BuildingPermitCost

Building Permit Fees in Louisville, KY (2026)

Louisville prices building permits with $0.11 per square foot, with a $75.00 minimum. Enter your project to see the exact math.

  • Official city schedule
  • Effective Feb 6, 2024
  • Verified Nov 4, 2026
Minimum fee
$75.00
Plan review
None
$75k addition
$75

Permit fee calculator

Louisville schedule, eff. Feb 6, 2024
Project type
Estimated permit fees $75.00
  1. 1. Building permit fee
    400 sq ft × $0.11 → minimum $75.00
    $75.00

Fees are estimates based on the official schedule linked below. Confirm with the permit office before applying. Separate electrical, plumbing, mechanical, fire, impact, utility and school fees are usually not included unless they are listed. BuildingPermitCost is not a government permit office, and this is not legal advice.

What common projects cost

Kitchen or bath remodel
$25,000 value, remodel 300 sq ft
$112.50
$112.50 building permit
Room addition
$75,000 value, addition 400 sq ft
$75.00
$75.00 building permit
New single-family home
$350,000 value, new single-family 2,400 sq ft
$252.00
$252.00 building permit

How Louisville calculates your permit fee

The city charges a building permit fee using $0.11 per square foot, with a $75.00 minimum. Electrical, plumbing and mechanical work gets its own permits.

The fee table

Residential 1 & 2 Family: new construction, additions, complete alterations of an entire building

$0.11 per square foot, with a $75.00 minimum.

Partial alterations / work where square feet cannot be calculated

Project valueFee
Over $0$50.00 + $2.50 per additional $1,000

Business occupancy (other commercial occupancies $.13-$.16/sq ft, see notes)

$0.15 per square foot, with a $75.00 minimum.

What counts as project value

Floor area (square feet). New construction, additions and complete alterations of an entire building are priced per square foot by occupancy: square feet on every floor, including finished basement portions, measured to the outside of exterior walls. Partial alterations use a reasonable estimated cost submitted by the applicant and verified by the Department.

Worked example: a $350,000 new home

  1. Building permit fee: 2,400 sq ft × $0.11 = $252.00
  2. Total before trade permits: $252.00.

Fees people miss

FeeAmount
Plan review without permit issuance / refundWhen: review without permit issuance or refund $30.00 minimum, or 1/3 of normal permit fee if higher
Foundation only permit, single familyWhen: foundation-only permit $75.00 each
Certificate of Use and Occupancy administrative fee without building permitWhen: CO without building permit $75.00 each
Penalty for starting work without a permitWhen: work without permit same as standard fee
Permit extension (reactivate expired permit within 180 days)When: expired permit $35.00 each

Trade permits are separate. Electrical: Initial wiring of a one- or two-family residence $200 (includes three inspections). Service upgrade/repairs in 1-2 family: $75 for work $750 or less, $100 over $750. Additional inspections $50. Mechanical: 1 & 2 family dwellings: $105 for the first heating/cooling system, $50 each additional. Commercial by installation cost table ($125 for $2,000 or less up). Plumbing: Not in this schedule (plumbing permits are issued under state/MSD rules); not extracted.

How to apply

  1. Gather your plans and your project's total value and floor area.
  2. Submit to Louisville Metro Codes & Regulations, Office of Construction Review.
  3. Pay the permit and plan review fees when invoiced.

How Louisville compares

A $25,000 remodel costs $112.50 in Louisville: 70% below the national median of $380.00.

A $75,000 addition costs $75.00 in Louisville: 91% below the national median of $820.58.

A $350,000 new home costs $252.00 in Louisville: 91% below the national median of $2,918.63.

Same standard projects everywhere, including plan review and required surcharges. All Kentucky places · Compare side by side

Louisville permit fee FAQ

How much is a building permit in Louisville, KY?

A $25,000 remodel: $112.50. A $75,000 addition: $75.00. A $350,000 new single-family: $252.00. These include every fee the schedule applies to that project; trade permits are separate.

Is plan review included in the Louisville permit fee?

Louisville lists no separate plan review fee for these projects.

How does Louisville determine project value?

Floor area (square feet). New construction, additions and complete alterations of an entire building are priced per square foot by occupancy: square feet on every floor, including finished basement portions, measured to the outside of exterior walls. Partial alterations use a reasonable estimated cost submitted by the applicant and verified by the Department.

Are electrical, plumbing and mechanical permits included?

No. They are separate permits. Electrical: Initial wiring of a one- or two-family residence $200 (includes three inspections). Service upgrade/repairs in 1-2 family: $75 for work $750 or less, $100 over $750. Additional inspections $50. Mechanical: 1 & 2 family dwellings: $105 for the first heating/cooling system, $50 each additional. Commercial by installation cost table ($125 for $2,000 or less up). Plumbing: Not in this schedule (plumbing permits are issued under state/MSD rules); not extracted.

When did these Louisville fees take effect?

The schedule is effective Feb 6, 2024 (“Revised 2/6/2024”). We last checked it against the official source on Nov 4, 2026.