logo   1575 Route 112 Suite 10
Port Jefferson Station, NY 11776
(631) 473-3335

About Diamond Construction - Free Estimates Call (631) 473-3335


Diamond Construction is a family owned business that has been licensed and insured on Long Island for 30 years.  Diamond Construction was created in 1985 by Tony Bertolotti. In the 30 years of operation, Tony has built an honest and honorable company by treating all of his customers like family.  Here at Diamond Construction, we pride ourselves on providing stellar customer service. As being a Diamond Construction customer, you get one-on-one attention from the beginning to the end with the owner. NO Salesman!! It is our priority to keep our customers informed with up-to-date information during all stages of your home renovation.  As part of our commitment to customer service, we assist our customers through all decisions of a home renovation to make the right selections that fit within your style and budget.



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