How Much Does a Deck Cost in St. Louis?

Deck cost calculator · St. Louis & St. Charles County

What will your new deck cost?

Real prices from decks we’ve built here, not a national average. Pick your size, steps and material, and see your number in about a minute.

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We pull the permits
No pressure sales

Fall offerBuilding a deck with us? Add a concrete patio at 20% off or a fence at 10% off. Sign by Nov 16. Patio calculator → Fence calculator →

TimberTech Coconut Husk composite deck with black Westbury aluminum railing, St. Charles MO — 32×16 TimberTech Coconut Husk deck · St. Charles

What will my deck cost?

Enter your size and steps, pick a material, and get a budget price built from our own completed projects — not a national average.

Deck size

deck sq ft320

Steps

Each step adds 4 sq ft. Not sure? A deck sitting about 3′ off the ground usually runs 4 to 5 steps.

Decking material See all 34 colors →

Wood

Capped composite

Advanced PVC — most fade-resistant, top of the line

Railing Westbury photos →Vinyl photos →

Linear feet of railing. We prefill this from your deck size assuming the house takes one long side — change it if that is not your layout.

Drink rail

Tear-out of an existing deck

Your deck

Your estimated price

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What this includes. Permits, plans, materials, labor, concrete footings, and a concrete pad at the base of the stairs. Based on decks 8′ or less in height. This is a budget price to plan around, not a quote — your site, your access, and what you want on the deck all move the number. The only way to get a real price is for us to walk it with you.

Ready to move forward? Click here Call 314-440-8873 Financing Tax Benefits Insurance & Storm Damage

Tell us where to send it and your estimate lands in your inbox. We will follow up about a firm price whenever you are ready.

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Newsletter

Send me the twice-a-year deck check-in. What to look at in the spring, what to take care of before winter. Two emails a year, nothing else.

Estimator follow-up

Have a project estimator follow up with me to answer questions or talk through design ideas.

Deck drawing

Accepted file types: png, Max. file size: 50 MB.

What the number covers

These prices reflect decks with a height of 8' or less, Complete new build including permits, plans, materials, labor, pouring concrete footings, as well as pouring a concrete pad for the stairs to sit on.

Type of composite or hand railing selected will change your price.

OUR DECKS COME WITH A 1 TO 3 YEAR LIMITED WARRANTY ON LABOR AND MATERIALS - one year on pressure-treated, three years on composite with aluminum railing.