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Working with our community to ensure
a safe and healthy environment.

Ownership Transfers for Properties with Onsite Sewage Disposal Systems in Maricopa County

Pursuant to A.A.C. R18-9-A316: Transfer of Ownership Inspections for On-site Wastewater Treatment facilities:

Onsite wastewater facilities (septic systems) must be transferred from the seller to the buyer when a property is sold. The Notice of Transfer (N.O.T.) form must be given to Maricopa County to update the ownership of the septic system on a given parcel within 15 calendar days after the date of property transfer. Provide a complete N.O.T. application and transfer fee of $50. A N.O.T application is required per parcel.

Incorrect or incomplete N.O.T. forms will be returned with a Deficiency Form to the sender. Please find the most recent ADEQ form at:

Maricopa County accepts only original signatures on Notice of Transfer forms. Forms with faxed signatures will be returned as deficient.

Make check of $50 payable to Maricopa County Environmental Services Department (M.C.E.S.D.).

The Report of Inspection is a disclosure document from the seller to the buyer. The inspection should occur within the six months prior to the transfer of the property. This report is not to be used for submittal purposes unless specifically requested by the Department. The form can be found at:, click on Report of Inspection.

Mail check with Notice of Transfer form to:
Maricopa County Environmental Services
1001 N. Central Ave., Suite 150
Phoenix, AZ 85004
Please contact the Onsite Wastewater Program at with any questions or concerns you may have.