Contractor, San Francisco License 829808
Principal Builders Inc.
The city has issued 597 of the 606 San Francisco building permits that name Principal Builders Inc. since 2018. The work is mostly commercial, led by offices. Their median plan-review permit for offices took 4.7 months from filing to issue, 20% slower than the citywide median. Their busiest neighborhoods are Financial District/South Beach, Mission Bay and Potrero Hill.
- Also filed as
- designer
- Issued by the city
- 597 of 606 filed since 2018
- Median plan-review time, offices
- 4.7 mo city median 3.9 mo
- Rank for offices
- No. 7 of 94 by offices issued
- Overall rank
- No. 10 of 226 contractors
What they work on
Every San Francisco building permit with Principal Builders Inc. on the record since 2018, by project type. Most filed: 594 offices, 7 hotels, clinics, schools and other commercial, 3 restaurants and bars.
Residential and commercial, by permits filed
- Offices Commercial 587 of 594 issued 98% of filings.
- Hotels, clinics, schools and other commercial Commercial 5 of 7 issued 1% of filings.
- Restaurants and bars Commercial 3 of 3 issued <1% of filings.
- Retail and shops Commercial 2 of 2 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
- 2018
- 116 permits filed
- Latest filing
- Oct 2026
- 99% of 606 issued
One building per year, its height the permits filed. Each floor line marks 20 permits; the 2026 building is dashed because it counts permits filed through October 20, 2026.
Issued by the city: 597 of 606 permits filed
All San Francisco project permits since 2018 in this data
9 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. Principal Builders Inc. has 24 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.
Principal Builders Inc., offices
4.7months
That is 20% slower than the citywide median for offices.
3 firms with medians over 9 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.
- 8 Peacock Construction 673
- 9 Bilcor Inc 667
- 10 Principal Builders Inc. 597
- 11 Hathaway Dinwiddie Co. 591
- 12 Sure, Inc. 529
All permits issued, 226 contractors Full ranking
- 5 Peacock Construction 612
- 6 Bilcor Inc 602
- 7 Principal Builders Inc. 587
- 8 Hathaway Dinwiddie Co. 499
- 9 Field Construction Inc. 334
Offices issued, 94 contractors
Where they work
The neighborhoods where Principal Builders Inc. files the most permits, and how many contractors count each one among their top 4 neighborhoods.
- 01 Financial District/South Beach 49 contractors count Financial District/South Beach among their busiest neighborhoods
- 02 Mission Bay 24 contractors count Mission Bay among their busiest neighborhoods
- 03 Potrero Hill 13 contractors count Potrero Hill among their busiest neighborhoods
- 04 Chinatown 27 contractors count Chinatown among their busiest neighborhoods
Questions for the first call
- Which of your recent San Francisco permits are closest to my project in type, size and neighborhood, and can I see the permit numbers?
- How long did those permits take from filing to issue, and what did plan check send back?
- Who on your team draws the set, who stamps it, and who answers the city's comments?
Other contractors for offices
Firms ranked near Principal Builders Inc. by permits issued for offices.
- 4 Gci, Inc 879 offices issued · 5.5 mo median for offices
- 5 Peacock Construction 612 offices issued · 10.9 mo median for offices
- 6 Bilcor Inc 602 offices issued · 1.4 mo median for offices
- 8 Hathaway Dinwiddie Co. 499 offices issued · 4.4 mo median for offices
- 9 Field Construction Inc. 334 offices issued · 4.2 mo median for offices
- 10 Sabah International Incorporated 329 offices issued · 1.4 mo median for offices
- Sheet
- C-010 No. 10 of 226
- Drawing
- Permit record, Principal Builders Inc.
- Contractor, San Francisco
- License
- 829808 check with CSLB
- Source
- San Francisco DBI building permits, since 2018
- 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 Principal Builders Inc. has not paid to be listed. Project addresses are never shown.
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