General contractor San Francisco, CA Corporation

Clayton Timbrell & Co

Active License #897643 B General Building · San Francisco, CA

CSLB lists license #897643 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 Sentinel Insurance Company Ltd (policy to Nov 1, 2026).

CSLB license age: 19 yrs 4 mo; since Jun 1, 2007
Expires: Apr 30, 2028
Bond: $25,000 bond; American Contractors Indemnity Company
Workers' comp: Sentinel Insurance Company Ltd

43 city permits in 24 months · latest Oct 16, 2026

Policy ends Nov 1, 2026. Ask for the renewal certificate if work runs past it.

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
Class: B · General Building
Business type: Corporation
Issued: Jun 1, 2007 CSLB license age: 19 yrs 4 mo as of the file date
Contractor bond: $25,000 bond American Contractors Indemnity Company, since Jan 1, 2023
Workers' comp: Sentinel Insurance Company Ltd Nov 1, 2025 to Nov 1, 2026 · WC file dated Oct 17, 2026
CSLB last updated this record: Mar 12, 2026

Personnel of record

Clayton Carey Timbrell 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)

43permits in 24 months

Residential: 41
Commercial: 2
Latest issued: Oct 16, 2026
Median permit value: $10,000

Permit descriptions that mention: Bathroom remodel (8), Kitchen remodel (4)

Permits by declared value (43 with a value)

Under $50k 32
$50k to $250k 8
$250k to $1M 2
Over $1M 1

Latest permits (public permit numbers)

Permit	Issued	Type	Value
202610169573	Oct 16, 2026	Over-the-counter alterations permit	$10,000
202610169571	Oct 16, 2026	Over-the-counter alterations permit	$40,000
202610169570	Oct 16, 2026	Over-the-counter alterations permit	$10,000
202610169567	Oct 16, 2026	Over-the-counter alterations permit	$20,000
202608035941	Aug 31, 2026	Over-the-counter alterations permit	$21,000
202606233770	Jul 13, 2026	Over-the-counter alterations permit	$300,000
202606052638	Jun 5, 2026	Over-the-counter alterations permit	$3,000
202605060785	May 6, 2026	Over-the-counter alterations permit
202605060776	May 6, 2026	Over-the-counter alterations permit
202604149388	Apr 14, 2026	Kitchen remodel	$275,000

Over-the-counter alterations permit · $10,000 · Oct 16, 2026 Permit #202610169573
Over-the-counter alterations permit · $40,000 · Oct 16, 2026 Permit #202610169571
Over-the-counter alterations permit · $10,000 · Oct 16, 2026 Permit #202610169570
Over-the-counter alterations permit · $20,000 · Oct 16, 2026 Permit #202610169567
Over-the-counter alterations permit · $21,000 · Aug 31, 2026 Permit #202608035941
Over-the-counter alterations permit · $300,000 · Jul 13, 2026 Permit #202606233770
Over-the-counter alterations permit · $3,000 · Jun 5, 2026 Permit #202606052638
Over-the-counter alterations permit · May 6, 2026 Permit #202605060785
Over-the-counter alterations permit · May 6, 2026 Permit #202605060776
Kitchen remodel · $275,000 · Apr 14, 2026 Permit #202604149388

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 #1078954, expires Jul 31, 2027 · Bond $25,000 ✓ · Workers' comp: State Compensation Insurance Fund, policy ends Dec 8, 2026 · Verify on CSLB

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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

We Do Construction Inc

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Active · B General Building · License #1096552, expires Sep 30, 2028 · Bond $25,000 ✓ · Workers' comp: State Compensation Insurance Fund · Verify on CSLB

C-36 Plumbing

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

Request bids License details

Questions about Clayton Timbrell & Co

Is Clayton Timbrell & Co licensed?

Yes. CSLB lists license #897643 (B, General Building) as active in its file dated Oct 16, 2026. It was first issued Jun 1, 2007 and expires Apr 30, 2028. Check the live record on CSLB before you sign.

What is the CSLB license number for Clayton Timbrell & Co?

CSLB lists Clayton Timbrell & Co under license #897643, class B, in San Francisco, CA.

Is Clayton Timbrell & Co bonded and insured?

CSLB shows a $25,000 contractor bond with American Contractors Indemnity Company and workers' comp coverage through Sentinel Insurance Company Ltd (policy to Nov 1, 2026). 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 Clayton Timbrell & Co?

CSLB lists Clayton Carey Timbrell (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 #897643?

On license #897643's page on CSLB. It lists any complaint disclosures and legal actions CSLB publishes for the license.

Where can I read reviews of Clayton Timbrell & Co?

We don't host reviews. The links under the license details search for Clayton Timbrell & 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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