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Verified record
90 Degree Construction describes itself on its Houzz profile as a Nashua contractor whose crew handles work ranging from custom remodels to new decks. In a 2011 review of a bathroom remodel, a customer said 90 degree was on-time and professional and promptly corrected the mistakes he made. That 2011 customer recommended him for general remodeling, but not where complicated plumbing is involved. In a 2011 review, a customer said they hired him for the bathroom, not the kitchen, and called him a great person to see every day.
We hired him for the bathroom not the kitchen. He was a great person to see everyday.
Bathroom - Remodel90 degree was on-time and professional. Corrected promptly the mistakes he comiitted. I would reccomend him for general remodelling but not where complicated plumbing is involved.
Deck or Porch
Typical Greater Boston range for this kind of work, from regional averages — not a quote from 90 DEGREE CONSTRUCTION LLC. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$23,000 – $35,000
Typical remodeling project around $29,000
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3 changes recorded — last scanned Sep 30, 2026.
Decks and porches5.0
Clients returning for 10 and 20 years5.0
Detailed craftsmanship5.0
Renovates century-old structures5.0