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Engineer, Sf License M34738

Flack + Lirtz

The city has issued 13 of the 14 San Francisco building permits that name Flack + Lirtz since 2018. The work is mostly commercial, led by offices. Their busiest neighborhoods are Financial District/South Beach and Golden Gate Park.

Issued by the city
13 of 14 filed since 2018
Rank for offices
No. 74 of 375 by offices issued
Overall rank
No. 332 of 1,146 engineers
Commercial share
100% last filing Oct 2025

What they work on

Every San Francisco building permit with Flack + Lirtz on the record since 2018, by project type. Most filed: 13 offices, 1 restaurants and bars.

Residential and commercial, by permits filed

100% commercial
Permits by project type, filed and issued
  1. Offices Commercial 12 of 13 issued 93% of filings.
  2. Restaurants and bars Commercial 1 of 1 issued 7% 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
5 permits filed
Latest filing
Oct 2025
93% of 14 issued
Permits filed per year: 2018: 0, 2019: 0, 2020: 0, 2021: 1, 2022: 1, 2023: 3, 2024: 5, 2025: 4, 2026: 0. 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: 13 of 14 permits filed

93%

All San Francisco project permits since 2018 in this data

93% issued

1 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. Flack + Lirtz has 1 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.

No median yet: fewer than 3 issued plan-review permits with usable dates.

Median months from filing to issue for plan-review permits. San Francisco, offices: 3.9 months. Middle half of city permits: 1.8 to 8.1 months.
41 other engineers ranked for offices 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+ months Decker Electric: 3.6 months Ar&B, Inc.: 4.5 months Amit Wadhwa & Associates: 2.6 months Levi Abarte: 9.1 months A G E Consulting: 3.8 months Murphy Burr Curry Inc.: 3.5 months Glumac: 13.6 months Mhc Engineers: 8.4 months Rivera Consulting Group Inc: 3.5 months Randall Lamb Assoc: 6.6 months Allied Heating & Air Condition: 2.6 months Degenkolb Engineers: 2.5 months Acg Engineers Inc: 8.9 months Streamline Engineering: 6.8 months Alfatech: 2.9 months Pragmatic: 6.6 months Tipping Structural Engineers: 4.0 months Interlocity: 5.0 months Nabih Youssef Associats: 4.0 months Pae: 6.0 months Salas O'brien: 6.6 months Randall Lamb Engineers: 12.6 months Meyers+Engineers: 8.1 months Simpson Gumpertz & Heger: 9.5 months Zfa Structural Engineers: 11.7 months Kpff: 8.1 months Aj Miller And Associates: 3.3 months Gfds Engineers: 9.4 months Erwin O'toole: 4.7 months Sfdpw: 11.7 months Kris Johnson: 5.5 months Skidmoe Owings & Merrill: 4.6 months Bkf Engineers: 6.5 months Summit Engineering Inc: 7.5 months Mahmoud Maamouri: 3.7 months Edci Engineers: 9.4 months Cmt: 9.4 months Nexius Solutions Inc: 8.4 months Colebreit Engineeering: 9.4 months Arcadia Inc: 5.5 months Freyer And Laureta: 1.0 months 0 3 6 9 12+ months Decker Electric: 3.6 months Ar&B, Inc.: 4.5 months Amit Wadhwa & Associates: 2.6 months Levi Abarte: 9.1 months A G E Consulting: 3.8 months Murphy Burr Curry Inc.: 3.5 months Glumac: 13.6 months Mhc Engineers: 8.4 months Rivera Consulting Group Inc: 3.5 months Randall Lamb Assoc: 6.6 months Allied Heating & Air Condition: 2.6 months Degenkolb Engineers: 2.5 months Acg Engineers Inc: 8.9 months Streamline Engineering: 6.8 months Alfatech: 2.9 months Pragmatic: 6.6 months Tipping Structural Engineers: 4.0 months Interlocity: 5.0 months Nabih Youssef Associats: 4.0 months Pae: 6.0 months Salas O'brien: 6.6 months Randall Lamb Engineers: 12.6 months Meyers+Engineers: 8.1 months Simpson Gumpertz & Heger: 9.5 months Zfa Structural Engineers: 11.7 months Kpff: 8.1 months Aj Miller And Associates: 3.3 months Gfds Engineers: 9.4 months Erwin O'toole: 4.7 months Sfdpw: 11.7 months Kris Johnson: 5.5 months Skidmoe Owings & Merrill: 4.6 months Bkf Engineers: 6.5 months Summit Engineering Inc: 7.5 months Mahmoud Maamouri: 3.7 months Edci Engineers: 9.4 months Cmt: 9.4 months Nexius Solutions Inc: 8.4 months Colebreit Engineeering: 9.4 months Arcadia Inc: 5.5 months Freyer And Laureta: 1.0 months

2 firms with medians over 12 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. 330 P&D Engineering Solutions 13
  2. 331 Brierley Associates 13
  3. 332 Flack + Lirtz 13
  4. 333 Gregory Miller Structural Eng. 13
  5. 334 Pka Engineers 13

All permits issued, 1,146 engineers Full ranking

  1. 72 Holmes Structural 12
  2. 73 Pae Engineers 12
  3. 74 Flack + Lirtz 12
  4. 75 Ama Consulting Engineers 12
  5. 76 Gfds Engineers 11

Offices issued, 375 engineers

Where they work

The neighborhoods where Flack + Lirtz files the most permits, and how many engineers count each one among their top 4 neighborhoods.

  1. 01 Financial District/South Beach 386 engineers count Financial District/South Beach among their busiest neighborhoods
  2. 02 Golden Gate Park 12 engineers count Golden Gate Park 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 engineers for offices

Firms ranked near Flack + Lirtz by permits issued for offices.

  1. 62 Imeg 15 offices issued
  2. 64 Zfa Structural Engineers 14 offices issued · 11.7 mo median for offices
  3. 68 Kpff 13 offices issued · 8.1 mo median for offices
  4. 76 Gfds Engineers 11 offices issued · 9.4 mo median for offices
  5. 79 Anderson & Rowe & Buckey 11 offices issued
  6. 81 Ftf Engineering Inc. 10 offices issued
Sheet
S-332 No. 332 of 1,146
Drawing
Permit record, Flack + Lirtz
Engineer, Sf
License
M34738 check with BPELSG
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 Flack + Lirtz has not paid to be listed. Project addresses are never shown.

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