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603 Decks LLC describes itself as specializing in residential construction, custom carpentry and home improvement projects, and its website lists a service area of Hampton, Exeter, Stratham, Portsmouth, Dover, Newmarket and Kingston. A recent Google customer says David created a built-in wardrobe around an existing dresser in a small house, and that a mudroom drawn on a hand sketch got done as well. The same customer calls him pragmatic, efficient and a good communicator, and says neighbors are now working with David too. A 2026 Google customer wrote that David's work runs from building decks, including permits, material recommendations and installation, to installing doors, windows and interior and exterior trim. That 2026 customer also said David offered insight on the most efficient way to complete a project from a cost and time perspective.
Typical your area range for this kind of work, from regional averages — not a quote from 603 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
Ok. David is pragmatic, efficient, professional and has a vision for your project if you’re interested. Oh. And he’s quiet. He gets in the Zone and gets the project completed. He’s also a good communicator. Created this wonderful built-in wardrobe, around an existing dresser, in my small house. Boom! Done. one day I handed him a hand sketch of a mudroom. Again, done. I recommend 603-Decks and now my neighbors are working with David to create beautiful spaces too.
Whether you are looking to accomplish a home improvement project or have investment properties that need repairs or capitol improvements done - working with David at 603 Decks is a hassle free way to get those tasks completed. David has carpentry skills and building system knowledge that allow him to offer insight and opinion on what is the most efficient way to complete a project from a cost and time perspective. From building decks (permits, material recommendation, installation) to installing doors/windows, interior/exterior trim and other various carpentry related work- David has the ability to tackle all size projects and is easy to work with.
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1 change recorded — last scanned Oct 21, 2026.
Whole-exterior packages5.0