Bolthole Index

New Madrid County, Missouri

Building permits, zoning and septic rules in Portageville, Missouri

Portageville, Missouri requires a city building permit to build, enlarge or alter a structure, subject to narrow minor-work exemptions.1 Portageville has its own zoning, so the unincorporated New Madrid County answer does not describe land inside city limits.2 Private sewage systems need the City Superintendent’s written permit and must meet Missouri health regulations; contact Missouri DHSS about the state approval or exemption as well.34

At a glance

Building permits
Required for construction, enlargement and alterations; narrow minor-work exemptions1
Building code
2024 International Residential Code adopted5
Zoning
City zoning districts and zoning map govern land inside city limits2
RV living
R-1 limits house trailers and other mobile homes to 72 hours; empty travel trailers excepted6
Septic approvals
City Superintendent permit and inspection, plus applicable Missouri requirements37
A-1 lot size
Rural non-farm single-family dwellings need at least 2.5 acres8

Who to call

Building permits

Portageville Building Permits and Inspections Department

City building permits, plan review, building inspections and certificates of occupancy

573-379-5789

Zoning

Portageville Planning & Zoning Commission

Zoning amendments, site plans and plat applications

573-379-5789

Also useful

Portageville City Hall

Contact for routing questions to the City Superintendent and other city departments

573-379-5789

Septic permits

Missouri Department of Health and Senior Services Onsite Wastewater Treatment Program

Onsite wastewater construction permits for New Madrid County

(573) 751-6095 ext.5

[email protected]

930 Wildwood Dr. Jefferson City, MO 65102

Online permits →

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 Portageville means bringing your own water and power. The kit we’d start with:

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Do you need a building permit in Portageville, MO?

Portageville requires a building permit before a wall, structure, building or part of a building is built, enlarged or altered inside city limits.1 Submit the proposed-work plan and materials statement in duplicate to the Chief of the Fire Department or designated official.1 The city has adopted the 2024 International Residential Code.5

Portageville exempts specified ordinary repairs and minor alterations costing no more than $100 when major structural parts are unchanged, along with specified detached outbuildings outside fire limits costing no more than $100 and minor electrical repairs.1 Ask the building department to classify your work before relying on an exemption.9

Who issues building permits in Portageville, and what do they cost?

Portageville’s Building Permits and Inspections Department supplies the forms for residential and commercial building permits; call 573-379-5789 to request them.9 The department handles construction inspections and certificates of occupancy as well as building permits.9 Ask the department for the inspection schedule and occupancy paperwork for your project.9

Portageville’s published new-construction building permit fee includes plumbing, electrical and mechanical work and is $0.10 per square foot, with a $20 minimum.10 Accessory-structure building permit fees are based on building value, so ask for the applicable fee when submitting the plans.10

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

Portageville has city zoning districts whose boundaries are defined by the city zoning map.2 The Planning & Zoning Commission reviews site plans, plat applications and proposed zoning amendments; contact City Hall to request a place on the agenda.11 Ask for the parcel’s district and the applicable area-regulations chart before choosing a house design.12

In Portageville’s A-1 Agriculture District, rural non-farm single-family dwellings require at least 2.5 acres.8 Portageville has a separate rule for dwellings on lots of official record: applicable yards and open space must be met as nearly as possible, with a rear yard of at least 10 feet.13 That recorded-lot provision is not a citywide substitute for district-specific dimensional requirements.13

How do septic permits and sewer connections work in Portageville?

Portageville requires connection at the owner’s expense for covered properties abutting a street, alley or right-of-way containing city sanitary sewer within 100 feet of the property line, within 90 days after official notice.14 Where public sewer is unavailable, Portageville allows a compliant private sewage disposal system.14

Portageville’s City Superintendent issues the written private-sewage permit, and the system must comply with Missouri health regulations.3 Notify the Superintendent for final inspection before covering underground portions.7 Missouri DHSS is the listed state onsite-wastewater authority for New Madrid County; ask DHSS and the Superintendent which approvals your city address needs before starting work.153 A state exemption, if confirmed, does not answer the separate city approval requirement.43

Can you live in an RV, mobile home or tiny home in Portageville?

In Portageville’s R-1 Single-Family Residential District, house trailers and other mobile homes are limited to 72 hours, with an exception for empty travel trailers.6 Do not plan an extended RV stay while building on an R-1 lot without discussing the proposed use with city zoning staff.611

Portageville treats existing mobile homes under a nonconforming-use replacement framework, with specified replacements requiring a mobile-home permit and a $25 fee.16 Those provisions include a 4,000-square-foot minimum lot, 40-foot minimum width and 10-foot property-line clearance on all sides.16 We could not confirm a tiny-home-specific occupancy rule; ask the building department and Planning & Zoning Commission how your proposed dwelling and parcel would be classified.911

Building a home in Portageville: what steps come first?

  1. Ask Portageville’s Planning & Zoning Commission to confirm the parcel’s zoning district and review the proposed site plan before committing to a layout.211
  2. Determine whether city sewer is available; if private sewage is proposed, speak with the City Superintendent through City Hall and with DHSS about city and state approvals.1431718
  3. Request the city building-permit forms and prepare the proposed-work plan and materials statement for the designated official.91
  4. Arrange construction inspections and ask the city building department about certificates of occupancy before moving in.9

For land outside Portageville city limits, use the New Madrid County guide for the unincorporated building-permit answer.19 Missouri requires a floodplain development permit for development in a floodplain; ask City Hall who administers the process for your Portageville parcel.2017

Watch-outs

  • Portageville’s private-sewage inspection must be arranged before underground portions are covered.7
  • Missouri DHSS onsite-sewage application fees are temporarily suspended effective August 28, 2026; this does not waive Portageville’s separate city approvals.213
  • We could not confirm a Portageville owner-builder exemption or a tiny-home-specific occupancy rule; ask the city building department before designing around either assumption.9

Sources

  1. Article VII: Building Regulations — Generally - City of Portageville, MO (Portageville), quoted and re-checked
  2. Table of Contents - City of Portageville, MO (Portageville), quoted and re-checked
  3. Chapter 710 Sewers - City of Portageville, MO (Portageville), quoted and re-checked
  4. OWTS Construction Permit Process, quoted and re-checked
  5. Article I: Building Code - City of Portageville, MO (Portageville), quoted and re-checked
  6. City of Portageville, MO District Regulations (Portageville), quoted and re-checked
  7. Chapter 710 Sewers - City of Portageville, MO (Portageville), quoted and re-checked
  8. City of Portageville, MO District Regulations (Portageville), quoted and re-checked
  9. Portageville Building Permits and Inspections Department (cityofportageville.com)
  10. Article VII: Building Regulations — Generally - City of Portageville, MO (Portageville), quoted and re-checked
  11. Portageville Planning & Zoning Commission (cityofportageville.com)
  12. Article II: Establishment Of Districts - City of Portageville, MO (Portageville), quoted and re-checked
  13. Article V: Special Regulations - City of Portageville, MO (Portageville), quoted and re-checked
  14. Chapter 710 Sewers - City of Portageville, MO (Portageville), quoted and re-checked
  15. OWTS Construction Permit Process, quoted and re-checked
  16. Article V: Special Regulations - City of Portageville, MO (Portageville), quoted and re-checked
  17. Portageville City Hall (cityofportageville.com)
  18. Missouri Department of Health and Senior Services Onsite Wastewater Treatment Program (health.mo.gov)
  19. State of Missouri - County Building Codes dataset (data.mo.gov) (2026 county census)
  20. Floodplain Forms (Missouri statewide rule), quoted and re-checked
  21. OWTS Construction Permit Process (Missouri statewide rule), 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 Portageville

Portageville’s own rules

  • Building permitRequired

    Walls, structures, buildings, or parts thereof built, enlarged, or altered within Portageville corporate limits.

    • Ordinary repairs and minor alterations not involving major structural parts and costing no more than $100 are exempt.
    • Detached outbuildings outside fire limits costing no more than $100 and minor electrical repairs are exempt.
    • A plan and materials statement must be submitted in duplicate to the Chief of the Fire Department or designated official.

    minor-work threshold: <= 100 USD (Specified ordinary repairs, minor alterations, detached outbuildings outside fire limits, and minor electrical repairs)

    “issue a permit for the proposed construction”
  • Building code adoptedAdopted (with conditions)

    Building construction inside Portageville city limits.

    • The 2024 International Residential Code is adopted by reference.
    • IRC Section P2904 sprinkler requirements do not apply to residential structures with less than 7,500 square feet of area and higher than two stories.

    adopted code: 2024 International Residential Code (Section P2904 sprinkler requirements exception stated in the ordinance)

    “The 2024 International Residential Code [...] is hereby adopted as the Building and Construction Code for the City of Portageville”
  • Local zoningPresent

    Land inside Portageville city limits; the city has Chapter 405 Zoning Regulations and divides the city into zoning districts.

    • District boundaries are defined by the City zoning map incorporated into the chapter.
    “the City of Portageville, Missouri, is divided into eight (8) districts”
  • Zoning districtsPublished

    Zoning districts inside Portageville city limits.

    • District boundaries are governed by the incorporated City zoning map.
    “A-1 Agriculture District. [...] M-1 Mobile Home District.”
  • Minimum lot sizeSpecified

    Rural non-farm single-family dwellings in the A-1 Agriculture District inside Portageville city limits.

    • The A-1 district is governed by Section 405.270 for other area regulations unless a more restrictive provision applies.

    minimum lot area: >= 2.5 acres (Rural non-farm single-family dwellings)

    “Rural non-farm single-family dwellings are permitted on lots or other parcels of property ownerships of two and one-half (2 1/2) acres or more.”
  • SetbacksSpecified

    Dwellings on lots of official record in districts where dwellings are permitted inside Portageville city limits.

    • A one-family detached dwelling may be erected irrespective of lot area or width if applicable yard and open-space requirements are complied with as nearly as possible.
    • Corner-lot side-yard rule is the greater of 8 feet or 30% of frontage.
    • Rear yard may not be less than 10 feet.

    minimum side-yard width: 10% of lot width (Corner lot adjoining side street: not less than 8 feet or 30% of frontage, whichever is greater) · minimum rear-yard depth: >= 10 feet

    “the width of any side yard be less than ten percent (10%) of the width of the lot”
  • Living in an RVTemporary only (with conditions)

    House trailers or other mobile homes in the R-1 Single-Family Residential District.

    • The code permits them for no more than 72 hours; empty travel trailers are excepted.

    maximum period: <= 72 hours (Empty travel trailers)

    “for a period not to exceed seventy-two (72) hours excepting empty travel trailer”
  • Manufactured homesLimited

    Mobile or manufactured homes inside Portageville city limits.

    • Mobile homes existing after March 1, 1976, are classified as nonconforming uses.
    • Replacement generally must occur within 60 days of removal and the replacement must be newer than five years from the permit-application date.
    • A mobile-home permit and $25 fee are required for specified replacements.
    • Minimum lot area is 4,000 square feet, minimum lot width is 40 feet, and 10-foot clearance from the property line is required on all sides.
    • Required neighboring releases within 200 feet and City utility connections apply.

    mobile-home permit fee: 25 USD · minimum lot area: >= 4000 square feet · minimum lot width: >= 40 feet · clearance from property line: >= 10 feet · neighbor-release radius: 200 feet

    “All mobile homes being non-conforming uses shall not be replaced, altered or relocated [...] except as follows:”
  • Who permits septicMixed (with conditions)

    Private sewage disposal systems inside Portageville city limits.

    • The City Superintendent issues the written permit and inspects the installation.
    • The system must comply with Missouri Department of Public Health regulations.
    • Additional requirements may be imposed by the Missouri Division of Health.
    “signed by the Superintendent. [...] Department of Public Health of the State of Missouri.”
  • Septic inspectionRequired

    Private sewage disposal systems inside Portageville city limits.

    • The Superintendent may inspect at any stage.
    • The applicant must notify the Superintendent for final inspection before underground portions are covered.
    • Inspection must occur within four hours after notice.

    inspection response time: <= 4 hours (After receipt of notice for final inspection)

    “A permit for a private sewage disposal system shall not become effective until the installation is completed 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 applicant for the permit shall notify the Superintendent when the work is ready for final inspection and before any underground portions are covered. The inspection shall be made within four (4) hours of the receipt of notice by the Superintendent.”
  • Mandatory utility hookupSewer (with conditions)

    Properties used for human employment, recreation, or other purposes inside Portageville city limits that abut a street, alley, or right-of-way containing a City public sanitary sewer within 100 feet of the property line.

    • Connection is required within 90 days after official notice.
    • The owner bears the expense.
    • Where public sewer is unavailable, a compliant private sewage disposal system may be used.

    public sewer distance: <= 100 feet from property line · connection deadline: 90 days after official notice

    “The owner of all houses, buildings or properties used for human employment, recreation or other purposes situated within the City and abutting on 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 Article within ninety (90) days after date of official notice to do so, provided that said public sewer is within one hundred (100) feet [thirty and five-tenths (30.5) meters] of the property line.”
  • Permit feesPublished (with conditions)

    Building permits and accessory structures inside Portageville city limits.

    • New construction permits including plumbing, electrical, and mechanical work are charged by square footage with a minimum fee.
    • Accessory-structure fees are based on building value.
    • The ordinance states fee increases and new fees are user fees calculated to offset City service costs.

    new construction fee: 0.1 USD per square foot (Minimum charge $20) · minimum new-construction fee: 20 USD · accessory structure fee for value up to $10000: 10 USD · accessory structure fee for value over $100000: 0.01 percent

    “ten cents ($0.10) per square foot with a minimum charge of twenty dollars ($20.00)”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Portageville or New Madrid County directly.

  • Owner-builder exemption — Owner-builders inside Portageville city limits.
  • Inspections — Building inspections inside Portageville city limits.
  • Certificate of occupancy — Certificates of occupancy inside Portageville city limits.
  • Minimum dwelling size — Dwellings inside Portageville city limits.
  • Lot coverage — Lot coverage inside Portageville city limits.
10 more unanswered
  • Building height
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Well permit
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • 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 Portageville publishes no rule on the point, not that none exists. New Madrid County’s page lists the county offices to call.

← All of New Madrid County: county rules, score and offices