Bay Air Systems, Inc is a general contractor with 8 tracked San Francisco building-permit projects on record, with the latest filing in that record 56 days ago. Its filings (Jun 2025 to Jul 2026) are concentrated in Financial District/South Beach and Mission, 100% commercial. A typical project in the record declares $150K–$490K. If you work at Bay Air Systems, Inc, claim this page to add a description.
Filed 56 days ago
#149
by SF filing activity
among SF general contractors, 90 days to Aug 23, 2026
8
projects
from 28 filings
6/16
active weeks
weeks with a filing (16 weeks to Aug 23, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$1.6M Mission commercial renovation
Grade BActive 2 months ago · 4 filings · Bay Air Systems: GC
Suite 100 and 210: deferred electrical…
GC named · Architect identified · Design firm identified · 2 engineers identified
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$250K Financial District/South Beach tenant improvement
Grade BActive 2 months ago · Bay Air Systems: GC
9th flr: deferred mep drawings. mechanical-install new low pressure duct & air distribution to meet new tenant improvement layout. install…
GC named · 2 engineers identified
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$27K Hayes Valley commercial renovation
Grade DActive 4 months ago · Bay Air Systems: GC
Work category: 2pa; (1) gas line for furnace
GC named · 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.
8 project records for Bay Air Systems, Inc: addresses, values, project teams
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Typical project$150K–$490K$250K typical15× the SF median ($17K)Last filed56 days agoMission · Jul 23, 2026Last 90 days6 active3 newly filed
Filing activity · 16 weeks to Aug 23, 2026 · peak Jul 2026
MAY
JUN
JUL
AUG
Project mix · by use
Commercial100%
Geography · by neighborhood
Financial District/South Beach38%
Mission25%
Haight Ashbury13%
Hayes Valley12%
Marina12%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | California Electric Design | Engineering | 3 | |
| 2 | Pragmatic | Engineering | 2 | |
| 3 | Sargenti Architects | Architecture | 1 | |
| 4 | Chiawang Structural Eng | Engineering | 1 | |
| 5 | Dorman Assoc | Architecture | 1 | |
| 1 | Metcon Ti, Inc | General contractor | 3 | |
| 2 | Buildtech West | General contractor | 1 | |
| 3 | City Mechanical Inc | General contractor | 1 | |
| 4 | Diablo Electric Inc. | General contractor | 1 | |
| 5 | Elson Electric Holdings Inc | General contractor | 1 |
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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 #450929As filed on 20 permits
Repeat working relationships3 firmsFirms this one appears with on more than one project, out of 16 in total.
Permit speed14 days9 days shorter than the SF median
based on 12 firm filings vs 4,623 SF filings
based on 12 firm filings vs 4,623 SF filings
Frequently asked questions
How many SF projects does Bay Air Systems, Inc appear on?▾
PermitPipeline tracks 8 San Francisco building-permit projects for Bay Air Systems, Inc (Jun 2025 to Jul 2026). 6 had filing activity in the last 90 days.
Does Bay Air Systems, Inc work on commercial or residential projects?▾
Across its tracked San Francisco filings, 100% of Bay Air Systems, 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 Bay Air Systems, Inc work?▾
38% of Bay Air Systems, Inc's tracked San Francisco projects are in Financial District/South Beach.
What is a typical Bay Air Systems, Inc project worth?▾
The median declared value across the 8 San Francisco projects Bay Air Systems, Inc has on record that state one is $250K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Bay Air Systems, Inc?▾
Bay Air Systems, Inc most frequently appears on the same San Francisco permit filings as California Electric Design, Metcon Ti, Inc, Pragmatic. Appearing together indicates association on shared filings, not a proven working relationship.
Is Bay Air Systems, Inc a general contractor?▾
Bay Air Systems, 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 Aug 23, 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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