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Engineer, San Francisco License 9279

C & N Engineers, Inc.

The city has issued 55 of the 55 San Francisco building permits that name C & N Engineers, Inc. since 2018. The work is mostly commercial, led by offices. Their busiest neighborhoods are Financial District/South Beach, South of Market and Mission Bay.

Also filed as
architect
Issued by the city
55 of 55 filed since 2018
Rank for offices
No. 30 of 375 by offices issued
Overall rank
No. 104 of 1,146 engineers
Commercial share
95% last filing Dec 2025

What they work on

Every San Francisco building permit with C & N Engineers, Inc. on the record since 2018, by project type. Most filed: 40 offices, 9 hotels, clinics, schools and other commercial, 3 apartments and multifamily.

Residential and commercial, by permits filed

6% residential
95% commercial
Permits by project type, filed and issued
  1. Offices Commercial 40 of 40 issued 73% of filings.
  2. Hotels, clinics, schools and other commercial Commercial 9 of 9 issued 16% of filings.
  3. Apartments and multifamily Residential 3 of 3 issued 5% of filings.
  4. Restaurants and bars Commercial 2 of 2 issued 4% of filings.
  5. Retail and shops Commercial 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
15 permits filed
Latest filing
Dec 2025
100% of 55 issued
Permits filed per year: 2018: 5, 2019: 15, 2020: 5, 2021: 14, 2022: 9, 2023: 1, 2024: 2, 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 2 permits; the 2026 building is dashed because it counts permits filed through October 20, 2026.

Issued by the city: 55 of 55 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. C & N Engineers, Inc. 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. 102 Andy Tan 55
  2. 103 Wsp 55
  3. 104 C & N Engineers, Inc. 55
  4. 105 Bahman Ghassenmzadeh 54
  5. 106 Julia Y. Chen Design Inc. 54

All permits issued, 1,146 engineers Full ranking

  1. 28 Wsp 44
  2. 29 Capital Electric 41
  3. 30 C & N Engineers, Inc. 40
  4. 31 Pragmatic 38
  5. 32 Glumac Engineers 38

Offices issued, 375 engineers

Where they work

The neighborhoods where C & N Engineers, Inc. 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 South of Market 204 engineers count South of Market among their busiest neighborhoods
  3. 03 Mission Bay 120 engineers count Mission Bay among their busiest neighborhoods
  4. 04 Outer Mission 47 engineers count Outer Mission 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 C & N Engineers, Inc. by permits issued for offices.

  1. 26 Streamline Engineering 46 offices issued · 6.8 mo median for offices
  2. 27 Alfatech 46 offices issued · 2.9 mo median for offices
  3. 28 Wsp 44 offices issued
  4. 34 Interlocity 25 offices issued · 5.0 mo median for offices
  5. 37 J5 Infrastructure 24 offices issued
  6. 41 Atrium Structural Engineer 22 offices issued
Sheet
S-104 No. 104 of 1,146
Drawing
Permit record, C & N Engineers, Inc.
Engineer, San Francisco
License
9279 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 C & N Engineers, Inc. has not paid to be listed. Project addresses are never shown.

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