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.
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.
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:
- Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
- Power Bluetti Solar generators and home battery backup for living off the grid.
- Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
- Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.
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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
- Permits & Licenses (Graymoor-Devondale), quoted and re-checked
- § 150.21 Zoning Regulations Continue in Force (Graymoor-Devondale), quoted and re-checked
- § 50.04 Mandatory Connection to Sanitary Sewers (Graymoor-Devondale), quoted and re-checked
- Louisville Metro Department of Public Health and Wellness — Onsite Septic System Program (louisvilleky.gov)
- § 150.23 Garages, Carports, Driveways, and Parking Lots (Graymoor-Devondale), quoted and re-checked
- Graymoor-Devondale City Clerk / Code Enforcement (graymoordevondale.com)
- Water Well Information for Home Owners (Kentucky statewide rule), quoted and re-checked
- § 150.01 Adoption of Kentucky Building Code and Standards of Safety; Enforcement Agents (Graymoor-Devondale), quoted and re-checked
- 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.