Sigma HVAC & Electric Inc

Castro Valley · Alameda County · CA

VERIFIED

Bestopedia verdict

82 / 100 Bestopedia Trust Score

California’s contractor board lists Sigma HVAC & Electric Inc in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is current.

License standing
30 / 30
Years licensed
1.7 / 20
Contractor bond
20 / 20
Workers' comp
20 / 20
Business structure
10 / 10

How the Trust Score is calculated →

The verified record

CSLB license
#1128583 verify on CSLB ↗
Classifications
B, C-10, C-20
Years licensed
1.7 years since 11/01/2024
Contractor bond
$25,000 JET INSURANCE COMPANY
Workers’ comp
Current AMERICAN CASUALTY COMPANY OF READING PA
Business type
Corporation
Qualifying principal
Hao Wu
Address of record
2733 Darlene Ct, Castro Valley, CA 94546

Frequently Asked Questions

Is Sigma HVAC & Electric Inc a licensed HVAC contractor in California?

Yes. Sigma HVAC & Electric Inc holds California CSLB contractor license #1128583 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.

What work is Sigma HVAC & Electric Inc licensed to perform?

License #1128583 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning), plus additional classifications: B, C10.

Is Sigma HVAC & Electric Inc bonded?

Yes. Sigma HVAC & Electric Inc carries contractor's bond #JT010827 for $25,000 through JET INSURANCE COMPANY.

Does Sigma HVAC & Electric Inc carry workers' compensation insurance?

Yes. Workers' compensation insurance is on file with AMERICAN CASUALTY COMPANY OF READING PA, with a policy expiration of 11/12/2026.

How long has Sigma HVAC & Electric Inc held its contractor license?

License #1128583 was originally issued on 11/01/2024, approximately 2 years ago (as of July 2026).

Where is Sigma HVAC & Electric Inc located?

Sigma HVAC & Electric Inc is based in Castro Valley, Alameda County, CA 94546.