Composite deck cost in Miami, FL
Local estimate from BLS wage data and BEA price levels. Reviewed Nov 4, 2026.
- Typical range (300 sq ft)
- $11,300 – $22,700
- Per sq ft
- $37.50 – $75
- before permit
- Versus US midpoint
- −6%
- US $18,100
- Rank of 300 metros
- #164
- 1 = most expensive
Miami homeowners pay roughly $11,300 to $22,700 to build a composite deck at 300 sq ft, or $37.50 to $75 per sq ft (permit not included). Against the US midpoint, Miami is 6% lower. Carpenters earn a median of $24.79 an hour in the Miami area, 15% below the US median of $29.12.
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Estimated cost for 300 sq ft in Miami, FL, standard level
$14,700 to $19,300
About $49 to $64 per sq ft before permits. Labor is about 55% of the bill.
| Part | Low | High |
|---|---|---|
| Materials | $6,450 | $8,450 |
| Labor | $8,200 | $10,700 |
| Permits and fees | $90 | $140 |
| Total | $14,700 | $19,300 |
Cost breakdown for 300 sq ft in Miami, FL
| Part of the job | Low | Midpoint | High | Share |
|---|---|---|---|---|
| Materials | $4,950 | $7,450 | $9,950 | 44% |
| Labor | $6,300 | $9,450 | $12,600 | 55% |
| Permits and fees | $55 | $110 | $170 | 1% |
| Total | $11,300 | $17,000 | $22,700 | 100% |
What is behind the Miami number
Labor is 55% of the midpoint bill here, against 60% nationally. The mix of trades behind this job is carpenters (80%), construction laborers (20%). We weight each trade's local median wage by that share and compare it with the national median. In Miami the blended ratio comes out at 0.87.
On the materials line, the BEA goods price index for the Miami metro is 103.6 (US = 100). The midpoint materials bill for 300 sq ft comes to $7,450, compared with $7,200 at national prices. Permit and inspection fees are scaled by the broader index (114.2) and land at $55 to $170.
Is Miami cheap or dear? The local comparison
Of the five closest metros, all are cheaper than Miami. Port St. Lucie is the lowest at about $15,900 (midpoint, 300 sq ft), 80 miles away.
| Area | Range | Midpoint | vs. here |
|---|---|---|---|
| Miami, FLthis page | $11,300 – $22,700 | $17,000 | |
| Naples, FL55 miles | $10,800 – $21,600 | $16,200 | −5% |
| Port St. Lucie, FL80 miles | $10,600 – $21,300 | $15,900 | −6% |
| Cape Coral, FL100 miles | $10,700 – $21,400 | $16,000 | −6% |
| Punta Gorda, FL110 miles | $10,700 – $21,400 | $16,000 | −6% |
| Sebastian, FL110 miles | $10,600 – $21,300 | $16,000 | −6% |
| Florida (statewide) | $10,800 – $21,700 | $16,300 | −4% |
| United States | $12,100 – $24,200 | $18,100 | +6% |
Across 300 US metros, Miami comes in at #164 from the top. The priciest is Honolulu, HI at $25,200; the cheapest is Brownsville, TX at $13,500 (midpoints, 300 sq ft). Statewide, Miami is 4% above the Florida figure.
Other Florida metros
| Metro | Size | Range | Midpoint | vs. here |
|---|---|---|---|---|
| Tampa, FL | 1,447,120 jobs | $10,900 – $21,900 | $16,400 | −4% |
| Orlando, FL | 1,411,730 jobs | $10,700 – $21,400 | $16,000 | −6% |
| Jacksonville, FL | 765,930 jobs | $10,800 – $21,700 | $16,200 | −5% |
| North Port, FL | 339,940 jobs | $11,000 – $22,100 | $16,500 | −3% |
| Cape Coral, FL | 304,790 jobs | $10,700 – $21,400 | $16,000 | −6% |
| Lakeland, FL | 265,280 jobs | $10,200 – $20,500 | $15,400 | −10% |
Cities with a workforce like Miami's
Big cities and small ones price differently, so here is Miami against the 4 metros with the closest total employment.
| Metro | Size | Range | Midpoint | vs. here |
|---|---|---|---|---|
| Atlanta, GA | 2,889,670 jobs | $11,000 – $22,000 | $16,500 | −3% |
| Boston, MA | 2,703,890 jobs | $13,900 – $27,900 | $20,900 | +23% |
| Philadelphia, PA | 2,897,830 jobs | $12,300 – $24,600 | $18,400 | +8% |
| Phoenix, AZ | 2,375,760 jobs | $11,800 – $23,600 | $17,700 | +4% |
Optional extras in Miami
Extras are quoted nationally and then scaled to Miami by the average of the local wage index (0.87) and goods index (1.04), a factor of 0.95. Tick any of them in the estimator above to add them to your total. Treat these as planning figures: an add-on touches different trades than the main job, so the scaling is an approximation.
| Add-on | Local range |
|---|---|
| Add a deck railing (approx. 0.3 ft per sq ft) | $1,700 – $5,150 |
Local wages behind the labor line
Wages are the part of this estimate that changes most from town to town. 2 trades carry the job here, and each is compared with its US median. The weighted result for Miami is 0.87 times the national level.
For carpenters (47-2031, weighted 80%) the local median is $24.79 an hour, which is 15% below the national $29.12. The middle half of them earn between $21.65 and $29.32 an hour. BLS counts 10,100 of them working in the area, 35.8 for every 10,000 jobs (US: 43.1), so the local bench is thinner than average.
Construction laborers (47-2061), 20% of the weighting: a median of $21.88 an hour, 3% below the US median of $22.66. The middle half of them earn between $18.33 and $23.61 an hour. About 18,280 work in the metro. That is 64.8 per 10,000 jobs, compared with 70.5 nationally, so the supply of crews looks typical.
Quotes come from real crews, not medians. If the carpenters on your job are paid at the 75th percentile ($29.32 an hour) instead of the median, the labor line grows by about $1,350. At the 25th percentile ($21.65) it shrinks by about $930. The total moves by 7.9% or 5.5%, so wages alone rarely explain a quote that is far outside our range.
For context on the local economy, BLS counts 2,819,940 jobs in the Miami-Fort Lauderdale-West Palm Beach area. That makes it the 9th largest of the 300 metros we cover, with 1.81% of US employment.
| Trade | Weight | 25th pct | Median | 75th pct | US median | Ratio | Level used |
|---|---|---|---|---|---|---|---|
| Carpenters (47-2031) | 80% | $21.65 | $24.79 | $29.32 | $29.12 | 0.85 | metro |
| Construction laborers (47-2061) | 20% | $18.33 | $21.88 | $23.61 | $22.66 | 0.97 | metro |
| Blended | 100% | 0.87 | |||||
Miami: what basic, standard and premium work costs
Three bands are cut from the same cited range and localized for Miami wages and prices. They overlap on purpose: a good standard job and a modest premium job can cost the same. The grid below prices the same bands at 4 common sizes.
Basic
$11,300 to $15,900
Entry-level composite boards, low deck, simple shape
Standard
$14,700 to $19,300
Mid-grade capped boards with railing and stairs
Premium
$18,100 to $22,700
Premium capped or PVC boards, multi-level, hidden fasteners
| Size | Basic | Standard | Premium |
|---|---|---|---|
| 10x12 (120 sq ft) | $4,550 – $6,400 | $5,950 – $7,800 | $7,350 – $9,200 |
| 12x12 (144 sq ft) | $5,450 – $7,650 | $7,100 – $9,350 | $8,800 – $11,000 |
| 16x20 (320 sq ft) | $12,100 – $16,900 | $15,700 – $20,600 | $19,400 – $24,200 |
| 20x20 (400 sq ft) | $15,100 – $21,100 | $19,600 – $25,700 | $24,200 – $30,200 |
Why two Miami quotes can differ
Board grade
Composite materials run $16-$32 per sq ft and the installed price is $40-$80 per sq ft, including the substructure (HomeGuide).
Labor
Labor for composite is $24-$48 per sq ft, higher than wood because the boards need extra parts and more careful assembly.
Drainage
Ground-level decks over poorly draining yards may need $1,000-$4,000 of drainage work first.
When to schedule composite deck in Miami
We use NOAA's 1991-2020 climate normals for Miami Beach (5 miles from the city center). These are 30-year monthly averages, not forecasts.
Weather is not a serious constraint for exterior installation in Miami: no month in the averages is cold enough (an average daytime high under 45°F) or hot enough (an average daytime high of 90°F or more) to rule it out, so the workable window is all year.
Miami gets about 57 inches of precipitation in a normal year. The wettest months are June, August and September (8.4 inches in September). The station averages about 30 days a year at 90°F or above.
Does the season change the price? Probably, but we do not have a sourced seasonal price curve, so the estimator shows a year-round figure and does not adjust by month. When you collect quotes, ask whether scheduling in a slower month gets a better rate.
| Month | Avg high °F | Avg low °F | Precip (in) | For this job |
|---|---|---|---|---|
| Jan | 74 | 61 | 2.3 | Workable |
| Feb | 75 | 63 | 2.3 | Workable |
| Mar | 77 | 65 | 2.5 | Workable |
| Apr | 80 | 70 | 3.4 | Workable |
| May | 83 | 74 | 4.9 | Workable |
| Jun | 86 | 77 | 7.8 | Workable |
| Jul | 88 | 78 | 6.0 | Workable |
| Aug | 88 | 78 | 7.5 | Workable |
| Sep | 87 | 77 | 8.4 | Workable |
| Oct | 84 | 74 | 6.5 | Workable |
| Nov | 79 | 69 | 3.3 | Workable |
| Dec | 76 | 65 | 2.3 | Workable |
Related projects, priced for Miami
Because every project leans on different trades, Miami's wage level does not move all prices equally. Against the US midpoint, paver patio runs −1% and wood deck −3%.
| Project | Size | Range | vs. US |
|---|---|---|---|
| Wood deck | 300 sq ft | $7,300 – $14,600 | −3% |
| Concrete patio | 300 sq ft | $1,250 – $3,850 | −3% |
| Paver patio | 300 sq ft | $2,950 – $5,400 | −1% |
| Gutters | 160 linear ft | $1,250 – $4,150 | −2% |
Get 3 local quotes
Tell us about the job and we will try to connect you with up to three local contractors for written quotes. It is free and you are under no obligation to hire. Your estimate of $14,700 to $19,300 for Miami, FL is attached.
Detailed composite deck report for Miami, FL, $9
Multi-page report for Miami, FL: low, typical and high cost, a line-item breakdown of materials and labor by trade, permit notes, the best months to schedule, a quote comparison sheet, red flags, questions for contractors, checklists and every source. Save your estimate above, preview page 1 free, and unlock the full report for $9 one-time, or get every report with CostLocal Pro.
Composite deck in Miami: your questions
+How much does it cost to build a composite deck in Miami?
For 300 sq ft, expect $11,300 to $22,700 in the Miami area. A standard-spec job lands at $14,700 to $19,300. Small jobs usually cost more per sq ft and large ones less.
+What is the price per sq ft for composite deck in Miami?
About $37.50 to $75 per sq ft for materials and labor, plus $55 to $170 for the permit if one is needed. The US range is $40 to $80.
+Is composite deck cheaper in Miami or Naples?
Naples is 55 miles away. The midpoint for 300 sq ft there is $16,200, which is 5% less than Miami ($17,000). Wage and materials indexes both feed that gap.
+How much of the bill is labor in Miami?
About 55% at the midpoint, or $9,450 out of $17,000. Materials are 44% and permits 1%. Nationally, labor is 60%.
+What would 16x20 (320 sq ft) cost in Miami?
$12,100 to $24,200. Pick a different size in the estimator above to get your own number.
+Does composite deck need a permit in Miami?
Often, but rules are set by your city or county building office, so call before you hire. Budget $55 to $170 for fees in the Miami area (our national range of $50 to $150 scaled by the local price level).
+Is Miami expensive for composite deck compared with the rest of Florida?
Miami is 4% above the Florida statewide estimate ($16,300 at the midpoint). We cover 19 metros in Florida; see the state page to compare them.
+What do carpenters earn in Miami?
The BLS median is $24.79 an hour in the Miami area, compared with $29.12 nationally. The 25th to 75th percentile range is $21.65 to $29.32.
+What do basic and premium composite deck work cost in Miami?
For 300 sq ft, basic work runs $11,300 to $15,900 and premium work $18,100 to $22,700. Basic means: entry-level composite boards, low deck, simple shape. Premium means: premium capped or PVC boards, multi-level, hidden fasteners.
+Is there a bad season to build a composite deck in Miami?
Not from a temperature point of view. NOAA's 1991-2020 normals show no month with a freezing-level overnight low or a 90°F-plus average high, so timing is mostly about contractor availability and rain.
+What does "add a deck railing" add in Miami?
$1,700 to $5,150 for 300 sq ft, from a national range scaled by the local wage and goods indexes.
Composite deck near Miami
Where these numbers come from
Base prices are national ranges from the sources below. We scale labor by local BLS wages, materials by BEA goods prices and permits by the BEA all-items price level. Full method on the methodology page.
- HomeGuide: How Much Does Composite Decking Cost? (2026) (accessed November 4, 2026)
- HomeGuide: 2026 Building Permit Costs | Fees & Cost Calculator (accessed November 4, 2026)
- BLS Occupational Employment and Wage Statistics, May 2025
- BEA Regional Price Parities, 2024
- NOAA NCEI U.S. Climate Normals, 1991-2020