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Engineer, San Francisco License C84331

Degenkolb Engineers

The city has issued 143 of the 149 San Francisco building permits that name Degenkolb Engineers since 2018. The work is a mix of residential and commercial, led by offices. Their median plan-review permit for offices took 2.5 months from filing to issue, 35% faster than the citywide median. Their busiest neighborhoods are Financial District/South Beach, Chinatown and Mission.

Also filed as
architect
Issued by the city
143 of 149 filed since 2018
Median plan-review time, offices
2.5 mo city median 3.9 mo
Rank for offices
No. 22 of 375 by offices issued
Overall rank
No. 45 of 1,146 engineers

What they work on

Every San Francisco building permit with Degenkolb Engineers on the record since 2018, by project type. Most filed: 58 offices, 44 home remodels, 33 apartments and multifamily.

Residential and commercial, by permits filed

53% residential
47% commercial
Permits by project type, filed and issued
  1. Offices Commercial 53 of 58 issued 39% of filings.
  2. Home remodels Residential 44 of 44 issued 30% of filings.
  3. Apartments and multifamily Residential 32 of 33 issued 22% of filings.
  4. Hotels, clinics, schools and other commercial Commercial 8 of 8 issued 5% of filings.
  5. Restaurants and bars Commercial 3 of 3 issued 2% of filings.
  6. Home additions Residential 1 of 1 issued 1% of filings.
  7. ADUs Residential 1 of 1 issued 1% of filings.
  8. 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
34 permits filed
Latest filing
Oct 2026
96% of 149 issued
Permits filed per year: 2018: 3, 2019: 13, 2020: 3, 2021: 12, 2022: 30, 2023: 34, 2024: 15, 2025: 14, 2026: 25. 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: 143 of 149 permits filed

96%

All San Francisco project permits since 2018 in this data

93% issued

6 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. Degenkolb Engineers has 23 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.

Degenkolb Engineers, offices

2.5months

That is 35% faster than the citywide median for offices.

Median months from filing to issue for plan-review permits. Degenkolb Engineers, offices: 2.5 months. San Francisco, offices: 3.9 months. Middle half of city permits: 1.8 to 8.1 months.
2.5 months for offices, faster than 39 of 40 other engineers 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+ 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 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 Degenkolb Engineers 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 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 Degenkolb Engineers

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. 43 Ashley & Vance Engineering 148
  2. 44 Himmati Engineering Inc. 144
  3. 45 Degenkolb Engineers 143
  4. 46 Donald D. Dammen, P.E. 140
  5. 47 Acg Engineers Inc 137

All permits issued, 1,146 engineers Full ranking

  1. 20 Randall Lamb Assoc 55
  2. 21 Allied Heating & Air Condition 55
  3. 22 Degenkolb Engineers 53
  4. 23 United Mechanical Inc. 52
  5. 24 Levi Malabuyo 47

Offices issued, 375 engineers

Where they work

The neighborhoods where Degenkolb Engineers 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 Chinatown 113 engineers count Chinatown among their busiest neighborhoods
  3. 03 Mission 298 engineers count Mission among their busiest neighborhoods
  4. 04 Hayes Valley 56 engineers 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 engineers for offices

Firms ranked near Degenkolb Engineers by permits issued for offices.

  1. 19 Grewal Engineering 58 offices issued
  2. 20 Randall Lamb Assoc 55 offices issued · 6.6 mo median for offices
  3. 21 Allied Heating & Air Condition 55 offices issued · 2.6 mo median for offices
  4. 23 United Mechanical Inc. 52 offices issued
  5. 24 Levi Malabuyo 47 offices issued
  6. 25 Acg Engineers Inc 46 offices issued · 8.9 mo median for offices
Sheet
S-045 No. 45 of 1,146
Drawing
Permit record, Degenkolb Engineers
Engineer, San Francisco
License
C84331 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 Degenkolb Engineers has not paid to be listed. Project addresses are never shown.

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