Concrete Slab costs $5.60 to $11.19 per sq ft in New Orleans in 2026. For a 400 sq ft project, expect $2,238 – $4,477 installed, typically near $3,358. That is essentially in line with the Louisiana average.
New Orleans concrete slab calculator
Planning estimate. Wage index applies to the labor share only; materials held at national prices. Get three written quotes.
How New Orleans compares with the rest of Louisiana
Construction wages in New Orleans average $27.18 per hour against $26.41 statewide, so pricing tracks the Louisiana norm closely.
Labor is about 50% 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.
Concrete Slab cost by project size in New Orleans
| Project size | New Orleans range | Typical |
|---|---|---|
| 100 sq ft | $560 – $1,119 | $839 |
| 200 sq ft | $1,119 – $2,238 | $1,679 |
| 300 sq ft | $1,679 – $3,358 | $2,518 |
| 400 sq ft | $2,238 – $4,477 | $3,358 |
| 600 sq ft | $3,358 – $6,715 | $5,037 |
| 800 sq ft | $4,477 – $8,954 | $6,715 |
| 1,000 sq ft | $5,596 – $11,192 | $8,394 |
| 1,500 sq ft | $8,394 – $16,789 | $12,591 |
Where the money goes
For a 400 sq ft project in New Orleans at roughly $3,358, a typical bill splits like this:
| Line item | Share | Cost |
|---|---|---|
| Labor | 50% | $1,679 |
| Materials | 36% | $1,209 |
| Site prep & equipment | 8% | $269 |
| Overhead, disposal & finishing | 6% | $201 |
New Orleans compared with other Louisiana markets
| Area | Cost per sq ft | vs New Orleans |
|---|---|---|
| Baton Rouge | $5.67 – $11.34 | +1% |
| Lafayette | $5.44 – $10.88 | −3% |
| Shreveport | $5.49 – $10.98 | −2% |
| Lake Charles | $5.46 – $10.92 | −2% |
| Louisiana average | $5.52 – $11.05 | −1% |
Ground conditions and code in New Orleans
Permits in New Orleans
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 New Orleans building department before work begins.
Hiring in New Orleans
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 concrete slab cost in New Orleans?
In 2026, concrete slab costs $5.60 to $11.19 per sq ft in New Orleans. For a 400 sq ft project, the installed total typically lands between $2,238 and $4,477.
Is New Orleans more expensive than the rest of Louisiana?
Not meaningfully. New Orleans prices track the Louisiana average closely.
Do I need a permit in New Orleans?
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 New Orleans?
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
Open the full concrete slab calculator →