Registry
Commercial
Walk-in cooler / freezer / commercial refrigeration
Walk-in box or commercial refrigeration system.
inferredHB 803: n/areviewed never
Who can pull the permit
- CACCertified Air-Conditioning Contractor (Class A)
- CMCCertified Mechanical Contractor
- RARegistered Air-Conditioning Contractor
- CGCCertified General Contractor
- CBCCertified Building Contractor
Subs under the prime's permit: EC, ER
Decision — first matching row wins
| # | When | Permit | Type | Reason |
|---|---|---|---|---|
| 1 | otherwise | yes | Mechanical + Electrical (+ Building for structure) | Walk-in coolers/freezers are permitted mechanical + electrical work; a structural box or refrigerant charge over thresholds adds building and mechanical-code review. |
Documents (base)
- Owner authorization / signed permit application (owner or agent signature, notarized where the authority requires)
- Equipment + refrigerant data; electrical
- Contractor registration current with the county (license, GL insurance, workers' comp or exemption on file)