General contractor San Francisco, CA Corporation

CTW Mechanical Inc

Active License #761595 B General Building, C-20 HVAC · San Francisco, CA

CSLB lists license #761595 as active in its file dated Oct 16, 2026. CSLB shows a $25,000 contractor bond with American Contractors Indemnity Company and workers' comp coverage through Sequoia Insurance Company (policy to Apr 9, 2027).

CSLB license age: 27 yrs 6 mo; since Apr 14, 1999
Expires: Apr 30, 2027
Bond: $25,000 bond; American Contractors Indemnity Company
Workers' comp: Sequoia Insurance Company

13 city permits in 24 months · latest Oct 6, 2026 · mostly restaurant build-out and retail build-out work

CSLB records dated Oct 16, 2026 checked Oct 18, 2026 Verify live on CSLB

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License record

Status: Active CSLB status code: CLEAR
Classes: B · General Building, C-20 · HVAC
Business type: Corporation
Issued: Apr 14, 1999 CSLB license age: 27 yrs 6 mo as of the file date
Contractor bond: $25,000 bond American Contractors Indemnity Company, since Feb 1, 2025
Workers' comp: Sequoia Insurance Company Apr 9, 2026 to Apr 9, 2027 · WC file dated Oct 17, 2026
CSLB last updated this record: May 4, 2026

Personnel of record

Matthew Chun-Tak Wang Responsible Managing Officer/Chief Executive Officer/President

As listed in CSLB's personnel file dated Oct 17, 2026. Personnel of record qualify the license. The file does not show who owns the business.

What the permit record shows

We have permit records for San Francisco and San Jose only. Other Bay Area cities don't publish contractor names in a form we can read, so an empty list here says nothing about work elsewhere.

San Francisco permits (matched by license number)

13permits in 24 months

Residential: 0
Commercial: 13
Latest issued: Oct 6, 2026
Median permit value: $20,000

Permit descriptions that mention: Restaurant build-out (8), Retail build-out (1)

Permits by declared value (13 with a value)

Under $50k 8
$50k to $250k 3
$250k to $1M 2
Over $1M 0

Latest permits (public permit numbers)

Permit	Issued	Type	Value
202610069078	Oct 6, 2026	Over-the-counter alterations permit	$2,000
202610028925	Oct 6, 2026	Over-the-counter alterations permit	$60,000
202605201613	Jun 22, 2026	Restaurant build-out	$250,000
202606153201	Jun 15, 2026	Restaurant build-out	$45,000
202506108388	Apr 7, 2026	Restaurant build-out
202603238051	Mar 23, 2026	Restaurant build-out	$5,000
202602045202	Mar 11, 2026	Sign	$3,000
202602045201	Mar 11, 2026	Sign	$3,000
202508253822	Mar 11, 2026	Restaurant build-out	$3,000
202512101390	Dec 10, 2025	Over-the-counter alterations permit	$79,000

Over-the-counter alterations permit · $2,000 · Oct 6, 2026 Permit #202610069078
Over-the-counter alterations permit · $60,000 · Oct 6, 2026 Permit #202610028925
Restaurant build-out · $250,000 · Jun 22, 2026 Permit #202605201613
Restaurant build-out · $45,000 · Jun 15, 2026 Permit #202606153201
Restaurant build-out · Apr 7, 2026 Permit #202506108388
Restaurant build-out · $5,000 · Mar 23, 2026 Permit #202603238051
Sign · $3,000 · Mar 11, 2026 Permit #202602045202
Sign · $3,000 · Mar 11, 2026 Permit #202602045201
Restaurant build-out · $3,000 · Mar 11, 2026 Permit #202508253822
Over-the-counter alterations permit · $79,000 · Dec 10, 2025 Permit #202512101390

Look up a permit number on SF DBI

Source: DataSF building permits, checked Oct 18, 2026

Complaints and legal actions

CSLB lists complaint and legal-action disclosures on the license's page.

Check complaints on CSLB

Before you sign

Down payment. On a home improvement contract it can't exceed $1,000 or 10% of the price, whichever is less. B&P 7159.5
What this class covers. A B contractor's prime contract needs 2 or more unrelated trades (B&P 7057). B covers additions and structural work; a B-2 doesn't (CSLB class B-2).

Other licensed general contractors in San Francisco

Ranked by the published scoring rules on the methodology page.

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Active · B General Building · License #983658, expires May 31, 2027 · Bond $25,000 ✓ · Workers' comp: Insurance Company of the West, policy ended Oct 17, 2026 in CSLB's file; ask for the current certificate · Verify on CSLB

Workers' comp policy ends Oct 17, 2026. Ask for the renewal certificate.

Request bids License details

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C-36 Plumbing

Workers' comp policy ends Nov 14, 2026. Ask for the renewal certificate.

Request bids License details

Questions about CTW Mechanical Inc

Is CTW Mechanical Inc licensed?

Yes. CSLB lists license #761595 (B, General Building; C-20, HVAC) as active in its file dated Oct 16, 2026. It was first issued Apr 14, 1999 and expires Apr 30, 2027. Check the live record on CSLB before you sign.

What is the CSLB license number for CTW Mechanical Inc?

CSLB lists CTW Mechanical Inc under license #761595, class B, C-20, in San Francisco, CA.

Is CTW Mechanical Inc bonded and insured?

CSLB shows a $25,000 contractor bond with American Contractors Indemnity Company and workers' comp coverage through Sequoia Insurance Company (policy to Apr 9, 2027). Those are the bond and workers' comp records in CSLB's file dated Oct 16, 2026. Ask for its certificate of general liability insurance.

Who owns CTW Mechanical Inc?

CSLB lists Matthew Chun-Tak Wang (Responsible Managing Officer/Chief Executive Officer/President) as personnel of record. That file names the people who qualify the license. It does not show who owns the business. CSLB lists the business type as corporation.

Where can I see CSLB complaint and legal-action records for #761595?

On license #761595's page on CSLB. It lists any complaint disclosures and legal actions CSLB publishes for the license.

Where can I read reviews of CTW Mechanical Inc?

We don't host reviews. The links under the license details search for CTW Mechanical in San Francisco on Yelp, Google, Houzz, BBB, Thumbtack and Angi, so you read them at the source.

Confirm or correct this page

For the business owner. Everything above comes from CSLB and city permit files. Send a correction and we check it against the source.

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