Keystone Construction
Verified against CSLB on · View on CSLB
License details
- License number
- 400436
- Status
- Active
- Classifications
- B · General BuildingC-10 · Electrical
- Contractor bond
- $25,000
- Workers' comp
- Exempt
- License term on file
- February 27, 1981 – February 28, 2027
Business
- (949) 413 6453 (CSLB public record)
- 34519 CALLE NARANTA, Capistrano Beach, CA 92624Orange County
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Frequently asked questions
Is Keystone Construction licensed in California?
Yes. Keystone Construction holds an active California state contractor license (CSLB #400436), verified against the CSLB public record on June 17, 2026.
What is Keystone Construction's CSLB license number?
Keystone Construction's California contractor license number is 400436. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=400436
What kind of work is Keystone Construction licensed for?
Keystone Construction is classified under General Building (B) by the CSLB.
How do I verify Keystone Construction's license myself?
Look up license #400436 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=400436. This page reflects the CSLB public record as of June 17, 2026.
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.