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Cornerstone Construction Management describes itself as a family-owned New Hampshire company that specializes in luxury home construction and extensive remodels in the Lakes Region. It says it has been in business 20 years. Brian Eaton is named as owner in a nhhomemagazine.com article. A 2025 customer said Brian and his crew were happy to do extra work to make things look polished in the end. That customer said Brian regularly checked in with them on materials and timing. It holds 5 stars from 5 Google ratings.
“For the build, the out-of-state architects and clients tapped into the decades of experience and local know-how offered by New Hampshire-based Cornerstone Construction Management and owner Brian Eaton. “Brian and his crew were a valuable resource, with great attention to detail,” says McDaniel.”
We had such a positive experience with Brian and his crew! Details matter to me and I was so pleased to find that CCM feels the same way. Instead of feeling like the crew resented me for my requests, it seemed like they had already thought the same and were happy to do extra work to make things look polished and perfect in the end. Also, Brian and his crew also excelled in communication. Although I’ve met other folks in the construction industry who were both kind and professional (like Brian and his crew), where CCM really shines is communication. Brian was regularly checking in with me on various issues like materials and timing. Overall, I couldn’t be more happy with our experience and I look forward to working together on future phases of our project.
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Certified attributes are verified against the public registry. Others are the business's own statement.
2 changes recorded — last scanned Oct 31, 2026.
Typical New Hampshire range for this kind of work, from regional averages — not a quote from Cornerstone Construction Management. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$20,200 – $30,800
Typical remodeling project around $25,500
In-law cottage addition management4.9
