Bolthole Index

Jefferson County, Kentucky

Building permits, zoning and septic in Graymoor-Devondale, Kentucky

Graymoor-Devondale, Kentucky requires city construction review; houses, garages and additions also need a city letter of compliance before Jefferson County issues the building permit.1 Lots inside the city must follow both Planning Commission zoning regulations and city ordinances.2 Where public sewer and water are available, sewer connection is generally required; eligible onsite systems go through Louisville Metro Public Health and Wellness for septic permits.34

At a glance

Building permits
Start with the City Clerk; houses, garages and additions need a city compliance letter before the county building permit.1
Zoning
Planning Commission zoning regulations and city ordinances both apply.2
Sewer and septic
Public sewer connection generally required where public sewer and water are available; Metro Health issues septic permits.34
Driveway work
City permit required for driveway or parking-area additions and enlargements; gravel is not allowed.5
RV and tiny-home living
We could not confirm occupancy rules; ask the City Clerk for Code Enforcement review of the proposed use.6
Private wells
Kentucky requires a certified water well driller, although the property owner has no well-construction permit application or fee.7

Who to call

Building permits

Graymoor-Devondale City Clerk / Code Enforcement

City building and fence applications, compliance letters, and referrals for city ordinance and zoning questions.

502-429-0834

[email protected]

1500 Lynn Way, Louisville, KY 40222

Septic permits

Louisville Metro Department of Public Health and Wellness — Onsite Septic System Program

Onsite sewage site evaluation, construction permits, plan approval and inspection.

502-574-6655

400 East Gray St 2nd floor, Louisville KY 40202

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

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Do you need a building permit in Graymoor-Devondale, KY?

Graymoor-Devondale directs property owners to contact the City Clerk before construction and submit a building-permit request for Code Enforcement review.1 For houses, garages and additions, Graymoor-Devondale requires a city letter of compliance before Jefferson County issues the building permit.1 City compliance letters do not guarantee Metro Louisville approval, so budget time for both approval steps.6 Graymoor-Devondale also adopts the Kentucky Building Code, Kentucky Plumbing Code and Kentucky Standards of Safety, with the Mayor or designee serving as the local building-code enforcement agent.8

Who handles building applications in Graymoor-Devondale?

The Graymoor-Devondale City Clerk receives building and fence requests, and the city’s Code Enforcement Officer reviews the building request.1 Contact the City Clerk at 502-429-0834 or [email protected]; the city office is at 1500 Lynn Way, Louisville, KY 40222.6 Ask the City Clerk which application and compliance letter your project needs before commissioning final plans.1 We could not confirm the city building-permit fees, inspection schedule or certificate-of-occupancy requirements; ask the City Clerk to route those questions to Code Enforcement and identify any separate county requirements.6

Does Graymoor-Devondale have zoning and setback rules?

Every lot in Graymoor-Devondale must comply with Louisville and Jefferson County Planning Commission zoning regulations and city ordinances.2 A zoning designation alone therefore does not settle whether a proposed project meets city requirements.2 For detached garages, the verified city provisions require at least 2 feet from the side property line, measured from the furthest extended point, and at least 15 feet from the main structure.5 Those garage dimensions are not a general setback table for every building.5 We could not confirm district-specific minimum lot size, minimum dwelling size, general setbacks or lot coverage; ask the City Clerk for review of your parcel and proposed footprint.6

How do septic permits work inside Graymoor-Devondale?

Graymoor-Devondale’s applicable sanitation rule generally requires sewer-connected toilets where public sewer and water are available, with conditional exemptions for qualifying existing residential properties and other Health Department-approved cases.3 Do not assume an unused portion of a lot can support a new septic system instead of sewer service; ask Louisville Metro Public Health and Wellness to determine whether an exemption applies.3 For an eligible onsite system, Metro Health requires a septic permit for all work.4 Submit the site-evaluation application, arrange the evaluation with a septic installer, and have the installer submit the design to Metro Health.4 Septic components must be inspected before soil covers them, and building plans cannot be stamped before the septic construction permit is issued.4

Can you live in an RV or tiny home in Graymoor-Devondale?

We could not confirm Graymoor-Devondale’s rules for residential RV occupancy, temporary private-land camping, tiny homes, manufactured homes or accessory dwellings; ask the City Clerk for Code Enforcement review of the exact proposed use.6 Graymoor-Devondale requires compliance with both zoning regulations and city ordinances, so a building-code-compliant structure does not by itself establish that the intended land use is allowed.2 Short-term rental use is a separate question: the city page states a general prohibition and identifies an exception only for zoning districts classified as R-6 or higher.9 That rental exception does not establish permission to occupy an RV or tiny home.9

What are the steps to build a home in Graymoor-Devondale?

Start by asking the City Clerk to review the proposed use against city ordinances and the applicable zoning regulations.2 Submit the city building-permit request for Code Enforcement review, and obtain the city letter of compliance required for a house before the county building-permit step.1 Resolve sewer service or eligibility for onsite sewage disposal with Metro Health before relying on a septic design.3 For an eligible septic project, complete the site evaluation and construction-permit process before seeking Health Department approval of building plans.4 Include driveway construction in the first structure’s project: city rules require a hard durable surface and prohibit gravel.5 Ask the City Clerk to identify required building inspections and occupancy sign-off before scheduling construction.6

What should you check before buying in Graymoor-Devondale?

Ask the City Clerk about driveway or parking-area changes: additions and enlargements require a city permit and plans showing location, material, width and proximity to the property line.5 The city considers drainage and sidewalk impacts, and prohibits turnarounds, pull-offs and circular driveways in required front or street-side yards.5 We could not confirm the floodplain-development requirements for a city parcel; ask the City Clerk which floodplain administrator must review the address.6 If a private well is proposed, Kentucky requires construction, modification and abandonment by a certified water well driller, even though the owner has no well-construction permit application or fee.7 For land outside city limits, use the Jefferson County guide; the city construction process described here applies inside Graymoor-Devondale.1

Watch-outs

  • A Graymoor-Devondale compliance letter does not guarantee Metro Louisville approval.6
  • City driveway rules prohibit gravel and require a city permit for additions or enlargements to driveways and parking areas.5
  • We could not confirm a general owner-builder exemption in Graymoor-Devondale; ask the City Clerk before treating personal construction work as exempt from city review.6

Sources

  1. Permits & Licenses (Graymoor-Devondale), quoted and re-checked
  2. § 150.21 Zoning Regulations Continue in Force (Graymoor-Devondale), quoted and re-checked
  3. § 50.04 Mandatory Connection to Sanitary Sewers (Graymoor-Devondale), quoted and re-checked
  4. Louisville Metro Department of Public Health and Wellness — Onsite Septic System Program (louisvilleky.gov)
  5. § 150.23 Garages, Carports, Driveways, and Parking Lots (Graymoor-Devondale), quoted and re-checked
  6. Graymoor-Devondale City Clerk / Code Enforcement (graymoordevondale.com)
  7. Water Well Information for Home Owners (Kentucky statewide rule), quoted and re-checked
  8. § 150.01 Adoption of Kentucky Building Code and Standards of Safety; Enforcement Agents (Graymoor-Devondale), quoted and re-checked
  9. Permits & Licenses — Short-Term Rentals (Graymoor-Devondale), 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 Graymoor-Devondale

Graymoor-Devondale’s own rules

  • Building code adoptedAdopted

    Building construction inside Graymoor-Devondale city limits.

    • The city adopts the Kentucky Building Code, Kentucky Plumbing Code, Kentucky Standards of Safety, and amendments by reference.
    • The Mayor or designee is the local enforcement agent for the Kentucky Building Code.
    “The Kentucky Building Code [...] together with any amendments, are hereby adopted by reference as if fully set forth in this code of ordinances.”
  • Local zoningPresent

    Land inside Graymoor-Devondale city limits; the city code requires compliance with Louisville and Jefferson County Planning Commission zoning regulations and city ordinances.

    • The city code states that all lots must be used in accordance with both Planning Commission zoning regulations and city ordinances.
    “All lots shall be used in accordance with the zoning regulations enacted by the Louisville and Jefferson County Planning Commission and city ordinances.”
  • Zoning districtsPartial

    Zoning districts governing land inside Graymoor-Devondale city limits.

    • The city code confirms that Louisville and Jefferson County Planning Commission zoning regulations and city ordinances apply.
    • The city webpage references zoning districts classified as R-6 or higher for short-term rentals.
    • Complete district maps and dimensional tables were not successfully opened in this research pass.
    “zoning districts classified as R-6 or higher”
  • Driveway accessRequired

    New driveways and additions or enlargements to driveways or parking areas inside Graymoor-Devondale city limits.

    • Driveways and parking lots must use asphalt, concrete, or another city-approved hard durable surface; gravel is not allowed.
    • The first structure's construction must include completion of the driveway or parking lot.
    • Any addition or enlargement requires a city permit and plans showing location, material, width, and proximity to the property line.
    • The city considers access points, required front or street-side yards, excessive width over 20 feet, drainage, turnarounds/pull-offs/circular driveways, and sidewalk impacts.
    • Turnarounds, pull-offs, and circular driveways in the required front or street-side yard are not allowed.

    excessive driveway width threshold: > 20 feet (city permit decision factor) · detached garage side setback: >= 2 feet (measured from the furthest extended point) · detached garage separation from main structure: >= 15 feet

    “Any additions or enlargements to any driveway or parking area in the city shall require a permit from the city.”
  • Short-term rentalsLimited

    Short-term rentals inside Graymoor-Devondale city limits.

    • The city page states that short-term rentals are not permitted generally.
    • The page states that such uses are allowed only in zoning districts classified as R-6 or higher under applicable zoning regulations.
    • Properties that do not meet those zoning requirements may not be used for short-term rental purposes.
    “The City of Graymoor-Devondale does not permit short-term rentals”
  • Permit processPublished (with conditions)

    Building and fence permit applications inside Graymoor-Devondale city limits.

    • Contact the City Clerk before construction.
    • Complete and return the building-permit request.
    • The Code Enforcement Officer reviews the request.
    • Houses, garages, and additions also require a city letter of compliance before Jefferson County issues the permit.
    • Variance requests must be submitted with pictures and descriptions at least 7-10 days before the Council meeting at which they will be considered.
    “contact the City Clerk to request a Building Permit”

Rules another office applies inside Graymoor-Devondale

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

  • Off-grid sanitationProhibited (with conditions)

    Human-waste disposal on lots inside Graymoor-Devondale city limits where public sewer and water are available.

    • The prohibition applies where public sewer and water supply are available.
    • Existing residential property may qualify for the stated exemption: at least 4.5 acres, home more than 400 feet from the sewer connection, and a functioning onsite system confirmed by inspection.
    • Other exemptions require Department of Public Health and Wellness approval.
    “except by means of water closets connected with such sewer and water supply.”

Still unanswered

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

  • Owner-builder exemption — Owner-builders constructing or improving property inside Graymoor-Devondale city limits.
  • Inspections — Building inspections inside Graymoor-Devondale city limits.
  • Certificate of occupancy — Certificates of occupancy for buildings inside Graymoor-Devondale city limits.
  • Minimum dwelling size — Minimum dwelling size inside Graymoor-Devondale city limits.
  • Minimum lot size — Minimum lot size inside Graymoor-Devondale city limits.
16 more unanswered
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Well permit
  • Agricultural exemption
  • Subdividing land
  • Building in a floodplain
  • 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 Graymoor-Devondale publishes no rule on the point, not that none exists. Jefferson County’s page lists the county offices to call.

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