Platte County, Nebraska requires a county floodplain development permit in mapped flood areas, but we could not confirm a general building-permit rule for an ordinary rural home elsewhere12. Outside specified municipal jurisdictions, unincorporated land has no county zoning approval; inside those jurisdictions, ask the city or village about building permits and zoning approval, while septic permits remain with Nebraska DWEE345.
At a glance
- Building permit
- Confirmed for mapped floodplain development; general rural-home rule unconfirmed12
- Zoning
- No county zoning approval outside the 2-mile jurisdiction of Columbus or 1-mile jurisdiction of a village/2nd-class city634
- Septic permits
- State-administered by Nebraska DWEE; most systems need no construction permit under Authorization by Rule57
- Floodplain permit
- Required for development in Platte County's mapped floodplain, which covers over 19% of the county89
- Driveway/approach permit
- Required for county-road access, including changes to an existing driveway; no permit fee10
- Well permit (Central Platte NRD)
- Required before drilling any well over 50 gpm or any replacement well, $50 fee11
- Subdivision plat
- County review applies; individual well-and-septic lots under 3 acres need state environmental approval12
- Owner-builder exemption
- Available for electrical work on an owner's principal single-family residence or farm property, with limits13
Who to call
Floodplain permits
Platte County Floodplain Administrator
Floodplain Development Permit applications for the roughly 85,437 acres (over 19% of the county) that lie in mapped floodplain; housed within the Highway Department
Highway Department, 2610 14th Street, Columbus, NE 68601
Roads & driveways
Platte County Highway Department
Approach-road (driveway and culvert) permits for construction on the public right-of-way of a county road; also administers the Floodplain Administrator function
2610 14th Street, Columbus, NE 68601
Also useful
Receives the final plat for subdivision review before it goes to the Subdivision Review Committee and Board of Supervisors; general county records contact
2610 14th Street, Columbus, NE 68601
Also useful
Nebraska Department of Water, Energy, and Environment (DWEE)
Statewide onsite wastewater (septic) system registration, Authorization by Rule, and permitting for systems that don't qualify for Authorization by Rule
245 Fallbrook Blvd, Suite 100, Lincoln, NE 68521
Contact details are copied from each office’s official page and were checked against it on October 12, 2026.
Off-grid gear
Going off-grid in Platte County means bringing your own water and power. The kit we’d start with:
- Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
- Power Bluetti Solar generators and home battery backup for living off the grid.
- Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
- Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.
These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.
Do you need a building permit in Platte County, Nebraska?
Platte County requires a floodplain development permit for work in a designated floodplain or floodway; the Floodplain Administrator may approve it after the applicable federal requirements are met214. We could not confirm whether an ordinary rural home outside those areas needs a general building permit, so ask the County Clerk before ordering plans or starting work115. Inside a city or village jurisdiction, ask that municipality about its building permit and zoning approval; Nebraska DWEE still administers septic permits statewide45. Nebraska has adopted the 2018 International Building Code and International Residential Code with listed amendments and exclusions16. If a local government has not adopted an authorized code within two years after a state-code update, the state code applies but exempts construction on a farm or for farm purposes; that exemption does not settle electrical, plumbing, septic, floodplain or municipal requirements17. An owner may perform qualifying electrical work on the owner's principal single-family residence or farm property without a state electrical license, but applicable inspections remain13.
Who issues building and driveway permits in Platte County?
Platte County's general building-permit requirement for ordinary rural construction remains unconfirmed; start with the County Clerk, and ask the city or village about building permits within municipal jurisdiction1215. For mapped floodplain development, contact the Floodplain Administrator in the Highway Department914. County-road driveway permits come from the County Highway Superintendent through the Highway Department and cover new approaches, relocation, changes of use, alteration, paving and widening10. Provide the legal description and mark the proposed location with two flags; county staff inspect the site and specify drainage requirements10. Each no-fee permit covers one access location, with review taking approximately 10 working days, weather permitting; that is not a guaranteed deadline10. Required drainage installation and other owner work remain at the owner's expense; notify the Highway Department after completion for final inspection and approval10. Nebraska DWEE administers septic permits separately18.
Does Platte County have zoning?
Platte County has no county zoning districts or zoning approval in unincorporated areas outside the specified municipal extraterritorial jurisdictions319. A property within the 2-mile jurisdiction of Columbus or the 1-mile jurisdiction of a village or second-class city instead requires confirmation with that municipality for zoning approval and any municipal building permit; Nebraska DWEE remains the septic-permit authority45. Columbus sets its own zoning inside city limits, as does Newman Grove, a city mainly in Madison County that reaches into Platte County; DWEE administers the statewide septic program, subject to additional local requirements202118. Outside those jurisdictions, Platte County sets no zoning minimum for dwelling or lot size and no zoning limit for lot coverage or building height22232425. County subdivision rules still set setbacks for lots subject to subdivision review: 20 feet from county or private road rights-of-way and 10 feet from side and rear lot lines26. Floodplain development remains subject to a separate county permit even where county zoning approval is absent1914.
How do septic permits work in Platte County?
Onsite wastewater systems in Platte County follow Nebraska's statewide Title 124 rules, administered by DWEE rather than a county health department518. A wastewater-generating home may use a Title 124-compliant onsite system instead of connecting to a public sewer or other wastewater works, so off-grid sanitation is possible when the onsite design complies; separate local requirements may still apply2728. Most systems qualify for Authorization by Rule without a state construction permit, while systems outside its wastewater or site conditions need a permit7. USDA rates 37.1% of Platte County soils "not limited" for conventional septic drain fields; other ratings do not make septic impossible, but make a parcel-specific evaluation essential29. Inspection work is restricted to certified or otherwise qualified professionals30. Subdivisions using individual wells and septic on lots under 3 acres need state environmental approval12.
Can you live in an RV or tiny home on your land in Platte County?
We could not confirm a Platte County rule that expressly allows or prohibits long-term RV living, temporary camping, tiny-home occupancy, manufactured-home occupancy, or accessory dwellings on private rural land; ask the County Clerk before planning occupancy315. Platte County's lack of county zoning outside specified municipal jurisdictions answers county land-use zoning questions, but it is not by itself permission to occupy every type of structure3. Ask the County Clerk about occupancy and any building permit, and ask DWEE about the septic permit or Authorization by Rule before moving onto the parcel57. Nebraska separately prohibits camping on state or county highways, roadside areas, and parks outside designated campsites; that public-property rule does not answer private-land occupancy31. Inside Columbus or another municipality's jurisdiction, ask that city or village about zoning approval and building permits; DWEE remains responsible for the statewide septic program45.
Building a home in Platte County: the steps, in order
- Ask the County Clerk whether the proposed home needs a general building permit, because the county confirms floodplain permitting but does not resolve ordinary construction elsewhere1.
- Ask the Floodplain Administrator to check the parcel maps and obtain a floodplain development permit before work in a floodplain or floodway914.
- Confirm whether the land falls within Columbus's 2-mile jurisdiction or a village or second-class city's 1-mile jurisdiction; if it does, ask that municipality about its building permit and zoning approval4.
- Have a qualified professional evaluate the septic site and ask DWEE whether Authorization by Rule applies or a septic construction permit is needed327.
- For property within Central Platte NRD, get the required district well permit before drilling a replacement well or a well pumping over 50 gallons per minute11.
- For county-road access, give the Highway Department the legal description, mark the proposed location with two flags and obtain the no-fee driveway permit before construction333435. Notify the Highway Department after driveway construction for final inspection and approval10.
- Arrange state electrical inspection when a new single-family installation includes new service equipment, unless a qualifying local inspection program applies, even if the owner performs qualifying electrical work3613.
- If the building is subject to State Fire Marshal occupancy regulation, request the final inspection and Certificate of Occupancy before use37.
What to check before you buy land in Platte County
Check county, state or FEMA floodplain maps before you buy, since floodplain covers more than 19% of Platte County and development there requires a floodplain development permit914. USDA rates 37.1% of Platte County soils "not limited" for conventional drain fields; a site evaluation determines the design needed on the actual parcel29. Confirm whether the parcel sits inside the 2-mile jurisdiction of Columbus or the 1-mile jurisdiction of a village or second-class city, since that changes who handles zoning approval and may change who handles a building permit; DWEE still handles the septic program45. Check access before buying: Platte County cannot issue a driveway permit within 100 feet of an adjacent intersection's centerline, and required drainage installation may add costs despite the no-fee permit10. For a recently split tract, ask the County Clerk about subdivision review; individual well-and-septic lots under 3 acres need state environmental approval12. Platte County's effective property tax rate is near 1.3%, a median bill around $2,789 a year, against a typical home value of about $283,795383940.
Watch-outs
- Floodplain covers more than 19% of Platte County; no county zoning approval does not remove the separate floodplain development permit914.
- We could not confirm Platte County rules for RV, tiny-home or manufactured-home occupancy on ordinary rural land; ask the County Clerk before relying on the county's no-zoning statement6.
- A no-fee driveway permit does not mean free construction: required drainage installation and other owner work are at the property owner's expense, and the Highway Department must inspect the completed approach for final approval10.
Sources
- Planning & Zoning - Platte County Nebraska (2026 county census)
- Planning & Zoning - Platte County Nebraska, quoted and re-checked
- Planning & Zoning, quoted and re-checked
- Planning & Zoning, quoted and re-checked
- Nebraska DEE - Onsite Wastewater (2026 county census)
- Planning & Zoning (2026 county census)
- Permits, quoted and re-checked
- Floodplain Administrator - Platte County Nebraska, quoted and re-checked
- Platte County Floodplain Administrator (plattecounty.ne.gov)
- PLATTE COUNTY DRIVEWAY PERMIT POLICY, quoted and re-checked
- Well Drilling Permits & Regulations, quoted and re-checked
- Platte County Subdivision Requirements, quoted and re-checked
- State Electrical Act, quoted and re-checked
- Floodplain Administrator - Platte County Nebraska, quoted and re-checked
- Platte County Clerk (plattecounty.ne.gov)
- Nebraska Revised Statute 71-6403, quoted and re-checked
- Nebraska Revised Statute 71-6406, quoted and re-checked
- Onsite Wastewater Program, quoted and re-checked
- Planning & Zoning - Platte County Nebraska, quoted and re-checked
- Columbus: § 151.01 Adoption of the Columbus Land Development Ordinance: Zoning Chapter (Platte County), quoted and re-checked
- Newman Grove: §11-101 Zoning and Subdivision Regulations; Adopted by Reference (Platte County), quoted and re-checked
- Planning & Zoning - Platte County Nebraska, quoted and re-checked
- Planning & Zoning - Platte County Nebraska, quoted and re-checked
- Planning & Zoning - Platte County Nebraska, quoted and re-checked
- Planning & Zoning - Platte County Nebraska, quoted and re-checked
- Platte County Subdivision Requirements, quoted and re-checked
- dwee.nebraska.gov, quoted and re-checked
- dwee.nebraska.gov, quoted and re-checked
- Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
- dee.nebraska.gov, quoted and re-checked
- Nebraska Revised Statute 39-312 — Camping; permitted; where; violation; penalty (Nebraska statewide rule), quoted and re-checked
- Nebraska Department of Water, Energy, and Environment (DWEE) (dwee.nebraska.gov)
- Platte County Highway Department (plattecounty.ne.gov)
- Platte County Driveway Permit Policy, quoted and re-checked
- Permit to Construct Approach Road on Platte County Right-of-Way, quoted and re-checked
- State Electrical Act, quoted and re-checked
- Title 153, Chapter 22 - Certificate of Occupancy, quoted and re-checked
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- Typical home value (Zillow): Bolthole Index county data
Written October 12, 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.