Splitting a parcel (or combining and splitting multiple parcels) into 5 or less parcels is considered a minor lot split. Splitting a parcel (or combining and splitting multiple parcels) into more than 5 parcels is considered a subdivision and must be approved by the Maricopa County Board of Supervisors. For a specific determination if a proposed lot split is considered a minor lot split or a subdivision contact the Arizona Department of Real Estate at:
2910 N 44th Street
Phoenix, AZ 85018
Contact them also at the Arizona Department of Real Estate website. The Maricopa County Planning and Development Department does not review, approve or regulate minor lot splits. Minor lot splits are considered a civil matter.
New Deeds / Records
It's highly advised to contact a surveyor, title company and/or real estate professional to complete a minor lot split. When creating a minor lot split record new deeds with the new, separate legal descriptions for each lot at the Maricopa County Recorder's Office at:
111 S 3rd Avenue
Phoenix, AZ 85003
Or call the recorder's office at 602-506-3535 or visit the recorder's website. Request certified copies of the new deeds at the time of filing and take these to the Maricopa County Assessor's Office:
301 W Jefferson Street
Phoenix, AZ 85003
Also call the assessor's office at 602-506-3406 or visit the assessor's website. to request new tax parcel numbers (APN) for the newly created lots. Please be aware that lots that are split must meet the zoning requirements for the zoning district in which they are located, including minimum lot area and minimum lot width. In addition, any existing buildings or structures on the lots must meet the allowed uses; minimum required building setbacks, maximum lot coverage and related zoning requirements.