Cornerstone
Lucerne Valley · San Bernardino County · CA
Verified
Bestopedia verdict
California’s contractor board lists Cornerstone with a license standing of CLEAR. A contractor bond is on file, and workers’ compensation coverage is current.
- License standing
- 25 / 25
- Clean record
- 15 / 15
- Track record
- 10.8 / 30
- License continuity
- 10 / 10
- Workers' comp
- 9 / 12
- Contractor bond
- 8 / 8
The verified record
- CSLB license
- #1045004 verify on CSLB ↗
- Classifications
- B
- Years licensed
- 7.8 years since 09/28/2018
- Contractor bond
- $25,000 American Contractors Indemnity Company
- Workers’ comp
- Current
- Business type
- Sole Owner
- Qualifying principal
- David John Brombach
- Address of record
- P O Box 2075, Lucerne Valley, CA 92356
Frequently Asked Questions
Is Cornerstone a licensed General Contractor contractor in California?
Yes. Cornerstone holds California CSLB contractor license #1045004 with a B (General Building) classification. Current CSLB status: CLEAR (as of July 2026).
What work is Cornerstone licensed to perform?
Cornerstone is licensed for B (General Building).
Is Cornerstone bonded?
Yes. Cornerstone carries contractor's bond #100516258 for $25,000 through American Contractors Indemnity Company.
Does Cornerstone carry workers' compensation insurance?
CSLB records list the workers' compensation status for Cornerstone as Exempt.
How long has Cornerstone held its contractor license?
Cornerstone has held California contractor license #1045004 since 09/28/2018, approximately 8 years (as of July 2026).
Where is Cornerstone located?
Cornerstone is based in Lucerne Valley, San Bernardino County, CA 92356.