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Rock Island County

Rock Island County covers 428 square miles of northwestern Illinois, with the county seat at Rock Island.

Open PublicGIS map Rock Island County GIS mapping app

Rock Island County official website

Taxes, deeds, permits and other Rock Island County services on GovDir

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PublicGIS maps 65,798 parcels for Rock Island County. PublicGIS does not show owner names for this county.

Where to find things

  • Rock Island County GIS mapping appCounty GIS map · Property lines

    Rock Island County GIS parcel map.

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  • Rock Island County assessment recordsProperty owner · Property records · Parcel number

    The property assessment records the Rock Island County assessment office publishes. Look up a parcel by owner, address or parcel number to see who owns it and what it is assessed at.

    Amy K. Allman, Chief County Assessor
    Office
    Rock Island County Assessment Office
    Phone
    (309) 558-3660
    Address
    1504 Third Avenue, Rock Island, IL 61201
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    • Illinois property taxIn Illinois a township or county assessor values your home and land, the county assessment office equalises it and the County Treasurer sends the bill. The Department of Revenue sets the rules and runs the exemptions.
  • Illinois GIS data downloadsAerial imagery · GIS data downloads · Elevation · Addresses and 911 numbers

    Download Illinois's statewide GIS data, such as roads, boundaries, imagery and elevation. It has no statewide property lines.

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    • Sanborn Fire Insurance MapsDigitized Sanborn fire insurance maps showing building footprints, materials and uses for American towns and cities, widely used in property history and environmental research.
    • USDA NAIP Imagery HubFind and download USDA's leaf-on aerial photography for the contiguous United States. Check coverage and acquisition dates for the area you need.
    • USGS National Map ViewerNational base map with elevation, hydrography, imagery, boundaries and PLSS layers.
    • State Plane Coordinate System zonesThe official State Plane Coordinate System from the National Geodetic Survey: which zone covers each state and county, zone definitions and conversion tools.
    • FEMA National Flood Hazard Layer ViewerInteractive nationwide map of current flood zones, base flood elevations and map panels.
    • NCES School District BoundariesNational school district boundary maps and downloadable GIS files, with an address lookup for the district serving a location.
    • Illinois State Geological SurveyIllinois geology: landslide, earthquake and ground hazards, groundwater, minerals and geologic maps.
    • USGS topoViewBrowse and download every historical USGS topographic map for a location, useful for seeing old roads, buildings and shorelines.
    • US Census GeocoderFree service that converts a street address into map coordinates and census geography. No account needed.

  • Official source for flood insurance rate maps. Enter an address to see the current flood zone and download the FIRM panel and letters of map change.

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    • Illinois floodplain and flood mapsIllinois's floodplain program: the flood maps, the extra rules that apply to building or rebuilding near water, and who runs the program locally.
    • FEMA Disaster DeclarationsSearch federal disaster and emergency declarations by state, county and incident to see whether an area was declared and what assistance was authorized.
    • FEMA Increased Cost of ComplianceFlood insurance coverage that helps pay to elevate, relocate, demolish or floodproof a substantially damaged building.

  • Explains that Illinois drainage districts are local bodies that build and maintain drains and levees, are headed by drainage commissioners, and tax the land inside the district. Commissioners file annual financial reports with the county or circuit court, and the State Archives describes the district records that survive.

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    • NRCS wetland determinations and conservation complianceFarm wetland rules for USDA program participants. Before you drain, fill or clear a wet area in a farm field, ask NRCS at your local USDA Service Center for a wetland determination.
    • Illinois Drainage CodeThe Illinois law that governs drainage districts, drainage commissioners and the ditches, tile and levees they maintain, with its articles listed for browsing.

  • Draw an area on the map to get soil types, drainage, septic suitability, building limitations and farmland ratings.

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  • Illinois's environmental agency: water quality, wetlands, waste and the permits that go with them.

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  • National land cover map for every year since 1985: forest, cropland, developed, wetland, water and change over time.

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    • National Land Cover Database (NLCD) DownloadsFilter and download National Land Cover Database products including Annual NLCD land cover for the contiguous United States. Provides downloadable raster products and links to the viewer for spatial selection.

  • State-owned land in Illinois: who manages it, what you may do on it, and how leases and easements work.

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  • Online search options for Rock Island County recorded land documents.

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  • Rock Island County RecorderSurveys and section corners

    Records deeds, mortgages, liens and plats for Rock Island County.

    Kelly Fisher, County Recorder
    Phone
    309-558-3360
    Address
    1504 3rd Ave., 2nd Floor, Rock Island, IL 61201
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    • NGS survey mark and benchmark mapMap of National Geodetic Survey benchmarks and survey control marks. Zoom to a place, click a mark and open its datasheet with the mark's position, elevation and how to find it on the ground.
    • Illinois licensed land surveyor lookupSearch the Illinois Land Surveyors Licensing Board for a licensed land surveyor by name or license number. Only a licensed surveyor can mark a legal property line on the ground, so check a surveyor's license before you hire one. Board phone 800-560-6420.
    • BLM General Land Office RecordsSearch original federal land patents and survey plats by name or legal description to find the first private owner of a parcel.
    • NGS Survey Mark DatasheetsFederal survey mark datasheets and control monument records, searchable by county or coordinates.
  • Rock Island County Highway DepartmentRoads

    Builds and maintains 202 miles of county highways and 33 bridges in Rock Island County, including snow removal, and advises the township road commissioners. The county page covers driveway/entrance, highway and utility permits.

    Phone
    (309) 787-4668
    Address
    851 10th Avenue West, Milan, IL 61264
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    • Illinois Department of TransportationState highways in Illinois: road maps, projects, and the approach or access permit you need before you build a driveway onto a state road.
    • 811 Before You DigCall 811 or use your state 811 center's website a few business days before any digging, including fence posts, decks, trees and mailboxes. The service is free, and the utilities mark their buried lines with paint or flags. This page lists every state's 811 center.
    • National Pipeline Mapping SystemPublic map viewer of transmission pipelines and operator contacts by county, for excavation planning and emergency response.
  • U.S. wildfire risk mapHazards and emergency information

    Type a community, county or state to see its wildfire likelihood, risk to homes and exposure, with maps and charts. It shows long-term risk, not current fires, and is a screening tool, not an official hazard designation for a property.

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    • U.S. hurricane storm surge risk mapsInteractive map of how deep storm surge flooding could get near the coast in a worst-case hurricane of each category. It does not replace your local hurricane evacuation zone; check the state or county zone lookup for that.
    • U.S. landslide mapInteractive national map of known landslides and how susceptible the ground is to landslides. It is a broad screening map, not a site-specific assessment.

Rock Island County offices

  • Rock Island County GIS DepartmentRuns the GIS and maps for Rock Island County.
    Phone
    309-558-3772
    Email
    jboudi@rockislandcountyil.gov
    Website
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  • Rock Island County USDA FSA and NRCS officeThe Farm Service Agency office for Rock Island County is at the Milan Service Center, 3020 1ST Ave E, Milan, IL 61264. Call it to sign up for the Conservation Reserve Program (CRP) and other farm programs, and for farm and tract records. The Natural Resources Conservation Service (NRCS) works from the same office: ask it for wetland determinations, highly erodible land questions and conservation plans.
    Phone
    (309) 764-1486
    Address
    3020 1ST Ave E, Milan, IL 61264
    Website
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Guides

Other Illinois counties

Neighboring counties

About Rock Island County

Rock Island County covers 428 square miles of northwestern Illinois, with the county seat at Rock Island. The county assessment office values your house and land, the County Treasurer bills and collects the tax, and the County Recorder keeps recorded land documents. In most counties an elected township assessor does the first valuation.

Cities and townships in Rock Island County

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