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C T S Mechanical Inc

General Building Contractor · Chino, CA
Active license
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License1 record · Active license
Permits84 on file
Discipline / legalNo board discipline flag
BBBNot yet available
Phone(909) 465-6361
Address13851 Oaks Ave

Report verdict

Licensed & active (expires 2026-12-31) · No board discipline flag found in covered sources · 84 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
84 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
84 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: 2023-05-01.

What we checked

LicenseCheckedCA Corporation #956045 · active
BondChecked$25,000 with AMERICAN CONTRACTORS INDEMNITY COMPANY · as of 2026-10-14
Workers' compCheckedWorkers' Compensation Insurance (TRAVELERS PROPERTY CASUALTY COMPANY OF AMERICA) · as of 2026-10-14
Years licensedCheckedLicensed since 2010
Business registrationNot available in CAState business registry not loaded yet
PermitsChecked84 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 2010 (earliest original issue date on these state license records; not a business start date)

License #TypeStatusIssuedExpiresSource
CA 956045Corporation (B| C20| C38)
Workers' comp: Workers' Compensation Insurance (TRAVELERS PROPERTY CASUALTY COMPANY OF AMERICA); Contractor bond: $25000 (AMERICAN CONTRACTORS INDEMNITY COMPANY)		clear2010-12-282026-12-31State board

Bond & workers' comp

Contractor bond$25,000 · AMERICAN CONTRACTORS INDEMNITY COMPANY · effective 2023-01-01
Workers' compWorkers' Compensation Insurance · TRAVELERS PROPERTY CASUALTY COMPANY OF AMERICA · effective 2026-05-01 · expires 2027-05-01

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
2023-05-0122016-10000-18389Bldg-Alter/Repair - Commercial2901 LOS FELIZ BLVD$500,000
2023-02-1423041-90000-08780Electrical - Commercial1730 MANCHESTER AVE—
2023-02-1423042-90000-03127Plumbing - Commercial1730 MANCHESTER AVE—
2023-01-2423042-90000-01426Plumbing - Commercial10309 OLYMPIC BLVD—
2023-01-2423041-90000-03803Electrical - Commercial10309 OLYMPIC BLVD—
2022-12-1322041-90000-65624Electrical - Commercial21431 DEVONSHIRE ST—
2022-12-1322042-90000-26998Plumbing - Commercial21431 DEVONSHIRE ST—
2022-11-1621016-20001-21122Bldg-Alter/Repair - Commercial8810 TAMPA AVE$0
2022-11-0322041-20000-57550Electrical - Commercial1050 WESTERN AVE—
2022-11-0322042-20000-23481Plumbing - Commercial1050 WESTERN AVE—
2022-10-0722042-90000-21592Plumbing - Commercial11727 OLYMPIC BLVD—
2022-09-0822016-10000-03674Bldg-Alter/Repair - Commercial6100 SEPULVEDA BLVD$166,900
2022-08-2222042-90000-17574Plumbing - Commercial11727 OLYMPIC BLVD—
2022-08-2222041-90000-41006Electrical - Commercial11727 OLYMPIC BLVD—
2022-03-2422042-90000-06220Plumbing - Commercial19781 RINALDI ST—
2022-03-2422041-90000-13116Electrical - Commercial19781 RINALDI ST—
2022-03-1622044-90000-02801HVAC - Commercial7257 SUNSET BLVD—
2022-03-1622041-90000-11546Electrical - Commercial7257 SUNSET BLVD—
2022-03-0320016-10000-11853Bldg-Alter/Repair - Commercial19781 RINALDI ST$220,000
2022-02-0922041-90000-05573Electrical - Commercial2901 LOS FELIZ BLVD—
2022-02-0922042-90000-02715Plumbing - Commercial2901 LOS FELIZ BLVD—
2021-12-0221016-10000-09638Bldg-Alter/Repair - Commercial2901 LOS FELIZ BLVD$940,500
2020-09-1520044-20000-08737HVAC - Commercial13550 PAXTON ST—
2020-08-2620041-90000-28396Electrical - Commercial2901 LOS FELIZ BLVD—
2020-08-2620044-90000-08147HVAC - Commercial2901 LOS FELIZ BLVD—
2020-02-2718016-10001-34596Bldg-Alter/Repair - Commercial2901 LOS FELIZ BLVD$15,000
2019-04-3019042-10000-09877Plumbing - Commercial2901 LOS FELIZ BLVD—
2019-04-2518041-10000-41001Electrical - Commercial2901 LOS FELIZ BLVD—
2019-04-2518044-10000-14102HVAC - Commercial2901 LOS FELIZ BLVD—
2019-04-2518016-10000-34596Bldg-Alter/Repair - Commercial2901 LOS FELIZ BLVD$105,000
2018-07-2018042-10000-17469Plumbing - Commercial6100 SEPULVEDA BLVD—
2018-07-2018041-10000-27325Electrical - Commercial6100 SEPULVEDA BLVD—
2018-07-2018016-10000-06676Bldg-Alter/Repair - Commercial6100 SEPULVEDA BLVD$10,000
2018-04-0418044-90000-03946HVAC - Commercial15120 SUNSET BLVD—
2017-11-2917044-90000-14889HVAC - Commercial7257 SUNSET BLVD—
2016-08-1916016-10000-11852Bldg-Alter/Repair - Commercial645 9TH ST$4,000
2016-08-1916044-10000-09578HVAC - Commercial645 9TH ST—
2016-08-1916041-10000-29515Electrical - Commercial645 9TH ST—
2016-08-1916016-10000-11851Bldg-Alter/Repair - Commercial12057 WILSHIRE BLVD$4,000
2016-08-1916041-10000-29519Electrical - Commercial12057 WILSHIRE BLVD—
2016-08-1916044-10000-09579HVAC - Commercial12057 WILSHIRE BLVD—
2016-07-1416042-10000-14341Plumbing - Commercial12921 MAGNOLIA BLVD—
2016-07-1416016-20000-12628Bldg-Alter/Repair - Commercial12921 MAGNOLIA BLVD$60,000
2016-07-1416041-10000-24798Electrical - Commercial12921 MAGNOLIA BLVD—
2016-01-1516044-90000-00505HVAC - Commercial14440 BURBANK BLVD—
2015-09-1415016-10000-15413Bldg-Alter/Repair - Commercial16325 VENTURA BLVD$90,000
2015-09-1415042-10000-18470Plumbing - Commercial16325 VENTURA BLVD—
2015-09-1415041-10000-30310Electrical - Commercial16325 VENTURA BLVD—
2015-07-3015044-20000-07745HVAC - Commercial19781 RINALDI ST—
2015-07-2215044-20000-07314HVAC - Commercial10900 MAGNOLIA BLVD—
2015-05-0715016-10000-03412Bldg-Alter/Repair - Commercial22915 VICTORY BLVD$110,000
2015-05-0715041-10000-13825Electrical - Commercial22915 VICTORY BLVD—
2015-05-0715044-10000-04300HVAC - Commercial22915 VICTORY BLVD—
2015-04-0315044-10000-03061HVAC - Commercial5601 WILSHIRE BLVD—
2015-04-0315041-10000-09893Electrical - Commercial5601 WILSHIRE BLVD—
2015-04-0315016-10000-00274Bldg-Alter/Repair - Commercial5601 WILSHIRE BLVD$20,000
2015-01-2715044-10000-00837HVAC - Commercial260 LA BREA AVE—
2015-01-2314042-10001-24843Plumbing - Commercial260 LA BREA AVE—
2015-01-2114042-10000-24843Plumbing - Commercial260 LA BREA AVE—
2015-01-1214041-10001-35482Electrical - Commercial260 LA BREA AVE—
2014-12-2314016-10000-19250Bldg-Alter/Repair - Commercial260 LA BREA AVE$45,000
2014-12-2314041-10000-35482Electrical - Commercial260 LA BREA AVE—
2014-11-1714041-20001-30399Electrical - Commercial12689 GLENOAKS BLVD—
2014-11-1714044-20001-11071HVAC - Commercial12689 GLENOAKS BLVD—
2014-11-1714042-20001-20565Plumbing - Commercial12689 GLENOAKS BLVD—
2014-11-0314044-20000-11071HVAC - Commercial9616 PICO BLVD—
2014-11-0314042-20000-20565Plumbing - Commercial9616 PICO BLVD—
2014-11-0314041-20000-30399Electrical - Commercial9616 PICO BLVD—
2014-10-1414016-20000-17195Bldg-Alter/Repair - Commercial10901 VENTURA BLVD$44,000
2014-10-1414041-20000-23417Electrical - Commercial10901 VENTURA BLVD—
2014-10-1414042-20000-16359Plumbing - Commercial10901 VENTURA BLVD—
2014-10-0614044-10000-10047HVAC - Commercial1748 JEFFERSON BLVD—
2014-09-1114044-10000-09201HVAC - Commercial4760 PICO BLVD—
2014-09-1114042-10000-17718Plumbing - Commercial4760 PICO BLVD—
2014-02-1714044-90000-01492HVAC - Commercial18318 VANOWEN ST—
2014-01-2814044-10000-00809HVAC - Commercial1730 MANCHESTER AVE—
2014-01-2014044-90000-00550HVAC - Commercial12689 GLENOAKS BLVD—
2013-12-0313044-90000-13016HVAC - Commercial10901 VENTURA BLVD—
2013-12-0213016-20000-18842Bldg-Alter/Repair - Commercial10901 VENTURA BLVD$50,000
2013-12-0213042-20000-23207Plumbing - Commercial10901 VENTURA BLVD—
2013-12-0213041-20000-33402Electrical - Commercial10901 VENTURA BLVD—
2013-11-1813044-90000-12496HVAC - Commercial11870 ROSCOE BLVD—
2013-08-0513044-90000-08113HVAC - Commercial21909 VENTURA BLVD—
2013-05-2413044-90000-05356HVAC - Commercial2720 BEVERLY BLVD—

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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C T S Mechanical Inc · General Building Contractor
Chino, CA
License on file: CA ••••6045
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