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Can You Build an ADU in Covington?

ADU rules in Covington are set by local zoning in Kentucky. Many Kentucky cities allow ADUs — here's what to check, plus typical costs ($138,500–$227,000 for a 700 sq ft detached unit).

Construction costs in Covington track close to the Kentucky state average.

Detached ADU (700 sq ft)

$138,500–$227,000

Garage conversion (400 sq ft)

$43,000–$79,000

Statewide protection

Local rules

What applies in Covington

We do not yet publish a verified Covington ordinance summary. Use this page for a planning-level cost estimate, then check Covington's planning or building department for rules that apply to your parcel.

Estimate your Covington ADU cost

Your property

ADU type

Estimated cost in Kentucky

$138,500 – $227,000

≈ $198–$324/sq ft turnkey · midpoint $183,000

$124,500
Construction
$32,900
Design & permits
$25,600
Site work
ADU rules in Kentucky are set by your city — here's what to check.
  • iSize set locally. This state leaves ADU size limits to your city — typical caps run 600–1,200 sq ft. Check your local code.
  • iParking. Set by local ordinance — commonly 1 space per ADU unless near transit.
  • iOwner-occupancy varies. Owner-occupancy rules are set locally in this state.
  • ✓Lot has room. A 700 sq ft ADU uses about 12% of your 6,000 sq ft lot — comfortably within typical coverage limits.

Rule basis: Local zoning governs — rules vary by city/county

If you rent it out

$975–$1,575

est. rent/mo

8.4%

gross yield

12.9 yrs

payback

~$14,229/yr after a 7% vacancy allowance, before financing & maintenance.

Financed over 20 yrs at 7.5%, the build is about $1,474/mo — vs ~$1,275/mo in estimated rent.

Get your detailed feasibility report →

Estimates are for planning only and are based on regional construction-cost indices and published statewide ADU statutes. Local ordinances, lot conditions and contractor pricing vary — always confirm with your city planning department and a licensed contractor.

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Other Kentucky cities

LouisvilleLexingtonBowling Green

Estimates are for planning only and are based on regional construction-cost indices and published statewide ADU statutes. Local ordinances, lot conditions and contractor pricing vary — always confirm with your city planning department and a licensed contractor.