Unincorporated Adams County, Nebraska requires a zoning/building permit for construction, placement or substantial alteration of buildings and structures1. Adams County administers zoning and requires a certificate of occupancy before a structure or land is used or its use changes23. Nebraska's state onsite wastewater program regulates septic systems4.
At a glance
- Building permit
- Required for construction, placement or substantial alteration in unincorporated areas1
- Zoning
- Yes; county zoning districts and overlays apply in unincorporated areas25
- Septic
- State-regulated; most systems avoid a construction permit, but all remain subject to state rules46
- RV living
- Long-term private-land occupancy was not confirmed; ask Planning & Zoning2
- Tiny home
- No specific occupancy or minimum-size rule was confirmed; county zoning still applies2
- Owner-builder
- Own-property work is exempt from contractor registration, not from county permits71
- Floodplain work
- A county floodplain development permit is required in covered hazard areas8
- Occupancy
- A certificate is required before using a structure or land or changing its use3
Who to call
Building permits
Adams County Planning & Zoning
Zoning/building permits, zoning questions, maps, regulations and certificates of occupancy in unincorporated Adams County
500 N Denver Avenue, Hastings, NE 68901
Roads & driveways
County-road driveway permits and county floodplain administration
415 N Adams Central Ave, Juniata NE 68955
Septic permits
Nebraska Department of Water, Energy, and Environment Onsite Wastewater Program
State onsite-wastewater rules, certified professionals, system registration, subdivision review and site-specific permits
245 Fallbrook Blvd., Suite 100, Lincoln, NE 68521
Contact details are copied from each office’s official page and were checked against it on September 27, 2026.
Do you need a building permit in Adams County, Nebraska?
Yes. Unincorporated Adams County requires a zoning/building permit for construction, placement or substantial alteration of a building or structure1. The approval is administered as zoning compliance; a separate county structural building-code inspection program was not confirmed1. Nebraska has a state building code that can apply when a local jurisdiction has not timely adopted an authorized local code, with an exception for construction on a farm or for farm purposes9. Ask Adams County Planning & Zoning which code review, if any, applies to the specific project before finalizing plans10. An owner may perform or arrange work on the owner's own property without becoming a contractor under the state Contractor Registration Act, but that exemption does not remove the Adams County permit requirement71.
Who handles Adams County building permits and zoning?
Adams County Planning & Zoning is the first stop for the county zoning/building permit, zoning maps and regulations10. Call 402-461-7174 or visit 500 N Denver Avenue in Hastings, Nebraska10. A written application must include scaled plans showing relevant lot dimensions, building locations and uses, and water and sanitary-sewer facilities; the lot and building location must be staked before construction11. The Zoning Administrator issues a written permit or denial within 20 days after accepting the application11. A permit expires if work does not start within 90 days or is not completed within 1 year unless the county grants a written extension11. The current county fee amount was not confirmed, so request the fee schedule directly from Planning & Zoning10.
Does Adams County have zoning?
Yes. Adams County has adopted zoning regulations for unincorporated areas, with mapped districts and overlay provisions that can change allowed uses and dimensional requirements by parcel25. Nebraska county zoning authority generally excludes incorporated cities and villages and areas where a city or village is lawfully exercising zoning jurisdiction12. Ask Planning & Zoning to identify both the controlling jurisdiction and the parcel's district before relying on a county map10. Adams County's numeric setbacks, general minimum lot sizes, lot coverage and countywide building-height limits were not confirmed, so obtain the applicable district standards from the office10. Nebraska law allows counties to impose specified standards on manufactured homes, but that authority does not prove Adams County adopted every allowed standard13.
How do septic permits work in Adams County?
The Nebraska Department of Water, Energy, and Environment administers statewide onsite-wastewater requirements for Adams County14. Most Nebraska onsite systems use Authorization by Rule without a construction permit, while systems needing site-specific evaluation because of size, non-domestic waste or siting issues require a state permit6. A new or changed onsite system must also be registered with the department615. Reach the Onsite Wastewater Program at (402) 471-4285 or [email protected]15. A dwelling that generates wastewater must have a compliant onsite system or connect to a public sewer or other wastewater works16. Only 24% of Adams County soils are rated without severe limitations for a conventional septic drain field, so arrange a site evaluation before choosing the house location17.
Can you live in an RV or tiny home on land in Adams County?
We could not confirm an Adams County rule that generally allows or prohibits long-term RV occupancy on private land, temporary private-land camping or tiny-home occupancy2. Take the parcel address, proposed unit and intended duration to Adams County Planning & Zoning before placing or occupying one10. Nebraska's rule restricting camping on public highways, roadside areas and other specified public property does not answer private-land occupancy18. Adams County requires a certificate of occupancy before a structure or land is used or its use changes, and the regulations do not allow a structure to be used as a temporary residence3. A certificate cannot be issued for a partially completed residential building or portion of one3. No numeric county minimum dwelling size was confirmed, and Nebraska's optional manufactured-home standards do not establish a universal minimum for every dwelling13.
Building a home in Adams County: the steps, in order
- Ask Adams County Planning & Zoning to confirm county jurisdiction, the parcel's zoning district, the proposed use and applicable site standards210.
- Have a certified onsite professional evaluate the wastewater area and determine whether the system follows Authorization by Rule or needs a state permit619.
- Submit the county zoning/building application with the required scaled plan, then stake the lot and building location11.
- Contact Adams County Roads about a county-road driveway permit; access to a state highway instead requires a state permit before a driveway is constructed, relocated or altered2021.
- Obtain a floodplain development permit before work in a covered flood-hazard area8.
What should you check before buying land in Adams County?
Verify jurisdiction, zoning district, legal use, lot standards and setbacks with Adams County Planning & Zoning before closing210. Check flood maps and call Adams County Roads, whose page identifies the county floodplain administrator, because development in covered flood-hazard areas needs a floodplain development permit820. Confirm legal road access and ask whether the entrance needs a county driveway permit; a state-highway approach follows the separate state permit process2021. Test septic feasibility early because only 24% of county soils are rated without severe limitations for a conventional drain field17. Water planning matters in a county averaging 27 inches of precipitation annually and experiencing severe drought in 19.7% of years2223. For budgeting, the effective property-tax rate is about 1.4%, and the median annual property-tax bill is $2,6702425.
Watch-outs
- A county zoning/building permit is confirmed, but Adams County's adopted structural building-code edition and general inspection schedule were not confirmed; ask Planning & Zoning before construction110.
- No residential certificate of occupancy may be issued for a partially completed building or portion of a building3.
- County-road driveway questions go to Adams County Roads, while an approach connecting to a state highway requires the state permit path2021.
- Conventional septic conditions may be difficult because only 24% of county soils are rated without severe drain-field limitations17.
Sources
- Adams County Planning & Zoning (2026 county census)
- Adams County Zoning Regulations / Maps (2026 county census)
- Adams County, Nebraska Zoning Regulations 2010 (as amended), quoted and re-checked
- NDEE Onsite Wastewater Treatment Facilities (2026 county census)
- Adams County, Nebraska Zoning Regulations 2010 (as amended), quoted and re-checked
- Onsite Wastewater Program (Nebraska statewide rule), quoted and re-checked
- Nebraska Revised Statute 48-2104 — Registration required (Nebraska statewide rule), quoted and re-checked
- Adams County, Nebraska Zoning Regulations 2010 (as amended), quoted and re-checked
- Nebraska Revised Statute 71-6403: State building code; adopted; amendments (Nebraska statewide rule), quoted and re-checked
- Adams County Planning & Zoning (adamscountyne.gov)
- Adams County, Nebraska Zoning Regulations 2010 (as amended), quoted and re-checked
- Nebraska Revised Statute 23-114 (Nebraska statewide rule), quoted and re-checked
- Nebraska Revised Statute 23-114 (Nebraska statewide rule), quoted and re-checked
- Title 124 Onsite Wastewater Treatment Systems General Permit Booklet, quoted and re-checked
- Nebraska Department of Water, Energy, and Environment Onsite Wastewater Program (dwee.nebraska.gov)
- Onsite Wastewater Treatment Facilities: Just for Homeowners (Nebraska statewide rule), quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Nebraska Revised Statute 39-312 — Camping; permitted; where; violation; penalty (Nebraska statewide rule), quoted and re-checked
- Nebraska Revised Statute 81-15,248 (Nebraska statewide rule), quoted and re-checked
- Adams County Roads (adamscountyne.gov)
- Title 410, Chapter 2 - Driveway and Approach Road Permits (Nebraska statewide rule), quoted and re-checked
- Annual precipitation: Bolthole Index county data
- Share of years in severe drought: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
Written September 27, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.