Iowa
Buying Land in Butler County, Iowa
Butler County, seat Allison, administers its own Chapter 335 zoning under a 2012 Comprehensive Land Use Plan, handles wells and septic in-house through a single Environmental Health Specialist, and maintains a 962-mile secondary-road system. Its defining recent land-use fact is water: in September 2016, the Shell Rock River set a new record crest and a failed temporary levee forced hundreds of Clarksville residents from their homes overnight -- a genuinely decisive flood story for anyone evaluating land near the river corridor.
Zoning and subdivision: a standard structure, administered locally
Butler County's Zoning Administrator, Planning and Zoning Commission, and Board of Adjustment administer Zoning Ordinance No. 28 (last amended July 18, 2023) under the county's 2012 Comprehensive Land Use Plan, as amended. Land use here defaults conservatively: any parcel not otherwise classified, including newly unincorporated land, falls into the A-1 Agricultural District until the Board of Supervisors approves a rezoning. Building permits are required for erecting, moving, or structurally altering any building in the unincorporated county, and work in a mapped floodplain requires a separate floodplain permit reviewed through the Zoning Office in addition to whatever review Iowa DNR requires at the state level.
Land divisions go through the county's own Subdivision Ordinance (Number VI, No. 8): the Zoning Administrator reviews a proposed plat for conformance with the ordinance, and minor subdivision plats require formal approval by the Board of Supervisors, acting on the Planning and Zoning Commission's recommendation -- a real two-step public process, not a staff-level sign-off. Confirm current subdivision thresholds and submission requirements directly with the Zoning Office before assuming a small land split is exempt from this review.
Wells and septic: one office, standard fees
Butler County's Environmental Health Specialist issues both well and septic permits, tests private well water, and oversees well reconstruction and plugging. The current well-permit fee is $250, and the specialist conducts an on-site meeting with the well driller before drilling to confirm setbacks and siting. Septic system installation requires a licensed, certified installer and an application to the Environmental Health Specialist along with the applicable fee, followed by a site evaluation before installation proceeds -- consistent with Iowa's general county-administered septic and well framework described on our state hub, with no unusual local wrinkle beyond the standard process.
Roads: a 962-mile secondary-road system
Butler County's Secondary Roads Department, led by County Engineer John Riherd and staffed by roughly 36 employees, designs, builds, and maintains the county's roughly 962-mile network of gravel and paved secondary roads -- everything from routine grading and snow removal to pavement construction and bridge inspection. If a specific parcel's access depends on an unpaved or lightly maintained road, confirm its classification and maintenance priority directly with the Engineer's Office rather than assuming year-round maintained access.
Flooding on the Shell Rock River: a decisive 2016 story -- see the dedicated page
Butler County's Shell Rock River corridor experienced a record-setting flood in September 2016: more than 12 inches of rain fell across the region in 24 hours, the river crested at a record 21.51 feet at Shell Rock, and a failed temporary levee in Clarksville forced hundreds of residents from their homes overnight, drawing a state disaster proclamation that specifically named Butler County. Because this event is extensively documented and directly relevant to evaluating land anywhere near the river corridor, we've written it up separately with the full timeline and sourcing -- and disclosed what we could not confirm (current levee status, any buyout program, and current FIRM revision status) rather than guessing: see our dedicated Flood Zones in Butler County page.
Wind energy: an ordinance exists, but no confirmed active project here
Butler County has adopted its own wind energy systems ordinance, and regional news coverage identifies Butler as one of several area counties -- alongside Black Hawk, Bremer, and Tama -- where an appointed, volunteer Board of Adjustment decides special-permit requests for wind turbines, rather than the county board approving projects directly. That's a real, confirmed structural fact. What we could not confirm in this research pass is any specific active or proposed commercial wind project in Butler County, the ordinance's current adopted setback distances, or any countywide turbine cap -- unlike neighboring Buchanan, Buena Vista, and Chickasaw Counties, where we found decisive, well-documented wind-development stories, Butler County's wind picture is comparatively quiet in the sources available to us. If a wind lease or nearby turbine siting matters for a specific parcel, confirm current ordinance text, any pending applications, and Board of Adjustment case history directly with the Zoning Office rather than assuming either an active project or a settled absence of one.
We also specifically checked whether Rockford's well-known Devonian-era fossil beds (Fossil & Prairie Park) or any gypsum quarrying carry land-use relevance here, since both can affect zoning and mineral-rights questions in the surrounding area. Neither applies to Butler County: Rockford and its fossil park sit in neighboring Floyd County, not Butler County, and no gypsum mining operation was found in Butler County in this research pass -- confirmed not applicable rather than assumed relevant.
Who to Call Before Buying Land in Butler County
The Environmental Health line above is the general county directory number rather than a confirmed direct line for the Environmental Health Specialist -- if it doesn't connect you, call the Auditor's office at 319-346-6547 for a referral. The Zoning Office and Subdivision/Floodplain contacts share the same office, phone, and Zoning Administrator (Misty Day-Kofron); ask specifically which function (zoning, subdivision, or floodplain) you need help with.
Planning & Zoning
Butler County Zoning Office
Zoning district classification, Zoning Ordinance No. 28, subdivision plat review, Board of Adjustment matters, and floodplain development permits for a specific parcel.
Environmental Health
Butler County Environmental Health
Well and septic permitting, well water testing, and well reconstruction/plugging for a specific parcel.
Wells / Private Water
Butler County Environmental Health (Wells)
Private well permits (currently $250) and required pre-drilling site visits for a specific parcel.
Septic / Onsite Wastewater
Butler County Environmental Health (Septic)
Private sewage disposal system permits and site evaluations for a specific parcel.
Subdivision & Land Development
Butler County Zoning Office (Subdivision Ordinance)
Minor and major subdivision plat review, Subdivision Ordinance requirements, and Board of Supervisors approval process for a land division.
Floodplain / Stormwater
Butler County Zoning Office (Floodplain Permits)
Floodplain development permits and current FIRM status for a specific parcel near the Shell Rock River, West Fork Cedar River, or another mapped waterway.
Roads / Driveway / Access
Butler County Engineer / Secondary Roads
Road classification, maintenance status, and access questions for a specific parcel along the county's 962-mile secondary-road system.
Agricultural Extension
Iowa State University Extension and Outreach -- Butler County
Agriculture and natural resources programming, soil and water conservation contacts, and general farm-management questions.
Assessor / Property Tax
Butler County Assessor
Assessed value and property tax questions for a specific parcel.
Recorder / Clerk / Land Records
Butler County Recorder
Recorded deeds, easements, and plat history for a specific parcel.
GIS / Parcel Records
Butler County GIS
Parcel maps and GIS data for a specific address or parcel.
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Get local guidanceTopics Specific to Butler County
Sources
- Zoning — Butler County, Iowa Government (accessed 2026-09)
- Butler County, Iowa, Zoning Ordinance (Unincorporated Areas), No. 28 — Butler County, Iowa Government (accessed 2026-09)
- Planning and Zoning Commission — Butler County, Iowa Government (accessed 2026-09)
- Minutes and Proceedings of a Regular Meeting of the Butler County Board (subdivision plat approval example) — Butler County, Iowa Government (accessed 2026-09)
- Environmental Health — Butler County, Iowa Government (accessed 2026-09)
- Ordinance - establish wind energy systems — Butler County, Iowa Government (accessed 2026-09)
- Wind farm rules left to counties — Waterloo-Cedar Falls Courier (accessed 2026-09)
- Courthouse Spotlight: Butler County Engineer's Office — Butler County Tribune-Journal and Clarksville Star (accessed 2026-09)
- Fossil & Prairie Park State Preserve — Iowa Department of Natural Resources (accessed 2026-09)
- Rockford Township, Floyd County, Iowa — Wikipedia (accessed 2026-09)
- Assessor — Butler County, Iowa Government (accessed 2026-09)
- Recorder — Butler County, Iowa Government (accessed 2026-09)
- GIS — Butler County, Iowa Government (accessed 2026-09)
- About Us -- Iowa State University Extension and Outreach Butler County — Iowa State University Extension and Outreach (accessed 2026-09)
- 2025 and 2024 Iowa Average Land Values, by County — Iowa State University Center for Agricultural and Rural Development (accessed 2026-09)
Last reviewed 2026-09