Principal Builders Inc.
General contractor · San Francisco permit activity
General contractor active in San Francisco construction, tracked from public building-permit filings.
#11
by SF filing activity
among SF general contractors, last 90 days
77
projects tracked
Jan 2025 to Jul 2026
15/16
active weeks
weeks with a filing (last 16)
5 of the 77 Principal Builders projects filed new permits in the last 30 days.
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$2.3M Chinatown renovation
Filed 15 days ago · 3 filings · Principal Builders: GC
2/f: revision to. adding (2) new phone booths with new supporting power
GC named · 3 architects identified · 3 engineers identified
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$41.7M Mission Bay renovation
Filed 7 months ago · 7 filings · Principal Builders: GC
L1 - l4. electrical only revision to approved
GC named · Architect identified · 3 engineers identified
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$521K Financial District/South Beach renovation
Filed 1 month ago · 3 filings · Principal Builders: GC
Revision to, level 20. various minor mep updates, corrected address on title blocks of sheets
GC named · 2 architects identified · 2 engineers identified
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Scopes, values, teams and filing history for every one
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Neighborhood, filing date, scope and declared value are shown here. Exact addresses,
owner and contact details and full filing histories are part of the paid product.
77 project records for Principal Builders: addresses, values, project teams
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Middle 50% of declared values: $48K–$960K (median $180K)
Most recent filing: Chinatown · Jul 21, 2026
18 active · 10 newly observed last 90 days
Filing activity · last 16 weeks
APR
MAY
JUN
JUL
18
active projects (last 90d)
10
newly observed (last 90d)
Apr 2026
peak month
Project mix · by use
Commercial100%
Geography · by neighborhood
Financial District/South Beach46%
Mission Bay33%
Chinatown8%
Potrero Hill8%
South of Market5%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | California Electric Design | Engineering | 17 | |
| 2 | Gensler | Architecture | 15 | |
| 3 | Woods Bagot | Architecture | 7 | |
| 4 | THORNTON TOMASETTI | Architecture | 7 | |
| 5 | Blitz | Architecture | 4 | |
| 1 | Siemans Building Technology | General contractor | 15 | |
| 2 | R L H Fire Protection Inc | General contractor | 10 | |
| 3 | Rapid Fire Safety&Security Llc Dba Pafa | General contractor | 4 | |
| 4 | Anderson, Rowe & Buckley, Inc. | General contractor | 3 | |
| 5 | Golden Gate Fire Protection Inc | General contractor | 3 |
Firms that appear on the same San Francisco permit filings. Association on shared filings, not a proven working relationship.
Frequently asked questions
How many SF projects has Principal Builders Inc. filed?▾
PermitPipeline tracks 77 San Francisco building-permit projects for Principal Builders Inc. (Jan 2025 to Jul 2026). 18 had filing activity in the last 90 days.
Does Principal Builders Inc. work on commercial or residential projects?▾
Across its tracked San Francisco filings, 100% of Principal Builders Inc.'s projects are commercial and 0% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Principal Builders Inc. work?▾
44% of Principal Builders Inc.'s tracked San Francisco projects are in Financial District/South Beach.
What is a typical Principal Builders Inc. project worth?▾
Across the 186 tracked projects with a declared value, Principal Builders Inc. averages $639K per project (declared value on the permit filing, not contract value).
Which firms does Principal Builders Inc. work with most often?▾
Principal Builders Inc. most frequently appears on the same San Francisco permit filings as California Electric Design, Siemans Building Technology, Gensler. Appearing together indicates association on shared filings, not a proven working relationship.
Is Principal Builders Inc. a general contractor?▾
Principal Builders Inc. is listed as a general contractor on its San Francisco permit filings. Roles on this profile are derived from the role each firm holds on public DOB filings.
Public aggregate — full project records are part of the paid leads product. Updated daily from SF DBI filings.
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