Bolthole Index

Houston County, Minnesota

Building permits, zoning and land rules in Caledonia, Minnesota

Caledonia, Minnesota directs building and construction permitting to the city Planning & Zoning Department; new residential homes need a land-use permit.12 Caledonia administers its own zoning within city limits, rather than Houston County’s unincorporated-area zoning.34 Private sewage disposal in Caledonia’s sewer service area requires City Council approval, and RV sleeping requires a Council license or permit.56

At a glance

Building and land-use applications
City Planning & Zoning; new-home land-use permit is $10012
Zoning
City zoning applies inside Caledonia3
Private sewage disposal
City Council approval required within the sewer service area5
RV living
Council license or permit required; 30 days per year unless specially permitted6
Small homes
R-1 one-story dwellings need 864 square feet; basement-less dwellings need 1,0007
Owner-builder
State contractor-license exemption for qualifying owners; construction approvals still apply8

Who to call

Building permits

Caledonia Planning & Zoning Department

City building and construction permitting, zoning applications, and questions for the Public Works & Zoning Director

(507) 725-3462

231 E. Main Street

Online permits →

Septic permits

Houston County Zoning & Planning Department — septic applications

County septic application intake; ask this office and the city to confirm responsibility for a Caledonia parcel

304 South Marshall Street - Room 209, Caledonia, MN 55921

Contact details are copied from each office’s official page and were checked against it on October 11, 2026.

Off-grid gear

Going off-grid in Caledonia means bringing your own water and power. The kit we’d start with:

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Do you need a building permit in Caledonia, MN, and who issues it?

Caledonia’s Planning & Zoning Department handles building and construction permitting, zoning requests, and applications at City Hall.1 A land-use permit for a new residential home costs $100, and the city lists total water and sewer connection fees of $1,000 as current new-home incentive rates.2 Those rates do not establish a complete building-permit fee schedule; ask the city for the charges and approvals for your proposed work.2

The Minnesota State Building Code governs applicable construction in Caledonia.9 In Caledonia floodplain districts, covered building work and other development require a permit from the Zoning Administrator before work begins.10 Call the Public Works & Zoning Director through the city office listed here to discuss a specific project.11

Does Caledonia have zoning, minimum lot sizes and setbacks?

Caledonia’s Planning & Zoning Department administers city zoning; identify the parcel’s district before choosing a house plan.3 In Caledonia’s R-1 Suburban Residential District, minimum lot area is 10,000 square feet, with minimum width of 75 feet and depth of 125 feet.12 In R-2 Urban Residential, minimum lot area is 7,200 square feet, with width of 60 feet and depth of 120 feet.13

Caledonia’s R-1 and R-2 districts require a front setback of 30 feet from a city street, side yards of 10 feet and a rear yard of 30 feet; highway and county-road front setbacks differ.1415 R-1 also has an existing-residence averaging exception for qualifying blocks, excluding corner lots.14 In Caledonia’s AG Agriculture District, non-farm single-family residences require at least 5 acres, while the cited lot-dimension provisions impose no minimum on farm residences.16

How do septic permits work inside Caledonia?

Within Caledonia’s sewer service area, septic tanks, drainfields, cesspools, holding tanks and other private sewage disposal systems are prohibited unless the City Council approves them.5 An off-grid sanitation proposal within that area therefore needs Council approval even if the proposed system avoids a conventional drainfield.17 Ask Caledonia Planning & Zoning to confirm whether the parcel lies within the sewer service area before designing private sewage disposal.511

Most Minnesota septic systems require construction permits from the applicable county, city or township.18 Houston County’s current septic page directs completed applications to the Zoning & Planning Department.19 We could not confirm general septic permitting responsibility inside Caledonia outside the sewer-service-area rule; ask the city and the county’s septic application office which authority will review the address.1119

Can you live in an RV or tiny home in Caledonia?

Living or sleeping in recreational equipment inside Caledonia requires a City Council license or permit, and no public street may be used.6 Caledonia limits that use to 30 days in any year unless a special license or permit is obtained, with the owner’s consent and water, toilet and garbage facilities available around the clock.6 Caledonia also prohibits permanent dwelling use of a trailer or accessory building.620

A temporary mobile home used during construction in Caledonia’s residential or farm-residential districts needs Zoning Administrator approval; the permit expires when construction finishes or within 180 days, whichever comes first, with renewal possible.21 Tiny houses must meet applicable Minnesota building-code and local zoning requirements.22 Caledonia’s R-1 one-story dwelling minimum is 864 square feet, and basement-less dwellings need 1,000 square feet, so a small-house proposal must be checked against the district’s size rules.7

Building a home in Caledonia: what are the steps, in order?

  1. Confirm the parcel’s city zoning district with Caledonia Planning & Zoning and use the city’s linked zoning map and zoning application.1
  2. Check lot dimensions and the building envelope against the relevant district: Caledonia’s R-1 and R-2 lot sizes and setbacks differ from the AG district’s requirements.12131623
  3. Resolve sewage disposal with the city before planning a private system within Caledonia’s sewer service area, where Council approval is required.5
  4. Submit the city land-use application and discuss construction approvals with Planning & Zoning; covered floodplain development requires the Zoning Administrator’s permit before work.110
  5. Ask the city who performs inspections and what approval is needed before occupancy; we could not confirm Caledonia’s general inspection schedule or occupancy procedure.11

Minnesota’s qualifying owner-builder exemption concerns contractor licensing and does not waive applicable construction permits or inspections.8

What should you check before buying land in Caledonia?

For land outside Caledonia city limits, use the Houston County guide: the county zoning ordinance applies outside incorporated municipalities, unless a municipality elects to come under it.4 Within Caledonia, start with the city’s Planning & Zoning Department for development and building questions.1

Caledonia floodplain approvals cover more than houses: on-site septic systems, fill, excavation and other listed development also require approval.24 A direct driveway connection to or from a Minnesota state highway requires a MnDOT permit before construction or modification.25 Minnesota generally requires advance notification and a filing fee for water-supply well construction; that is a notification requirement rather than a universal well-construction permit.26 Ask the city about water service and whether a private-well proposal is compatible with the parcel’s development plan.11

Watch-outs

  • Caledonia’s RV sleeping limit is 30 days per year unless specially permitted; a construction project does not by itself authorize RV occupancy.6
  • Caledonia’s advertised $100 new-home land-use permit is not a complete building-permit fee schedule; ask Planning & Zoning for all applicable charges.211
  • We could not confirm Caledonia’s general septic permitting authority outside the sewer-service-area rule; confirm the parcel with city Planning & Zoning and Houston County’s septic application office.1119

Sources

  1. Planning & Zoning (Caledonia), quoted and re-checked
  2. caledoniamn.gov (Caledonia), quoted and re-checked
  3. Planning & Zoning (Caledonia), quoted and re-checked
  4. Houston County Zoning Ordinance, quoted and re-checked
  5. § 53.032. Septic tanks prohibited (Caledonia), quoted and re-checked
  6. § 74.02. Park trailers, travel trailers, motor homes and the like (Caledonia), quoted and re-checked
  7. § 153.079. Performance standards, R-1 Suburban Residential District (Caledonia), quoted and re-checked
  8. revisor.mn.gov (Minnesota statewide rule), quoted and re-checked
  9. Minnesota Statutes Chapter 326B (Caledonia), quoted and re-checked
  10. § 151.041. Permit required (Caledonia), quoted and re-checked
  11. Caledonia Planning & Zoning Department (caledoniamn.gov)
  12. § 153.079. Performance standards, R-1 Suburban Residential District (Caledonia), quoted and re-checked
  13. § 153.094. Performance standards, R-2 Urban Residential District (Caledonia), quoted and re-checked
  14. § 153.079. Performance standards, R-1 Suburban Residential District (Caledonia), quoted and re-checked
  15. § 153.094. Performance standards, R-2 Urban Residential District (Caledonia), quoted and re-checked
  16. § 153.064. Performance standards, AG Agriculture District (Caledonia), quoted and re-checked
  17. § 53.032. Septic tanks prohibited (Caledonia), quoted and re-checked
  18. SSTS design (Minnesota statewide rule), quoted and re-checked
  19. Houston County Zoning & Planning Department — septic applications (hocomn.gov)
  20. § 153.195. Dwelling units prohibited (Caledonia), quoted and re-checked
  21. § 153.258. Temporary dwelling unit during construction (Caledonia), quoted and re-checked
  22. Tiny Houses and the 2020 Minnesota Residential Code (Minnesota statewide rule), quoted and re-checked
  23. § 153.064. Performance standards, AG Agriculture District (Caledonia), quoted and re-checked
  24. § 151.041. Permit required (Caledonia), quoted and re-checked
  25. MnDOT Access Management Manual, Chapter 4 (Minnesota statewide rule), quoted and re-checked
  26. 2025 Minnesota Statutes, section 103I.205: Well Construction (Minnesota statewide rule), quoted and re-checked

Written October 11, 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.

Answers from the rulebook for Caledonia

Caledonia’s own rules

  • Building permitLimited

    Buildings and other development in Caledonia floodplain districts.

    • A permit is required before erection, addition, modification, rehabilitation, or alteration of a building or structure.
    • The same section also covers on-site septic systems, certain fences, fill, excavation, storage, watercourse alterations, and other development.
    • Applications are submitted to the Zoning Administrator.
    “A permit must be obtained from the Zoning Administrator”
  • Local zoningPresent

    Land inside Caledonia city limits; the City Planning & Zoning Department administers planning and zoning.

    “responsible for planning and zoning issues”
  • Living in an RVLimited

    Use of recreational equipment for living or sleeping within Caledonia's corporate limits.

    • A City Council license or permit is required.
    • No public street may be used.
    • Only one unit is permitted on an average-sized private lot with owner's consent.
    • Water, toilet, and garbage facilities must be available 24 hours per day.
    • Use is limited to 30 days in any one year unless a special license or permit is obtained.
    • The location must comply with Chapter 153.
    • No permanent dwelling use is allowed for a trailer or accessory building under § 153.195.

    maximum period: 30 days in any one year (unless by special license or permit)

    “use recreational equipment for living or sleeping purposes”
  • Camping on your landLimited

    Temporary camping or overnight living in recreational equipment on private property inside Caledonia city limits.

    • A City Council license or permit is required for living or sleeping in recreational equipment.
    • Use is limited to 30 days in any one year unless specially permitted.
    • One unit is allowed on an average-sized lot, with owner's consent and required water, toilet, and garbage facilities.
    • The location must comply with Chapter 153.

    maximum period: 30 days in any one year (unless by special license or permit)

    “No person or party shall use recreational equipment for living or sleeping purposes within the corporate limits of the city unless the person or parties shall first obtain from the City Council a license or permit so to do. [...] No recreational equipment shall be parked for a period of more than 30 days in any one year, except by special license or permit so to do.”
  • Manufactured homesAllowed (with conditions)

    Manufactured homes in Caledonia residential districts that permit single-family homes.

    • The manufactured home must conform to the manufactured home building code.
    • It must comply with all other Chapter 153 zoning provisions.
    • It must meet the same performance standards as single-family homes in the district.
    • Mobile homes in residential areas are nonconforming uses.
    “are a permitted use in any residential district which permits single family homes”
  • Accessory dwellingsProhibited

    Use of an accessory building as a permanent dwelling inside Caledonia city limits.

    • The cited prohibition concerns permanent dwelling use of an accessory building; it does not resolve every possible attached or internal accessory-dwelling configuration.
    “No basement, garage, tent, trailer or accessory building shall be used as a permanent dwelling.”
  • Septic permitLimited

    Private sewage-disposal systems inside Caledonia's sewer service area.

    • Effective date stated by the ordinance: December 31, 1993.
    • Septic tanks, drainfields, cesspools, holding tanks, and any other private sewage disposal system require City Council approval in the sewer service area.
    “From December 31, 1993, the use of septic tanks, drainfields, cesspools, holding tanks or any other private sewage disposal system within the sewer service area of the city shall not be permitted unless approved by the City Council.”
  • Off-grid sanitationLimited

    Off-grid/private sewage disposal inside Caledonia's sewer service area.

    • City Council approval is required for septic tanks, drainfields, cesspools, holding tanks, or other private sewage disposal systems.
    • The rule is expressly limited to the sewer service area.
    “the use of septic tanks, drainfields, cesspools, holding tanks”
  • Mandatory utility hookupSewer (with conditions)

    Private sewage disposal and new residential development within Caledonia's sewer service area.

    • Private sewage disposal is not permitted in the sewer service area unless approved by the City Council.
    • The source does not establish a general public-water connection rule.
    “private sewage disposal system within the sewer service area”
  • Subdividing landRegulated (with conditions)

    Subdivision and block design inside Caledonia city limits.

    • Lots and blocks must be adequate for the principal use and required accessory uses, including off-street parking, loading, and service areas.
    “shall be adequate for the principal use and all required accessory uses”
  • Driveway accessLimited

    Temporary mobile homes used as construction dwellings inside Caledonia residential or farm-residential districts.

    • The Zoning Administrator must approve the temporary use.
    • Parking spaces must adhere to district setbacks.
    • Only permitted access driveways may be used.
    • The permit expires when construction is completed or within 180 days, whichever is less; renewal may be approved.

    maximum permit period: <= 180 days (expires earlier when construction is completed)

    “shall only utilize the permitted access driveways”
  • Building in a floodplainRequired

    Development in Caledonia floodplain districts.

    • A Zoning Administrator permit is required before covered development.
    • Covered activities include buildings, on-site septic systems, certain fences, changes or extensions of nonconforming uses, damaged-structure repairs, fill, excavation, storage, and other development.
    • Applications must include applicable municipal, county, state, or federal permits or approvals.
    “Any other type of development as defined in this chapter.”
  • Permit feesPublished

    New residential homes and related land-use/utilities in Caledonia.

    • The city page describes these as current incentive rates; it does not provide a complete building-permit fee schedule.

    new residential-home land-use permit: 100 USD · water and sewer connection fees total: 1000 USD

    “land use permit to build a new residential home is $100.00”
  • Permit processPartial

    Planning, zoning, and building/construction permitting inside Caledonia city limits.

    • The city identifies its Planning & Zoning Department as responsible for planning, zoning requests and applications, and building and construction permitting.
    • The page links to a zoning map and online zoning permit application.
    “They are responsible for planning and zoning issues, review zoning requests and applications, building & construction permitting, and natural resource protection in the City of Caledonia.”

Rules another office applies inside Caledonia

Caledonia does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Building code adoptedAdopted

    Construction, reconstruction, alteration, repair, and use of buildings in Caledonia that are governed by the Minnesota State Building Code.

    • The State Building Code supersedes a municipality's building code.
    • Agricultural buildings are subject to the statutory agricultural-building exception.
    “The State Building Code governs the construction, reconstruction, alteration, repair, and use of buildings and other structures to which the code is applicable.”
  • Minimum dwelling sizeSpecified

    Single-family dwellings in Caledonia's R-1 Suburban Residential District.

    • One-story dwellings require at least 864 square feet of living floor area.
    • Basement-less dwellings require 1,000 square feet.
    • Other listed minimums are 860 square feet for one-and-one-half-story, 960 for split-level, 768 for two-story, and 816 for split-entry dwellings.
    • Dwellings must be designed for a permanent foundation, subject to the manufactured-home-park exception stated in the section.

    one-story minimum living floor area: >= 864 square feet · basement-less minimum floor area: >= 1000 square feet

    “minimum living floor area of 864 square feet”
  • Minimum lot sizeSpecified

    Non-farm single-family residences in Caledonia's AG Agriculture District.

    • Farm residences have no minimum lot width, depth, or area under the cited provisions.
    • Non-farm single-family residences require the stated minimums.

    minimum lot width: >= 150 feet (non-farm single-family residences; farm residences none) · minimum lot depth: >= 200 feet (non-farm single-family residences; farm residences none) · minimum lot area: >= 5 acres (non-farm single-family residences; farm residences none)

    “For non-farm single-family residences: five acres.”
    2 more reviewed findings on this topic
  • SetbacksSpecified

    Buildings in Caledonia's AG Agriculture District.

    • Front setback is 70 feet from a state highway, 50 feet from a county road, or 30 feet from a city street.
    • Corner lots require a front-yard setback on each road or highway side.
    • Side yard is at least 30 feet and rear yard at least 50 feet.
    • Non-residential structures may not be closer than 150 feet from a residential district or school property.

    front setback from state highway: >= 70 feet · front setback from county road: >= 50 feet · front setback from city street: >= 30 feet · side yard: >= 30 feet · rear yard: >= 50 feet · non-residential structure separation from residential district or school: >= 150 feet

    “side yard width of not less than 30 feet”
    2 more reviewed findings on this topic
  • Lot coverageSpecified

    Buildings and impervious surfaces in Caledonia's R-1 Suburban Residential District.

    maximum lot coverage by buildings and impervious surfaces: <= 55 percent

    “Buildings and impervious surfaces (concrete, blacktop) shall not occupy more than 55 percent of the lot area.”
    One more reviewed finding on this topic

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Caledonia or Houston County directly.

  • Owner-builder exemption — Owner-builders undertaking construction inside Caledonia city limits.
  • Inspections — Building inspections for construction inside Caledonia city limits.
  • Certificate of occupancy — Occupancy of buildings inside Caledonia city limits.
  • Tiny homes — Tiny-home occupancy inside Caledonia city limits.
  • Who permits septic — Septic-system administration inside Caledonia city limits.
4 more unanswered
  • Septic inspection
  • Well permit
  • Agricultural exemption
  • Short-term rentals

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Unanswered questions are usually a sign that Caledonia publishes no rule on the point, not that none exists. Houston County’s page lists the county offices to call.

← All of Houston County: county rules, score and offices