apartments and multifamily.

Median months from filing to issue for plan-review permits. Leddy Maytum Architects, apartments and multifamily: 22.4 months. San Francisco, apartments and multifamily: 6.2 months. Middle half of city permits: 2.7 to 12.3 months.
22.4 months for apartments and multifamily, faster than 9 of 104 other architects and designers ranked for apartments and multifamily that have a median for it Each circle is a firm's median for its plan-review permits for apartments and multifamily. Dashed line: the median of all San Francisco plan-review permits for apartments and multifamily, 6.2 months. Shaded: the middle half of those permits, 2.7 to 12.3 months.
0 3 6 9 12 15 18 21 24+ months Halyard Construction Inc.: 6.2 months Hkit Architects: 9.4 months Shatara Architecture: 17.7 months Xie Associates: 9.0 months Thousand Architects: 8.9 months Syncopated Architecture: 8.6 months Openscope Studio: 5.4 months Hood Thomas Architects: 13.0 months Gelfand Partners Architects: 4.5 months Gensler: 5.1 months Architects Sf: 11.4 months Arcus Architecture & Planning: 4.8 months Ssdp: 5.2 months Levy Design Partners: 9.8 months Stanton Architecture: 11.2 months Topetcher Architectural: 12.6 months Kotas/Pantaleoni Architects: 13.2 months David Baker Architects: 9.3 months Ya Studio: 8.9 months Nathan Simpson Architect: 18.5 months Jason M.J.Chan Architect: 3.2 months Jorge Carbonell Architecture: 5.1 months Troy Kashanipour: 14.6 months Rg-Architecture: 9.8 months D-Scheme Studio: 8.6 months Schaub | Li | Architects: 19.3 months Houston / Tyner: 6.9 months Beaumont & Associates: 25.2 months Cm Architects: 14.3 months Kerman Morris Architects: 13.9 months Bde Architecture: 15.9 months Tecta Associates: 12.6 months Martinkovic Milford Architects: 9.8 months Mithun Architects: 3.9 months Leavitt Architecture: 5.0 months Bar Architects: 7.6 months Peter Petruzzi Architect: 6.2 months Ottolini Booth & Associates: 13.3 months Gary Gee Architects, Inc.: 30.9 months Chris Sullivan: 11.0 months Ankrom Moisan: 6.1 months Paulett Taggart Architects: 6.2 months Dnm Architect: 9.9 months Knock Arch & Design: 12.4 months William Pashelinsky Arch.: 32.0 months Red Cloud Wireless: 5.1 months Huang Iboshi Architecture: 20.3 months Michael Harris Architecture: 9.9 months Aaron Lim Design: 9.1 months Rodgers Architecture: 11.5 months Mml Architect: 11.4 months Zachary Nathan Architect: 12.1 months Sutro Architects: 16.0 months Robles & Assocciates: 18.7 months Solomon Cordwell Buenz: 16.2 months Louis Felthouse: 24.1 months Handel Architects,Llp: 9.1 months Pacific Das: 4.6 months John Lum Architecture: 15.8 months Santos Prescott & Assoc.: 6.6 months Baukunst: 7.6 months Studio 12 Architecture: 24.2 months Harvey Hacker Architects: 15.6 months Plinth Architecture: 10.0 months Hks Architects: 7.7 months The John Stewart Company: 6.8 months Som: 9.2 months Mason Kirby Inc.: 12.0 months Rex Mclean Architects: 8.8 months Farrrell Architecture: 6.8 months Bunton Mousavi Architecture: 3.4 months Natoma Architects Inc.: 6.4 months Stan Teng Architecture Studio: 7.0 months Arquitectonica: 3.9 months Mark Cavagnero Associates: 8.8 months Page & Turnbull, Inc.: 12.7 months Perry Architectus, Inc.: 17.0 months L.A. Paul & Associates: 29.0 months Ccs Architecture: 8.3 months Field Paoli Architects: 3.0 months Dmarc Studio: 13.2 months Van Meter Williams Pollack Llp: 12.7 months Sternberg Benjamin Architects: 15.0 months Steinberg Hart: 6.4 months Sgpa Arch & Planning: 13.8 months Leddy May Tun Stacy Arch.: 2.3 months Winder Gibson Architects: 33.5 months Herman Coliver Locus Arch: 2.7 months Corbel Architects: 7.1 months Caroline Souza: 1.4 months Leddy Maytum Stacy Archi: 14.7 months Winder Gison Architects: 31.7 months Dumican Mosey Architects: 15.2 months Mavrik Studio: 6.7 months Leonardozylberberg Architect: 37.8 months Mbh: 10.2 months Interstice Architects: 9.4 months Nastaran Mousavi: 11.5 months Angela Matt Architect, Inc.: 1.4 months Century Electric: 11.7 months James Gates Architectural Corp: 5.6 months Page & Turnboll: 5.1 months Marx | Okubo Associates Inc: 4.4 months Tk Architect: 7.2 months Leddy Maytum Architects 0 3 6 9 12 15 18 21 24+ months Halyard Construction Inc.: 6.2 months Hkit Architects: 9.4 months Shatara Architecture: 17.7 months Xie Associates: 9.0 months Thousand Architects: 8.9 months Syncopated Architecture: 8.6 months Openscope Studio: 5.4 months Hood Thomas Architects: 13.0 months Gelfand Partners Architects: 4.5 months Gensler: 5.1 months Architects Sf: 11.4 months Arcus Architecture & Planning: 4.8 months Ssdp: 5.2 months Levy Design Partners: 9.8 months Stanton Architecture: 11.2 months Topetcher Architectural: 12.6 months Kotas/Pantaleoni Architects: 13.2 months David Baker Architects: 9.3 months Ya Studio: 8.9 months Nathan Simpson Architect: 18.5 months Jason M.J.Chan Architect: 3.2 months Jorge Carbonell Architecture: 5.1 months Troy Kashanipour: 14.6 months Rg-Architecture: 9.8 months D-Scheme Studio: 8.6 months Schaub | Li | Architects: 19.3 months Houston / Tyner: 6.9 months Beaumont & Associates: 25.2 months Cm Architects: 14.3 months Kerman Morris Architects: 13.9 months Bde Architecture: 15.9 months Tecta Associates: 12.6 months Martinkovic Milford Architects: 9.8 months Mithun Architects: 3.9 months Leavitt Architecture: 5.0 months Bar Architects: 7.6 months Peter Petruzzi Architect: 6.2 months Ottolini Booth & Associates: 13.3 months Gary Gee Architects, Inc.: 30.9 months Chris Sullivan: 11.0 months Ankrom Moisan: 6.1 months Paulett Taggart Architects: 6.2 months Dnm Architect: 9.9 months Knock Arch & Design: 12.4 months William Pashelinsky Arch.: 32.0 months Red Cloud Wireless: 5.1 months Huang Iboshi Architecture: 20.3 months Michael Harris Architecture: 9.9 months Aaron Lim Design: 9.1 months Rodgers Architecture: 11.5 months Mml Architect: 11.4 months Zachary Nathan Architect: 12.1 months Sutro Architects: 16.0 months Robles & Assocciates: 18.7 months Solomon Cordwell Buenz: 16.2 months Louis Felthouse: 24.1 months Handel Architects,Llp: 9.1 months Pacific Das: 4.6 months John Lum Architecture: 15.8 months Santos Prescott & Assoc.: 6.6 months Baukunst: 7.6 months Studio 12 Architecture: 24.2 months Harvey Hacker Architects: 15.6 months Plinth Architecture: 10.0 months Hks Architects: 7.7 months The John Stewart Company: 6.8 months Som: 9.2 months Mason Kirby Inc.: 12.0 months Rex Mclean Architects: 8.8 months Farrrell Architecture: 6.8 months Bunton Mousavi Architecture: 3.4 months Natoma Architects Inc.: 6.4 months Stan Teng Architecture Studio: 7.0 months Arquitectonica: 3.9 months Mark Cavagnero Associates: 8.8 months Page & Turnbull, Inc.: 12.7 months Perry Architectus, Inc.: 17.0 months L.A. Paul & Associates: 29.0 months Ccs Architecture: 8.3 months Field Paoli Architects: 3.0 months Dmarc Studio: 13.2 months Van Meter Williams Pollack Llp: 12.7 months Sternberg Benjamin Architects: 15.0 months Steinberg Hart: 6.4 months Sgpa Arch & Planning: 13.8 months Leddy May Tun Stacy Arch.: 2.3 months Winder Gibson Architects: 33.5 months Herman Coliver Locus Arch: 2.7 months Corbel Architects: 7.1 months Caroline Souza: 1.4 months Leddy Maytum Stacy Archi: 14.7 months Winder Gison Architects: 31.7 months Dumican Mosey Architects: 15.2 months Mavrik Studio: 6.7 months Leonardozylberberg Architect: 37.8 months Mbh: 10.2 months Interstice Architects: 9.4 months Nastaran Mousavi: 11.5 months Angela Matt Architect, Inc.: 1.4 months Century Electric: 11.7 months James Gates Architectural Corp: 5.6 months Page & Turnboll: 5.1 months Marx | Okubo Associates Inc: 4.4 months Tk Architect: 7.2 months Leddy Maytum Architects

9 firms with medians over 24 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 apartments and multifamily alone.

  1. 581 Kelly Manning 11
  2. 582 Klawiter 11
  3. 583 Leddy Maytum Architects 11
  4. 584 Odada 11
  5. 585 Walker & Moody Architects 11

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

  1. 188 Steinberg Hart 8
  2. 189 Sgpa Arch & Planning 8
  3. 190 Leddy Maytum Architects 8
  4. 191 Axis Architectural 8
  5. 192 Leddy May Tun Stacy Arch. 8

Apartments and multifamily issued, 659 architects and designers Apartments and multifamily ranking

Where they work

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

  1. 01 Potrero Hill 137 architects and designers count Potrero Hill among their busiest neighborhoods
  2. 02 Visitacion Valley 17 architects and designers count Visitacion Valley among their busiest neighborhoods
  3. 03 Haight Ashbury 99 architects and designers count Haight Ashbury among their busiest neighborhoods
  4. 04 Presidio Heights 129 architects and designers count Presidio Heights 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 apartments and multifamily

Firms ranked near Leddy Maytum Architects by permits issued for apartments and multifamily.

  1. 187 Eloyan Architect 8 apartments and multifamily issued
  2. 188 Steinberg Hart 8 apartments and multifamily issued · 6.4 mo median for apartments and multifamily
  3. 189 Sgpa Arch & Planning 8 apartments and multifamily issued · 13.8 mo median for apartments and multifamily
  4. 191 Axis Architectural 8 apartments and multifamily issued
  5. 192 Leddy May Tun Stacy Arch. 8 apartments and multifamily issued · 2.3 mo median for apartments and multifamily
  6. 193 Gglo Design 8 apartments and multifamily issued

See all 659 architects and designers ranked for apartments and multifamily

Sheet
A-583 No. 583 of 1,543
Drawing
Permit record, Leddy Maytum Architects
Architect, San Francisco
License
C33368 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 Leddy Maytum Architects has not paid to be listed. Project addresses are never shown.

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