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Williams Construction Inc

General Building Contractor · San Francisco, CA
Active license
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License1 record · Active license
Permits73 on file
Discipline / legalNo board discipline flag
BBBNot yet available
Phone(415) 225-1377
Address2423 47th Avenue

Report verdict

Licensed & active (expires 2028-03-31) · No board discipline flag found in covered sources · 73 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
73 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
73 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: 2025-07-03.

What we checked

LicenseCheckedCA Corporation #804297 · active
BondChecked$25,000 with PHILADELPHIA INDEMNITY INSURANCE COMPANY · as of 2026-10-14
Workers' compCheckedWorkers' Compensation Insurance (OMAHA NATIONAL CASUALTY COMPANY) · as of 2026-10-14
Years licensedCheckedLicensed since 2002
Business registrationNot available in CAState business registry not loaded yet
PermitsChecked73 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 2002 (earliest original issue date on these state license records; not a business start date)

License #TypeStatusIssuedExpiresSource
CA 804297Corporation (B)
Workers' comp: Workers' Compensation Insurance (OMAHA NATIONAL CASUALTY COMPANY); Contractor bond: $25000 (PHILADELPHIA INDEMNITY INSURANCE COMPANY)		clear2002-02-152028-03-31State board

Bond & workers' comp

Contractor bond$25,000 · PHILADELPHIA INDEMNITY INSURANCE COMPANY · effective 2026-02-15
Workers' compWorkers' Compensation Insurance · OMAHA NATIONAL CASUALTY COMPANY · effective 2026-09-03 · expires 2027-09-03

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
2025-07-03202507030195otc alterations permit34 Parker Av$1
2025-06-11202506118440otc alterations permit34 Parker Av$1
2025-06-11202506118445otc alterations permit32 Parker Av$1
2025-06-11202506118444otc alterations permit34 Parker Av$1
2025-05-02202410233553otc alterations permit32 Parker Av$1
2024-12-06202407025671otc alterations permit523 Clement St$1
2024-10-23202410223478otc alterations permit32 Parker Av$1
2024-10-23202410223477otc alterations permit32 Parker Av$1
2024-07-09202407035783otc alterations permit32 Parker Av$1
2024-05-15202405071522otc alterations permit523 Clement St$80,000
2024-05-09202201045337otc alterations permit32 Parker Av$125,000
2023-09-06202304135702otc alterations permit34 Parker Av$1
2023-09-06202304135670otc alterations permit32 Parker Av$1
2023-09-06202304135669otc alterations permit34 Parker Av$1
2023-09-06202304135701otc alterations permit32 Parker Av$1
2023-03-01202303012841otc alterations permit32 Parker Av$25,000
2023-02-14202210214900otc alterations permit34 Parker Av$25,000
2023-02-14202210214899otc alterations permit34 Parker Av$75,000
2023-02-14202210214897otc alterations permit32 Parker Av$125,000
2023-02-14202210214898otc alterations permit32 Parker Av$25,000
2022-12-11202212118052otc alterations permit1283 16th Av$12,000
2022-12-07202211227032otc alterations permit1759 28th Av$10,000
2022-11-02202211015645otc alterations permit1234 Howard St$5,000
2022-11-01202210114107otc alterations permit1759 28th Av$85,000
2022-10-03202208019616otc alterations permit1283 16th Av$100,000
2022-06-08202106283336otc alterations permit227 03rd Av$60,000
2021-11-30202110261188otc alterations permit3464 19th St$1
2021-10-26202109228937otc alterations permit3464 19th St$1
2021-03-03202009144146otc alterations permit125 Saint Germain Av$250,000
2021-02-02202010247336otc alterations permit130 Vasquez Av$75,000
2020-08-05202001313312otc alterations permit187 16th Av$4,000
2020-07-08M1215387otc alterations permit2 Mountain Spring Av—
2019-10-16201906244211otc alterations permit47 Cole St$35,000
2019-10-16201910164600otc alterations permit187 16th Av$3,000
2019-07-08201907024996otc alterations permit11 Whitney St$10,000
2019-07-08201907025023otc alterations permit112 28th St$20,000
2019-04-03201807134515otc alterations permit112 28th St$55,000
2018-10-29201810183535otc alterations permit72 Parker Av$100,000
2018-09-17201809170538otc alterations permit3973 Clay St$40,000
2018-08-03201808036390otc alterations permit394 Fair Oaks St$10,000
2018-07-26201804116051otc alterations permit2423 47th Av$30,000
2018-04-12201804095878otc alterations permit768 Dartmouth St$1
2018-04-02201804025293otc alterations permit940 Duncan St$25,000
2017-10-30201710302603otc alterations permit329 06th Av$20,000
2017-07-20201704254778otc alterations permit624 Brussels St$45,000
2017-05-26201609147715additions alterations or repairs768 Dartmouth St$150,000
2017-03-24201703211913otc alterations permit624 Brussels St$103,558
2017-02-21201702219729otc alterations permit56 Magnolia St$25,000
2016-06-27201606270986otc alterations permit1305 Scott St$5,000
2016-06-20201606200421otc alterations permit1305 Scott St$50,000
2015-06-17201506179206otc alterations permit455 Vallejo St$50,000
2015-02-04201407292400additions alterations or repairs7 Short St$40,000
2015-01-30201501296943otc alterations permit461 Collingwood St$25,000
2014-10-24201410249797otc alterations permit461 Collingwood St$71,000
2014-09-15201409156307otc alterations permit239 08th St$5,000
2014-07-22201407111081otc alterations permit7 Short St$60,000
2014-05-12201405125445otc alterations permit6038 California St$10,000
2014-03-24201403241485otc alterations permit239 08th St$3,000
2014-01-15201312204786otc alterations permit2 Mountain Spring Av$5,000
2013-10-29201310169352otc alterations permit3973 Clay St$5,000
2013-07-03200911191662additions alterations or repairs4426 20th St$20,000
2012-09-26201209260676otc alterations permit1048 Haight St$80,000
2012-07-20201207205354otc alterations permit472 12th Av$20,000
2012-05-16201205160543otc alterations permit546 03rd Av$20,000
2011-09-16201109164905otc alterations permit369 Clipper St$1
2011-09-16201109164907otc alterations permit369 Clipper St$1
2011-09-16201109164903otc alterations permit369 Clipper St$1
2011-09-16201109164906otc alterations permit369 Clipper St$1
2011-03-24201103232722otc alterations permit550 Valley St$35,000
2009-12-01200912012295otc alterations permit180 07th Av$7,000
2005-06-13200506134897otc alterations permit1450 Hayes St$8,000
2005-04-27200504250790otc alterations permit816 Alvarado St$1
2003-02-18200302187673otc alterations permit816 Alvarado St$25,000

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

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Williams Construction Inc · General Building Contractor
San Francisco, CA
License on file: CA ••••4297
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Sources for this report

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