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88of 100 · v2

O'sullivan & Son Construction Inc

General Building Contractor · San Ramon, CA
Active license
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License1 record · Active license
Permits27 on file
Discipline / legalNo board discipline flag
BBBNot yet available
Phone(415) 235-5006
AddressP O Box 1111

Report verdict

Licensed & active (expires 2027-04-30) · No board discipline flag found in covered sources · 27 permits on file

88/100 HomeProFax Score — public-record factors only, not a rating of workmanship. How the score works Full report

The state board is the authority. A flag is a prompt to read the board record, not a verdict. Verify license status with the issuing board before you hire. See methodology and disclaimer & corrections.

What this report checks

✓ License
Checked
1 board record(s) · Active license
✓ Discipline & legal
Checked
No board discipline flag found in covered sources.
✓ Permits
Checked
27 permit(s) on file from covered city sources.
◐ Reviews & complaints
Where available
BBB where researched and approved HomeProFax reviews only; external ratings are linked below, not stored or scored.

Score breakdown

FactorPointsWhy
License status35/35
Active license on file with a state board
Discipline & legal flags20/20
No disciplinary flag on board record
Permit history20/20
27 permits on file
Reviews (BBB + HomeProFax)13/25
No BBB rating on file and no approved HomeProFax reviews yet (neutral). External ratings are linked below, not stored

A simple, transparent sum of public-record factors. How the score works. Not a rating of workmanship.

Source data as of: Report rebuilt from source files on 2026-10-19 · CSLB bond/workers' comp as of 2026-10-14 · most recent permit on file: 2026-10-05.

What we checked

LicenseCheckedCA Corporation #902262 · active
BondChecked$25,000 with AMERICAN CONTRACTORS INDEMNITY COMPANY · as of 2026-10-14
Workers' compCheckedWorkers' Compensation Insurance (NORGUARD INSURANCE COMPANY) · as of 2026-10-14
Years licensedCheckedLicensed since 2007
Business registrationNot available in CAState business registry not loaded yet
PermitsChecked27 permits on record
DisciplineCheckednone on record
OSHANot checked yetOSHA records not checked yet
Reviews & outside linksNot checked yetNo review lookup run yet
Contractor-providedNot checked yetNothing provided by the contractor yet

Public records as of their source dates. Board status is shown as reported by the board. Not a guarantee. Ask the contractor for their verified HomeProFax report.

Licenses

Licensed since 2007 (earliest original issue date on these state license records; not a business start date)

License #TypeStatusIssuedExpiresSource
CA 902262Corporation (B)
Workers' comp: Workers' Compensation Insurance (NORGUARD INSURANCE COMPANY); Contractor bond: $25000 (AMERICAN CONTRACTORS INDEMNITY COMPANY)
clear2007-08-202027-04-30State board

Bond & workers' comp

Contractor bond$25,000 · AMERICAN CONTRACTORS INDEMNITY COMPANY · effective 2023-01-01
Workers' compWorkers' Compensation Insurance · NORGUARD INSURANCE COMPANY · effective 2026-09-14 · expires 2027-09-14

Source: CSLB Public Data Portal (License Master), as of 2026-10-14. Verify current bond and insurance with CSLB and the insurer before you hire.

Building permits

DatePermitTypeAddressValue
2026-10-05202609168246otc alterations permit3633 Webster St$1
2026-09-23202608076230otc alterations permit901 Haight St$3,000
2026-07-28202607285700otc alterations permit1998 Broadway$7,000
2026-07-14202606183574otc alterations permit3633 Webster St$1
2026-04-27202604109240otc alterations permit3633 Webster St$195,000
2025-09-17202509175466otc alterations permit185 Upland Dr$1,500
2025-02-27202501249078otc alterations permit2580 Clay St$1
2024-12-04202412025893otc alterations permit2582 Clay St$25,000
2024-10-15202409251547otc alterations permit2582 Clay St$87,000
2024-09-25202501249077———
2024-09-17202409060237otc alterations permit2580 Clay St$30,000
2024-06-24202406063921otc alterations permit669 Marina Bl$40,000
2024-05-07202405011186otc alterations permit1370 Valencia St$50,000
2023-11-27202304045043otc alterations permit225 Gough St$150,000
2023-11-08202311080388otc alterations permit753 Vermont St$1
2023-07-06202305268691otc alterations permit753 Vermont St$40,000
2023-05-17202305177959otc alterations permit738 06th Av$15,000
2023-03-09202302172242otc alterations permit3525 Sacramento St$5,000
2023-02-17202302172223otc alterations permit230 Allison St$12,000
2023-01-12202301120119otc alterations permit3521 Sacramento St$6,000
2022-11-17202210124172otc alterations permit3521 Sacramento St$25,000
2018-08-31201808318912otc alterations permit3523 Sacramento St$5,000
2017-10-03201708296332otc alterations permit3800 Clay St$80,000
2017-08-17201708175139otc alterations permit140 South Van Ness Av$4,500
2017-08-02201707313407otc alterations permit1177 California St$800
2017-05-23201705237394otc alterations permit140 South Van Ness Av$25,000
2013-03-05201302281181otc alterations permit355 Edgehill Wy$7,000

Source: DataSF (Building Permits + Building Permits Contacts)

Source: DataSF, City and County of San Francisco (Building Permits; Building Permits Contacts).

Discipline, complaints & legal

No board discipline or complaints found in our current sources. Federal court search (CourtListener): no state-consistent possible match in our last sample run, or not yet run for this contractor.

Around the web

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Reviews

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Homeowner reviews on HomeProFax

No published homeowner reviews yet.

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O'sullivan & Son Construction Inc · General Building Contractor
San Ramon, CA
License on file: CA ••••2262
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Sources for this report

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