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Engineer, San Jose License M29805

United Mechanical Inc.

The city has issued 61 of the 64 San Francisco building permits that name United Mechanical Inc. since 2018. The work is mostly commercial, led by offices. Their median plan-review permit, across all project types, took 4.1 months from filing to issue. Their busiest neighborhoods are Financial District/South Beach, Mission Bay and South of Market.

Also filed as
architect
Issued by the city
61 of 64 filed since 2018
Median plan-review time, all types
4.1 mo filing to issue
Rank for offices
No. 23 of 375 by offices issued
Overall rank
No. 97 of 1,146 engineers

What they work on

Every San Francisco building permit with United Mechanical Inc. on the record since 2018, by project type. Most filed: 55 offices, 7 apartments and multifamily, 1 retail and shops.

Residential and commercial, by permits filed

11% residential
89% commercial
Permits by project type, filed and issued
  1. Offices Commercial 52 of 55 issued 86% of filings.
  2. Apartments and multifamily Residential 7 of 7 issued 11% of filings.
  3. Retail and shops Commercial 1 of 1 issued 2% of filings.
  4. Hotels, clinics, schools and other commercial 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
2026
17 permits filed
Latest filing
Oct 2026
95% of 64 issued
Permits filed per year: 2018: 3, 2019: 11, 2020: 2, 2021: 11, 2022: 2, 2023: 6, 2024: 2, 2025: 10, 2026: 17. 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: 61 of 64 permits filed

95%

All San Francisco project permits since 2018 in this data

93% issued

3 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. United Mechanical Inc. has 3 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.

United Mechanical Inc., all project types

4.1months

Median months from filing to issue for plan-review permits. United Mechanical Inc., all project types: 4.1 months. 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; United Mechanical Inc. has fewer than 3 issued plan-review permits for offices with usable dates 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. 95 Allied Heating & Air Condition 62
  2. 96 Kung Kay Chiu 62
  3. 97 United Mechanical Inc. 61
  4. 98 Nabi Const. & Engineering 58
  5. 99 Hawk N Lee P.E. 57

All permits issued, 1,146 engineers Full ranking

  1. 21 Allied Heating & Air Condition 55
  2. 22 Degenkolb Engineers 53
  3. 23 United Mechanical Inc. 52
  4. 24 Levi Malabuyo 47
  5. 25 Acg Engineers Inc 46

Offices issued, 375 engineers

Where they work

The neighborhoods where United Mechanical 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 Mission Bay 120 engineers count Mission Bay among their busiest neighborhoods
  3. 03 South of Market 204 engineers count South of Market among their busiest neighborhoods
  4. 04 Mission 298 engineers count 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 United Mechanical Inc. by permits issued for offices.

  1. 20 Randall Lamb Assoc 55 offices issued · 6.6 mo median for offices
  2. 21 Allied Heating & Air Condition 55 offices issued · 2.6 mo median for offices
  3. 22 Degenkolb Engineers 53 offices issued · 2.5 mo median for offices
  4. 24 Levi Malabuyo 47 offices issued
  5. 25 Acg Engineers Inc 46 offices issued · 8.9 mo median for offices
  6. 26 Streamline Engineering 46 offices issued · 6.8 mo median for offices
Sheet
S-097 No. 97 of 1,146
Drawing
Permit record, United Mechanical Inc.
Engineer, San Jose
License
M29805 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 United Mechanical Inc. has not paid to be listed. Project addresses are never shown.

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