Douglass Hills, Kentucky requires city approval for exterior construction, including fences, sheds and decks; city approval must accompany any required Louisville Metro permit approval.1 In Jefferson County, septic systems fall under the local health department, while Douglass Hills separately requires residences to have safe, operable water, electric/gas and sewer connections.23
At a glance
- Building approval
- City approval for exterior projects, alongside any required Metro permit approval1
- Zoning and lot size
- Minimum 10,000 sq ft in undeveloped sections zoned single-family residential; variance provisions apply4
- Residential building code
- Kentucky Residential Code applies to single-family dwellings, duplexes and townhouses5
- Septic systems
- Local health department administers onsite sewage permits and site evaluations2
- Utility connections
- Residences must have safe, operable water, electric/gas and sewer connections, with a construction exception3
- Private wells
- No Kentucky owner permit application or fee; a certified water well driller is required6
Who to call
Building permits
Douglass Hills City Hall / City Engineer
City approval for exterior construction projects; start here for municipal zoning questions.
219 Moser Road Louisville, Ky 40223
Septic permits
Louisville Metro Department of Public Health and Wellness
Onsite Septic System Program: septic permitting, site suitability determinations and inspections for Jefferson County / Louisville Metro
400 E. Gray Street, 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 Douglass Hills 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.
These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.
Do you need a building permit in Douglass Hills, KY?
Douglass Hills requires city approval for exterior home construction projects, including a fence, shed or deck.1 The city calls its application a Letter of Compliance and asks for an attached plan of the proposed project.1 The City Engineer reviews the application for signed approval, and Douglass Hills approval must accompany any permit approval issued by Metro Louisville.1 Treat city approval and any required Metro building permit as separate steps; ask City Hall which approvals your specific project needs before starting work.1 Kentucky Residential Code requirements apply to single-family dwellings, duplexes and townhouses in Douglass Hills.5
Who handles building approval in Douglass Hills?
Start an exterior construction application with Douglass Hills City Hall using the city’s Letter of Compliance page; the City Engineer reviews the proposed project plan.1 Reach City Hall at 502-245-3600 or [email protected].1 Ask City Hall to identify the applicable Metro building-permit route, inspection requirements and any occupancy approval for your address; we could not confirm the complete inspection or certificate-of-occupancy requirements inside Douglass Hills.1 A fee may be required for city approval, so request the current charge when submitting the project plan.1
Does Douglass Hills have zoning, lot-size and setback rules?
In undeveloped sections of Douglass Hills zoned single-family residential, the stated minimum lot area is 10,000 square feet, with City Council variance language applying to that section.4 That threshold is specific to those sections, rather than a universal lot-size rule for every Douglass Hills parcel.4 Before choosing a house footprint, ask City Hall for the parcel’s zoning district, applicable setbacks, lot coverage and dwelling floor-area requirements; we could not confirm those complete dimensional rules.1 Include a proposed project plan with the Letter of Compliance so the City Engineer can review the exterior construction proposal.1
How do septic permits and utility connections work in Douglass Hills?
Douglass Hills requires residences to have safe and operable water, electric/gas and sewer connections; residents actively constructing in compliance with the cited property-maintenance provision have an exception during construction.3 A septic proposal therefore needs the city’s answer on that sewer-connection requirement as well as health-department review.32 Kentucky’s onsite sewage program runs through local health departments, which perform site evaluations and inspections and issue or process septic permits.2 Contact Louisville Metro Public Health and Wellness about onsite sewage review and ask City Hall whether the proposed sanitation arrangement satisfies the city’s utility requirement.71
Can you live in an RV or tiny home in Douglass Hills?
We could not confirm Douglass Hills rules allowing RV occupancy, temporary camping, tiny-home occupancy, manufactured homes or accessory dwellings; ask City Hall about the exact proposed use before buying a lot for one of those purposes.1 For a residence, Douglass Hills requires safe and operable utility connections, subject to its construction exception.3 The utility exception during construction does not establish permission to live in an RV while building: ask the city to resolve that occupancy question separately.31 For a proposed small permanent house, request the applicable dwelling-size and zoning requirements along with the exterior project approval.1
Building a home in Douglass Hills: what should you do first?
- Ask Douglass Hills City Hall to confirm the parcel’s zoning district, dimensional requirements and suitability for the proposed dwelling.1
- Resolve water and sewer connections with the city before committing to an alternative sanitation plan; residences are subject to the city’s utility-connection requirement.3
- Submit the Letter of Compliance with a project plan for City Engineer review, and obtain city approval alongside any required Metro permit approval.1
- If proposing an onsite sewage system, seek local health-department site evaluation and septic permitting guidance.2
- Ask City Hall which inspections and occupancy approvals must be completed before moving in.1
What stays with Jefferson County, and what should Douglass Hills buyers check?
Onsite sewage permitting and site evaluation remain with the local health-department program, rather than the city’s exterior construction approval process.21 Louisville Metro Public Health and Wellness is the health-department contact for septic questions.8 Kentucky does not require a property-owner permit application or fee for constructing or abandoning a private water well, but a Kentucky Certified Water Well Driller must perform construction, modification and abandonment.6 Ask City Hall how a private well proposal fits the city’s required water-service connection and whether floodplain or access approvals affect the site.31 For land outside Douglass Hills, use the Jefferson County guide for the county building-permit answer.9
Watch-outs
- Douglass Hills approval must accompany any required Metro permit approval; completing the city application alone does not settle the Metro building-permit requirement.1
- The Douglass Hills utility-connection exception during construction does not confirm permission for RV occupancy; ask City Hall before planning to live onsite in an RV.31
- We could not confirm a general owner-builder exemption from Douglass Hills building approval; ask City Hall before treating homeowner work as exempt.1
Sources
- Douglass Hills City Hall / City Engineer (cityofdouglasshills.gov)
- Onsite Sewage Disposal Systems Program, quoted and re-checked
- § 50.003 Property Maintenance Standards (Douglass Hills), quoted and re-checked
- codelibrary.amlegal.com (Douglass Hills), quoted and re-checked
- 815 KAR 7:125 Kentucky Residential Code (Douglass Hills), quoted and re-checked
- Water Well Information for Home Owners (Kentucky statewide rule), quoted and re-checked
- Louisville Metro Department of Public Health and Wellness (louisvilleky.gov)
- Louisville Metro - Onsite Septic System Program (2026 county census)
- Louisville Metro Construction Review - Permits (2026 county census)
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.