The two important aspects that have an effect on the cost of window repair in Central Islip tend to be the number of windows and the kind of window being fixed. The more windows you have at your residence, the more time and material they will need to be repaired. Replacing glass is a relatively straightforward job. At approximately $3 per square foot for standard, single panel glass, replacing the glass will cost you about $16 to $22. A handyman can cost you around $76 to $918 for the regular job for matching sized windows. Double-paned or protected windows cost a lot more to repair, as does any type of glass. The expected cost of repairing a window is about $250. In case the frame is damaged, the price can run up to $800 or higher. Most common window repairs can drop around $120 and $450, with the standard being $250.