Bolthole Index

Madison County, Missouri

Building permits, zoning and septic rules in Fredericktown, Missouri

Fredericktown, Missouri issues building permits through the City's Zoning, Inspection & Permits Department and has its own zoning rules.12 In Madison County, Missouri DHSS governs onsite sewage installations; inside Fredericktown, city sewer-connection requirements and approval of private sewage systems also apply.34 A Fredericktown dwelling needs an occupancy permit before new or changed occupancy.5

At a glance

Building permits
City department issues construction building permits1
Zoning
City zoning; district-specific land-use and dimensional rules26
Sewer and septic
City sewer-connection rules; Missouri DHSS onsite permitting plus City private-system approval43
Occupancy permit
Required before new or changed dwelling occupancy; $20 per dwelling, dwelling unit or rooming unit5
Residential lot size
R-1 detached homes: 10,000 square feet and 80-foot front lot-line width; A district homes: 43,560 square feet and 150-foot width78
RV and tiny-home living
We could not confirm residential occupancy rules; ask the City zoning department before planning either use1

Who to call

Building permits

City of Fredericktown Zoning, Inspection & Permits Department

Building permits, inspections and zoning within Fredericktown city limits; septic permits stay with Missouri DHSS

(573) 783-3683

124 West Main Street, Fredericktown, MO 63645

Septic permits

Missouri DHSS On-Site Sewage Department

State onsite sewage construction applications for Madison County, including Fredericktown; City approval and inspections also apply to private systems inside city limits

573-751-6090

Septic permits

Madison County Health Department

Local questions and complaints about onsite sewage; Madison County installations are governed directly by Missouri DHSS

573-783-2747

105 Armory Street, Fredericktown, MO 63645

Contact details are copied from each office’s official page and were checked against it on October 12, 2026.

Off-grid gear

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

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Do you need a building permit in Fredericktown, MO?

Fredericktown's Zoning, Inspection & Permits Department issues construction and demolition permits inside city limits and enforces local building codes.1 The department inspects new construction, additions, alterations and repairs.1 Ask the City department which building permit and trade applications your project needs before scheduling construction.1

Fredericktown also requires an occupancy permit before a dwelling, dwelling unit or rooming unit is newly occupied, changes occupants or is occupied after new construction; the residential fee is $20 per unit.5 Treat the occupancy permit as a separate step from the construction building permit.15 We could not confirm a City owner-builder exemption; ask the building department before assuming owner-performed work is exempt.1

Who issues Fredericktown building permits, and where do you apply?

Contact the City of Fredericktown Zoning, Inspection & Permits Department at (573) 783-3683, based at City Hall, 124 West Main Street, Fredericktown, MO 63645.1 The City instructs applicants to print and complete the downloadable forms and return them to City Hall.1

Fredericktown publishes forms for building permits, electrical/mechanical/plumbing work, accessory buildings, subdivision applications, rezoning, variances and special uses.9 Ask the City department for the current building-permit charge and required project documents: published occupancy and subdivision fees do not establish the cost of a home construction permit.10 Septic construction applications go to Missouri DHSS's On-Site Sewage Department at 573-751-6090, while Fredericktown's approval requirements for private sewage systems also remain applicable.114

Does Fredericktown have zoning, lot-size rules and setbacks?

Fredericktown has City zoning, including A Agricultural, R-1 Single-Family Residential, R-2 Two-Family Residential, R-3 General Multi-Family Residential and MH Mobile Home Park districts, with district-specific rules.6 Ask the City's zoning department to identify the parcel's district before choosing a house location or use.1

A detached single-family home in Fredericktown's R-1 district needs at least 10,000 square feet of lot area and 80 feet of width at the front lot line.7 A single-family dwelling in the A district needs at least 43,560 square feet and 150 feet of lot width; the A district has no minimum lot area or width for nonresidential uses.8

Fredericktown's A district requires a front yard of at least 35 feet, side yards of at least 15 feet each and a rear yard of at least 30 feet.12 Buildings, including accessory buildings, may cover no more than 30% of the lot in both A and R-1 districts.1314 These lot-area standards do not establish a minimum dwelling floor area; we could not confirm that requirement for A or R-1 homes.87

How do sewer connections and septic permits work in Fredericktown?

Fredericktown requires an owner-paid connection when a City sanitary sewer in an abutting street, alley or right-of-way is within 200 feet of the house, building or structure; connection is due within 90 days after official notice.4 Where public sanitary sewer is unavailable, Fredericktown requires an approved private or semipublic sewage system, City approval before construction and final inspection before use.4 Notify the Superintendent for final inspection before underground portions are covered.15

Missouri DHSS governs onsite sewage installations in Madison County, including Fredericktown.3 The Madison County Health Department lists septic construction permits as required for single-family residences on less than 3 acres, any business, and the second house where acreage has more than one house per 10 acres in the aggregate.16 Have DHSS confirm any exemption before work begins; a state exemption does not remove Fredericktown's private-system approval and inspection requirements.17415 DHSS application fees for onsite construction, modification and repair are temporarily suspended effective August 28, 2026.18

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

We could not confirm Fredericktown's rules for long-term RV living, temporary camping, tiny-home occupancy or accessory dwelling units; take the proposed use to the City Zoning, Inspection & Permits Department before buying land for that purpose.1 Fredericktown's zoning chapter includes an MH Mobile Home Park district, but a district name alone does not answer whether a residential RV or tiny home is allowed on a particular lot.6

Ask the City department to resolve the dwelling classification, permitted use, required building permits and occupancy approval for your design and parcel.15 Any proposed private wastewater system still needs Fredericktown's approval where public sewer is unavailable, alongside applicable DHSS permitting.43 Off-grid wastewater may not be discharged into a road ditch or onto the ground and cannot threaten public health or the environment.19

What are the steps to build a home in Fredericktown?

  1. Confirm city limits and the parcel's zoning district with Fredericktown's zoning department; for land outside the city, consult the Madison County guide.1
  2. Match the house and accessory buildings to the district's lot-area, coverage and other dimensional rules before submitting the building-permit forms.69
  3. Resolve sewer availability with the City; if a private system is proposed, obtain City approval and have DHSS establish the septic construction-permit or exemption requirements before work begins.417
  4. Return the completed construction applications to City Hall and arrange the City's required inspections, including private-system inspection before covering underground work.115
  5. Obtain the dwelling occupancy permit before moving into the completed home.5

For a floodplain parcel in Fredericktown, resolve the community's floodplain development permit before development; regulatory-floodway projects require an engineering No-Rise Certificate before permit issuance.20 Ask City Hall to identify the applicable floodplain administrator.1

Watch-outs

  • Fredericktown's $20 dwelling occupancy-permit fee is separate from the construction building-permit fee; ask the City department for the latter.510
  • A DHSS septic-permit exemption does not remove Fredericktown's City approval and final-inspection requirements for private sewage systems.17415
  • We could not confirm private-well requirements inside Fredericktown; ask the City zoning department about municipal restrictions before planning a well.1
  • Fredericktown regulates land subdivision; dividing a parcel can trigger City subdivision review rather than only an individual home building permit.21

Sources

  1. City of Fredericktown Zoning, Inspection & Permits Department (fredericktownmo.org)
  2. ecode360.com (Fredericktown), quoted and re-checked
  3. On Site Sewage Services | Madison County Health Department, quoted and re-checked
  4. Article II: Use Of Sewers (Fredericktown), quoted and re-checked
  5. Chapter 505: Occupancy Permits (Fredericktown), quoted and re-checked
  6. Article II: Zoning Rules and Regulations (Fredericktown), quoted and re-checked
  7. Article II: Zoning Rules and Regulations (Fredericktown), quoted and re-checked
  8. ecode360.com (Fredericktown), quoted and re-checked
  9. Zoning, Inspection & Permits (Fredericktown), quoted and re-checked
  10. Chapter 505: Occupancy Permits (Fredericktown), quoted and re-checked
  11. Missouri DHSS On-Site Sewage Department (madisoncountymohealth.com)
  12. ecode360.com (Fredericktown), quoted and re-checked
  13. ecode360.com (Fredericktown), quoted and re-checked
  14. ecode360.com (Fredericktown), quoted and re-checked
  15. Article II: Use Of Sewers (Fredericktown), quoted and re-checked
  16. On Site Sewage Services | Madison County Health Department, quoted and re-checked
  17. OWTS Construction Permit Process (Missouri statewide rule), quoted and re-checked
  18. OWTS Construction Permit Process (Missouri statewide rule), quoted and re-checked
  19. Frequently Asked Questions | Missouri DHSS Onsite Wastewater Treatment, quoted and re-checked
  20. Floodplain Forms (Missouri statewide rule), quoted and re-checked
  21. Chapter 410 Subdivision Regulations (Fredericktown), quoted and re-checked

Written October 12, 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 Fredericktown

Fredericktown’s own rules

  • InspectionsRequired

    Buildings, structures, additions, alterations and repairs inside Fredericktown city limits.

    • The City Building Inspector, or a City-designated substitute if no inspector is present, conducts inspections; the official City page also identifies inspections of new construction, additions, alterations and repairs.
    “The City Building Inspector or, in the absence of a City Building Inspector, such other person as may be designated by the City Administrator shall make inspections to determine whether industrial structures, commercial structures, dwellings, dwelling units, rooming units, accessory structures, and premises located within the City conform to the requirements of this Chapter.”
  • Certificate of occupancyRequired

    New or changed occupancy of dwellings, dwelling units and rooming units, and occupancy of industrial or commercial buildings inside Fredericktown city limits.

    • A dwelling occupancy permit is required before new occupancy, whenever occupancy changes, or when occupancy is established in new construction.
    • Industrial and commercial buildings require a certificate of occupancy from the City Building Inspector before occupation.
    • The dwelling occupancy permit fee is $20 per dwelling, dwelling unit or rooming unit.
    • A non-residential occupancy request costs $50, or $100 if inspection is requested after occupancy; a no-new-inspection/no-new-fee exception applies to qualifying industrial or commercial structures inspected within the previous three years with no change in use.

    dwelling occupancy permit fee: 20 USD (per dwelling, dwelling unit or rooming unit) · non-residential occupancy permit fee: 50 USD (100 USD if inspection application is submitted after occupancy)

    “Prior to any dwelling, dwelling unit, or rooming unit being newly occupied by any person, the owner of said property shall first obtain an occupancy permit.”
  • Local zoningPresent

    Land inside Fredericktown city limits; the City adopts and administers its own zoning ordinance.

    “The regulations set forth in this Section or set forth elsewhere in this Chapter, when referred to in this Section, are the regulations of the "A" Agricultural District.”
  • Zoning districtsPublished

    Zoning districts inside Fredericktown city limits, including A Agricultural, R-1 Single-Family Residential, R-2 Two-Family Residential, R-3 General Multi-Family Residential, MH Mobile Home Park, commercial and industrial districts.

    • The adopted zoning chapter publishes district-specific use, height, area, lot-size, setback and lot-coverage rules.
    “Section 405.040 "A" Agricultural District Regulations. Section 405.050 "R-1" Single-Family Residential District Regulations. Section 405.060 "R-2" Two-Family Residential District Regulations. Section 405.070 "R-3" General Multi-Family Residential District Regulations. Section 405.080 "MH" Mobile Home Park District Regulations.”
  • Minimum lot sizeSpecified

    Single-family dwellings in the A Agricultural District inside Fredericktown city limits.

    • No minimum lot area or lot width is required for non-residential uses.

    minimum lot area: >= 43560 square feet (non-residential uses) · minimum lot width: >= 150 feet (non-residential uses)

    “The minimum lot area shall be forty-three thousand five hundred sixty (43,560) square feet and shall have a minimum width of one hundred fifty (150) feet; provided that no minimum lot area or lot width is required for non-residential uses.”
    One more reviewed finding on this topic
    • Specified — Detached single-family dwellings in the R-1 Single-Family Residential District inside Fredericktown city limits.
      “Detached single-family dwellings shall be on a lot having an area of not less than ten thousand (10,000) square feet and a width at the front lot line of not less than eighty (80) feet.”
  • SetbacksSpecified

    Buildings and structures in the A Agricultural District inside Fredericktown city limits.

    front yard: >= 35 feet · side yard each side: >= 15 feet · rear yard: >= 30 feet

    “Front yard. There shall be a front yard of not less than thirty-five (35) feet.”
  • Lot coverageSpecified

    Buildings, including accessory buildings, in the A Agricultural District inside Fredericktown city limits.

    maximum lot coverage: <= 30 percent

    “All buildings, including accessory buildings, shall not cover more than thirty percent (30%) of the area of the lot.”
    One more reviewed finding on this topic
    • Specified — Buildings, including accessory buildings, in the R-1 Single-Family Residential District inside Fredericktown city limits.
      “All buildings, including accessory buildings, shall not cover more than thirty percent (30%) of the area of the lot.”
  • Building heightSpecified

    Detached single-family dwellings and other buildings except churches and similar places of worship in the A Agricultural District inside Fredericktown city limits.

    • Church towers or steeples may be 75 feet; the principal church building may not exceed 45 feet.

    maximum building height: <= 35 feet (not over 2.5 stories)

    “Detached single-family dwellings, and all buildings other than churches and similar places of worship, thirty-five (35) feet and not over two and one-half (2 1/2) stories.”
    One more reviewed finding on this topic
    • Specified — Detached single-family dwellings and other buildings except churches and similar places of worship in the R-1 Single-Family Residential District inside Fredericktown city limits.
      “Detached single-family dwellings, and all buildings other than churches and similar places of worship, thirty-five (35) feet and not over two and one-half (2 1/2) stories.”
  • Septic inspectionRequired

    Private or semipublic sewage disposal systems inside Fredericktown city limits where public sanitary sewer is unavailable.

    • Before use, the installation must be complete to the Superintendent's satisfaction.
    • The Superintendent may inspect at any stage of construction.
    • The owner must notify the Superintendent for final inspection before underground portions are covered.
    • The system must also comply with all applicable laws and regulations.
    “Actual use of a private or semipublic disposal system may not commence until the installation is complete to the satisfaction of the Superintendent. He/she shall be allowed to inspect the work at any stage of construction, and in any event, the owner shall notify the Superintendent when the work is ready for a final inspection, and before any underground portions are covered.”
  • Mandatory utility hookupSewer (with conditions)

    Houses, buildings and other properties used for human occupancy, employment, recreation or other purposes inside Fredericktown city limits.

    • If a City public sanitary sewer is located in the abutting street, alley or right-of-way and is within 200 feet of the house, building or structure, the owner must install suitable toilet facilities and connect directly to the public sewer at the owner's expense.
    • Connection must occur within 90 days after official notice.
    • If public sanitary sewer is unavailable, the building sewer must connect to an approved private or semipublic sewer or sewage disposal system; City approval is required before construction and final inspection is required before use.

    public sewer distance threshold: <= 200 feet (from the house, building or structure) · connection deadline after official notice: 90 days

    “The owner of all houses, buildings, or properties used for human occupancy, employment or recreation, or other purposes situated within the City and abutting any street, alley or right-of-way in which there is now located or may in the future be located a public sanitary sewer of the City, is hereby required at his/her expense to install suitable toilet facilities therein, and to connect such facilities directly with the proper public sewer in accordance with the provisions of this Chapter, within ninety (90) days after the date of official notice to do so, provided that said sewer service is within two hundred (200) feet of the house, building or structure.”
  • Subdividing landRegulated (with conditions)

    Subdivision of land inside Fredericktown city limits.

    • Major subdivisions are divisions into five or more lots or parcels of one acre or less, subject to stated exceptions.
    • Minor subdivisions contain not more than four lots fronting an existing road and not involving public improvements or adversely affecting the remainder or adjoining properties.
    • Major subdivision filing fee: $100 plus $10 per lot; minor subdivision filing fee: $25 plus $10 per lot; major subdivision City Engineer review costs may be up to $500.

    major subdivision threshold: >= 5 lots (or other divisions into parcels of 1 acre or less; stated statutory exceptions apply) · major subdivision filing fee: 100 USD (plus $10 per lot) · minor subdivision filing fee: 25 USD (plus $10 per lot) · City Engineer review cost cap: <= 500 USD (major subdivision final plat review)

    “The division of land into five (5) or more lots or other divisions of land into parcels of one (1) acre or less in area, and the dedication of streets, ways, or other areas for the public use.”
  • Permit feesPublished (with conditions)

    Certain City occupancy and subdivision permits inside Fredericktown city limits.

    • The published code gives occupancy and subdivision fees, but a comprehensive building-permit fee schedule was not located.
    • Occupancy permit fees are $20 per dwelling/dwelling unit/rooming unit; non-residential fees are $50, or $100 after occupancy.
    • Subdivision fees are $100 plus $10 per lot for major subdivisions and $25 plus $10 per lot for minor subdivisions; City Engineer review costs may be up to $500.
    “The fee for the occupancy permit shall be twenty dollars ($20.00) for each dwelling, dwelling unit or rooming unit occupied.”
  • Permit processPublished

    City construction, zoning, inspection and subdivision permitting inside Fredericktown city limits.

    • The City directs applicants to submit forms to City Hall at 124 West Main Street or by email.
    • The City publishes building, electrical/mechanical/plumbing, accessory-building, subdivision, rezoning, variance and special-use forms.
    “This page is your one-stop destination for accessing the necessary forms and permits required for various activities within our community.”

Still unanswered

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

  • Owner-builder exemption — Owner-builders performing construction inside Fredericktown city limits.
  • Minimum dwelling size — Detached single-family dwellings in Fredericktown's R-1 district and dwellings in the A district.
  • Living in an RV — Long-term or residential RV occupancy inside Fredericktown city limits.
  • Camping on your land — Temporary camping inside Fredericktown city limits.
  • Tiny homes — Tiny-home occupancy inside Fredericktown city limits.
5 more unanswered
  • Accessory dwellings
  • Well permit
  • Agricultural exemption
  • Driveway access
  • 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 Fredericktown publishes no rule on the point, not that none exists. Madison County’s page lists the county offices to call.

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