Mountjoy Waterproofing, C-61/D-6 Concrete-Related Services Contractor in Yucaipa, CA
Mountjoy Waterproofing operating as a sole owner holds an active California contractor license (CSLB #906891), valid through Nov 30, 2027. First issued in 2007, the license has been on the CSLB roster for 19 years. It carries 2 CSLB classifications: C-61/D-6 Concrete-Related Services Contractor and C-61/D-12 Synthetic Products Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Yucaipa, in San Bernardino County, California.
- License Number
- 906891
- Issued
- Nov 21, 2007
- Status
- CLEAR
- Expires
- Nov 30, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100992522
- Effective
- Sep 9, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Nov 10, 2025
- 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 Mountjoy Waterproofing licensed in California?
Yes. Mountjoy Waterproofing holds California Contractors State License Board license number 906891, which is active and in good standing. The license was first issued on November 21, 2007. It is valid through November 30, 2027.
What does Mountjoy Waterproofing specialize in?
Mountjoy Waterproofing is licensed for 2 CSLB classifications: C-61/D-6 Concrete-Related Services Contractor and C-61/D-12 Synthetic Products Contractor.
Where is Mountjoy Waterproofing headquartered?
Mountjoy Waterproofing is headquartered at 33580 Tahitian Place, Yucaipa, CA 92399, in San Bernardino County, California.
Does Mountjoy Waterproofing have an active surety bond on file with CSLB?
Yes. Mountjoy Waterproofing has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Mountjoy Waterproofing carry workers' compensation coverage?
Mountjoy Waterproofing reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Mountjoy Waterproofing's contractor license?
You can verify Mountjoy Waterproofing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=906891.
- License issuedNov 21, 2007
- Bond activeSep 9, 2025
- WC coverage startsNov 10, 2025
- License expiresNov 30, 2027
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