Deck Labor Cost Calculator
Labour is the half of a deck quote nobody can itemise from a lumber list. It varies with the region, the height of the deck, how complicated the shape is and how much of the old structure has to come out first. This separates labour from materials so you can see what you are actually being charged to build, and how much of the total a DIY build would save.
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What you'll need
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DEWALT 20V MAX Circular Saw Cordless, Battery Not Included (DCS391B)
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$99.00List Price:: $159.00
DEWALT 20V MAX Drill and Impact Driver (DCK240C2) | Includes 2 Batteries, Charger and Bag (
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$129.00List Price:: $239.00
8 Pcs ABS Deck Spacer Tool, 4 Thicknesses Orange Deck Board Spacers | Deck Spacers Assorted (1/16", 1/8", 3/16", 1/4") for Pressure Treated Composite Decking
$9.99
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CRAFTSMAN 25-Ft Tape Measure with Fraction Marketing, Retractable, Manual-Locking Blade (CMHT37443S)
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$12.98Typical price:: $19.98
Prices and savings as of Oct 25, 2026, 4:32 AM UTC. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Shopping for someone? See our backyard gift guide for deck builders & DIYers.
Need a quote form? Download one of the deck estimate templates.
Is the whole bid reasonable? Run it through the deck quote checker.
What deck labor actually costs in 2026
Most deck builders charge $15 to $35 per square foot for labour, and $20 to $25 is typical for a rectangular deck a few feet off the ground. Behind that number is a crew rate — usually $60 to $90 an hour per person, blended across a lead carpenter and a helper — multiplied by the hours the job takes. A two-person crew builds a standard 200 sq ft deck with one stair run and railing in roughly 60 to 80 labour-hours, which is about $4,500 to $6,000 at a $75 blended rate. Quotes are per square foot, so measure an odd-shaped deck with the deck square footage calculator first.
How labor hours scale with complexity
| Build type | Labour-hours per sq ft | 200 sq ft deck |
|---|---|---|
| Ground-level / floating | 0.25–0.30 | 50–60 hrs |
| Standard, railing + one stair | 0.33–0.40 | 65–80 hrs |
| Elevated or multi-level | 0.45–0.60 | 90–120 hrs |
| Built-ins, curves, hot tub framing | 0.60–0.80 | 120–160 hrs |
The calculator uses 0.35 hours per square foot as its base and scales it with the complexity setting, which lands in the $15–$35 per square foot band at normal crew rates. Labour also moves by region: carpentry costs run 20–35% above average around New York, Boston, San Francisco and Seattle and 10–20% below in much of the South — see deck cost by state for your area.
Labour cost by deck size
| Deck | Area | Labour at $15–$35/sq ft | Typical at $20–$25/sq ft |
|---|---|---|---|
| 10 × 10 | 100 sq ft | $1,500–$3,500 | $2,000–$2,500 |
| 12 × 12 | 144 sq ft | $2,160–$5,040 | $2,880–$3,600 |
| 12 × 16 | 192 sq ft | $2,880–$6,720 | $3,840–$4,800 |
| 16 × 20 | 320 sq ft | $4,800–$11,200 | $6,400–$8,000 |
| 20 × 20 | 400 sq ft | $6,000–$14,000 | $8,000–$10,000 |
The crew rate behind these numbers is not a carpenter's wage: it also pays payroll taxes, workers' compensation and liability insurance, tools, vehicles, estimating time and profit. Carpenters' own pay by state is published in the BLS Occupational Outlook Handbook. For the full job including materials, use the deck cost calculator.
What "labor" actually includes
A proper labour quote covers layout, digging and pouring footings, framing (ledger, beams, joists, blocking), decking, railing and stairs, and clean-up. Demolition of an old deck ($500–$1,500), hauling, permit drawings and any electrical work are usually billed on top.
DIY versus hiring — the real math
Building it yourself saves the labour line — often $4,000–$6,000 on a mid-range deck — but assumes you own or rent the tools ($400–$800), can give it four to eight weekends, and can get the footings and ledger right first time. Compare your own breakeven in our DIY vs contractor breakdown.
Getting labor quotes right
Ask for a written estimate that separates labour from materials. On a 200 sq ft standard deck in an average-cost area, labour under about $3,000 usually means undersized framing or an uninsured crew; over about $8,000 is worth questioning or re-bidding. Check the materials side with the deck material calculator.
Get the Smart Decking Calculator app for Android
Estimate decks on the go, save projects, and share them with contractors.
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Frequently asked questions
- How much does labour cost to build a deck?
- Most deck builders charge between $15 and $35 per square foot for labour alone, with $20 to $25 typical for a straightforward rectangular deck at a normal height. Stairs, multiple levels, curved edges, picture-frame borders and any work above about eight feet all push it toward the top of the range and beyond.
- How much can I save building a deck myself?
- Roughly 40 to 55 percent of the total, because that is what labour represents on most jobs. On a 200 square foot pressure-treated deck that is often $4,000 to $6,000. The honest caveats: it takes two or three weekends, you still pay for the permit and inspections, and the two parts where mistakes are expensive — footings and the ledger connection — are the two parts a first-timer is most likely to get wrong.
- Do deck builders charge by the hour or by the square foot?
- Most price by the square foot for the main deck and then add fixed amounts for stairs, railing runs and demolition, because that is how they estimate their own time. Hourly pricing shows up on repairs and on jobs where the scope is genuinely unknown until something comes apart. Either way, ask for the breakdown — a per-square-foot number with no line items is hard to compare.
- Why is deck labour more expensive for an elevated deck?
- Everything takes longer off the ground. Posts are longer and heavier, footings are deeper, materials have to be lifted, staging goes up and comes down, and the railing has to be built to resist a real fall load. Add the extra inspection steps most jurisdictions require above a set height and an elevated deck can cost 30 to 50 percent more in labour than the same deck at grade.
- What is the labor cost to build a deck per square foot?
- About $15 to $35 per square foot in 2026, with $20 to $25 typical for a straightforward rectangular deck a few feet off the ground. The calculator above works it from crew hours: roughly 0.35 labour-hours per square foot for a standard deck at a blended crew rate of around $75 an hour, adjusted for complexity.
- How do contractors price a deck job?
- Most estimate crew hours from the square footage and the features — each stair run, railing section and level change adds a set amount of time — then multiply by their crew rate and add materials at cost plus 10 to 20 percent. Demolition, permits and site work are quoted separately. If a bid only shows a single number, ask for that split before comparing it with another.
- What do deck builders earn compared with what I pay?
- The crew rate on a quote is not the carpenter's wage. A $60 to $90 blended hourly rate also has to cover payroll taxes, workers' compensation and liability insurance, tools, the truck, time spent estimating and the company's profit. For what carpenters themselves are paid, the US Bureau of Labor Statistics publishes median wages by state in its Occupational Outlook Handbook.
- What is the labour cost for a 12x12 or 16x20 deck?
- At $15 to $35 per square foot, a 12x12 deck (144 sq ft) is about $2,160 to $5,040 in labour and a 16x20 deck (320 sq ft) about $4,800 to $11,200. Stairs, railing, height and demolition move a job within that band; enter them in the calculator above for a figure built from crew hours.
