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Porter Boiler Service Inc

General Building Contractor · Signal Hill, CA
Active license
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License1 record · Active license
Permits100 on file
Discipline / legalNo board discipline flag
BBBNot yet available
Phone(562) 426-2528
Address1166 E 23rd Street

Report verdict

Licensed & active (expires 2027-12-31) · No board discipline flag found in covered sources · 153 permits on file (Los Angeles)

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
100 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
153 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: 2023-05-03.

What we checked

LicenseCheckedCA Corporation #239280 · active
BondChecked$25,000 with OHIO CASUALTY INSURANCE COMPANY (THE) · as of 2026-10-14
Workers' compCheckedWorkers' Compensation Insurance (INSURANCE COMPANY OF THE WEST) · as of 2026-10-14
Years licensedCheckedLicensed since 1965
Business registrationNot available in CAState business registry not loaded yet
PermitsChecked153 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 1965 (earliest original issue date on these state license records; not a business start date)

License #TypeStatusIssuedExpiresSource
CA 239280Corporation (B| C-4)
Workers' comp: Workers' Compensation Insurance (INSURANCE COMPANY OF THE WEST); Contractor bond: $25000 (OHIO CASUALTY INSURANCE COMPANY (THE))		clear1965-11-152027-12-31State board

Bond & workers' comp

Contractor bond$25,000 · OHIO CASUALTY INSURANCE COMPANY (THE) · effective 2023-01-01
Workers' compWorkers' Compensation Insurance · INSURANCE COMPANY OF THE WEST · effective 2026-09-15 · expires 2027-09-15

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
2023-05-0323045-30000-00177Pressure Vessel - Commercial5711 CENTURY BLVD—
2023-04-1723045-10000-00157Pressure Vessel - Commercial5711 CENTURY BLVD—
2023-04-1023045-90000-00141Pressure Vessel - Apartment7432 RESEDA BLVD—
2023-03-0323045-90000-00092Pressure Vessel - Apartment13915 OXNARD ST—
2022-06-3022045-90000-00158Pressure Vessel - Apartment9121 SEPULVEDA BLVD—
2022-06-2922045-90000-00157Pressure Vessel - Apartment831 70TH ST—
2022-06-0222045-90000-00126Pressure Vessel - Apartment831 70TH ST—
2022-05-1822042-10000-10287Plumbing - Commercial526 TOWNE AVE—
2022-05-1122045-90000-00107Pressure Vessel - Commercial526 TOWNE AVE—
2022-05-0922020-10000-00446Nonbldg-New - Commercial526 TOWNE AVE$3,500
2022-03-1422042-30001-05030Plumbing - Apartment7843 VINELAND AVE—
2022-03-1122042-30000-05030Plumbing - Apartment7843 VINELAND AVE—
2022-02-0722045-90000-00038Pressure Vessel - Apartment716 CARONDELET ST—
2022-02-0722045-90000-00039Pressure Vessel - Apartment1315 COCHRAN AVE—
2022-02-0722045-90000-00040Pressure Vessel - Apartment7843 VINELAND AVE—
2021-12-0221042-10000-82514Plumbing - Commercial800 1ST ST—
2021-10-1921045-90000-01276Pressure Vessel - Commercial20550 PRAIRIE ST—
2021-09-1321045-10000-00753Pressure Vessel - Apartment14626 BLYTHE ST—
2021-09-0720042-30002-05885Plumbing - Commercial3550 WILSHIRE BLVD—
2021-09-0221045-90000-00333Pressure Vessel - Commercial5350 HUNTINGTON DR—
2021-08-1321045-10000-00191Pressure Vessel - Apartment800 1ST ST—
2021-07-2821042-20000-15225Plumbing - Apartment800 1ST ST—
2021-07-2821041-20000-29750Electrical - Apartment800 1ST ST—
2021-07-0121045-90000-00152Pressure Vessel - Commercial3700 BROADWAY—
2021-06-0921044-10000-03527HVAC - Commercial800 1ST ST—
2021-05-1121016-10000-08636Bldg-Alter/Repair - Commercial800 1ST ST$2,000
2021-04-1321045-90000-00072Pressure Vessel - Commercial3550 PASADENA AVE—
2021-04-1321045-90000-00074Pressure Vessel - Commercial3550 PASADENA AVE—
2021-04-0720016-10000-17907Bldg-Alter/Repair - Commercial200 OLIVE ST$5,000
2021-04-0720016-10000-17906Bldg-Alter/Repair - Commercial257 HILL ST$5,000
2020-08-1320045-20000-00191Pressure Vessel - Apartment3355 WILSHIRE BLVD—
2020-06-3020045-10000-00142Pressure Vessel - Commercial5112 ALHAMBRA AVE—
2020-04-2420042-90000-08417Plumbing - Commercial526 TOWNE AVE—
2020-03-1920042-90000-06680Plumbing - Commercial526 TOWNE AVE—
2020-03-1920044-90000-03373HVAC - Commercial526 TOWNE AVE—
2020-03-1020042-30000-05885Plumbing - Commercial3550 WILSHIRE BLVD—
2020-02-1320042-30000-03681Plumbing - Commercial3550 WILSHIRE BLVD—
2020-02-1320042-30001-03315Plumbing - Commercial526 TOWNE AVE—
2020-02-1020042-40000-03315Plumbing - Commercial526 TOWNE AVE—
2020-02-0420016-20000-01073Bldg-Alter/Repair - Commercial8943 OSO AVE$5,000
2020-01-2820016-10000-02334Bldg-Alter/Repair - Commercial675 ARDMORE AVE$1,500
2020-01-1420042-20000-00957Plumbing - Commercial8943 OSO AVE—
2020-01-1420045-20000-00013Pressure Vessel - Commercial8943 OSO AVE—
2019-11-0819045-30000-00357Pressure Vessel - Commercial3550 WILSHIRE BLVD—
2019-11-0819044-30000-13949HVAC - Commercial3550 WILSHIRE BLVD—
2019-11-0519045-10000-00355Pressure Vessel - Commercial515 STANFORD AVE—
2019-09-2619044-30000-12047HVAC - Commercial6333 3RD ST—
2019-08-0519045-90000-00248Pressure Vessel - Commercial515 STANFORD AVE—
2019-04-1619042-30000-08632Plumbing - Apartment10375 WILSHIRE BLVD—
2019-04-1619042-30000-08634Plumbing - Commercial1880 ACADEMY DR—
2019-04-1619045-30000-00117Pressure Vessel - Apartment10375 WILSHIRE BLVD—
2019-04-0519045-90000-00110Pressure Vessel - Commercial1880 ACADEMY DR—
2018-09-2518044-10000-06253HVAC - Commercial10375 WILSHIRE BLVD—
2018-09-2418045-90000-00220Pressure Vessel - Commercial1449 AVENUE 46—
2018-09-2018042-30000-22625Plumbing - Apartment2170 CENTURY PARK—
2018-09-1218045-20000-00212Pressure Vessel - Commercial21240 BURBANK BLVD—
2018-08-2118045-10000-00200Pressure Vessel - Commercial9601 CANOGA AVE—
2018-08-2118044-10000-10296HVAC - Commercial9601 CANOGA AVE—
2018-07-0618045-10000-00164Pressure Vessel - Commercial1127 WILSHIRE BLVD—
2018-06-0118016-10000-17382Bldg-Alter/Repair - Apartment10375 WILSHIRE BLVD$10,000
2018-05-2518042-10000-12853Plumbing - Commercial10375 WILSHIRE BLVD—
2018-04-1818045-30000-00095Pressure Vessel - Apartment10375 WILSHIRE BLVD—
2018-04-1818041-30000-14265Electrical - Apartment10375 WILSHIRE BLVD—
2017-12-0517042-10000-29966Plumbing - Apartment2170 CENTURY PARK—
2017-10-3117045-30000-00284Pressure Vessel - Commercial21240 BURBANK BLVD—
2017-10-3117045-30000-00285Pressure Vessel - Commercial3600 WILSHIRE BLVD—
2017-07-1217016-10000-07039Bldg-Alter/Repair - Commercial2052 CENTURY PARK$2,000,000
2017-06-1617044-10000-02140HVAC - Commercial2052 CENTURY PARK—
2017-06-1617042-10000-04183Plumbing - Commercial2052 CENTURY PARK—
2017-06-1517041-30000-20232Electrical - Commercial2052 CENTURY PARK—
2017-06-1517045-30000-00167Pressure Vessel - Commercial2052 CENTURY PARK—
2016-11-2916045-30000-00255Pressure Vessel - Commercial4760 SEPULVEDA BLVD—
2016-01-2216045-30000-00017Pressure Vessel - Apartment10501 WILSHIRE BLVD—
2016-01-2016045-10000-00014Pressure Vessel - Commercial5238 VINELAND AVE—
2015-11-0315045-30000-00246Pressure Vessel - Commercial12100 OLYMPIC BLVD—
2015-07-2915045-30000-00177Pressure Vessel - Commercial300 DOHENY DR—
2015-06-0215042-10000-07720Plumbing - Commercial2170 CENTURY PARK—
2015-05-2714042-10003-18376Plumbing - Commercial2170 CENTURY PARK—
2015-05-2715042-10002-03117Plumbing - Commercial2170 CENTURY PARK—
2015-05-0515042-30001-03117Plumbing - Commercial2170 CENTURY PARK—
2015-04-0115016-30000-02414Bldg-Alter/Repair - Apartment432 CURSON AVE$7,000
2015-04-0115045-30000-00081Pressure Vessel - Apartment432 CURSON AVE—
2015-03-2415016-30000-02323Bldg-Alter/Repair - Apartment510 BURNSIDE AVE$7,000
2015-03-2414042-30002-18376Plumbing - Commercial2170 CENTURY PARK—
2015-03-2415016-30000-02313Bldg-Alter/Repair - Apartment430 BURNSIDE AVE$7,000
2015-03-2415016-30000-02334Bldg-Alter/Repair - Apartment357 CURSON AVE$7,000
2015-03-2415016-30000-02326Bldg-Alter/Repair - 1 or 2 Family Dwelling410 HAUSER BLVD$7,000
2015-03-2415016-30000-02307Bldg-Alter/Repair - Apartment351 FULLER AVE$7,000
2015-03-2415016-30000-02314Bldg-Alter/Repair - 1 or 2 Family Dwelling401 BURNSIDE AVE$7,000
2015-03-2415016-30000-02325Bldg-Alter/Repair - Apartment520 BURNSIDE AVE$7,000
2015-03-2415016-30000-02344Bldg-Alter/Repair - Apartment535 CURSON AVE$7,000
2015-03-2415016-30000-02308Bldg-Alter/Repair - Apartment350 FULLER AVE$7,000
2015-03-2415016-30000-02342Bldg-Alter/Repair - Apartment435 CURSON AVE$7,000
2015-03-2415016-30000-02305Bldg-Alter/Repair - Apartment360 BURNSIDE AVE$7,000
2015-03-2415016-30000-02329Bldg-Alter/Repair - Apartment400 HAUSER BLVD$7,000
2015-03-2415016-30000-02320Bldg-Alter/Repair - Apartment431 BURNSIDE AVE$7,000
2015-03-2415016-30000-02312Bldg-Alter/Repair - Apartment400 BURNSIDE AVE$7,000
2015-03-2415016-30000-02317Bldg-Alter/Repair - Apartment430 FULLER AVE$7,000
2015-03-2415016-30000-02331Bldg-Alter/Repair - Apartment390 HAUSER BLVD$7,000
2015-03-1915045-10000-00046Pressure Vessel - Apartment386 BURNSIDE AVE—

Showing the 100 most recent of 153 permits on file. Source: City of Los Angeles Open Data (LADBS Building Permits)

Permit data: City of Los Angeles Open Data (LADBS Building Permits), licensed under CC BY 4.0. HomeProFax matched permits to licensed contractors; data modified from the original. Not endorsed by the City of Los Angeles. Los Angeles permits shown run through May 2023.

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.

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Porter Boiler Service Inc · General Building Contractor
Signal Hill, CA
License on file: CA ••••9280
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