Principal Builders Inc. is a general contractor with 96 tracked San Francisco building-permit projects on record, with the latest filing in that record 13 days ago. Its filings (Jan 2025 to Sep 2026) are concentrated in Financial District/South Beach and Mission Bay, 100% commercial. A typical project in the record declares $43K–$960K. If you work at Principal Builders Inc., claim this page to add a description.
Filed 13 days ago
#16
by SF filing activity
among SF general contractors, 90 days to Oct 4, 2026
96
projects
from 208 filings
14/16
active weeks
weeks with a filing (16 weeks to Oct 4, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$5.4M Financial District/South Beach tenant improvement
Grade AActive 19 days ago · Principal Builders: GC
L41: tenant improvement. non-structural partitions, finishes, millwork, ceilings for new offices, meeting rooms and break areas
GC named · Architect identified · 4 engineers identified
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$588K Financial District/South Beach tenant improvement
Grade AActive 21 days ago · Principal Builders: GC
Partial tenant improvement on the 39th fl i9ncouding non strucutral demolition of exiting partitions, finishes, millwork, ceilings, new…
GC named · Architect identified · 3 engineers identified
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$17.1M Mission Bay commercial renovation
Active 11 months ago · 9 filings · Principal Builders: GC
Revision to: removal of fsd-5-25 & fsd 5-26 from schedule & plans, mechanical schedule only scope
GC named · Architect identified · 3 Design firms identified · 5 engineers identified · 2 specialty contractors identified
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Neighborhood, filing date, scope and declared value are shown here. Exact addresses,
owner names and mailing addresses, and full filing histories are part of the paid product.
96 project records for Principal Builders Inc.: addresses, values, project teams
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Typical project$43K–$960K$180K typical11× the SF median ($17K)Last filed13 days agoFinancial District/South Beach · Sep 24, 2026Last 90 days19 active18 newly filed
Filing activity · 16 weeks to Oct 4, 2026 · peak Aug 2026
JUN
JUL
AUG
SEP
Project mix · by use
Commercial100%
Geography · by neighborhood
Financial District/South Beach49%
Mission Bay27%
Chinatown12%
Potrero Hill6%
South of Market6%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Gensler | Architecture | 30 | |
| 2 | California Electric Design | Engineering | 17 | |
| 3 | Huntsman Ag | Architecture | 9 | |
| 4 | Thornton Tomasetti | Architecture | 7 | |
| 5 | Woods Bagot | Architecture | 7 | |
| 1 | Siemans Building Technology | General contractor | 15 | |
| 2 | Anderson, Rowe & Buckley, Inc. | General contractor | 10 | |
| 3 | R L H Fire Protection Inc | General contractor | 10 | |
| 4 | Rapid Fire Safety&Security LLC Dba Pafa | General contractor | 4 | |
| 5 | Golden Gate Fire Protection Inc | General contractor | 3 |
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Owner and developer names, and the projects behind each connection, are part of the Leads product.
Firms that appear on the same San Francisco permit filings. Association on shared filings, not a proven working relationship.
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State licenseCSLB Contractor #829808As filed on 40 permits
Repeat working relationships31 firmsFirms this one appears with on more than one project, out of 54 in total.
Permit speed20 days2 days shorter than the SF median
based on 36 firm filings vs 5,915 SF filings
based on 36 firm filings vs 5,915 SF filings
Frequently asked questions
How many SF projects does Principal Builders Inc. appear on?▾
PermitPipeline tracks 96 San Francisco building-permit projects for Principal Builders Inc. (Jan 2025 to Sep 2026). 19 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?▾
49% of Principal Builders Inc.'s tracked San Francisco projects are in Financial District/South Beach.
What is a typical Principal Builders Inc. project worth?▾
The median declared value across the 96 San Francisco projects Principal Builders Inc. has on record that state one is $180K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Principal Builders Inc.?▾
Principal Builders Inc. most frequently appears on the same San Francisco permit filings as Gensler, California Electric Design, Siemans Building Technology. 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 SF DBI filings.
Public aggregate — full project records are part of the paid leads product. Ranking, filing activity, project mix and geography were last recomputed Oct 4, 2026. Project counts, declared values and filing dates are read live from SF DBI filings.
How far back does this record go?▾
This page covers the recent permit record, not the firm’s full history. A firm’s earliest filing here means it was already working when our record opens, not that it started then.
Sources
San Francisco Department of Building Inspection permit filings.
Record source
Read directly from SF DBI filings.
Photography
None are shown until the firm supplies them.
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