Storm Door Pro

The Town of Needham Building Division generally does not require a permit for like-for-like replacement of an existing window sash in the same rough opening, as long as no header or framing changes. Any structural change — enlarging an opening, converting a window to a door, adding egress to a finished basement bedroom — requires a building permit and may trigger an egress-size review. Pre-1978 homes (the majority of Needham's older Colonials) fall under federal RRP lead-paint rules; installers must be RRP-certified, which typically adds $50–$150 per opening to the project.

Replacement window pricing in Needham trends to the high end of the Boston-metro range because of the larger window counts and the demand for matched-profile units. Expect roughly $550–$1,100 per opening installed for a quality vinyl double-hung, $1,300–$3,000 per opening for wood or composite (Andersen 400, Marvin Elevate, Pella Reserve) which is what most Colonials get specified, and $1,800–$5,000 for an entry door with sidelights and a quality lockset. Patio sliders typically run $2,500–$5,000 installed.

Massachusetts requires a written contract and a Home Improvement Contractor registration for most residential window & door installation work; ask for the registration number and check it before paying a deposit.

More on permits, costs, rebates and common questions, plus every other window & door installation contractor serving the town, on the Windows & Doors in Needham page.