Cornerstone HVAC LLC
ROC license record
- License #
- 361558
- Status (as posted)
- Active on ROC active list of Oct 20, 2026
- Classification
- CR-39 Air Conditioning and Refrigeration (Specialty Dual)
- Qualifying party
- Frisco William Blackburn
- Issued
- Oct 3, 2025
- Expires
- Oct 31, 2027
- Business address
- 12693 N 84th Ln, Peoria, AZ 85381
Verify live status, bond and complaint history on the official ROC Contractor Search (search license 361558).
ROC disciplinary postings
No entries for license 361558 in the ROC Disciplinary Actions postings we have on file (14 files, May 13, 2024 to Oct 20, 2026). That list covers a rolling recent window only and does not include complaints. It is not a clean bill of health.
Before you hire Cornerstone HVAC LLC
- Confirm the license class above covers your exact project.
- Ask for proof of insurance and look up the bond on the ROC record.
- Get a written contract with scope, price, schedule and the ROC license number.
Is this your business? Record details come directly from ROC; corrections must be made with ROC. How to request a page update.