ADUs are allowed in LexingtonTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Lexington, KY
Is your property eligible for an ADU?
# of Properties
102,837
Owner-occupied
70%
Zoning districts
39
Median Lot Size
0.18 acres
Avg Income
$87,627
Residential Types:
102,837 housing units
Single Family
81%
2-3 Family
4%
Apts (4+ units)
6%
Condos
4%
Other
4%
Zoning Districts:
114,934 parcels · 39 districts
R-1C
23%(26,763)
R-3
20%(22,502)
R-1D
17%(20,100)
R-4
6%(6,566)
Other
34%(39,003)
ADU Rules
What can you build in Lexington, KY?
Lexington, KY follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
Interior / Attached ADU Size Limits
- –Maximum size of 800 sq ft; basement conversions within the footprint are exempt from this cap.
Detached ADU Size Limits
- –Maximum detached ADU size of 800 sq ft.
- –In residential zones, the combined area of all accessory buildings (including a detached ADU) is limited to the greater of 50% of the principal building(s) total square footage or 625 sq ft.
Max Units
- –Single-family: 1 ADU per lot; Duplex: none specified; Multifamily: none specified.
Owner Occupancy
- –No owner-occupancy requirement.
Parking
- –Max 2 spaces for ADUs on single-family detached lots in the Infill/Redevelopment Area; zones with a maximum requirement may allow +1 (up to 3); general residential siting rules apply (no parking in required front or side street yards).
Rental Restrictions
- –STRs must be licensed and operated per Section 3-13; on single-family lots only 1 STR unit is allowed (principal dwelling or ADU); detached ADUs may be STRs only if they are a permitted Detached ADU; un-hosted STRs have 600-foot separation and a 2% cap within 1,000 feet; occupancy for STR ADUs is limited to 2 persons.
What's allowed on your lot?
These are the municipality-wide rules. What's allowed on a specific property also depends on state laws, setbacks, floor area ratio, lot coverage, environmental constraints, topography, and other property-specific factors. Search your address on FutureLot to see what's allowed on your property.
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