Donald Professional
Verified against CSLB on · View on CSLB
License details
- License number
- 638599
- Status
- Active
- Classifications
- C-10 · ElectricalC-36 · PlumbingC-38 · Refrigeration
- Contractor bond
- $25,000
- Workers' comp
- Exempt
- License term on file
- February 27, 1992 – February 29, 2028
Business
- (510) 708 8893 (CSLB public record)
- 136 DECATUR CT, Hercules, CA 94547Contra Costa County
Are you Donald Professional? Claim this listing to manage it.
Claim this listingRequest a free quote
Tell us about your project and we'll connect you with licensed, verified California contractors.
Frequently asked questions
Is Donald Professional licensed in California?
Yes. Donald Professional holds an active California state contractor license (CSLB #638599), verified against the CSLB public record on June 17, 2026.
What is Donald Professional's CSLB license number?
Donald Professional's California contractor license number is 638599. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=638599
What kind of work is Donald Professional licensed for?
Donald Professional is classified under Electrical (C-10) by the CSLB.
How do I verify Donald Professional's license myself?
Look up license #638599 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=638599. 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.