Kentucky

Kentucky's growing cities are looking to accessory dwelling units as a way to expand housing options within established neighborhoods. Louisville has updated its land development code to accommodate ADUs, and other municipalities are following suit. ADU Pass helps Kentucky property owners navigate the permitting process.

1,131 ZIP codes
121 Counties
613 Cities

Map

Open larger map

State ADU details

State financing programs

Kentucky does not operate an ADU-specific statewide loan, grant, or forgivable-loan program. The Kentucky Housing Corporation (KHC) is the state housing finance agency and administers first-time-homebuyer mortgage products, the Welcome Home Grant (down-payment assistance), the KHC Down Payment Assistance Program (up to $12,500 second mortgage), and Mortgage Credit Certificates. None target ADU construction directly. ADU costs may be financed through standard renovation or construction-loan products under KHC programs when the ADU is part of a qualifying primary-residence transaction.

checked 2026-04-26

State insurance regimes

Kentucky operates a FAIR Plan as the insurer of last resort but is not part of a state-run wind pool. The Kentucky FAIR Plan Reinsurance Association (KFP), continuously in effect since 1968, provides basic property and casualty insurance to Kentucky property owners who have been declined by the voluntary admitted market. All property and casualty insurers doing business in Kentucky participate in funding the Plan. Kentucky also operates the Kentucky Automobile Insurance Plan (KAIP, est. 1947) for auto residual market. Kentucky has tornado, severe-thunderstorm, and limited Ohio-River flood exposure but no coastal wind risk; these are admitted-market dynamics rather than a state insurance regime. ADUs are typically covered as accessory structures under standard homeowner policies (often at ~10% of dwelling coverage) or require a dwelling-fire or landlord endorsement when rented; the FAIR Plan covers eligible properties on a basic-fire-and-extended-coverage basis without ADU-specific provisions. The Kentucky Department of Insurance regulates property insurance.

checked 2026-04-26

Known state issues (1)

  • legislative-session (since 2026-01-14) — Until the General Assembly enacts an ADU-preemption statute, every ADU project in Kentucky is governed by local code only. (source)
Federal (United States) — ADU-relevant rules and programs

Federal ADU law

The United States has no federal statute that directly regulates accessory dwelling unit entitlement or design. Land-use authority over ADUs resides with states and local governments under the traditional police power. Federal engagement is limited to financing (Fannie/Freddie/FHA/VA/USDA), flood insurance (FEMA/NFIP), and discretionary housing programs (HUD), which are recorded in sibling sections of this file.

checked 2026-04-20

Federal financing programs

Federal housing-finance agencies and GSEs set nationwide underwriting rules that govern whether an ADU can be financed, appraised, and counted toward mortgage qualifying income. The relevant actors are Fannie Mae, Freddie Mac, FHA (HUD), VA, and USDA Rural Development.

checked 2026-04-20

Federal tax credits

There is no ADU-specific federal tax credit. ADUs may incidentally qualify for existing federal energy-efficiency and clean-energy tax credits when the ADU construction includes qualifying measures.

checked 2026-04-20

Federal housing programs

HUD administers several discretionary programs that can fund ADU-related activity at the grantee's election, but none is an ADU-specific program.

checked 2026-04-20

Counties

Cities

Back to ADU Pass