Johnston Mark C Inc
Verified against CSLB on · View on CSLB
License details
- License number
- 724571
- Status
- Active
- Classifications
- C-36 · Plumbing
- Contractor bond
- $25,000
- Workers' comp
- Exempt
- License term on file
- June 28, 1996 – June 30, 2026
Business
- (916) 825 4450 (CSLB public record)
- 849 8TH AVENUE, Sacramento, CA 95818Sacramento County
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Frequently asked questions
Is Johnston Mark C Inc licensed in California?
Yes. Johnston Mark C Inc holds an active California state contractor license (CSLB #724571), verified against the CSLB public record on June 17, 2026.
What is Johnston Mark C Inc's CSLB license number?
Johnston Mark C Inc's California contractor license number is 724571. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=724571
What kind of work is Johnston Mark C Inc licensed for?
Johnston Mark C Inc is classified under Plumbing (C-36) by the CSLB.
How do I verify Johnston Mark C Inc's license myself?
Look up license #724571 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=724571. 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.