Maricopa County, Arizona GIS, parcel, zoning and land-record resources
A county parcel map is a starting point for locating land and finding its public records. Use official Arizona and Maricopa County research paths to locate the parcel, confirm jurisdiction, review land-use and wastewater requirements, open underlying records and preserve unresolved questions in one due-diligence record.
Keep your research beside your property review
Start with an address, parcel number or listing. Keep the findings and questions for that property together in LandGauge.
On desktop, select an official source below to research side by side. Your review stays open while you switch sources. If a website will not display, use Open in new tab.

Confirm the governing jurisdiction first
Maricopa County is a geographic starting point, not proof of permitting authority. Confirm county versus city or town jurisdiction and any tribal, federal or state-land authority. Reservation geography does not establish fee or trust status.
Official research resources
Maricopa County is a geographic starting point, not proof of permitting authority. Confirm county versus city or town jurisdiction and any tribal, federal or state-land authority. Reservation geography does not establish fee or trust status.
Tap a resource to see its details, then open the official source. Use your browser’s Back or close control to return here.
GISMaricopa County GIS and parcel mapping
Open the county mapping resource. Where a GIS service directory is shown, use its map-viewing options to inspect parcel context.
County maps and state aggregate snapshots can differ. Confirm current boundaries, identifiers and acreage with the assessor and underlying documents; mapped acreage is not a survey.
Open official source : Maricopa County GIS and parcel mapping (opens in a new tab)If this source won’t open
Try opening the source in a new tab. It may be temporarily unavailable or require a browser security check.
If the assessor search or map cannot be opened, use the county contact directory or ask the assessor for the parcel record. Have the parcel number and address ready.
Keep this answer unknown until you can verify it. Save a note about what you still need to check. Opening a link or contacting an office does not confirm an answer.
Parcel recordsMaricopa County Assessor
Locate parcel records, assessment maps and the responsible assessor contact.
Assessment records do not establish title, legal access, development approval or surveyed boundaries.
Open official source : Maricopa County Assessor (opens in a new tab)If this source won’t open
Try opening the source in a new tab. It may be temporarily unavailable or require a browser security check.
If the assessor search or map cannot be opened, use the county contact directory or ask the assessor for the parcel record. Have the parcel number and address ready.
Keep this answer unknown until you can verify it. Save a note about what you still need to check. Opening a link or contacting an office does not confirm an answer.
PlanningMaricopa County planning and zoning
Start with the county planning resource to confirm zoning, allowed uses, setbacks, land divisions and subdivision review.
A tax-parcel split is not a development approval. Confirm the applicable county or municipal process and any separate state subdivision requirements before dividing or marketing land.
Open official source : Maricopa County planning and zoning (opens in a new tab)Recorded documentsMaricopa County recorder office discovery
Use the county department directory to locate the Recorder and request deeds, plats, easements, covenants and recorded agreements.
This is an office-discovery path, not a direct document search. Obtain the underlying instruments and title review; a map or index does not prove legal access.
Open official source : Maricopa County recorder office discovery (opens in a new tab)PlanningArizona onsite wastewater and county permits
Use ADEQ's onsite wastewater program and delegated county list to identify the septic permitting office.
Confirm the responsible authority for the property, including tribal land. Obtain site, soil, design, setback and capacity requirements; an existing system does not approve another home or lot.
Open official source : Arizona onsite wastewater and county permits (opens in a new tab)Recorded documentsADWR well records
Find well registration numbers and available well records through the Arizona Department of Water Resources.
A nearby or registered well does not prove reliable yield, water quality, a shared-well entitlement or permission to drill. Review the actual records and agreements.
Open official source : ADWR well records (opens in a new tab)PlanningAssured and Adequate Water Supply
Check ADWR's water-supply review programs and determine which requirements apply to the proposed development.
Confirm Active Management Area boundaries, local mandatory adequacy rules and the project's specific approval or provider commitment. County location alone does not establish water availability.
Open official source : Assured and Adequate Water Supply (opens in a new tab)GISArizona State Land Department Parcel Viewer
Screen state trust land and related land-management context using ASLD's map.
This is not a complete private-parcel title source. Mapped roads and state-land adjacency do not grant legal access or permission to use trust land.
Open official source : Arizona State Land Department Parcel Viewer (opens in a new tab)FloodFEMA Map Service Center
Locate effective flood maps and related map products.
Confirm local floodplain and drainage requirements, including washes and flash flooding. Absence of a mapped flood zone does not establish absence of flood risk.
Open official source : FEMA Map Service Center (opens in a new tab)If this source won’t open
Try opening the source in a new tab. It may be temporarily unavailable or require a browser security check.
Try FEMA’s effective flood map viewer. Confirm the panel and effective date; missing results do not establish that the property is outside a flood zone. You can also ask FEMA’s map specialists for help.
Keep this answer unknown until you can verify it. Save a note about what you still need to check. Opening a link or contacting an office does not confirm an answer.
TerrainUSGS National Map
Screen elevation, contours, drainage and terrain context.
Regional data does not replace a survey or site investigation. Check slope, soils, wildfire exposure and seasonal access separately.
Open official source : USGS National Map (opens in a new tab)Maricopa County GIS and parcel mapping
Open the county mapping resource. Where a GIS service directory is shown, use its map-viewing options to inspect parcel context.
County maps and state aggregate snapshots can differ. Confirm current boundaries, identifiers and acreage with the assessor and underlying documents; mapped acreage is not a survey.
Open official sourceIf this source won’t open
Try opening the source in a new tab. It may be temporarily unavailable or require a browser security check.
If the assessor search or map cannot be opened, use the county contact directory or ask the assessor for the parcel record. Have the parcel number and address ready.
Keep this answer unknown until you can verify it. Save a note about what you still need to check. Opening a link or contacting an office does not confirm an answer.
Maricopa County Assessor
Locate parcel records, assessment maps and the responsible assessor contact.
Assessment records do not establish title, legal access, development approval or surveyed boundaries.
Open official sourceIf this source won’t open
Try opening the source in a new tab. It may be temporarily unavailable or require a browser security check.
If the assessor search or map cannot be opened, use the county contact directory or ask the assessor for the parcel record. Have the parcel number and address ready.
Keep this answer unknown until you can verify it. Save a note about what you still need to check. Opening a link or contacting an office does not confirm an answer.
FEMA Map Service Center
Locate effective flood maps and related map products.
Confirm local floodplain and drainage requirements, including washes and flash flooding. Absence of a mapped flood zone does not establish absence of flood risk.
Open official sourceIf this source won’t open
Try opening the source in a new tab. It may be temporarily unavailable or require a browser security check.
Try FEMA’s effective flood map viewer. Confirm the panel and effective date; missing results do not establish that the property is outside a flood zone. You can also ask FEMA’s map specialists for help.
Keep this answer unknown until you can verify it. Save a note about what you still need to check. Opening a link or contacting an office does not confirm an answer.
A practical Maricopa County research sequence
Arizona's county mapping, water and state-land systems are valuable starting points, but land-use, recording, wastewater, mineral and jurisdiction questions still require the responsible local, state, federal or tribal authority.
- 1
Locate the parcel and confirm the governing authority
Start with the county GIS and assessor resources, then determine whether county, city, tribal, state, federal or another authority controls land use and permitting.
- 2
Verify land-use, subdivision and wastewater rules
Confirm whether zoning applies, allowed uses, setbacks, minimum parcel size, division requirements and the correct septic or wastewater permitting authority.
- 3
Open the underlying records
Review the current deed, plat, survey, easements, covenants, water-right documents, well records and available surface or mineral-interest records.
- 4
Verify physical and access constraints
Investigate legal and physical access, roads, utilities, wells, septic feasibility, arroyos, flash flooding, wildfire, slope, soils, public-land adjacency and seasonal access.
Why Maricopa County research still requires manual verification
Current deeds, plats, surveys, easements, subdivision files, onsite wastewater approvals, water rights and planning decisions may require registration, payment, email, a phone call or an in-person request. Access, minerals, water, wastewater, jurisdiction and buildability conclusions require property-specific confirmation.
Maricopa County, Arizona GIS and zoning questions
Where is the official Maricopa County, Arizona parcel map?
Open the county GIS and assessor links on this page. These are research starting points; confirm current parcel identifiers and facts against recorded documents. Mohave currently requires manual lookup in LandGauge.
Does every rural parcel in Maricopa County have county zoning?
Do not infer zoning or permitting authority from the county name alone. Verify the parcel's municipality, county and any tribal jurisdiction, then obtain the applicable land-use and subdivision requirements.
Do Arizona parcel maps prove boundary and acreage?
No. Mapping supports research but does not replace a recorded survey, deed, plat, assessor confirmation or title work. Preserve discrepancies as items needing verification.
How do I check septic, wells and water rights in Maricopa County?
Use ADEQ's onsite wastewater program and county contacts for septic requirements. Use ADWR for well records and water-supply review. Confirm Active Management Area boundaries, local adequacy requirements, actual permits and any water-provider commitment for the proposed project.
What if an Arizona county record is not online?
Keep it marked as needing verification and contact the county recorder, assessor, planning office, local wastewater authority, ADEQ or ADWR. Missing online information is not evidence that a right, restriction or approval does not exist.
Turn the research into a property record
Start with Arizona and Maricopa County preselected. Add the address, parcel number or listing URL, then save official findings, seller claims and unresolved questions in one Property Review.
Start the Property ReviewLandGauge organizes research starting points. County and map information may change and does not replace a survey, title examination, engineering review, floodplain determination, permit decision or professional advice.