Discover Your Dream Home with Cornerstone Construction


We are the Florida Keys' leader for quality construction & personalized service since 1988

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The Legacy

Cornerstone has built homes for a Hollywood producers, children’s book authors, and endless conch families looking to cherish dinners under palm trees and glowing warm sunsets. Discover what makes our homes sensational.


Our Work

Cornerstone is known Keys-wide for our superior quality and impeccable attention to detail. We are rooted in the foundation of 30+ years experience creating residential and commercial projects. We collaborate with ambitious people and companies that aren’t afraid to think big.



Don’t sweat the details yet. Your dream home is just one click away. Visit our contact page, kick your feet up, and let us take care of the rest.


Call Us Today for a FREE Consultation!