Costas Construction | Roofing Services in Yonkers, NY 10701

One of the most frequent issues we address in Yonkers is chimney flashing leaks. The freeze-thaw cycles and seasonal weather here can compromise the seals. We inspect the flashing thoroughly, repair or replace damaged sections, and ensure a watertight seal with high-quality materials suited to our local climate to prevent future water intrusion.

Yes, absolutely. We provide complete re-roofing and new installations for both traditional asphalt shingles and premium slate roofs. For a replacement, we first conduct a full assessment, help you choose the right material for your home's style and budget, and manage the entire project from old roof removal to final inspection, ensuring a seamless and secure installation.

Yes, we service commercial EPDM flat roofing systems throughout Westchester County. For repairs, we identify the source of leaks or damage—often around seams, penetrations, or from ponding water—and use industry-standard techniques and materials to restore the roof's integrity. We also provide maintenance advice to help extend the life of your commercial roof.