COUNTIES · ARIZONA
Maricopa County vacant land
County seat Phoenix · 9,224 sq mi · 4,420,568 people (2020) · ADWR: Phoenix AMA; Harquahala INA (portion)
The Planning and Development Department regulates development only in unincorporated Maricopa County, and all permit applications are submitted online through Permit Center. The Treasurer's tax lien sale runs through RealAuction (maricopa.arizonataxsale.com) and state-held lien assignment/subtax purchasing opens in July.
Official portals
| Assessor parcel search | mcassessor.maricopa.gov/ Owner of record, mailing address, legal description, acreage, full cash value, use code. |
| GIS / parcel map | data-maricopa.opendata.arcgis.com/ Parcel lines on a map; often downloadable as a FeatureService or shapefile. |
| Treasurer tax liens | treasurer.maricopa.gov/TaxLienInformation/ Delinquent taxes, the February lien sale, and over-the-counter liens. |
| Planning & zoning | www.maricopa.gov/797/Planning-Development Zoning districts, minimum lot sizes, what you can build and where. |
| Building permits | www.maricopa.gov/1629/Construction-Permit-Information Permit applications, owner-builder rules, inspections. |
| Recorder | recorder.maricopa.gov/recording/document-search.html Deeds, easements, plats and the Affidavit of Property Value (sale price). |
Statewide: ADWR well registry (wells and reported depths) at azwater.gov · FEMA flood maps at msc.fema.gov · Arizona Corporation Commission entity search at ecorp.azcc.gov · Statutes at azleg.gov.
Want the Maricopa County parcel pack?
We build county-wide vacant-parcel datasets from each county’s own open data, joined with liens, zoning, roads, wells and flood zones. The next county is whichever one people ask for. Ask for Maricopa.