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Cornerstone Construction Services
As developers, we strive to create subdivisions that appeal to new home buyers on many levels. We understand the importance of fitting into the natural setting, so our road and lot designs are built around the best use of the surrounding environment. We understand the desire for a real community, so our subdivisions are built to provide the community and security of an old-fashioned neighborhood.

As residential contractors, our goal is to provide appealing, quality homes within these carefully designed neighborhoods. With our expertise in new home construction, we are able to design homes that optimize space and provide maximum flexibility for today's discriminating homebuyers.
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At Cornerstone, our approach has been to listen and respond to the needs of our homebuyers. That's why many of our home designs offer features such as large bonus rooms with 1st floor access, 9' ceilings on the first floor, open floor plans, granite kitchen counters, fireplaces, and more. We also feel that you should be able to add other features that make your home uniquely yours.
Thank you for your interest in Cornerstone Construction Services. Cornerstone is a family owned and operated company located in Killingworth, CT.

In the past twenty five years we have completed over 200 new homes in some of Connecticut's finest communities: Lindera Lane, Davis Farm Road and Walkley Mill in Clinton, Blueberry Hill Reserve, Parker Hill Preserve, Whispering Oaks and Jacob Lane in Killingworth, Abby Lane and Waterside Drive in Essex, Southwick, Wildcat Springs and Dairy Hill Road in Madison and Stonegate Village and Haddam Ridge in Haddam.
Everyone tells horror stories about building homes. For us, it was a wonderful adventure in our life. If we weren't so enamored with our house, we would say to Cornerstone, "Let's do another one!" We feel so blessed that we found this home. Each day we marvel at how well the house has served us since moving in 6 years ago.
Reviews (4)
Meghan Pistritto
Meghan Pistritto
Aug 06, 2020
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Terrible experience working with Cornerstone. Make sure to ask for and have an attorney review what's included (or I should say not included) in the one year warranty before making an offer. If I could select 0 stars I would.
I also find it strange that of the three reviews on Google, one of them is a Jake Smith which also happens to be their son's name. Strange coincidence.
Jake Smith
Jake Smith
Feb 04, 2020
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These guys build a high quality home and deliver reliably according to contract. It’s been a pleasure working with them!
Brett Kassir
Brett Kassir
Jan 02, 2020
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Solid company, on budget and on time. We will use them again for our next project.
Megan Seigel
Megan Seigel
Aug 26, 2018
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Extremely poor quality construction. The builders have an answer for everything without resolving the actual problem. Cheapest materials and construction!, Major issues that the buyer ends up paying for after spending a lot of money on a new “high end” home.
We don’t know how they passed code with how they construct!!!