Building permits, zoning and land rules in Thayer County, Nebraska

Unincorporated Thayer County requires a zoning permit before construction, reconstruction, enlargement, alteration or movement of a structure begins¹. Agricultural operations and crop production other than livestock feeding operations are exempt from permit requirements, but the underlying zoning standards still apply; nonresidential farm buildings, irrigation facilities and waste-handling facilities require permits¹. County fees vary under separate County Board resolutions and must be paid before an application is accepted¹. Starting without approval can trigger a late fee of $50 or 1% of the final assessed value, whichever is greater¹. The Zoning Administrator may inspect for zoning compliance, but the county rule does not establish an inspection for every building or permit¹. The county's zoning permit application states that Thayer County has not adopted a building code regulating design and construction; the application still requires compliance with applicable state codes⁴. Nebraska's state building code may apply where a jurisdiction has not timely adopted an authorized local code, except for construction on a farm or for farm purposes⁵. A homeowner who does the work personally is exempt from state contractor registration, but that does not exempt the project from Thayer County's zoning permit³.

Thayer County Zoning & Planning is the first stop for development on land under county jurisdiction⁶. Call 402-768-2180, email zoning@thayercountyne.gov or visit 224 N. 4th in Hebron, Nebraska⁶. Applications must include the required documents and fees, and regulated construction cannot begin until the zoning permit is issued¹. A plot plan must show lot dimensions, existing and proposed parking, water supply, sewage-disposal locations and other pertinent information¹. The application gives a minimum 48-hour approval period, while the regulation gives the administrator 30 days from acceptance to issue a permit or written denial; ask Zoning & Planning to confirm the applicable construction deadlines^1,6. Ask the office for the current fee resolution because county zoning fees may change¹. Before use, occupancy or a water or sewer connection, obtain the Zoning Administrator's approval of a Certificate of Compliance¹.

Thayer County zoning excludes land under municipal planning and zoning jurisdiction¹. Deshler has its own zoning and subdivision regulations; onsite wastewater remains under Nebraska’s state program^2,7. County base districts are AG, TA, RR, R-M, FLEX and I-1; the Official Zoning Map controls the parcel’s district¹. In AG, a single-family dwelling generally needs 3 acres, reducible to 1 acre with prior written NDEE approval¹. RR lots with municipal water or sewer need at least 1 acre, or more if NDEE requires; FLEX lots without municipal water and sewer need 3 acres¹. AG dwelling yards are generally 25 feet, with a 58-foot county-road-centerline measurement where applicable¹. RR also uses 58-foot county-road-centerline setbacks, while FLEX front yards require 83 feet from a state or county road centerline or 50 feet from other platted roads¹. AG dwellings have a 45-foot height limit and 20% coverage limit for buildable lot area¹. R-M mobile-home court standards require 500 square feet of livable area per mobile home and cap principal-use height at 35 feet and accessory-use height at 10 feet¹.

The Nebraska Department of Water, Energy, and Environment administers onsite-wastewater permitting in Thayer County². Most systems are built under Authorization by Rule without a state construction permit, but wastewater quantity, wastewater quality or site conditions can require one². Any onsite system that is constructed or changed must be registered with the department^8,9. Call the Onsite Wastewater Program at (402) 471-4285 or email DWEE.onsite@nebraska.gov⁹. Only 17% of Thayer County soils are rated without severe limitations for a conventional septic drain field, so make a professional site evaluation an early purchase contingency¹⁰. We could not confirm that every ordinary household system receives an inspection, but any inspection that occurs must be performed or supervised by an appropriately certified or licensed professional¹¹.

A site-built tiny house in unincorporated Thayer County is a dwelling of 500 square feet or less and needs a zoning permit before construction¹. It must meet room-dimension, ceiling-height, kitchen, bathroom, utility, egress, foundation, district and septic requirements, and it cannot be built in a floodplain¹. An RV, camper or park-model tiny house is temporary living space rather than a permanent dwelling; it must remain towable, keep its wheels and axles, and cannot have permanent plumbing connections¹. In a permitted RV park or campground, occupancy is limited to 4 continuous months in a 12-month period¹. The county materials do not establish a general rule for living in one RV on a private parcel outside a regulated park, so ask Zoning & Planning before placement^1,6. One ADU per lot may be approved by Conditional Use Permit, with owner occupancy, deed restriction, shared-access and size conditions¹.

1. Ask Thayer County Zoning & Planning whether county or municipal jurisdiction controls, then confirm the Official Zoning Map district and overlays^1,6.

1. Check the district's use, lot, setback, coverage and height standards before finalizing plans¹.

1. Prepare the plot plan, submit the zoning application with the current fee and wait for approval before construction¹.

1. Have an onsite-wastewater professional evaluate the property and determine whether Authorization by Rule or a state permit applies².

1. Ask the Road and Bridge Department whether the entrance needs a right-of-way occupancy request; a new, moved or altered state-highway connection needs a state permit^12,13.

1. Obtain any required floodplain permit and, after the work is complete, the county Certificate of Compliance before occupancy¹.

Before buying in unincorporated Thayer County, confirm jurisdiction, zoning district, overlays and the proposed use with Zoning & Planning^1,6. Dividing land requires subdivision review unless a stated exception applies; review and inspection fees are set separately by the County Board and paid by the developer¹⁴. Development, construction or substantial improvement in the mapped Flood Hazard Overlay District requires a floodplain development permit before work; the county Planning & Zoning Administrator also serves as Floodplain Administrator¹. Site-built tiny houses cannot be built in a floodplain¹. Verify legal access and ask the Road and Bridge Department about right-of-way occupancy; a new, moved or altered state-highway connection needs a state permit^12,13. We could not confirm general private-well permit or off-grid sanitation rules, so ask Zoning & Planning which water authority applies and the state Onsite Wastewater Program about the proposed sanitation system^6,9.