Principal Builders Inc.
General contractor · San Francisco permit activity
General contractor active in San Francisco construction, tracked from public building-permit filings.
#11
by NYC filing activity
among NYC general contractors, last 90 days
77
project records
Jan 2025 to Jul 2026
15/16
active weeks
weeks with a filing (last 16)
77 projects
Scopes, declared values and this firm's role on each one
See 77 projects involving Principal Builders
Recent projects involving this firm
Chinatown
2/f: revision to pa#: 202602246389. adding (2) new phone booths with new supporting power
$2.3M
Financial District/South Beach
Minor tenant improvements on ground floor, new non-structural partitions, finishes, and millwork
$750K
Financial District/South Beach
Stairs commercial tenant improvement between floors 4.5 &6. scope of work includes partial…
$1.1M
Neighbourhood, filing date, scope and declared value are shown here. Exact addresses, full filing histories and project teams are part of the paid product.
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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
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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 borough
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 | Gensler | Architecture | 8 | |
| 4 | Woods Bagot | Architecture | 7 | |
| 5 | THORNTON TOMASETTI | Architecture | 7 | |
| 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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