How much does vinyl liner replacement cost on Long Island?

A vinyl liner replacement on a standard Long Island residential in-ground pool (roughly 16×32 to 20×40) typically runs $4,500–$8,500 installed, depending on liner thickness (20-mil standard vs 27-mil heavy-duty), pattern choice, and whether wall foam, faceplates, gaskets, or coping are being replaced at the same time.

Add-ons that increase cost: wall panel replacement ($500+ each), new main drain or skimmer install, water delivery (Long Island municipal water or trucked-in, ~$200–$400), and disposal of the old liner.

Liners last 8–15 years. If yours is over 10, starting to wrinkle, or showing fading at the waterline, budget for replacement within the next 2 seasons.