Composite Deck costs $38.16 to $81.10 per sq ft in Baton Rouge in 2026. For a 400 sq ft project, expect $15,265 – $32,438 installed, typically near $23,851. That is about 2% above the Louisiana average.
Baton Rouge composite deck calculator
Planning estimate. Wage index applies to the labor share only; materials held at national prices. Get three written quotes.
Why Baton Rouge runs above the Louisiana average
Construction wages in Baton Rouge average $27.96 per hour against $26.41 statewide, so labor-heavy work prices above the Louisiana 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 Baton Rouge
| Project size | Baton Rouge range | Typical |
|---|---|---|
| 100 sq ft | $3,816 – $8,110 | $5,963 |
| 200 sq ft | $7,632 – $16,219 | $11,926 |
| 300 sq ft | $11,449 – $24,329 | $17,889 |
| 400 sq ft | $15,265 – $32,438 | $23,851 |
| 600 sq ft | $22,897 – $48,657 | $35,777 |
| 800 sq ft | $30,530 – $64,876 | $47,703 |
| 1,000 sq ft | $38,162 – $81,095 | $59,629 |
| 1,500 sq ft | $57,244 – $121,643 | $89,443 |
Where the money goes
For a 400 sq ft project in Baton Rouge at roughly $23,851, a typical bill splits like this:
| Line item | Share | Cost |
|---|---|---|
| Labor | 42% | $10,018 |
| Materials | 44% | $10,495 |
| Site prep & equipment | 8% | $1,908 |
| Overhead, disposal & finishing | 6% | $1,431 |
Baton Rouge compared with other Louisiana markets
| Area | Cost per sq ft | vs Baton Rouge |
|---|---|---|
| New Orleans | $37.74 – $80.19 | −1% |
| Lafayette | $36.86 – $78.33 | −3% |
| Shreveport | $37.15 – $78.93 | −3% |
| Lake Charles | $36.99 – $78.60 | −3% |
| Louisiana average | $37.33 – $79.32 | −2% |
Ground conditions and code in Baton Rouge
Permits in Baton Rouge
A residential permit for this work typically runs around $350 in Louisiana. Permit cost is rarely included in a contractor quote, so budget it separately and confirm scope with the Baton Rouge building department before work begins.
Hiring in Baton Rouge
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 Louisiana.
Frequently asked questions
How much does composite deck cost in Baton Rouge?
In 2026, composite deck costs $38.16 to $81.10 per sq ft in Baton Rouge. For a 400 sq ft project, the installed total typically lands between $15,265 and $32,438.
Is Baton Rouge more expensive than the rest of Louisiana?
Yes. Baton Rouge runs about 2% above the Louisiana average, because local construction wages ($27.96/hr) sit above the statewide figure of $26.41/hr.
Do I need a permit in Baton Rouge?
Most work of this type and value requires a permit. Budget around $350 in Louisiana and allow extra time for review in metro jurisdictions.
How do I compare quotes in Baton Rouge?
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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