Contractor License Proof

Castle Rock Design and Development Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
873578
Status
Active
Classifications
B · General BuildingC-10 · ElectricalC-17 · GlazingC-20 · Warm-Air Heating, Ventilating and Air-ConditioningC-46 · SolarC-8 · Concrete
Contractor bond
$25,000
Workers' comp
Covered
License term on file
March 1, 2006 – March 31, 2028

Business

  • (650) 327 3200 (CSLB public record)
  • 1185 OBRIEN DRIVE, Menlo Park, CA 94025San Mateo County

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Frequently asked questions

Is Castle Rock Design and Development Inc licensed in California?

Yes. Castle Rock Design and Development Inc holds an active California state contractor license (CSLB #873578), verified against the CSLB public record on June 17, 2026.

What is Castle Rock Design and Development Inc's CSLB license number?

Castle Rock Design and Development Inc's California contractor license number is 873578. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.

What kind of work is Castle Rock Design and Development Inc licensed for?

Castle Rock Design and Development Inc is classified under General Building (B), Electrical (C-10), Glazing (C-17), Warm-Air Heating, Ventilating and Air-Conditioning (C-20), Solar (C-46), and Concrete (C-8) by the CSLB.

How do I verify Castle Rock Design and Development Inc's license myself?

Look up license #873578 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of June 17, 2026.

Verify it yourself: How to verify a California contractor license · Look up #873578 on CSLB

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See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.