HVAC Permit in Maricopa County, Arizona

Permit required?

Yes, a permit is required.

When a permit is usually needed

For installation or replacement of any HVAC or air conditioning system

Permit cost and what affects it

Fees are set by the locality and are not published here. See the official fee schedule or contact the office for current amounts.

Permit costs generally depend on the project valuation, the scope of work, and the inspections required. Ask the office how the fee is calculated for your specific project.

Where to apply

• Official permit page
• Permit portal

Frequently asked questions

Do you need a hvac permit in Maricopa County?

A mechanical permit is required in unincorporated Maricopa County for installing or replacing HVAC and air conditioning systems. New ground-mounted HVAC units and A/C replacements are listed as permit types. Web-issued permits are available for A/C and evaporative cooler replacements through the Permit Center for qualifying like-for-like work. Always confirm with the Maricopa County Planning and Development Department before starting.

How much does a hvac permit cost in Maricopa County?

Fees are set by Maricopa County and are not published here. Contact the office for current amounts.

How long does a hvac permit take in Maricopa County?

Processing time for a hvac permit in Maricopa County varies by workload and project scope. Contact the Maricopa County Planning and Development Department for a current estimate.

Where do you apply for a hvac permit in Maricopa County?

You can apply through the Maricopa County permit portal or contact the Maricopa County Planning and Development Department directly. The links are listed on this page.

Official sources

• https://www.maricopa.gov/1629/Construction-Permit-Information
• https://www.maricopa.gov/5116/Permit/