Price per unit
US average
$20–$65
In Florida
$18–$59
per sq ft installed
Typical project
a 300 sq ft composite deck — $8,100–$17,500
What's included
- Footings and substructure
- Decking material
- Railing
- Stairs
What drives the cost
- Material (PT vs composite vs hardwood)
- Height / elevation
- Railing and stairs
- Built-in features
Get an exact Florida quote in 3 minutes
These are local averages. For a precise number, use the free calculator — it auto-adjusts pricing to your ZIP code.
Frequently asked questions
How much does deck building cost in Florida?
In Florida, expect $18 to $59 per sq ft installed in 2026, depending on materials, scope, and access.
Why is the price different in Florida?
Florida labor and material costs differ from the national average, so the same job costs more or less here than elsewhere. Our calculator adjusts automatically by location.
How do I get an accurate quote?
Measure the area, then use the free ConstruMate calculator — it itemizes material and labor at local rates and produces a professional estimate in minutes.