Bolthole Index

Jefferson County, Kentucky

Building permits, zoning and septic rules in Middletown, Kentucky

Middletown, Kentucky routes building permits through Metro Louisville, with city review for compliance with Middletown ordinances before issuance.1 Middletown adopts its own Land Development Code; Louisville Metro Public Health and Wellness decides whether a property can use septic.23 For land outside city limits, see the Jefferson County guide.4

At a glance

Building permits
Metro Louisville building enforcement, with Middletown compliance review before issuance51
Zoning
Middletown adopts a Land Development Code kept in the City Clerk’s office2
Septic permits
Local health department permit before construction, installation or alteration; Metro Health decides site eligibility63
Building codes
Middletown adopts Kentucky building, residential, plumbing and safety codes5
Floodplain construction
Foundation Only approval initially, followed by elevation verification before full construction7
Private wells
Kentucky requires a certified driller; no property-owner application or fee for construction or abandonment8

Who to call

Planning & zoning

Middletown City Clerk

Contact for the city’s filed Land Development Code and routing questions about city compliance review.

(502) 245-2762

[email protected]

11803 Old Shelbyville Rd. Middletown, KY 40243

Building permits

Middletown City Compliance Review

City ordinance compliance review before Metro Louisville building permit issuance.

Building permits

Louisville Metro Construction Review

Metro building-code enforcement contact for Middletown construction; city compliance review is separate.

(502) 574-3321

444 South 5th Street Louisville, KY 40202

Septic permits

Louisville Metro Department of Public Health and Wellness

Determines whether Middletown property can use an onsite septic system; contact for septic site evaluation and permitting.

(502) 574-6520

400 East Gray Street Louisville, KY 40202

Floodplain permits

Louisville/Jefferson County Metropolitan Sewer District

Sewer-service availability, drainage and floodplain construction review.

(502) 540-6000

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

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Do you need a building permit in Middletown, KY?

For a building project in Middletown, start with Metro Louisville building enforcement and Middletown’s separate city compliance review.51 Middletown’s code gives the city an opportunity to review building permit applications and plans before Metro Louisville issues a building permit.1 A compliant property receives a city letter of compliance.1 Ask the City Clerk how to submit your project for city review, and ask Construction Review which building permit and inspection requirements apply to your work.910 We could not confirm a general Middletown certificate-of-occupancy requirement; ask Construction Review before planning a move-in date.10

Who handles building permits and city review in Middletown?

Middletown designates Metro Louisville’s Chief Building Inspector as the local enforcement agent for the Kentucky Building Code and Residential Code.5 Louisville Metro Construction Review’s building contact is (502) 574-3321.10 Middletown City Hall’s contact is (502) 245-2762, and the City Clerk’s email is [email protected].9 Keep the city compliance review distinct from septic approval: Louisville Metro Public Health and Wellness determines whether Middletown property can use an onsite system.13 MSD handles the sewer-service availability question when sanitary-sewer connection is required.11

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

Middletown has adopted a Land Development Code, maintained on file in the City Clerk’s office and subject to amendment.2 Ask the City Clerk for the current code and the route to a parcel-specific zoning determination before choosing a house footprint or accessory building.29 We could not confirm Middletown’s district-specific minimum lot sizes, setbacks, lot coverage or minimum dwelling sizes; ask for the requirements for your parcel’s district.2 City review also considers whether construction architecture and exterior finishes fit the city’s existing architectural character, including accessory structures.1 A building-code design alone therefore does not settle the city compliance question.51

How do septic permits work inside Middletown?

Louisville Metro Department of Public Health and Wellness determines whether a Middletown property can use onsite septic; if sanitary-sewer connection is required, MSD determines service-connection availability and whether required impact fees have been paid.311 Kentucky requires a local health department permit before constructing, installing or altering an onsite sewage disposal system, with a site evaluation preceding the construction permit.6 Call Metro Health at (502) 574-6520 for the septic process.12 Across Jefferson County, only 10.3% of soils are rated not limited for a conventional drain field; that county-wide rating does not decide an individual Middletown lot’s suitability or make septic impossible.13

Can you live in an RV or tiny home on Middletown land?

We could not confirm permission for residential RV occupancy, temporary camping, tiny-home occupancy or manufactured-home occupancy inside Middletown; bring the proposed use to the City Clerk for routing to the city’s zoning and compliance review.29 Ask separately about an accessory dwelling, minimum dwelling size and the proposed location on the lot.2 Do not commit to a temporary living arrangement before the city answers those questions.2 A wastewater proposal also needs its own answer: Metro Health decides whether the property may use septic, while MSD handles sewer-service availability if connection is required.311

What are the steps to build a home in Middletown?

  1. Ask the Middletown City Clerk for the current Land Development Code and how to obtain city compliance review for the parcel and project.29
  2. Resolve septic eligibility with Metro Health or required sewer-service availability with MSD before finalizing the site layout.311
  3. Check mapped floodplain conditions with MSD: floodplain structures initially need Foundation Only approval and elevation verification before full construction approval.7
  4. Coordinate city review of the building permit application and plans with Metro Louisville building enforcement.15
  5. Ask Construction Review for the project’s inspection schedule and any occupancy approval needed before moving in; we could not confirm a general Middletown certificate-of-occupancy requirement.10

What should you check before buying land in Middletown?

Ask MSD about floodplain and sewer-service constraints and ask the city about the proposed use before treating a Middletown lot as buildable for your plans.7112 Work within a FEMA floodplain requires Kentucky Division of Water approval, and construction in or immediately adjacent to a mapped floodplain carries a $1,000 elevation-certificate bond.7 Kentucky requires a certified water-well driller, although property owners have no state permitting application or fee for constructing or abandoning a well.8 Jefferson County’s effective property-tax rate is 0.9%; that county-level figure is context rather than a quote for a particular Middletown property.14

Watch-outs

  • Middletown’s city compliance review and Metro Louisville building-code enforcement are separate steps; obtain the city’s submission instructions before proceeding.15
  • We could not confirm Middletown building permit fee amounts or residential RV and tiny-home permission; ask Construction Review about building permit fees and the City Clerk about the proposed land use.109
  • Floodplain construction can require Foundation Only approval and elevation verification before MSD approves full construction.7

Sources

  1. Middletown City Compliance Review (codelibrary.amlegal.com)
  2. § 153.01 Adopted by Reference (Middletown), quoted and re-checked
  3. louisvillemsd.org (Middletown), quoted and re-checked
  4. Louisville Metro Construction Review - Permits (2026 county census)
  5. § 150.01 Adoption of State Codes; Enforcement Agents (Middletown), quoted and re-checked
  6. 902 KAR 10:110. Issuance of on-site sewage disposal system permits (Kentucky statewide rule), quoted and re-checked
  7. Single Family, Small Commercial or Demolition Permit (Middletown), quoted and re-checked
  8. Water Well Information for Home Owners (Kentucky statewide rule), quoted and re-checked
  9. Middletown City Clerk (middletownky.gov)
  10. Louisville Metro Construction Review (louisvillemsd.org)
  11. louisvillemsd.org (Middletown), quoted and re-checked
  12. Louisville Metro Department of Public Health and Wellness (louisvillemsd.org)
  13. Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
  14. Effective property tax rate: Bolthole Index county data

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 Middletown

Middletown’s own rules

  • Building code adoptedAdopted

    Construction and remodeling of single-family dwellings inside Middletown city limits.

    • Middletown adopts the Kentucky Building Code, Kentucky Residential Code, Kentucky Plumbing Code, and Kentucky Standards of Safety by reference, together with amendments.
    • The Chief Building Inspector for Metro Louisville is the local enforcement agent for the Kentucky Building Code and Residential Code.
    • Copies are filed in the City Clerk’s office for public inspection.
    “together with any amendments, are hereby adopted by reference as if fully set forth in this code of ordinances.”
  • InspectionsLimited

    City compliance review for building permit applications inside Middletown city limits.

    • Middletown may inspect as part of its review of permit applications and plans.
    • Failure to supply needed information or allow city inspection tolls the city’s 60-day decision period.

    city decision period: 60 days (Failure to supply needed information or allow city inspection tolls the period.)

    “The City Mayor, after consideration of the application materials and sufficient investigation, including consultation and opinion of engineer, architect of other consultant, as may be appropriate to the application, to make a determination, based on the criteria herein, on whether to grant or deny the letter of compliance. The decision shall be in writing and within 60 days of the filing of a complete application and the decision shall set forth findings supporting the approval or denial. Failure of the applicant to supply the needed information (as determined by the city), or allow the city inspection tolls the 60-day time for the city decision.”
  • Local zoningPresent

    Land inside Middletown city limits; Middletown adopts and incorporates its Land Development Code.

    • The adopted Land Development Code is maintained on file in the City Clerk’s office and may be amended from time to time.
    “The Land Development Code, as it may be amended from time to time”
  • Driveway accessLimited

    Residential driveways inside Middletown city limits.

    • Residential drives or driveways must be paved with concrete or asphalt.
    • Only one drive is allowed per single-family residential lot.

    driveways per single-family residential lot: 1

    “Residential drives or driveways shall be paved with concrete or asphalt and there shall be only one drive per single-family residential lot.”

Rules another office applies inside Middletown

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

  • Who permits septicLocal (with conditions)

    On-site wastewater systems serving property inside Middletown city limits.

    • The Louisville Metro Department of Public Health and Wellness determines whether a property may use an on-site septic system.
    • If sanitary-sewer connection is required, MSD determines whether a property service connection is available.
    “if a property can utilize an on-site system (septic) for wastewater.”
  • Mandatory utility hookupConditional

    Wastewater utility connection decisions for property inside Middletown city limits.

    • If the property is required to connect to sanitary sewers, MSD can determine whether a property service connection is available and whether impact fees have been paid.
    • The opened official source did not state a distance threshold or universal water-connection requirement.
    “New connections require the completion and approval”
  • Building in a floodplainLimited

    Construction inside a mapped FEMA or local regulatory floodplain within Middletown city limits.

    • Additional permits may be required in a mapped floodplain.
    • Structures in a floodplain initially require a Foundation Only permit.
    • A lowest-finished-floor elevation must be verified by an elevation certificate before full construction approval.
    • Work within a FEMA floodplain requires Kentucky Division of Water approval.

    elevation certificate bond: 1000 USD (Required when construction is proposed in or immediately adjacent to a mapped floodplain.)

    “will require a “Foundation Only” permit initially.”

Still unanswered

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

  • Owner-builder exemption — Owner-builders constructing or remodeling inside Middletown city limits.
  • Certificate of occupancy — Certificates of occupancy for land and buildings inside Middletown city limits.
  • Minimum dwelling size — Minimum dwelling size inside Middletown city limits.
  • Minimum lot size — Minimum lot size inside Middletown city limits.
  • Setbacks — Building setbacks inside Middletown city limits.
15 more unanswered
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Agricultural exemption
  • Subdividing land
  • Short-term rentals
  • Permit fees

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 Middletown publishes no rule on the point, not that none exists. Jefferson County’s page lists the county offices to call.

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