(415) 308-2838419 Ellington Ave, San Francisco, CA 94112
Bay C T Construction Inc is a general contractor with 27 tracked San Francisco building-permit projects on record, with the latest filing in that record 36 days ago. Its filings (Feb 2025 to Jul 2026) are concentrated in Excelsior and Bayview Hunters Point, 100% residential. A typical project in the record declares $2K–$95K. If you work at Bay C T Construction Inc, claim this page to add a description.
Filed 36 days ago
#118
by SF filing activity
among SF general contractors, 90 days to Aug 23, 2026
27
projects
from 73 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
$288K Portola single-family renovation
Grade BActive 1 month ago · Bay C T Construction: GC
1 office remodel, 2 bedroom, 1 kitchen, 2 bathroom
GC named
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$10K Oceanview/Merced/Ingleside single-family renovation
Grade DActive 2 months ago · Bay C T Construction: GC
Replace (e) 70 amp main panel to 125 amp & upgrade all new wires in entire property. 12 lights, 100 switches, 100 receptacles, 6 fans, 2…
GC named · Architect identified · Engineer identified
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$96K Russian Hill multifamily renovation
Active 11 months ago · 2 filings · Bay C T Construction: GC
Change new sewer pipeline from garage to street
GC named · 3 Design firms 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.
27 project records for Bay C T Construction Inc: addresses, values, project teams
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Typical project$2K–$95K$10K typical59% of the SF median ($17K)Last filed36 days agoPortola · Aug 11, 2026Last 90 days6 active5 newly filed
Filing activity · 16 weeks to Aug 23, 2026 · peak Jul 2026
MAY
JUN
JUL
AUG
Project mix · by use
Residential100%
Geography · by neighborhood
Excelsior29%
Bayview Hunters Point22%
West of Twin Peaks21%
Glen Park14%
Mission14%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Bill Xie Guan | Architecture | 3 | |
| 2 | Double D Engineeering | Architecture | 1 | |
| 3 | Lawrence Liao STR. Eng | Architecture | 1 | |
| 1 | Parkson Construction Company | General contractor | 1 | |
| 2 | Project Contractor Inc | General contractor | 1 | |
| 3 | Crime Watch | General contractor | 1 | |
| 4 | Xiao Ming Chen Dba MH Electric | Electrical 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 #922224As filed on 8 permits
Repeat working relationships1 firmFirms this one appears with on more than one project, out of 7 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does Bay C T Construction Inc appear on?▾
PermitPipeline tracks 27 San Francisco building-permit projects for Bay C T Construction Inc (Feb 2025 to Jul 2026). 6 had filing activity in the last 90 days.
Does Bay C T Construction Inc work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Bay C T Construction Inc's projects are commercial and 100% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Bay C T Construction Inc work?▾
29% of Bay C T Construction Inc's tracked San Francisco projects are in Excelsior.
What is a typical Bay C T Construction Inc project worth?▾
The median declared value across the 27 San Francisco projects Bay C T Construction Inc has on record that state one is $10K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Bay C T Construction Inc?▾
Bay C T Construction Inc most frequently appears on the same San Francisco permit filings as Bill Xie Guan, Double D Engineeering, Lawrence Liao STR. Eng. Appearing together indicates association on shared filings, not a proven working relationship.
Is Bay C T Construction Inc a general contractor?▾
Bay C T Construction 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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