In Massachusetts, a standard 300 sqft deck runs roughly $21,990–$31,537 depending on material. Labor runs 30% above the national average, and permits typically cost about $450. Frost-line footings add 8–12% to the build.
Cost by material — 300 sqft deck in Massachusetts
Standard 12×25 deck, 3–5 ft off ground, composite balusters, one stair run. Includes framing, footings, railing, stairs, permit, and 8% contingency.
Pressure-Treated Pine
15–20 yrs · Stain every 2–3 yrs
$73/sqft
$21,990
Cedar / Redwood
20–25 yrs · Seal every 2–3 yrs
$81/sqft
$24,436
Composite (Trex, TimberTech)
25–30 yrs · Rinse yearly
$95/sqft
$28,468
PVC / Cellular
30+ yrs · Rinse yearly
$105/sqft
$31,537
Ipe / Cumaru Hardwood
40+ yrs · Oil annually (optional)
$112/sqft
$33,668
What drives cost in Massachusetts
Labor (130% of national avg). Contractor rates are significantly above average here — expect to pay a premium for experienced deck crews.
Permits (~$450). Most Massachusetts municipalities require a building permit for any deck over 30 inches. Inspections typically happen at the footing and final stages.
Frost-line footings. Massachusetts's frost line forces footings 36–48 inches deep, adding roughly $50–80 per pier and extra concrete volume. Budget 8–12% more than warm-climate equivalents.
Materials. Pressure-treated pine is the cheapest per sqft; composite (Trex, TimberTech) is 2–3× more but almost maintenance-free. Most Massachusetts homeowners picking a mid-tier build land on composite.
Massachusetts deck cost — FAQ
How much does a deck cost in Massachusetts?+
In Massachusetts, a standard 300 sqft deck runs about $21,990 for pressure-treated pine to $33,668 for ipe hardwood. Most homeowners picking mid-tier composite (Trex, TimberTech) land near $28,468 — roughly $95 per square foot installed.
Do I need a permit for a deck in Massachusetts?+
Most Massachusetts municipalities require a building permit for any deck over 30 inches off the ground or attached to a house. Permit fees typically run around $450. Inspections usually happen at the footing stage and at final.
What's the cheapest deck material in Massachusetts?+
Pressure-treated pine at about $73 per square foot installed. Cedar is the next step up at $81/sqft. For long-term cost-of-ownership (accounting for stain and maintenance), composite at $95/sqft often wins past year 12.
How much is labor for a deck in Massachusetts?+
Massachusetts labor runs 130% of the US average — 30% above the national baseline. Labor accounts for 40–55% of total deck cost. On a 300 sqft composite build, that's roughly $13,665 of the total.
Do I need frost-line footings in Massachusetts?+
Frost-line footings push 36–48 inches deep in this state, adding roughly 8–12% to total cost vs warm-climate equivalents. Most Massachusetts jurisdictions require footings below the local frost line, verified at inspection.
Does a deck add home value in Massachusetts?+
Yes. Nationally, a new deck returns 50–70% of its cost at resale. In Massachusetts's climate, an outdoor living space is especially valued despite the shorter usable season. Real estate appraisers typically credit deck value at 50–65% of installed cost; buyers tend to value it even higher when a property is actively listed.
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