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California contractor license
Rock Hard Effex Inc
Rock Hard Effex Inc of Simi Valley holds California license 901943 (C8 Concrete, C29 Masonry, D12 Synthetic Products). The CSLB file dated Oct 31, 2026 lists it as active.1 It expires Sep 30, 2028.
Active
Rock Hard Effex Inc, Simi Valley
- License
- 901943
- Class
- C8 Concrete; C29 Masonry; D12 Synthetic Products
- Expires
- Sep 30, 2028
- Bond
- $25,000
- Workers' comp
- Insured to Oct 7, 2027
CSLB file dated Oct 31, 2026
From the CSLB file dated Oct 31, 2026. Not a consumer report; check the board before you hire.
Has the board taken action on this license?
None in the CSLB file dated Oct 31, 2026. Confirm with the board: CSLB license check
What bond, insurance and workers' comp are on file?
- Bond
- $25,000Atlantic Specialty Insurance Company, from Dec 22, 2025, continuous
- Liability insurance
- Not in the CSLB fileCheck with the board
- Workers' comp
- InsuredPie Insurance Company (The), from Oct 7, 2024, to Oct 7, 2027
Who is on this license?
- Officer
- Myrna Y. RodriguezSince Sep 10, 2018
- Responsible managing officer, CEO and president
- Johnny RodriguezSince Aug 14, 2007
What work does this license cover?
Issued Aug 14, 2007. Reissued Sep 10, 2018.
- C8 Concrete
- C29 Masonry
- D12 Synthetic Products
Which other Simi Valley businesses hold C8 Concrete?
- Swimming Pool & Spa SurgeonLicensed since 1984
- Cook C Concrete IncLicensed since 2003
- G T Commercial Concrete IncLicensed since 2013
- Victory Builders ConstructionLicensed since 2017
- Premier Cal Concrete IncLicensed since 2019
What should you check before hiring?
What to ask before you hire
- Get the license number in writing. The name on the license should match the name on your contract and invoice.
- Check the class covers the job. A license for one trade doesn't cover another. California license classes
- Ask for a certificate of insurance sent to you by the insurance agent, not handed over by the contractor. How to read a COI
- Ask who will be on site. If a crew works on your property, ask for proof of workers' comp. An exemption on file means the contractor told the CSLB it has no employees.
- Put it in a written contract: license number, price, start date and payment schedule. Check the license again on the day you sign.
If the license is lapsed
- Don't sign or pay a deposit until the CSLB shows the license active again.
- Ask the contractor why. For a bond or insurance lapse, ask for proof that the new bond or policy was filed with the CSLB, then check again.
- If work has started, hold further payments, keep the contract, receipts and photos, and file a complaint with Contractors State License Board (CSLB).
- Check another contractor. California license lookup
Sources
- CSLB License Master (cslb.ca.gov, Oct 31, 2026)
- Contractors State License Board (CSLB)