Window Replacement Permits in Kings County, New York

Window Replacement · Kings County, New York

In Kings County, a Window Replacement is often exempt from a building permit below the local limit; at or above it, a permit is required.

New York City has two separate window regimes and owners routinely miss the second one. On permits, 1 RCNY 101-14 Table 2 exempts replacement of an existing window from a DOB permit only where all four conditions hold: the window is not on the lot line, the replacement does not require modifying the existing masonry opening, it does not affect access to light or ventilation, and there is no change in the operable area of the window. Replacing a required fire-rated window always needs a permit, and any change to the size or location of the opening turns the job into a filed alteration. Separately, Local Law 57 requires owners of buildings with three or more apartments to install approved window guards on all windows, including first-floor bathrooms and windows onto a balcony or terrace, in any apartment where a child aged 10 or younger lives and in each common area window, with exceptions for windows onto a fire escape. Tenants may request guards for any reason and the owner must instal Building permits in Kings County are handled under the NYC Department of Buildings (NYC Construction Codes) building code (IRC NYC Construction Cod). Local zoning, property-line setbacks, and any electrical or plumbing work can still require separate approval, so confirm the details with New York City Department of Buildings.

Source: NYC Department of Buildings (NYC Construction Codes), IRC NYC Construction Cod · County-specific · Verified 2026 by StateDataIndex

Office: New York City Department of Buildings

Address: 280 Broadway, New York, NY 10007, USA

Phone: (212) 566-5000