How much does a deck cost in Boston, MA?
Wood or composite deck with railings and stairs. Priced against Boston, MA material costs, a typical DIY deck in Boston runs about $4,046 in materials — 24% above the national average. These are estimates only, not a quote — enter your real dimensions in the free calculator for a shopping list matched to your build.
Estimates only — not a quote.
Boston cost breakdown
| Estimate | Low | Typical | High |
|---|---|---|---|
| Boston (DIY materials) | $3,439 | $4,046 | $5,462 |
| National average | $2,774 | $3,263 | $4,405 |
Priced from the Boston, MA material index — 24% above the national average. Based on a common-size deck; enter your own dimensions for an exact number.
DIY materials estimate: $4,046. A contractor in the Boston market (materials plus about 70 labor hours at ~$84/hr) estimates to $9,613–$12,891. Estimated DIY savings: $6,878 (63%).
A deck walking surface more than 30 in above grade typically requires a building permit, and footings are usually specified to a 48 in frost depth.
Outside city limits, Suffolk County is typically the permitting authority.
Get your exact Boston price
The planner opens pre-filled with the same typical deck behind the numbers above — change any answer to match your build and the price updates instantly.
Frequently asked questions
How much does a deck cost in Boston, MA?
Materials typically run $3,439–$5,462 for a common-size project using Boston-area pricing. That is an estimate, not a quote — our free calculator prices your exact dimensions.
Is it cheaper to DIY or hire a contractor in Boston?
DIY materials estimate to about $4,046. A local contractor estimates to $9,613–$12,891 at the Boston-area labor rate of roughly $84/hr, so DIY could save an estimated $6,878 (63%).
Do I need a permit for a deck in Boston?
A deck walking surface more than 30 in above grade typically requires a building permit, and footings are usually specified to a 48 in frost depth. Suffolk County and the City of Boston rules can be stricter than the state baseline — run the free permit lookup for your ZIP before buying materials.
Why is Boston deck pricing different from the national average?
We apply a regional material cost index for the Boston market — currently 24% higher than the national average. Labor is indexed separately at about $84/hr for the contractor comparison.
Other projects in Boston
Deck cost in nearby cities
Looking at the whole state? Deck cost in Massachusetts.