Deck Installation Cost in Cambridge, MA
Based on 452 deck installation building permits filed in Cambridge between 2018 and 2026, the typical declared project value is $19,928, with most landing between $11,951 and $31,050. These are real records from Cambridge's public building-permit data, declared job values, not contractor estimates or AI guesses.
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Deck Installation values over time in Cambridge
Median declared value moved from $19,618 in 2021 to $22,215 in 2026, up 13% over that span. Each year below is computed from the filings that actually cleared in Cambridge.
Recent deck installation permits in Cambridge
Actual filings from Cambridge's public permit records. Declared job values, not final paid prices.
| Filed | Declared value | Work described |
|---|---|---|
| 2026-06-08 | $10,000 | Rebuild Exissting Deck |
| 2026-06-04 | $13,000 | First floor decking repair.rebuild deck framing on first floor.install new trex composite |
| 2026-05-27 | $5,000 | Rebuilding an existing deck, frame to finish no square footage will be changed |
| 2026-05-26 | $29,216 | Join two (2) adjacent condos (Units 4 and 6) with a doorway. Remove kitchen from Unit 6 an |
| 2026-05-22 | $18,500 | Build a new deck 6x16 and stairs and rails. |
| 2026-05-20 | $6,003 | front deck repair, The original structure will be maintained, and the boards and railings |
| 2026-04-29 | $31,500 | Repair/rebuild deck in the same size and location as existing deck. |
| 2026-04-28 | $20,355 | Resurfacing existing deck with Composite |
| 2026-04-28 | $15,600 | raise existing rear deck 18 inch to match kitchen floor and get rid of existing step |
| 2026-04-23 | $9,800 | Deck rail and flooring replacement |
| 2026-04-16 | $24,075 | Construct a deck for the first-floor unit in the back of the house. The dimensions will be |
| 2026-04-06 | $37,678 | We are replacing existing deck with a new deck with canopy, and replacing the sliding pati |
| 2026-04-03 | $30,000 | Enclosure of the top level balcony space to create an interior office area, construction o |
| 2026-03-27 | $50,200 | demo existing rear deck and rebuild new one meeting codes |
| 2026-03-13 | $41,800 | Enclosure of rear deck area to create a room |
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Add your price →How to read these numbers
A permit's declared value is the job cost the owner or contractor stated when they pulled the permit. It tracks the real cost of the work but can run a bit under what was actually paid, since it often leaves out some labor and finish costs. Treat the range as a grounded starting point. What deck installation actually costs in Cambridge comes down to home size, materials, and scope.
Where this comes from
Every figure is pulled from Cambridge's public building-permit records and classified by the work described. Nothing is estimated or AI-generated. How the data works. The moment a Cambridge homeowner adds a real receipt, this page upgrades to show what neighbors actually paid next to these permit values.
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