Bolthole Index

Boone County, Illinois

Zoning, building permits and septic rules in Village of Caledonia, Illinois

Village of Caledonia is a village in Boone County, Illinois. Village of Caledonia adopts its own zoning, so inside its limits Village of Caledonia’s rules apply, not the county’s. 7 rules below are quoted from official sources and independently re-checked, most recently on November 2, 2026. Rules for unincorporated land are on the Boone County page.

Answers from the rulebook for Village of Caledonia

Village of Caledonia’s own rules

  • Local zoningPresent (with conditions)

    Land inside the Village of Caledonia, Boone County, Illinois. The village's own Zoning Ordinance (adopted January 15, 2002) applies.

    • The text on the village site is the 2002 original; the village page says some codes have been revised and updated since the original print and tells residents to confirm the current version with the village clerk.
    • Same-name check: a Caledonia zoning ordinance on villageofcaledonia.org that is a Caledonia, Michigan document was found in search and discarded; the Illinois village ordinance is the 2002 PDF linked from the Illinois village's own ordinances page.
    • Amendments after 2002 were not located in the text read.

    adoption date: 2002-01-15

    “village of caledonia, illinois zoning ordinance adopted january 15, 2002”
  • Zoning districtsPublished (with conditions)

    Land inside the Village of Caledonia, Boone County, Illinois: the village's zoning districts (urban transition, rural estate, R-1 single-family, R-2 two-family, R-M multi-family, commercial, industrial, conservancy/park, floodway and PUD districts) under the 2002 ordinance.

    • Districts and map are from the 2002 ordinance text; the village also links an April 2021 zoning map, which was not opened.
    • Parts of the district schedule (dimensional table) were not fully read; see unknown setbacks and minimum_lot_size claims.
    “section 1.3 establishment of districts. in order to carry out the purposes of this ordinance the following districts are established.”
  • SetbacksSpecified

    Accessory buildings on lots in the R-1, R-2 and RE residential districts inside the Village of Caledonia (2002 ordinance, Chapter 7, accessory buildings). Principal-building setbacks are not covered by this claim.

    • No accessory building may be located in a required front or side yard.
    • Accessory buildings may be located in a required rear yard only if they meet the listed limits.
    • No detached accessory building may be closer than fifteen feet to the principal building.
    • Eaves of an accessory building may not be closer than four feet to a lot line.

    accessory building distance from side or rear lot line: >= 6 feet · accessory building distance from principal building: >= 15 feet

    “no accessory building line is located closer than six feet (6') to a side or rear lot line, nor shall the eaves of any accessory building be located closer than four feet (4') to a lot line.”
  • Lot coverageSpecified

    Accessory buildings in the required rear yard of residential lots inside the Village of Caledonia (2002 ordinance, Chapter 7). This is a limit on accessory-building area only, not total lot coverage.

    • Applies only to accessory buildings in the required rear yard.

    accessory buildings share of buildable rear yard area: <= 30 percent

    “no accessory building may exceed thirty percent (30%) of the buildable portion of the rear yard area.”
  • Building heightSpecified

    Accessory buildings in the rear yard of residential lots inside the Village of Caledonia (2002 ordinance, Chapter 7). Main-building height is not covered by this claim.

    • Applies to accessory buildings located in a required rear yard.

    accessory building maximum height: <= 20 feet

    “no accessory building may exceed twenty feet (20') in height.”
  • Living in an RVLimited

    Recreational vehicles on lots inside the Village of Caledonia, Boone County, Illinois, in the R-1, R-2 and RE residential districts (2002 ordinance, Chapter 7).

    • Parking of RVs not designed for permanent residency is allowed only within the building setback lines or in a permitted accessory structure; on corner lots, within the building setback line on both intersecting roads or in a permitted accessory structure.
    • Front-yard parking is allowed for no more than 48 hours, only for maintenance, packing and unpacking.
    • RVs and mobile homes designed for permanent occupancy are permitted in mobile home parks only, so an RV may not be lived in as a permanent residence outside a park.
    • Based on the 2002 text; the rule on RV occupancy outside R-1/R-2/RE districts and on temporary stays was not found.

    front yard parking limit: <= 48 hours (only for maintenance, packing, and unpacking of the vehicles)

    “recreational vehicles and mobile homes designed for permanent occupancy are permitted in mobile home parks only.”
  • Manufactured homesLimited

    Mobile homes designed for permanent occupancy inside the Village of Caledonia, Boone County, Illinois (2002 ordinance).

    • Permitted in mobile home parks only, per Section 7.8(b) of the 2002 ordinance.
    • The ordinance defines a mobile home and a mobile home park; the text read did not give further siting conditions for parks.
    “recreational vehicles and mobile homes designed for permanent occupancy are permitted in mobile home parks only.”

Still unanswered

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

  • Building permit — Building permits for new construction inside the Village of Caledonia
  • Owner-builder exemption — Owner-builder construction inside the Village of Caledonia
  • Building code adopted — Building code adopted for construction inside the Village of Caledonia
  • Inspections — Building inspections inside the Village of Caledonia
  • Certificate of occupancy — Certificates of occupancy for new dwellings inside the Village of Caledonia
18 more unanswered
  • Minimum dwelling size
  • Minimum lot size
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees
  • Permit process

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 Village of Caledonia publishes no rule on the point, not that none exists. Boone County’s page lists the county offices to call.

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