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Lexington Zoning & Land Use Guide

Editor-verified· 2026-05-24
Last updated: Verified:

Key Zoning Facts

Building Code Edition
Kentucky Building Code (2018 IBC)
ADUs Allowed
Yes
Primary District
R-1D Single-Family Residential
Max Height
35 ft

Regulatory Layers That Apply in Lexington

Your property is subject to ALL of these regulatory layers. Each one can impose additional requirements beyond the others.

Federal

State — Kentucky

  • Building Code: Kentucky Building Code (2018 IBC)
View Kentucky zoning overview

County — Fayette County

  • Role: Merged with Lexington as urban county government; unified planning

City / Municipal

The city's zoning ordinance, building codes, and local permits form the primary layer of land-use regulation for your property.

Overlay Districts

No overlay districts identified.

Private Restrictions

  • HOA / CC&Rs common: Yes
  • Check HOA CC&Rs for additional restrictions.

Primary Zoning Districts

R-1DSingle-Family Residential
Min Lot
6,000 sq ft
Max Height
35 ft
Front Setback
25 ft
Side Setback
5 ft
Rear Setback
25 ft
R-3Planned Neighborhood Residential
Min Lot
4,000 sq ft
Max Height
45 ft
Front Setback
20 ft
Side Setback
8 ft
Rear Setback
25 ft
B-1Neighborhood Business
Min Lot
None
Max Height
35 ft
Front Setback
10 ft
Side Setback
0 ft
Rear Setback
0 ft

ADU Rules in Lexington

ADUs:Allowed
Max Size
800 sq ft
Max Height
25 ft
Rear Setback
5 ft
Side Setback
5 ft
Parking
1 off-street space required
Owner Occupancy
Owner must occupy primary dwelling
Permit Timeline
6-10 weeks
Full ADU rules for Lexington

Permit Costs & Timelines

Permit Costs & Timelines

Specific permit fee schedules for Lexington are available from the local planning department. Fees vary based on project type, scope, and valuation.

Check Lexington permit fees →

Official Sources

City-specific

Frequently Asked Questions

What zones allow multi-family housing in Lexington?
Multi-family housing is permitted in R-3, R-4, R-5 and higher-density residential zones, as well as in certain business and mixed-use districts.