Nelson Mark, C-55 Water Conditioning Contractor in Salinas, CA
Nelson Mark operating as a sole owner holds an active California contractor license (CSLB #1013286), valid through Apr 30, 2028. First issued in 2016, the license has been on the CSLB roster for 10 years. It carries a single CSLB classification: C-55 — Water Conditioning Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and an exempt workers' compensation status (no employees on payroll). The business is based in Salinas, in Monterey County, California.
- License Number
- 1013286
- Issued
- Apr 26, 2016
- Status
- CLEAR
- Expires
- Apr 30, 2028
- Entity
- Sole Owner
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 101615022
- Effective
- Aug 31, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Mar 30, 2026
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Nelson Mark licensed in California?
Yes. Nelson Mark holds California Contractors State License Board license number 1013286, which is active and in good standing. The license was first issued on April 26, 2016. It is valid through April 30, 2028.
What does Nelson Mark specialize in?
Nelson Mark is licensed for one CSLB classification: C-55 Water Conditioning Contractor.
Where is Nelson Mark headquartered?
Nelson Mark is headquartered at 7505 Paradise Road, Salinas, CA 93907, in Monterey County, California.
Does Nelson Mark have an active surety bond on file with CSLB?
Yes. Nelson Mark has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does Nelson Mark carry workers' compensation coverage?
Nelson Mark reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Nelson Mark's contractor license?
You can verify Nelson Mark's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1013286.
- License issuedApr 26, 2016
- Bond activeAug 31, 2025
- WC coverage startsMar 30, 2026
- License expiresApr 30, 2028
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