Carver County, Minnesota requires building permits in county-administered areas for construction, enlargement, alteration, repair, moving, demolition, occupancy changes and regulated equipment work, with a limited exemption for certain detached accessory structures of 200 square feet or less1. County zoning applies outside incorporated cities and specified areas served by another zoning authority2. Carver County Environmental Services oversees septic systems3.
At a glance
- Building permit
- Required for broad building work; a limited exemption covers certain one-story detached accessory structures of 200 sq ft or less1
- Zoning
- County zoning applies outside incorporated cities and specified areas served by another zoning authority2
- Septic
- County Environmental Services oversees SSTS; a passing compliance inspection must be on file before a property transfer closes34
- Owner-builder
- Available when the owner will occupy the home or retain it as a rental; not for resale or speculation5
- Driveways
- A county building permit is required, plus a road-authority permit: County Engineer for county roads, Town Board for township roads, MnDOT for state highways67
- RV as a residence
- Not permanently; a temporary home is allowed only while building a permitted permanent home, and must be removed within 2 years8
- Floodplain
- The Zoning Administrator requires a permit before specified development in county floodplain districts9
- Minimum home size
- In county-zoned areas, all dwellings, including manufactured homes, need at least 480 sq ft and a width of at least 20 feet10
Who to call
Building permits
Carver County Land Management - Building Permits
Building permits for all ten townships in Carver County (cities issue their own)
landmanagement@carvercountymn.gov
600 East 4th Street, Chaska, MN 55318
Zoning
Carver County Land Management - Zoning
Zoning administration, the zoning code and zoning/policy maps for all ten townships in Carver County
600 East 4th Street, Chaska, MN 55318
Septic permits
Carver County Environmental Services - SSTS Program
Design, installation, inspection and maintenance oversight of subsurface sewage treatment systems (SSTS), plus septic property-transfer requirements and financial assistance
Contact details are copied from each office’s official page and were checked against it on October 13, 2026.
Off-grid gear
Going off-grid in Carver 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.
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Do you need a building permit in Carver County, Minnesota?
In county-administered areas of Carver County, anyone intending to construct, enlarge, alter, repair, move or demolish a building, change its occupancy or use, or undertake regulated gas, mechanical, plumbing or equipment work must apply before starting1. The exemption for a one-story detached accessory structure of 200 square feet or less is limited and does not erase separate plumbing, electrical, mechanical or zoning requirements1. Carver County issues building permits for its townships, while each city reviews work within its own jurisdiction6. An owner may do residential building or improvement work when the owner will occupy the property or retain it as a rental, but the exemption does not cover construction for resale or speculation5. Carver County administers the Minnesota State Building Code; its overview names the 2015 edition, so ask Metro West which edition applies to your application116. A new home needs a final inspection and certificate of occupancy before anyone may occupy or use it12.
Who issues building permits in Carver County, and how do you reach them?
Carver County Land Management handles building permits and zoning for the county's townships613. Schedule an appointment at landmanagement@carvercountymn.gov or (952) 361-1820, and have the site plan, septic and well locations, building size, use and construction value ready6. Carver County's zoning-compliance, application and other zoning-control fees follow the County Board's adopted Carver County Fee Schedule; ask Land Management for the current charges146. After Land Management has received, reviewed, approved and issued the permit, Metro West Inspection Services, Inc. handles inspection scheduling and building-code questions at (763) 479-17206. The permit applicant must request each inspection at least 24 hours ahead and leave the work accessible and exposed; same-day service is not guaranteed, and work that is not ready may draw a reinspection fee15. Paperwork has deadlines too: an application that is incomplete or unpaid after 180 days is treated as abandoned, and a permit can lapse after 180 days of suspension or failure to start, with renewal costing half the original fee plus a $5 state surcharge16.
Does Carver County have zoning?
Carver County zoning applies outside incorporated cities and outside orderly-annexation, joint-powers or similar areas that have another zoning authority2. Land Management oversees zoning for all ten townships13. Inside Chanhassen, the city administers its own zoning; Carver County Environmental Services remains the countywide SSTS oversight office1718. In county-zoned areas, side and rear lot-line setbacks are 15 feet and 30 feet, while bluff rules are stricter19. The general maximum structure height is 35 feet; listed exceptions may reach 100 feet, and taller structures require a conditional use permit20. Minimum lot area varies with the density option, shoreland classification and use, so a parcel cannot be judged from acreage alone21. In the Agriculture District, guest quarters and additional dwelling units are prohibited22.
How do septic permits work in Carver County?
Carver County Environmental Services oversees the design, installation, inspection and maintenance of subsurface sewage treatment systems, or SSTS318. In county-zoned areas of Carver County, premises intended for human occupancy must use central public sewage wherever it is available and feasible; otherwise an on-site system must comply with county SSTS rules23. Off-grid occupancy in county-zoned areas still requires sewage treatment through a compliant SSTS or municipal wastewater system24. Ask Environmental Services at (952) 361-1800 which septic construction, repair or replacement permits your project needs; we could not confirm the complete permit requirements18. Before a property transfer closes, a licensed septic inspector must complete a compliance inspection and a passing report must be on file with Carver County; a failed system must be repaired or replaced before transfer or covered by an approved escrow4. Only about 1.6% of county soils are rated without severe limitations for a conventional drain field, making parcel-level design and inspection especially important25.
Can you live in an RV or tiny home on your land in Carver County?
In county-zoned areas, Carver County does not allow a garage, tent, trailer, cargo container, recreational camping vehicle or accessory building to serve as a permanent dwelling26. A travel trailer, motor home or similar temporary home may house you while a permanent home is being built only after the required building and SSTS permits are issued, an SSTS and code-compliant water supply are available, and a building permit covers the temporary unit8. The temporary unit must leave within 2 years of the permanent-home permit and no later than 30 days after the permanent home receives its certificate of occupancy8. Emergency occupancy generally lasts less than 180 days and needs approval from Land Management and the Building Official8. A tiny home used as a permanent dwelling in county-zoned Carver County must provide independent living facilities and meet the county minimum of 480 square feet and 20 feet in width, so a smaller or narrower design does not qualify2710. Meeting those dimensions still leaves statewide building-code and local zoning requirements to satisfy28.
Building a home in Carver County: the steps, in order
- Identify the zoning authority: Carver County serves its townships, while cities and certain agreement areas have their own authority296.
- Ask Land Management to review the site plan, use, setbacks and any agricultural or accessory-building status before design work is final630.
- Determine whether public sewer is available and feasible; if not, coordinate a compliant SSTS with Environmental Services233.
- Apply before beginning any work covered by the county's broad building-permit requirement1.
- If the site is in a county floodplain district, obtain the Zoning Administrator's development permit before covered construction, fill, excavation, septic work or other listed development9.
- After permit issuance, schedule each building inspection with Metro West at least 24 hours ahead615.
- Complete the final inspection and obtain the certificate of occupancy before moving into the new home12.
What to check before you buy land in Carver County
Confirm the exact zoning authority before relying on county rules, because incorporated cities and certain agreement areas administer their own zoning29. If the property has septic, require the passing compliance report that must be on file before closing, and understand whether a failed system will be repaired or handled through escrow4. Only about 1.6% of Carver County soils are rated without severe limitations for a conventional drain field, so make the proposed house and septic sites part of due diligence25. Splitting a parcel is regulated: in county-zoned Carver County, any change to a lot's size, configuration or shape counts as creating a new lot, and the new lot must meet the county's area, frontage, width, shoreland and septic conditions31. Check the floodplain district before planning construction, grading, fill or septic work9. A new or altered driveway requires approval from the authority controlling the road: the County Engineer for a county road, the Town Board for a township road or MnDOT for a state highway7. The county's effective property-tax rate is about 1%, and the median annual bill is about $4,3803233. Minnesota generally requires notification and a filing fee before constructing a water-supply well; we could not confirm the local administering office, so ask Land Management where to direct the well paperwork346.
Watch-outs
- Carver County contracts inspections out to Metro West Inspection Services, Inc. rather than doing them in-house, so schedule your inspection with that company at (763) 479-1720, not the county planning office6.
- Only about 1.6% of Carver County's soils are rated without severe limitations for a conventional septic drain field, so obtain a parcel-specific evaluation before relying on a proposed septic area25.
- A passing septic compliance report must be on file before a property transfer closes; a failed system must be repaired or replaced first or addressed through escrow4.
Sources
- Building Code Overview Letter, quoted and re-checked
- codelibrary.amlegal.com, quoted and re-checked
- § 152.035 SSTS Standards, quoted and re-checked
- Septic Escrow for Property Transfer, quoted and re-checked
- revisor.mn.gov, quoted and re-checked
- Carver County Land Management - Building Permits (carvercountymn.gov)
- § 152.036 Access Requirements, quoted and re-checked
- § 152.030 No Garage, Tent, Trailer, quoted and re-checked
- § 152.146 Requirements for All Floodplain Districts, quoted and re-checked
- Carver County Code § 152.005, application and jurisdiction, quoted and re-checked
- Building Code Overview Letter, quoted and re-checked
- Building Code Overview Letter, quoted and re-checked
- Carver County Land Management - Zoning (carvercountymn.gov)
- Carver County Code § 152.011, fees, quoted and re-checked
- Building Code Overview Letter, quoted and re-checked
- Building Code Overview Letter, quoted and re-checked
- Chanhassen: Zoning Code (Carver County), quoted and re-checked
- Carver County Environmental Services - SSTS Program (carvercountymn.gov)
- § 152.034 Setbacks, quoted and re-checked
- § 152.037 Height Regulations, quoted and re-checked
- § 152.033 Lot Requirements, quoted and re-checked
- § 152.073 Permitted Accessory Uses and Structures, quoted and re-checked
- § 152.121 Sewage Disposal Requirements, quoted and re-checked
- § 152.035 SSTS Standards, 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
- § 152.030 No Garage, Tent, Trailer, quoted and re-checked
- Carver County Code § 152.005, application and jurisdiction, quoted and re-checked
- Tiny Houses and the 2020 Minnesota Residential Code (Minnesota statewide rule), quoted and re-checked
- § 152.005 Application and Jurisdiction, quoted and re-checked
- § 152.073(B) Agricultural Structures, quoted and re-checked
- § 152.033 Lot Requirements, quoted and re-checked
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- 2025 Minnesota Statutes, section 103I.205: Well Construction (Minnesota statewide rule), quoted and re-checked
Written October 13, 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.