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Verified record
Bottom Up Builders is a carpentry and remodeling company based in Randolph, working across the South Shore, run by Jason Puopolo and background-checked on Thumbtack. Reviewers name Jason directly across deck, stair, and door projects from 2022 into 2026. Customers who hired the business describe two composite and wood deck renovations completed through rain and past sunset with patient, hands-on communication, plus a stair and baluster installation a homeowner called above and beyond. Reviewers consistently describe Jason as responsive, thorough, and reliable, walking customers through options before starting work. Thumbtack shows a perfect 5.0-star rating from 9 ratings, with all 5 written reviews spanning 2022 to 2026 rating the work five stars, two of them landing in the past six months. Bottom Up Builders is a good fit for a homeowner in the Randolph area looking for hands-on carpentry work such as decks, stairs, doors, and similar built-in projects.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from BOTTOM UP BUILDERS. 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
Bottom up builders did such an amazing job installing stairs/balusters for us! They came as soon as possible to do the job and went above and beyond for making sure everything was perfect! Highly highly recommend!
Great work thank you
Jason was very responsive from the beginning with excellent communication, outlining the job and ensuring he understood our expectations for the project. We will certainly hire Jason for additional projects around our home in the future.
Would hire Jason again in a heartbeat after the work he did renovating our deck with composite. He walked me through different options and took all of my asks into consideration and skillfully executed. He worked through rain, past sunset, and was generously patient with material issues on my end. Easy to work with, reliable and skilled. Look no further.…Read more
Jason just completed renovating our deck, along with extending it – it came out beautiful. It was a pleasure to work with Jason – he is very thorough, professional, reliable, patient in answering all my many questions and like the other reviewers I would not hesitate to hire him again. Great Job!
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1 change recorded — last scanned Sep 17, 2026.
Came back to fix deck stairs years later5.0
Decks and porches5.0
Custom sheds5.0