DeckMath
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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

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.