Unincorporated Murray County, Minnesota does not require a residential structural-code building permit, but it does require a zoning certificate for every structure, including small, portable and temporary structures12. Murray County Environmental Services administers zoning, septic, floodplain and shoreland permits2. A new or materially changed septic system needs a county septic permit, and a driveway onto a county road has its own online permit process34.
At a glance
- Building permit
- No residential structural-code permit, but every structure needs a zoning certificate12
- Zoning
- County zoning applies outside incorporated municipalities, subject to stated ordinance exceptions56
- Septic permit
- Required for a new or replacement system and material changes to an existing system73
- RV living
- General private-land occupancy is unconfirmed; special restrictions apply in floodplain districts8
- Tiny home
- No county rule specifically resolving occupancy was confirmed; a zoning certificate is still required1
- Owner-builder
- State contractor-license exemption available if occupancy or rental conditions are met910
- Residential lot size
- District-specific; an individual-septic dwelling lot needs 20,000 sq ft of buildable area11
- County-road driveway
- Online Highway Department permit required for farm/residential and field entrances4
Who to call
Zoning
Murray County Environmental Services, Planning and Zoning Division
Zoning certificates, septic permits, variances, rezoning, grading and filling, conditional uses, floodplains and shoreland in unincorporated Murray County
2500 28th Street, Slayton, Minnesota 56172
Roads & driveways
Murray County Highway Department
Online driveway permits for farm or residential and field entrances on county roads
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 Murray County, Minnesota?
Unincorporated Murray County does not require a residential structural-code building permit, but Murray County requires a zoning certificate before placing or building any structure, whether large, small, portable, temporary or permanent12. Minnesota's State Building Code is the statewide construction standard for structures of the type it governs, although the county materials reviewed do not establish a general county building-inspection program for ordinary homes12. The practical first approval is therefore Environmental Services' zoning review, not a conventional county building permit12. Agricultural buildings have limited ordinance exemptions, including the stated height exemption and a zoning-certificate exemption for agricultural concrete fences and feed bunks, but other zoning, shoreland, floodplain, septic and state requirements can still apply13.
Who handles Murray County permits, and how do you reach them?
Murray County Environmental Services' Planning and Zoning Division is the main land-use office for unincorporated property, at 2500 28th Street in Slayton and (507) 836-11662. The division handles zoning certificates, septic permits, variance and rezoning requests, grading and filling permits, conditional-use permits, floodplains and shoreland2. Applications for a zoning certificate go to the Zoning Administrator on county forms, and a building or alteration application must include a scaled site and building plan14. Murray County does not identify a general county building department for ordinary residential structural permits in the reviewed materials1. For an entrance onto a county road, use the Highway Department's online driveway-permit process or call 507-836-63274. A connection to another public highway remains subject to regulation and a permit from the road authority that controls that road15.
Does Murray County, Minnesota have zoning?
Yes. Murray County's zoning ordinance applies outside incorporated municipal limits, apart from the ordinance's stated exceptions6. Environmental Services administers those land-use controls and requires a zoning certificate for every structure2. Parcel rules depend on the zoning map and district: in the Residential District, an individual-septic single-family lot needs 20,000 square feet of buildable area, while a centrally sewered lot needs 12,000 square feet11. Residential District structures generally have a 50-foot front setback from a public-road right-of-way, 10-foot side yards and a 30-foot rear yard, with a narrower front-setback exception for a qualifying older subdivision16. The ordinary Residential District height limit is 35 feet, while agricultural buildings are exempt from that height rule17. Minimum dwelling size was not confirmed, so ask Environmental Services about the proposed design and parcel district before purchase2.
How do septic permits work in Murray County?
Murray County Environmental Services administers septic permitting and compliance in unincorporated Murray County718. A permit is required for a new or replacement SSTS and for work that changes a system's function, treatment capacity, location, design or layout; minor component work that changes none of those characteristics is excluded3. When new construction, an addition or an alteration also requires an SSTS permit, obtain the septic permit with the land-use permit3. The county reviews septic applications within 15 business days, and an issued permit remains valid for 1 year, with a possible extension of no more than 6 months if construction began before expiration3. The system must pass final inspection before the county issues its Certificate of Compliance19. Only about 3.4% of Murray County soils are rated without severe limits for a conventional drain field, so make the site and soil evaluation an early contingency20.
Can you live in an RV or tiny home on your land in Murray County?
Murray County's reviewed rules do not confirm a general right to occupy an RV or tiny home on private land, so ask Environmental Services about the parcel's district and the proposed duration before relying on either use2. In a floodplain district, new RV parks and campground expansions are prohibited, and an RV in an existing park, campground or lot of record must either meet manufactured-home requirements or remain travel-ready under the ordinance8. Minnesota also requires an annual state license when an area accommodates 5 or more tents or recreational camping vehicles on the covered recurring basis, but that campground rule does not answer ordinary single-RV occupancy21. New manufactured homes installed for occupancy must receive the required federal-standard installation inspection22. Murray County allows manufactured homes in specified agricultural-district and temporary supportive-care circumstances, subject to detailed siting, sanitation and removal conditions23.
Building a home in Murray County: the steps, in order
- Confirm that the parcel is outside an incorporated municipality and ask Environmental Services to identify its county zoning district and overlays62.
- Prepare the scaled site and building plan and apply for the required county zoning certificate142.
- Arrange the septic site evaluation early, then submit the septic application with the land-use application when the project requires both320.
- Apply online to the Highway Department if the project needs a farm, residential or field entrance onto a county road; for another public highway, contact its road authority415.
- If acting as your own contractor, confirm that the state licensing exemption fits your planned occupancy or rental use; the exemption does not waive zoning or other approvals10.
- Keep permitted septic work uncovered for inspection and obtain the final Certificate of Compliance19.
What should you check before buying land in Murray County?
Start with zoning jurisdiction, the parcel's district and any shoreland or floodplain overlay, because Murray County regulates unincorporated land and requires a zoning certificate for every structure62. A house, fill placement, culvert or bridge in a Minnesota floodplain requires a floodplain permit under the applicable community ordinance24. Check septic feasibility before waiving contingencies: only about 3.4% of county soils are rated without severe limits for a conventional drain field20. Murray County is mostly gentle terrain, with about 98.4% of land at a slope of 15% or less, but site drainage and soil suitability still need parcel-level review25. Confirm legal road access and secure the controlling road authority's permit for any new entrance415. For carrying costs, the county's effective property-tax rate is about 0.8%, with a median annual bill near $1,3732627.
Watch-outs
- A Murray County zoning certificate is required even though no residential structural-code building permit is required, and the zoning-certificate rule reaches small, portable and temporary structures12.
- General private-land RV and tiny-home occupancy remains unconfirmed; ask Environmental Services before treating either as a lawful temporary residence2.
- Most Murray County soils carry severe limitations for a conventional drain field, because only about 3.4% are rated without severe limitations20.
- A county-road driveway uses a separate online Highway Department permit, while access to another public highway is controlled by that road's authority415.
Sources
- Murray County Zoning/Permits (2026 county census)
- Murray County Environmental Services, Planning and Zoning Division (murraycountymn.com)
- Murray County Zoning Ordinance, quoted and re-checked
- Murray County Highway Department (murraycountymn.com)
- Murray County Zoning Ordinance (2026 county census)
- Murray County Zoning Ordinance, quoted and re-checked
- Murray County Zoning Ordinance (2026 county census)
- Murray County Zoning Ordinance, quoted and re-checked
- Sec. 326B.805 MN Statutes (2026 county census)
- Sec. 326B.805 MN Statutes (Minnesota statewide rule), quoted and re-checked
- Murray County Zoning Ordinance, quoted and re-checked
- 2025 Minnesota Statutes, section 326B.121 (Minnesota statewide rule), quoted and re-checked
- Murray County Zoning Ordinance, quoted and re-checked
- Murray County Zoning Ordinance, quoted and re-checked
- Minnesota Statutes, section 160.18: Access to roads; approaches (Minnesota statewide rule), quoted and re-checked
- Murray County Zoning Ordinance, quoted and re-checked
- Murray County Zoning Ordinance, quoted and re-checked
- Murray County Zoning Ordinance, quoted and re-checked
- Murray County Zoning Ordinance, quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- 2025 Minnesota Statutes, Chapter 327 (Minnesota statewide rule), quoted and re-checked
- Manufactured home information (Minnesota statewide rule), quoted and re-checked
- Murray County Zoning Ordinance, quoted and re-checked
- Floodplain Regulations (Minnesota statewide rule), quoted and re-checked
- Share of land at 15% slope or less: 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.