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Deck cost estimator for Meridian, ID

Set the footprint, pick a decking material and a rail, say how far off the ground it sits. The estimator returns a range built from 2026 Treasure Valley pricing. For a real number on your own yard, call (208) 314-4914 or send the details through the form.

100 sq ft 900 sq ft

A 16 by 20 deck is 320 square feet, which is the most common size in a Meridian back yard.

Decking material
Height above grade
Rail system
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What each setting is doing

Square footage and material set the base. Height sets the framing and stair burden, and it is the single most underestimated driver: the same 320 square feet costs materially more at five feet up than at eighteen inches, because of post length, footing size, guard length, and a stair run that suddenly needs a handrail and its own footings.

Rail is priced by perimeter, which is why a long thin deck costs more to rail than a square one of the same area. Cover is priced separately again, and the tie-in to an existing roof is the part that varies most between houses.

Installed deck cost per square foot by decking material Pressure treated pine runs 32 to 48 dollars per square foot installed, western red cedar 42 to 66, capped composite 55 to 88, and capped PVC 66 to 105. $0 $25 $50 $75 $100 Pressure treated pine $32 to $48 Western red cedar $42 to $66 Capped composite $55 to $88 Capped PVC $66 to $105 Treasure Valley, installed cost per square foot, 2026 estimate
Base installed cost per square foot before rail, stairs, or cover. The framing beneath all four is identical, which is why the material premium applies to less of the job than the board price suggests.

The full cost guide works through each line with worked examples, and the size and layout guide covers how to pick a footprint that suits the yard before you price anything.

Thinking about a deck this season?

Call (208) 314-4914 or use the quote form for a free written price on any deck project in the Treasure Valley.