Composite Deck costs $39.05 to $82.98 per sq ft in Louisville/Jefferson County in 2026. For a 400 sq ft project, expect $15,620 – $33,192 installed, typically near $24,406. That is about 3% above the Kentucky average.
Louisville/Jefferson County composite deck calculator
Planning estimate. Wage index applies to the labor share only; materials held at national prices. Get three written quotes.
Why Louisville/Jefferson County runs above the Kentucky average
Construction wages in Louisville/Jefferson County average $29.64 per hour against $27.81 statewide, so labor-heavy work prices above the Kentucky norm here.
Labor is about 42% of the installed cost on this type of work, and it is the part that actually moves between markets. Materials are priced by national manufacturers and barely shift, which is why the gap between metros is narrower than wage differences alone suggest.
Composite Deck cost by project size in Louisville/Jefferson County
| Project size | Louisville/Jefferson County range | Typical |
|---|---|---|
| 100 sq ft | $3,905 – $8,298 | $6,101 |
| 200 sq ft | $7,810 – $16,596 | $12,203 |
| 300 sq ft | $11,715 – $24,894 | $18,304 |
| 400 sq ft | $15,620 – $33,192 | $24,406 |
| 600 sq ft | $23,430 – $49,788 | $36,609 |
| 800 sq ft | $31,239 – $66,384 | $48,812 |
| 1,000 sq ft | $39,049 – $82,980 | $61,015 |
| 1,500 sq ft | $58,574 – $124,470 | $91,522 |
Where the money goes
For a 400 sq ft project in Louisville/Jefferson County at roughly $24,406, a typical bill splits like this:
| Line item | Share | Cost |
|---|---|---|
| Labor | 42% | $10,250 |
| Materials | 44% | $10,739 |
| Site prep & equipment | 8% | $1,952 |
| Overhead, disposal & finishing | 6% | $1,464 |
Louisville/Jefferson County compared with other Kentucky markets
| Area | Cost per sq ft | vs Louisville/Jefferson County |
|---|---|---|
| Lexington | $38.08 – $80.93 | −2% |
| Bowling Green | $37.07 – $78.78 | −5% |
| Paducah | $38.72 – $82.28 | −1% |
| Owensboro | $37.44 – $79.57 | −4% |
| Kentucky average | $38.07 – $80.89 | −3% |
Ground conditions and code in Louisville/Jefferson County
Permits in Louisville/Jefferson County
A residential permit for this work typically runs around $300 in Kentucky. Permit cost is rarely included in a contractor quote, so budget it separately and confirm scope with the Louisville/Jefferson County building department before work begins.
Hiring in Louisville/Jefferson County
Get three written, itemised quotes from licensed and insured contractors, each specifying the same scope and grade of material. Ask for local references and check the licence is current in Kentucky.
Frequently asked questions
How much does composite deck cost in Louisville/Jefferson County?
In 2026, composite deck costs $39.05 to $82.98 per sq ft in Louisville/Jefferson County. For a 400 sq ft project, the installed total typically lands between $15,620 and $33,192.
Is Louisville/Jefferson County more expensive than the rest of Kentucky?
Yes. Louisville/Jefferson County runs about 3% above the Kentucky average, because local construction wages ($29.64/hr) sit above the statewide figure of $27.81/hr.
Do I need a permit in Louisville/Jefferson County?
Most work of this type and value requires a permit. Budget around $300 in Kentucky and allow extra time for review in metro jurisdictions.
How do I compare quotes in Louisville/Jefferson County?
Get three written, itemised quotes covering identical scope and materials. A bid far below the others usually signals a reduced specification rather than better value.
Nearby markets
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