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16×24 Composite Deck Cost in Montana (2026)

A 16×24 composite deck in Montana costs about $19,344 turnkey in 2026 ($50.38 per sq. ft.). Here's the itemized breakdown of materials, site prep and labor, using local crew rates.

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Deck Materials
$6,892
Composite boards, railing, framing lumber & hardware
= Rows 3–7 below, materials only
Footings & Framing
$6,711
Concrete footings, posts, beams & joists installed
= Rows 1–2 below, installed price
Turnkey Installed Total
$19,344
$50.38 per sq. ft.
Complete deck built by a local licensed crew
= All rows below, installed price
A fair bid from a local builder in Montana should land between $17,796 and $21,278. Get 3 quotes, and if one is far outside this range, ask why.

Estimate only. Actual prices vary. No guarantee or warranty. Use as a guide only. Read the full disclaimer

Itemized cost breakdown

#ItemQuantityMaterialsLaborInstalled
1Concrete footings & post bases12 footings, 12" × 36" deep, 6×6 treated posts12 footings$737$1,035$2,126
2Pressure-treated framing (joists 12" o.c.)25 2×10 joists, doubled 2×10 beams, flashed ledger25 joists + beams$1,751$2,070$4,585
3Standard capped composite decking5.5" boards with picture-frame border922 lf$3,015$1,757$5,726
4Composite railing system36" composite rails, posts & balusters52 lf$2,370$981$4,021
5Stairs5 steps, 4 ft wide, composite treads & risers5 steps$669$377$1,255
6Hidden fasteners & joist tapeDetails in the spec sheet🔒 Included in $19 spec sheet$476$205$817
7Joist hangers, lags & structural screwsDetails in the spec sheet🔒 Included in $19 spec sheet$362$0$434
8Permit & inspectionsDetails in the spec sheet🔒 Included in $19 spec sheet$317$0$380
Turnkey total$9,697$6,425$19,344
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Prices use 2026 material costs and typical local crew rates. Site work, custom options and material price swings can move your final price.

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Common questions

How much does a 16×24 Composite Deck cost in Montana?

About $19,344 fully built by a local crew in 2026, or roughly $6,892 for the materials kit alone. Most fair bids land between $17,796 and $21,278.

What drives the price up or down?

Site prep (slope, soil, driveway access), floor choice, doors and insulation, and local labor rates. Lumber and steel prices also move a few percent a year.

Do I need a permit?

Most counties require a building permit for structures over 200 sq ft. Call your county building department with your size and location before you order materials.

How do I make sure I'm getting a fair quote?

Get at least 3 itemized bids for the same spec. Compare them line by line against this breakdown and ask about anything far above or below it.

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