Steinberg Construction
Claremont · Los Angeles County · CA
VERIFIED
Bestopedia verdict
California’s contractor board lists Steinberg Construction 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
The verified record
- CSLB license
- #548738 verify on CSLB ↗
- Classifications
- B, C-10
- Years licensed
- 37.6 years since 11/18/1988
- Contractor bond
- $25,000 WESTERN SURETY COMPANY
- Workers’ comp
- Current NORGUARD INSURANCE COMPANY
- Business type
- Sole Owner
- Qualifying principal
- Mark Charles Steinberg
- Address of record
- 112 Harvard Ave #31, Claremont, CA 91711
Frequently Asked Questions
Is Steinberg Construction a licensed Electrical contractor in California?
Yes. Steinberg Construction holds California CSLB contractor license #548738 with a C-10 (Electrical) classification. Current CSLB status: CLEAR.
What work is Steinberg Construction licensed to perform?
License #548738 carries C-10 (Electrical), plus additional classifications: B.
Is Steinberg Construction bonded?
Yes. Steinberg Construction carries contractor's bond #67094946 for $25,000 through WESTERN SURETY COMPANY.
Does Steinberg Construction carry workers' compensation insurance?
Yes. Workers' compensation insurance is on file with NORGUARD INSURANCE COMPANY, with a policy expiration of 08/17/2026.
How long has Steinberg Construction held its contractor license?
License #548738 was originally issued on 11/18/1988, approximately 38 years ago (as of July 2026).
Where is Steinberg Construction located?
Steinberg Construction is based in Claremont, Los Angeles County, CA 91711.