10×20 Deck Cost Calculator: 2026 Price Guide

10×20 deck costs between $4,000 and $13,000 for most homeowners in 2026, depending on material and local labor rates. At 200 square feet, it is a long narrow deck that works well for homes with deep narrow backyards or for wrapping around corners of a house.

Frequently Asked Questions

How much does a 10×20 deck cost in 2026?

A 10×20 deck costs between $4,000 and $7,000 for pressure-treated wood and $7,000 to $13,000 for composite decking. At 200 square feet it is a mid-size deck with a narrow footprint.

What can fit on a 10×20 deck?

A 10×20 deck fits a dining area at one end and a lounge or grill area at the other. The long narrow format works well for creating distinct zones along the length of the deck.

Is a 10×20 a good deck size?

Yes, for the right yard shape. A 10×20 is ideal when you have depth but limited width. It gives you the same square footage as a 12×16 but in a different footprint that may suit your yard better.

How long does it take to build a 10×20 deck?

Most contractors can complete a 10×20 deck in 3 to 5 days. The long narrow design keeps the build relatively straightforward compared to wider large decks.