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C T W Mechanical

General contractor · San Francisco
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(415) 760-8318544 2nd Ave, San Francisco, CA 94118
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C T W Mechanical is a general contractor with 13 tracked San Francisco building-permit projects on record, with the latest filing in that record 33 days ago. Its filings (Jan 2025 to Oct 2026) are concentrated in Chinatown and South of Market. A typical project in the record declares $2K–$45K. If you work at C T W Mechanical, claim this page to add a description.

Filed 33 days ago
#470
by SF filing activity
among SF general contractors, 90 days to Nov 1, 2026
13
projects
from 20 filings
2/16
active weeks
weeks with a filing (16 weeks to Nov 1, 2026)
Portfolio · $399/yearFree during launch
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Permit-backed projects · PermitPipeline’s independent record
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.
Typical project$2K–$45K$5K typical29% of the SF median ($17K)Last filed33 days agoSunset/Parkside · Oct 6, 2026Last 90 days2 active2 newly filed

Filing activity · 16 weeks to Nov 1, 2026 · peak Oct 2026

JUL
AUG
SEP
OCT

Project mix · by use

Commercial50%
Residential50%

Geography · by neighborhood

Chinatown34%
South of Market33%
Potrero Hill17%
Castro/Upper Market8%
Inner Sunset8%

Shared-project connections

#FirmPrimary roleSharedRelative
1CTW MechanicalEngineering2
2SHCArchitecture2
3EyestrucEngineering1
4Horn LeeArchitecture1
1Ket Construction IncGeneral contractor1
2Berg's Heating & Serv CoPlumbing contractor1
3T And H Plumbing Co. Inc.Plumbing contractor1
4B H Chen IncGeneral contractor1

Create a free account to see every firm on these projects and how many projects each one shares.

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.
State licenseCSLB Contractor #761595As filed on 8 permits
Repeat working relationships2 firmsFirms this one appears with on more than one project, out of 8 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.

Frequently asked questions

How many SF projects does C T W Mechanical appear on?▾
PermitPipeline tracks 13 San Francisco building-permit projects for C T W Mechanical (Jan 2025 to Oct 2026). 2 had filing activity in the last 90 days.
Does C T W Mechanical work on commercial or residential projects?▾
Across its tracked San Francisco filings, 50% of C T W Mechanical's projects are commercial and 50% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does C T W Mechanical work?▾
34% of C T W Mechanical's tracked San Francisco projects are in Chinatown.
What is a typical C T W Mechanical project worth?▾
The median declared value across the 13 San Francisco projects C T W Mechanical has on record that state one is $5K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as C T W Mechanical?▾
C T W Mechanical most frequently appears on the same San Francisco permit filings as CTW Mechanical, SHC, Eyestruc. Appearing together indicates association on shared filings, not a proven working relationship.
Is C T W Mechanical a general contractor?▾
C T W Mechanical 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 Nov 1, 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.
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Sources

San Francisco Department of Building Inspection permit filings.

Record source

Read directly from SF DBI filings.

Photography

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