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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.
Services
Diamond Construction is a family owned business that has been licensed and insured on Long Island for 30 years. We specialize in vinyl siding, roofing, and windows. But our services do not stop there, just ask and we will be happy to help answer any and all questions. There is no job too big or too small for us to handle.
Whether you're ready to transform the current appearance of your home or are looking for minor repairs to an older, damaged or leaking roof, Diamond Construction can help you select the right roofing to fit your needs. A new roof could transform the look of your entire exterior while increasing your home's value.
Are you looking to change the appearance of your home? Enhance the style? Protect your home against harsh weather conditions? Consider exploring Vinyl Siding as an option. This is a great solution to help increase the value of your home and improve curbside appearance with little to no maintenance.
Diamond Constructions is proud to offer homeowners with beautiful, high-quality, energy-efficient vinyl windows. The option to add vinyl windows can transform the look of your home while also reducing your energy bills.

Vinyl windows are made of Polyvinyl Chloride (PVC) and offer a high level of insulation helping to keep the heat in during the winter months while blocking it out during the summer months making this option economical for you and your family.Additionally, these require very little maintenance compared to other window options and stay looking great for years.
We understand that you may have some questions as you go through the website. Of course you can always reach out to us directly but check here first - Your questions may be answered below! Estimates are 100% free for all of our jobs. How long will the job take?

Each job is different and timing can vary depending on the type of work being performed but generally Siding work takes about 5 days to complete, Windows can take up to 2 days and most Roofing work is completed in 1 day.How much would the job cost? There is no set price.
Reviews (1)
Danielle A.
Danielle A.
Aug 27, 2016
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Great Work, Very Professional! Highly recommended! Will continue to use only them.