General contractor San Francisco, CA Corporation

Brennan Stronghold Construction Inc

Active License #965649 B General Building, HAZ Hazardous Substance Removal · San Francisco, CA

CSLB lists license #965649 as active in its file dated Oct 16, 2026. CSLB shows a $25,000 contractor bond with Business Alliance Insurance Company and workers' comp coverage through Omaha National Casualty Company (policy to Oct 17, 2026).

CSLB license age: 15 yrs 1 mo; since Sep 15, 2011
Expires: Feb 28, 2027
Bond: $25,000 bond; Business Alliance Insurance Company
Workers' comp: Omaha National Casualty Company

17 city permits in 24 months · latest Sep 30, 2026

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, HAZ · Hazardous Substance Removal
Business type: Corporation
Issued: Sep 15, 2011 CSLB license age: 15 yrs 1 mo as of the file date
Contractor bond: $25,000 bond Business Alliance Insurance Company, since Jan 1, 2023
Workers' comp: Omaha National Casualty Company Oct 17, 2025 to Oct 17, 2026 · WC file dated Oct 17, 2026
CSLB last updated this record: Oct 17, 2025

Personnel of record

Colm John Brennan 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)

17permits in 24 months

Residential: 3
Commercial: 14
Latest issued: Sep 30, 2026
Median permit value: $130,000

Permit descriptions that mention: Office build-out (2), Kitchen remodel (2), Bathroom remodel (2), Tenant improvement (1), Retail build-out (1)

Permits by declared value (17 with a value)

Under $50k 5
$50k to $250k 8
$250k to $1M 3
Over $1M 1

Latest permits (public permit numbers)

Permit	Issued	Type	Value
202609298783	Sep 30, 2026	Over-the-counter alterations permit	$25,000
202609117958	Sep 28, 2026	Kitchen remodel	$208,000
202607134922	Aug 12, 2026	Over-the-counter alterations permit	$180,000
202608056148	Aug 5, 2026	Kitchen remodel	$130,000
202607165113	Aug 5, 2026	Over-the-counter alterations permit	$200,000
202605070882	Aug 5, 2026	Retail build-out	$65,000
202606042561	Jul 13, 2026	Office build-out	$986,000
202605261869	Jun 1, 2026	Over-the-counter alterations permit	$25,000
202603117364	Mar 16, 2026	Over-the-counter alterations permit	$446,000
202601083459	Mar 16, 2026	Tenant improvement	$170,000

Over-the-counter alterations permit · $25,000 · Sep 30, 2026 Permit #202609298783
Kitchen remodel · $208,000 · Sep 28, 2026 Permit #202609117958
Over-the-counter alterations permit · $180,000 · Aug 12, 2026 Permit #202607134922
Kitchen remodel · $130,000 · Aug 5, 2026 Permit #202608056148
Over-the-counter alterations permit · $200,000 · Aug 5, 2026 Permit #202607165113
Retail build-out · $65,000 · Aug 5, 2026 Permit #202605070882
Office build-out · $986,000 · Jul 13, 2026 Permit #202606042561
Over-the-counter alterations permit · $25,000 · Jun 1, 2026 Permit #202605261869
Over-the-counter alterations permit · $446,000 · Mar 16, 2026 Permit #202603117364
Tenant improvement · $170,000 · Mar 16, 2026 Permit #202601083459

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.

Mission Home Remodeling Inc

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39 bath, 28 kitchen, 2 new homes · median permit value $35k · latest: kitchen, Oct 2026 (SF permits)

87 residential permits · licensed 5 yrs

Active · B · #1078954 · Bond ✓ · Workers' comp ✓ · Verify on CSLB

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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Reliable Construction Inc

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73 residential permits · licensed 13 yrs

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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 Brennan Stronghold Construction Inc

Is Brennan Stronghold Construction Inc licensed?

Yes. CSLB lists license #965649 (B, General Building; HAZ, Hazardous Substance Removal) as active in its file dated Oct 16, 2026. It was first issued Sep 15, 2011 and expires Feb 28, 2027. Check the live record on CSLB before you sign.

What is the CSLB license number for Brennan Stronghold Construction Inc?

CSLB lists Brennan Stronghold Construction Inc under license #965649, class B, HAZ, in San Francisco, CA.

Is Brennan Stronghold Construction Inc bonded and insured?

CSLB shows a $25,000 contractor bond with Business Alliance Insurance Company and workers' comp coverage through Omaha National Casualty Company (policy to Oct 17, 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 Brennan Stronghold Construction Inc?

CSLB lists Colm John Brennan (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 #965649?

On license #965649's page on CSLB. It lists any complaint disclosures and legal actions CSLB publishes for the license.

Where can I read reviews of Brennan Stronghold Construction Inc?

We don't host reviews. The links under the license details search for Brennan Stronghold Construction 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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