Unincorporated Swift County, Minnesota requires a building/zoning permit for buildings and additions through the Swift County Zoning Administrator1. County zoning does not apply inside incorporated municipalities, but Swift County Environmental Services still issues septic permits and performs septic inspections countywide23. A separate county State Building Code inspection program could not be confirmed4.
At a glance
- Building permit
- Required for buildings and additions in areas under the county zoning ordinance1
- Zoning
- County zoning applies in unincorporated areas; stricter township rules may apply25
- Residential permit fee
- $50 published building/zoning permit fee for a residence6
- Septic permit
- Issued countywide by Swift County Environmental Services3
- RV or tiny home
- Long-term occupancy rules could not be confirmed; ask Environmental Services2
- Private well
- Notify the Minnesota Department of Health and pay the fee before drilling7
- Owner-builder
- Contractor-license exemption for owners occupying the home or retaining it for rental; required approvals still apply89
- Floodplain
- County permit required for specified development in regulated floodplain districts10
Who to call
Zoning
Swift County Environmental Services
Zoning ordinance enforcement and zoning permits, septic system inspections and permits, feedlot compliance, conditional use, variance and rezoning administration, and wind and solar ordinance compliance
1000 Industry Drive P.O. Box 207 Benson, MN 56215
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 Swift 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 Swift County, Minnesota?
Unincorporated Swift County requires a building/zoning permit for construction of buildings or building additions1. Apply to the Swift County Zoning Administrator with information showing site suitability and a compliant sewage treatment system1. Published fees are $50 for dwellings, additions, mobile homes, cabins, agricultural buildings and residential garages, and $150 for commercial or industrial work6. Inside Benson, the city handles building permits; Swift County Environmental Services remains the septic permitting office countywide113. The Minnesota State Building Code supplies the statewide minimum construction standard, but local enforcement depends on adoption12. Where the code is administered and enforced, work requiring a code permit must be inspected and remain accessible and exposed until approved13. Swift County zoning-compliance inspections are established; a separate county building-code inspection program could not be confirmed, so ask Environmental Services who handles code review for the address414.
Who issues building and septic permits in Swift County?
Swift County Environmental Services handles county zoning enforcement, zoning permits, and septic permit issuance and inspections14. Reach the office at (320) 843-2356 or 1000 Industry Drive, P.O. Box 207, Benson, MN 5621514. For unincorporated land, obtain the building/zoning application from Environmental Services and submit it to the Swift County Zoning Administrator15. County zoning excludes incorporated municipalities; Benson handles its own building permits and zoning21116. Septic permitting and inspections remain with Swift County Environmental Services throughout the county, including city addresses3.
Does Swift County have zoning?
Yes. Swift County regulates development and land use in unincorporated areas, while incorporated municipalities are outside county zoning; more restrictive permanent township ordinances apply where they exist217. The county publishes five districts: Agricultural Preservation District #1, Agricultural Preservation District #2, Urban Development, Floodplain Management and Shoreland Management18. In the Urban Development District, structures must generally sit at least 100 feet from the road centerline and 20 feet from side and rear property lines; the usual height cap is 35 feet, with stated agricultural and utility exceptions1920. Shoreland residential structures generally have a 25-foot height cap, with exceptions for churches and nonresidential agricultural structures21. Inside Benson, the city sets zoning; septic permits remain with Swift County Environmental Services163. Ask Environmental Services to identify an unincorporated parcel's county district and any more restrictive township ordinance145.
How do septic permits work in Swift County?
Swift County Environmental Services issues septic permits and performs septic inspections throughout Swift County, including inside incorporated municipalities3. Minnesota local governments issue construction permits for most systems, while systems designed for more than 10,000 gallons per day require Minnesota Pollution Control Agency permitting22. Swift County's published septic permit fee is $1256. Only about 10% of Swift County soils are rated without severe limitations for a conventional drain field, so obtain a site evaluation before fixing the house location or closing on land23. An unincorporated-area building/zoning permit application must also show that a compliant sewage treatment system will be provided1. The available material does not establish the exact septic inspection sequence; ask Environmental Services when design review, field inspections and final approval occur14.
Can you live in an RV or tiny home on land in Swift County?
Swift County's long-term RV occupancy rule could not be confirmed; ask Environmental Services before using an RV as a residence14. County zoning applies to unincorporated land, and a more restrictive township ordinance may also govern the parcel217. A tiny house used as a dwelling must meet the Minnesota Residential Code, while local zoning decides where the use is allowed24. Minnesota's recreational-camping-area license rule applies to areas accommodating five or more tents or recreational vehicles; it does not settle whether one household may occupy one RV on private land25. Before buying or moving a unit, ask Environmental Services about permitted use, setbacks, sanitation, duration limits and any township ordinance1417.
Building a home in Swift County: the steps, in order
- Ask Environmental Services to identify the county zoning district and any more restrictive township ordinance; inside a city, ask the city for its zoning and building-permit process21714.
- For unincorporated land, obtain the building/zoning permit application and submit it to the Swift County Zoning Administrator15.
- Apply to Swift County Environmental Services for the septic permit and provide the sewage-treatment information required with the building/zoning application261.
- Budget for the published $50 residential building/zoning permit fee and $125 septic permit fee, then complete the septic site evaluation before fixing the house location623.
- Ask who will review the Minnesota State Building Code and perform building-code inspections; a separate county building-code inspection program could not be confirmed274.
What should you check before buying land in Swift County?
Start with written confirmation of the parcel's county zoning district and any more restrictive township ordinance295. Check district-specific lot size, setbacks and height rules, and ask which subdivision provisions govern any planned split30192031. Order a septic site evaluation early because only about 10% of Swift County soils lack severe limitations for a conventional drain field23. Check the floodplain map before choosing a building pad10. Confirm road access with the road authority and plan for state notification before drilling a well287. Swift County's median property-tax bill is about $1,258 a year, with an effective rate near 0.9%3233.
Watch-outs
- Where the Minnesota State Building Code is administered and enforced, work requiring a code permit must remain exposed and accessible until inspection approval; ask Environmental Services who performs building-code inspections for the address1314.
- Minnesota presumes owner construction or improvement of more than 1 property within 24 months is for speculation unless retained for rental; the contractor-license exemption excludes resale or speculation9.
- Long-term RV living, tiny-home occupancy and minimum dwelling size could not be confirmed; ask Environmental Services about the parcel and proposed use14.
Sources
- Section 2: Administration, quoted and re-checked
- swiftcounty.gov, quoted and re-checked
- Subsurface Sewage Treatment Systems Management Ordinance, 2014, quoted and re-checked
- Section 2. Administration, quoted and re-checked
- Swift County Zoning & Land Regulations Code — General Provisions, quoted and re-checked
- Applications-Permits-Forms, quoted and re-checked
- Constructing a New Water-Supply Well in Minnesota, quoted and re-checked
- 2025 Minnesota Statutes, Section 326B.805, quoted and re-checked
- Minnesota Statutes § 326B.805 — Licensing Requirements, quoted and re-checked
- Flood Plain Management District, quoted and re-checked
- Benson: § 150.30 APPLICABILITY OF SUPPLEMENTARY STANDARDS TO MANUFACTURED HOMES (Swift County), quoted and re-checked
- Overview of the Minnesota State Building Code, quoted and re-checked
- 2025 Minnesota Statutes, section 326B.121, quoted and re-checked
- Swift County Environmental Services (swiftcounty.gov)
- Applications-Permits-Forms, quoted and re-checked
- Benson: § 154.057 ZONING MAP (Swift County), quoted and re-checked
- swiftcounty.gov, quoted and re-checked
- Swift County Zoning & Land Regulations Code — General Provisions, quoted and re-checked
- Urban Development District, quoted and re-checked
- Urban Development District, quoted and re-checked
- Shoreland Management District, quoted and re-checked
- SSTS design (Minnesota statewide rule), 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
- Tiny Houses and the 2020 Minnesota Residential Code (Minnesota statewide rule), quoted and re-checked
- 2025 Minnesota Statutes, Chapter 327 (Minnesota statewide rule), quoted and re-checked
- Swift County Environmental Services, quoted and re-checked
- Overview of the Minnesota State Building Code, quoted and re-checked
- Minnesota Statutes, section 160.18: Access to roads; approaches (Minnesota statewide rule), quoted and re-checked
- Swift County Zoning & Land Regulations Code — General Provisions, quoted and re-checked
- Shoreland Management District, quoted and re-checked
- Swift County Code of Ordinances: Chapter 1 Zoning and Land Regulation Code, quoted and re-checked
- Median property tax bill: Bolthole Index county data
- Effective property tax rate: 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.