Bayline Mechanical Inc is a plumbing contractor with 4 tracked San Francisco building-permit projects on record, with the latest filing in that record 49 days ago. Its filings (Jan 2025 to Aug 2026) are concentrated in Financial District/South Beach, 100% commercial. A typical project in the record declares $380K–$2.5M. If you work at Bayline Mechanical Inc, claim this page to add a description.
Filed 49 days ago
#878
by SF filing activity
among SF specialty contractors, 90 days to Oct 4, 2026
4
projects
from 159 filings
10/16
active weeks
weeks with a filing (16 weeks to Oct 4, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$2.5M renovation
Active 1 month ago · 115 filings · Bayline Mechanical: specialty contractor
Work category: 4pb; port fire scope: convert (6) uprights to pendents, (3) pendents to uprights, add (2) uprights, remove (4) pendents
GC named · 15 Design firms identified · 2 engineers identified · 42 specialty contractors identified
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$380K Financial District/South Beach commercial renovation
Last active Sep 2025 · 5 filings · Bayline Mechanical: specialty contractor
Installation of 10 workstations
GC named · Architect identified · 4 Design firms identified · Engineer identified · 11 specialty contractors identified
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$384K Financial District/South Beach tenant improvement
Last active Sep 2025 · 10 filings · Bayline Mechanical: specialty contractor
Fire sprinkler tenant improvement, relocate 17 pendants and add 7 uprights on 22nd fl ref
GC named · 2 architects identified · 6 Design firms identified · 2 engineers identified · 4 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.
4 project records for Bayline Mechanical Inc: addresses, values, project teams
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Typical project$380K–$2.5M$384K typicalLast filed49 days agoAug 19, 2026Last 90 days2 active0 newly filed
Filing activity · 16 weeks to Oct 4, 2026 · peak Jul 2026
JUN
JUL
AUG
SEP
Project mix · by use
Commercial100%
Geography · by neighborhood
Financial District/South Beach100%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Asd/sky | Architecture | 1 | |
| 2 | Acco Engineered Systems Inc. | Architecture | 1 | |
| 3 | JG Engineers | Architecture | 1 | |
| 4 | Litzenberger Engineering | Engineering | 1 | |
| 5 | Revel Architecture | Architecture | 1 | |
| 1 | Golden Gate Fire Protection Inc | General contractor | 4 | |
| 2 | Anderson, Rowe & Buckley, Inc. | General contractor | 3 | |
| 3 | Mcclure Electric Inc | General contractor | 3 | |
| 4 | C B F Inc | General contractor | 2 | |
| 5 | City Preferred Plumbing Inc | Plumbing contractor | 2 |
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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 licenseNot connectedTrade licenses are held by BPELSG. That register is not part of the San Francisco permit record, and we do not yet read it.
Repeat working relationships6 firmsFirms this one appears with on more than one project, out of 57 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does Bayline Mechanical Inc appear on?▾
PermitPipeline tracks 4 San Francisco building-permit projects for Bayline Mechanical Inc (Jan 2025 to Aug 2026). 2 had filing activity in the last 90 days.
Does Bayline Mechanical Inc work on commercial or residential projects?▾
Across its tracked San Francisco filings, 100% of Bayline Mechanical 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 Bayline Mechanical Inc work?▾
100% of Bayline Mechanical Inc's tracked San Francisco projects are in Financial District/South Beach.
What is a typical Bayline Mechanical Inc project worth?▾
The median declared value across the 4 San Francisco projects Bayline Mechanical Inc has on record that state one is $384K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Bayline Mechanical Inc?▾
Bayline Mechanical Inc most frequently appears on the same San Francisco permit filings as Golden Gate Fire Protection Inc, Anderson, Rowe & Buckley, Inc., Mcclure Electric Inc. Appearing together indicates association on shared filings, not a proven working relationship.
Is Bayline Mechanical Inc a plumbing contractor?▾
Bayline Mechanical Inc is listed as a plumbing 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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