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Astonishing Decks builds decks, and it holds 4.9 stars on Google from 57 ratings. A 2022 customer said their aged deck sat next to an aboveground pool, and that Rob went through a few designs, went to the building department to confirm inspector approval before the contract, and beat their pool-season date by over a week. That 2022 customer said the footings, framing, decking, railings and lighting were all installed, with a small flashing add as the only cost outside the contract. A 2022 customer described a 300 square foot Trex deck finished on time and on budget, with the crew led by Mike. A 2022 customer said their deck required a complete tear down and rebuild, and that Rob navigated the town's strict requirements. A 2022 customer said Rob used his background as a structural engineer during the design phase and sent frequent status update emails. A 2022 customer said Rob pulled the permit and lined up the town inspections. A 2023 customer said Rob went over every detail of a new Trex deck before they signed. A 2023 customer wrote that the company handled the permitting and inspections and finished on time and on budget.
I can't believe the quality that they provide! . I would recommend them to all my friends and family.
It was so nice to work with a professional who communicates well, sets expectations clearly and executes on time. The quality of the workmanship was excellent. The attention to detail was amazing. The final product was a solid beautiful deck! I am so glad we picked Astonishing Decks!!!
Rob and his team were very professional from deck design to deck completion. Would highly recommend.
Rob and his team at Astonishing decks did an amazing job on our new trex deck. Rob came out and sat with us and went over every single detail of the job before we even signed with them, you can really tell he’s been doing this a long time and knows his stuff. Thank you Rob, Mike & team!
Amazing company to work with. Competitive pricing, unbelievable quality of work. Final product is beyond expectations. Finished the project on time and on budget. Handled all logistics with permitting and inspections. You could not find a better company to build your deck. Trex Platinum rating is well earned.
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2 changes recorded — last scanned Sep 22, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Astonishing Decks, LLC. Use it to sanity-check bids, then get the real number in writing.
A typical single-level deck is 12×16 — about 200 sq ft.
Estimated range
$7,750 – $14,500
Typical carpentry project around $11,100
Roof replacement with plywood repairs and cleanup4.6
On-time, on-budget delivery4.2
Projected 4-6 week timeline met3.7
Finish carpentryNot yet rated
14 years in businessNot yet rated
Custom fireplace mantels and surrounds4.9