Deck Building Cost in Boston (2026)
Average cost in Boston
US$5,400 — US$55,000
US$40 — US$80 per sq ft
Cost Breakdown
ItemizedDecking boards, framing lumber, and fasteners
45%
Professional installation and framing
38%
Demolition of old deck and grading
10%
Boston ISD permit and inspections
2%
Unexpected structural repairs or code upgrades
5%
Sales Tax at 6.25%
📋What's Included
ScopeTypically Includes
- Pressure-treated lumber
- Concrete footings
- Railing system
- Stairs (1 set)
- Hardware & fasteners
- Labor
Typically Excludes
- Composite or hardwood decking
- Built-in seating or planters
- Pergola or roof
- Lighting
- Permits
Based on a standard 200 sq ft pressure-treated wood deck.
🧮Estimate Your Cost
InteractiveEstimated Cost
US$6,912 — US$10,368
Based on 14 sources and market data for Boston. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
US$15,978
Today
US$16,537
Deck Building in Boston is ↑ 3.5% compared to roughly a year ago — about US$559 more on the average project.
Comparison derived from the year-over-year change rate, not a month-by-month price index. We don't store historical snapshots yet — when we do, this will become a real time series.
🏢Top Deck Build Contractors in Boston
Verified providersBoston Construction Inc.
1 Washington mall #1308, Boston, MA 02108, USA
34 reviews
Provider data sourced from public business directories. Ratings and reviews are public and may change. LookupCost is not affiliated with listed providers.
💬What People Actually Paid
Community❓Common Questions
In 2026, Boston's permit fee formula is a $20 base application fee plus $10 for every $1,000 of estimated construction value. For a $15,000 deck, the permit would cost approximately $170.
The Massachusetts State Building Code requires all deck footings to extend at least 48 inches below grade to reach the frost line, preventing structural shifting during New England winters.
Decks offer one of the highest returns on investment in the region, with wood decks recouping roughly 95% of their cost at resale and composite decks recouping approximately 89%.
Composite decking (like Trex or AZEK) typically costs $45–$75 per sq ft installed, which is roughly 40-60% more than pressure-treated wood ($25–$45 per sq ft), but it eliminates annual staining costs of $500–$1,000.
📊Our Methodology
How we collect dataAggregated from 5+ verified web sources and cost databases
Licensed contractor estimates and regional cost guides
Government construction and labor statistics
Community-reported project costs and reviews
Last data collection: 3 weeks ago. Updates run weekly. All costs in USD.
About this data
Cost figures are estimates synthesized from public market data using AI research and refreshed regularly. Real project costs vary by scope, materials, contractor, and site conditions. Always get verified quotes from licensed contractors for your specific project.
Spotted bad data? Let us know — we'll review and update.