Lyon County
Lyon County covers 588 square miles of northwestern Iowa, with the county seat at Rock Rapids.
Open PublicGIS map Lyon County parcel map
Jump to
PublicGIS maps 11,833 parcels for Lyon County. PublicGIS does not show owner names for this county.
Where to find things
- Lyon County parcel mapCounty GIS map · Property lines · Property owner
Beacon property search and parcel map for Lyon County, run by the county, showing parcel lines, parcel numbers and owners.
- Lyon County AssessorProperty records
Values property and keeps parcel ownership records for Lyon County.
Ashley Bathke, Lyon County Assessor- Office
- Lyon County Assessor and GIS and mapping
- Phone
- (712) 472-8550
- alewis@co.lyon.ia.us
More options
- Iowa recorded document searchThe shared portal for all 99 Iowa county recorders. Search recorded deeds, mortgages and plats by name or legal description and order copies.
- Iowa property taxIn Iowa the County Assessor, or a City Assessor in a few cities, values your home and land and the County Treasurer sends the bill. The Department of Revenue sets the rules and runs the homestead and military credits.
- Lyon County property tax search and paymentProperty taxes
Look up and pay Lyon County property taxes online through the county treasurer.
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Farm 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.
More options
- Iowa Department of Natural ResourcesIowa's environmental agency: water quality, wetlands, waste and the permits that go with them.
- Iowa drainage districtsIowa law on levee and drainage districts and their ditches and tile lines. A district is run by the county board of supervisors (or a board of trustees for some districts), and the county auditor keeps the district's drainage record with its assessments; call the county auditor about a district ditch or tile line.
- Conservation Reserve Program (CRP) sign-up, USDA Farm Service AgencyHow the Conservation Reserve Program works, which sign-ups are open and what it pays. You enroll land in CRP at your county Farm Service Agency office at the local USDA Service Center.
- FEMA Flood Map Service CenterFlood zones
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.
More options
- 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.
- FEMA National Flood Hazard Layer ViewerInteractive nationwide map of current flood zones, base flood elevations and map panels.
- Iowa statewide mapAerial imagery
Iowa's statewide interactive map of roads, boundaries and aerial photos. It does not show property lines.
More options
- 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.
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Free statewide recorded document search run by the Iowa county recorders, covering Lyon County deeds and plats; a free account is required.
- Iowa septic system permitsSeptic systems
In Iowa the county board of health permits septic systems under state rules, and a time of transfer inspection is required when most properties are sold. Start here for the rules and your county.
- Iowa building code and construction permitsBuilding permits
Iowa applies the State Building Code to state owned buildings and to any city or county that adopts it, and the State Fire Marshal administers it. Most building permits come from your city or county. Ask locally which code is in force.
- Iowa GIS data downloadsGIS data downloads
Download Iowa's statewide GIS data, such as roads, boundaries, imagery and elevation. It has no statewide property lines.
More options
- 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.
- NCES School District BoundariesNational school district boundary maps and downloadable GIS files, with an address lookup for the district serving a location.
- Iowa state landsPublic land
State-owned land in Iowa: who manages it, what you may do on it, and how leases and easements work.
More options
- USGS map of public and protected landNational map of federal, state, local and other public and protected land from the U.S. Geological Survey Protected Areas Database (PAD-US).
Lyon County offices
- Lyon County AuditorThe county auditor runs elections and serves as clerk to the board of supervisors.
- Phone
- (712) 472-8517
- Address
- 206 S. 2nd Ave., Suite 205, Rock Rapids, IA 51246
- Website
- Visit website
- Lyon County TreasurerCollects property taxes for Lyon County.Stacy Knobloch, County Treasurer
- Phone
- (712) 472-8500
- sknobloch@co.lyon.ia.us
- Address
- 206 S 2nd Ave Suite 107, Rock Rapids, IA 51246
- Website
- Visit website
- Lyon County RecorderRecords deeds, mortgages and plats for Lyon County.
- Phone
- (712) 472-8528
- Address
- 206 S 2nd Ave #203, Rock Rapids, IA 51246
- Website
- Visit website
- Lyon County Engineering & Secondary RoadsMaintains the county's secondary roads and bridges, including gravel road grading and snow plowing.
- Phone
- (712) 472-8230
- Address
- 1305 Forster Ave., Rock Rapids, IA 51246
- Website
- Visit website
- Lyon County USDA FSA and NRCS officeThe Farm Service Agency office for Lyon County is at the Rock Rapids Service Center, 710 N 2ND Ave E, Rock Rapids, IA 51246. 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
- (712) 472-3774
- Address
- 710 N 2ND Ave E, Rock Rapids, IA 51246
- Website
- Visit website
Guides
Other Iowa counties
Neighboring counties
About Lyon County
Lyon County covers 588 square miles of northwestern Iowa, with the county seat at Rock Rapids. The County Assessor values your house and land, except in a few cities that have their own City Assessor. The County Treasurer bills and collects the tax and the County Recorder keeps recorded land documents.