Rectangular deck · all 20 popular sizes
Rectangular Deck Cost by Size
A simple rectangular deck — the baseline build that anchors 75%+ of residential decks in the US. Lowest labor, lowest waste, fastest to permit.
1.00× labor vs rectangular7% waste factor
Best for
First-time builds, narrow yards, DIY projects, tight budgets, fast-permit jurisdictions.
Watch-outs
Visually plain unless dressed up with railing detail, picture-frame trim, or pattern decking.
Pick your rectangular deck size
10×8
80 sqftMid composite: $4,000-$6,400
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10×10
100 sqftMid composite: $5,000-$8,000
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12×10
120 sqftMid composite: $6,000-$9,600
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12×12
144 sqftMid composite: $7,200-$11,520
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14×12
168 sqftMid composite: $8,400-$13,440
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16×12
192 sqftMid composite: $9,600-$15,360
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16×14
224 sqftMid composite: $11,200-$17,920
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20×12
240 sqftMid composite: $12,000-$19,200
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16×16
256 sqftMid composite: $12,800-$20,480
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20×14
280 sqftMid composite: $14,000-$22,400
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24×12
288 sqftMid composite: $14,400-$23,040
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20×16
320 sqftMid composite: $16,000-$25,600
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20×18
360 sqftMid composite: $18,000-$28,800
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24×16
384 sqftMid composite: $19,200-$30,720
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20×20
400 sqftMid composite: $20,000-$32,000
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24×20
480 sqftMid composite: $24,000-$38,400
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24×24
576 sqftMid composite: $28,800-$46,080
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30×20
600 sqftMid composite: $30,000-$48,000
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30×24
720 sqftMid composite: $36,000-$57,600
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30×30
900 sqftMid composite: $45,000-$72,000
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Open the calculator with rectangular pre-loaded
Use the full cost calculator to dial in your exact material, railing, stair, and footing specs. Apply the 1.00× multiplier shown above to the rectangular baseline.