Zoning, building permits and septic rules in Windsor, Missouri

Windsor’s own rules

• Building permitRequired

  Structures or buildings improved, erected, moved, or structurally altered inside Windsor city limits.

  • The requirement includes interior modifications involving structural plumbing or electrical-wiring upgrades.
  • parameters and plot-plan materials may be required by City Hall.

  “Whenever any structure or building is to be improved, or erected, moved, or structurally altered, a building permit shall be obtained from City Hall.”

• Building code adoptedAdopted (with conditions)

  Construction inside Windsor city limits.

  • The city code revises the 2021 International Building Code and the 2021 International Residential Code.

  “Certain documents one (1) copy of which are on file and are open for inspection of the public in the office of the City Clerk of the City of Windsor, being marked and designated as the 2021 Editions of International Building Code and the International Residential Code, published by the International Code Council Inc., and the same are hereby adopted as the code of the City of Windsor”

• InspectionsRequired

  Newly constructed or renovated dwellings and buildings inside Windsor city limits.

  • Final inspection must be requested at least 24 hours before the time of final inspection.
  • No occupancy is allowed before final inspection.

  final inspection notice: >= 24 hours

  “No developer, builder or contractor shall allow any person or persons to occupy any newly constructed or newly renovated dwelling or building prior to final inspection by the City Building Inspector, which inspection shall be requested at least twenty-four (24) hours prior to time of final inspection.”

• Certificate of occupancyRequired

  Newly constructed or newly renovated dwellings and buildings inside Windsor city limits.

  • Occupancy may not occur before final inspection by the City Building Inspector.

  certificate of occupancy fee: 40 USD

  “BUILDING PERMIT, LAND USE PERMIT, OR CERTIFICATE OF OCCUPANCY REQUIRED”

• Local zoningPresent (with conditions)

  Land inside Windsor city limits.

  • District boundaries are shown on the Official Zoning Map filed with the City Clerk.

  “The City of Windsor is hereby divided into zones as shown on the Official Zoning Map filed with the City Clerk. The map as amended and all explanatory material thereon is hereby made a part of this Chapter.”

• Zoning districtsPublished (with conditions)

  Zoning districts inside Windsor city limits.

  • The Official Zoning Map is filed with the City Clerk.

  districts: A-1 Agricultural; A-2 Agricultural; R-1 Single-Family Residential; R-2 Two-Family Residential; R-3 Medium Density Multiple-Family Residential; C-1 Neighborhood Commercial; C-2 Central Commercial Business; I-1 Light Industrial; I-2 Heavy Industrial

  “The City of Windsor is hereby divided into zones as shown on the Official Zoning Map filed with the City Clerk.”

• Living in an RVLimited

  Recreational vehicles inside Windsor city limits.

  • Permanent-residence occupancy is prohibited.
  • Temporary occupancy requires an approved remodeling or new-home building permit and is subject to listed owner, timeline, and duration conditions.

  “A Recreational Vehicle shall not be occupied as a permanent residence within city limits. B. A Recreational Vehicle shall not be occupied as a temporary residence unless a permit is approved for remodeling or building a new home.”

• Camping on your landLimited

  RV parks and campgrounds inside Windsor city limits.

  • RV parks and campgrounds are conditional uses unless specifically authorized elsewhere in the municipal code.
  • The definition covers sites for tent camping as well as RV campers.

  “RV parks and campgrounds shall be enumerated as conditional uses unless otherwise specifically authorized under the Windsor Municipal Code.”

• Who permits septicLocal (with conditions)

  Private sewage disposal systems inside Windsor city limits where public sewer is unavailable.

  • The municipality's Inspector signs the private-system permit; state or county health-officer requirements may be additional.

  “Before commencement of construction of a private sewage disposal system, the owner shall first obtain a written permit signed by the Inspector.”

• Septic permitRequired

  Construction of a private sewage disposal system inside Windsor city limits.

  • Applies before construction begins.
  • Application must include plans, specifications, and other information deemed necessary by the Inspector.
  • A $10 permit-and-inspection fee is due when filed.

  private sewage disposal permit and inspection fee: 10 USD

  “Before commencement of construction of a private sewage disposal system, the owner shall first obtain a written permit signed by the Inspector.”

• Septic inspectionRequired

  Permitted private sewage disposal systems inside Windsor city limits.

  • The applicant must notify the Inspector when work is ready for final inspection and before underground portions are covered.
  • The Inspector may inspect at any stage of construction.

  “He shall be allowed to inspect the work at any stage of the construction and, in any event, the applicant for the permit shall notify the Inspector when the work is ready for final inspection, and before any underground portions are covered.”

• Off-grid sanitationLimited

  Private sewage disposal inside Windsor city limits where public sanitary or combined sewer is unavailable.

  • The system needs a municipal written permit and must comply with the Article IV requirements.
  • Subsurface soil-absorption facilities cannot be permitted on lots smaller than 15,000 square feet.
  • The code preserves additional state or county health-officer requirements.

  minimum lot area for subsurface soil absorption: >= 15000 square feet

  “Where a public sanitary or combined sewer is not available under the provisions of Article ΙΙ, Section 4, the building sewer shall be connected to a private sewage disposal system complying with the provisions of this Article.”

• Mandatory utility hookupWater and sewer (with conditions)

  Properties inside Windsor city limits abutting a street, alley, or right-of-way containing a city utility.

  • City utilities consist of City Water and Sewer Utilities.
  • The connection duty applies when the specified utility is located or later located in the abutting street, alley, or right-of-way.

  ““City utility or utilities” shall consist of the City Water and Sewer Utilities.”

• Agricultural exemptionAvailable (with conditions)

  Agricultural use of open, vacant, or unimproved land inside Windsor city limits.

  • This is an exception from the land-use-permit requirement; other city, state, and zoning requirements may still apply.

  “No open, vacant or unimproved land shall be used for any purpose permitted under this Chapter other than agricultural without first obtaining a land use permit from City Hall.”

• Shed and accessory-building permit exemptionConditional

  Accessory buildings and appurtenances constructed simultaneously with a main building inside Windsor city limits.

  • They may be included in the main-building permit only when construction is simultaneous.

  “There shall be a separate permit for each building or structure to be constructed, or altered, except accessory buildings, and appurtenances which may be included in the permit of the main building when construction is simultaneous.”

• Subdividing landRegulated (with conditions)

  Subdivision applications and proposed new developments inside Windsor city limits.

  • For Zone A, proposals larger than five acres or 50 lots, whichever is less, must include regulatory flood-elevation data.

  “The Board of Aldermen shall review all subdivision applications and other proposed new developments, including manufactured home parks or subdivisions, and shall make findings of fact and assure that:”

• Building in a floodplainRequired

  Buildings and structures, including developments in Zone A, inside Windsor city limits.

  • A separate development permit is required for each building or structure.
  • Within Zone A, separate permits are required for new construction, substantial improvements, other developments, and manufactured-home placement.

  “Within Zone(s) "A" on the Official Map, separate Development Permits are required for all new construction, substantial improvements and other developments, including the placement of manufactured homes.”

• Permit feesPublished (with conditions)

  Building, land-use, and certificate-of-occupancy permits inside Windsor city limits.

  • Each inspection costs $40 and the Building Inspector determines the number necessary, subject to stated minimum inspections where applicable.

  building permit fee: 50 USD (before issuance) · inspection fee: per 40 USD (each inspection) · land use permit fee: 150 USD · certificate of occupancy fee: 40 USD

  “For each building permit issued there shall be charged and collected from the applicant, a fee of fifty dollars ($50.00) before the permit is issued. In addition to the permit fee, a fee of forty dollars ($40.00) will be charged and collected from the applicant at each inspection.”

Rules another office applies inside Windsor

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

• Minimum dwelling sizeSpecified

  Detached single-family dwellings in Windsor's R-1 Single-Family Residential District.

  • Garages, carports, breezeways, porches, and basements are excluded from living area.

  minimum living area: >= 864 square feet (excluding garages, carports, breezeways, porches and basements)

  “Detached single-family dwellings with no less than eight hundred sixty-four (864) square feet of living area, excluding garages, carports, breezeways, porches and basements.”

• Minimum lot sizeSpecified

  Dwellings in Windsor's R-1 Single-Family Residential District.

  • If public or community sewer is unavailable, city ordinance and state law may require a larger lot.
  • A separately owned lot as of May 8, 2012 that complies with the cited city and state laws is not barred from a one-family dwelling.

  minimum lot area per family: >= 6000 square feet (larger lot may be required where public or community sewer is unavailable)

  “Every dwelling hereafter erected, constructed, reconstructed, moved or altered, shall provide a lot area of not less than six thousand (6,000) square feet per family; however, if a public or community sewer is not available, the ordinance of the City and laws of the State may require a larger lot area.”

• Lot coverageSpecified

  Development in Windsor's C-1 Neighborhood Commercial District.

  maximum site coverage: <= 30 percent

  “Intensity of uses. Buildings shall not cover more than thirty percent (30%) of site on which the development is located.”

• Building heightSpecified

  Buildings and structures in Windsor's R-1 Single-Family Residential District.

  maximum height: <= 35 feet

  “Height. Buildings or structures shall not exceed thirty-five (35) feet.”

Still unanswered

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

• Owner-builder exemption — Owner-built dwellings inside Windsor city limits.
• Tiny homes — Tiny homes inside Windsor city limits.
• Accessory dwellings — Accessory dwelling units inside Windsor city limits.
• Well permit — Private wells inside Windsor city limits.
• Driveway access — Residential driveway access inside Windsor city limits.

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.