Sublime Construction Corp.

File with the Lynn Building Department for any attached or elevated deck. Submit site plan, framing drawings with ledger and flashing detail, and footing specs showing 48-inch minimum depth. Properties near Lynn Beach, tidal flats, Flax Pond, or Sluice Pond require a Notice of Intent to the Lynn Conservation Commission under the Wetlands Protection Act. Expect one to two weeks for standard plan review.

Lynn falls in the North Shore market, with labor rates below the Boston metro core but above central Massachusetts. A pressure-treated pine deck runs roughly $14,000 to $23,000 installed; composite decking adds $6,000 to $12,000. Coastal and near-coastal properties often add $2,000 to $5,000 in Conservation Commission permitting and site-protection costs. The city's 82-year median housing age means structural repair costs are more likely to be an add-on: ledger replacements on older Lynn two-families commonly run $4,000 to $8,000 before new decking goes down.

Massachusetts requires a written contract and a Home Improvement Contractor registration for most residential decks & porches work; ask for the registration number and check it before paying a deposit.

More on permits, costs, rebates and common questions, plus every other decks & porches contractor serving the town, on the Decks & Porches in Lynn page.