EdgeLocal

How Much Does Deck Building Cost? — 2026 Guide

New decks, deck replacement, repair and staining.

Average cost range

$8,000–$30,000

for a typical new deck

Cost factorImpact on price
Size and heightElevated decks need taller posts and stronger framing.
Decking materialComposite costs more than pressure-treated lumber but needs less maintenance.
RailingsAluminum, glass or cable railings cost more.
FootingsFrost-depth footings are required in cold climates.
ExtrasBuilt-in benches, lighting and stairs add cost.
Typical range$8,000–$30,000 for a typical new deck

Two similar-looking jobs can be priced very differently once materials, access and local labor rates are taken into account, so the most reliable number is a written quote for your project.

Typical U.S. ranges from industry sources (2024–25); not EdgeLocal data. Your quote will vary with scope, materials and location.

EdgeLocal lists 2,705 deck & patio builders in total.

How to get quotes

  1. Describe your project once: what needs doing, your ZIP code and your timeline.
  2. EdgeLocal sends your request to local deck & patio builders who cover your area.
  3. Compare two or three written quotes on scope, materials, timeline and warranty — not just price.

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What affects the cost

  • Deck size and height off the ground
  • Material: pressure-treated, cedar or composite
  • Railings and stairs
  • Footings and ledger attachment
  • Permits and inspections

Questions to ask before you hire

  • How will the deck attach to the house, and how is the ledger flashed?
  • Will you pull the building permit?
  • Can you show proof of general liability insurance and, if you have employees, workers’ compensation coverage?
  • Will you give me a written, itemized estimate and a written contract before work starts?
  • What warranty do you offer on labor, and who handles manufacturer warranty claims?

Verify your contractor

Iowa requires contractors doing residential construction over $2,000 to be registered with the Iowa Division of Labor under Iowa Code Chapter 91C. Before you sign, check the registration number on the estimate against the state registry.

Look up an Iowa contractor registration

What deck & patio builders do

Deck builders design and permit new decks, set footings below frost depth, frame with treated lumber, install composite or wood decking, railings and stairs and repair or resurface aging decks.

Find deck & patio builders by state

Hiring deck & patio builders: what to know

Deck builders design, build and repair wood and composite decks, porches and railings. Deck builders design and permit new decks, set footings below frost depth, frame with treated lumber, install composite or wood decking, railings and stairs and repair or resurface aging decks.

Typical U.S. ranges from industry sources (2024–25); not EdgeLocal data. Your quote will vary with scope, materials and location.

How to hire a deck builder

  1. Confirm permits and drawings. Decks typically require permits and inspections.
  2. Ask about ledger flashing. Proper ledger attachment prevents rot and collapse.
  3. Compare decking materials. Weigh upfront cost against maintenance.
  4. Check footing depth. Footings must meet local frost depth.
  5. Get warranty details. Ask about workmanship and material warranties.

Red flags to watch for

  • No permit plan
  • Nails ledger to siding without flashing
  • Uses interior screws outdoors
  • Footings not below frost line

Licensing

Deck builders need state contractor registration where required (such as Iowa) or residential building licenses in Minnesota; local permits apply.

Best time to hire

Book deck builders in winter for spring construction; building season runs April–October.

Related services

Deck Building cost FAQs

Wood or composite decking?

Pressure-treated wood is cheaper up front; composite costs more but requires less maintenance and lasts longer.

How deep do deck footings need to be?

In the Upper Midwest, frost depth is typically 42–60 inches, depending on local code.

How long does a deck last?

Wood decks last 15–20 years with care; composite decks often last 25–30 years.

How much do deck & patio builders charge?

Typical U.S. pricing runs about $8,000–$30,000 for a typical new deck. The biggest drivers are size and height, decking material, railings. These are industry estimates, not EdgeLocal data — get at least three written quotes.

Do deck & patio builders need a license?

Deck builders need state contractor registration where required (such as Iowa) or residential building licenses in Minnesota; local permits apply.

When is the best time to hire a deck builder?

Book deck builders in winter for spring construction; building season runs April–October.

How do I verify a contractor in Iowa?

Iowa requires contractors doing residential construction over $2,000 to register with the Iowa Division of Labor (Iowa Code Chapter 91C). You can look up a registration on EdgeLocal’s verify page.

Related cost guides

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