Advanced Inverter Services Inc

Yucaipa · San Bernardino County · CA

VERIFIED

Bestopedia verdict

100 / 100 Bestopedia Trust Score

California’s contractor board lists Advanced Inverter Services Inc in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is current.

License standing
30 / 30
Years licensed
20 / 20
Contractor bond
20 / 20
Workers' comp
20 / 20
Business structure
10 / 10

How the Trust Score is calculated →

The verified record

CSLB license
#812459 verify on CSLB ↗
Classifications
C-10
Years licensed
23.8 years since 09/12/2002
Contractor bond
$25,000 MERCHANTS BONDING COMPANY (MUTUAL)
Workers’ comp
Current HARTFORD CASUALTY INSURANCE COMPANY
Business type
Corporation
Qualifying principal
William Roger Katchmar
Address of record
31776 Yucaipa Blvd Ste 5, Yucaipa, CA 92399

Frequently Asked Questions

Is Advanced Inverter Services Inc a licensed Electrical contractor in California?

Yes. Advanced Inverter Services Inc holds California CSLB contractor license #812459 with a C-10 (Electrical) classification. Current CSLB status: CLEAR.

What work is Advanced Inverter Services Inc licensed to perform?

License #812459 carries C-10 (Electrical).

Is Advanced Inverter Services Inc bonded?

Yes. Advanced Inverter Services Inc carries contractor's bond #100124756 for $25,000 through MERCHANTS BONDING COMPANY (MUTUAL).

Does Advanced Inverter Services Inc carry workers' compensation insurance?

Yes. Workers' compensation insurance is on file with HARTFORD CASUALTY INSURANCE COMPANY, with a policy expiration of 11/01/2026.

How long has Advanced Inverter Services Inc held its contractor license?

License #812459 was originally issued on 09/12/2002, approximately 24 years ago (as of July 2026).

Where is Advanced Inverter Services Inc located?

Advanced Inverter Services Inc is based in Yucaipa, San Bernardino County, CA 92399.