Window replacement costs in Jacksonville

Jacksonville has three local historic districts, and inside them the city's review reaches your windows. A Certificate of Appropriateness is required for any exterior work there, even repairing windows, and every window replacement comes with a window survey form.

The city's 2026 review matrix says who decides. Staff can approve replacing a historic window that's beyond repair with wood, a wood blend, aluminum-clad or a like-for-like window in the same design and arrangement. Replacing historic windows that can still be repaired, or putting in vinyl, goes to the Historic Preservation Commission.

The city's window supplement adds details that surprise people. Staff can't approve a window that needs permanent nailing fins, because it ends up flush with the outside wall. On a historic house the window should sit back 2 to 4 inches. Resizing isn't part of a standard approval, so expect to order a custom size, and the supplement calls sash kits the most historically accurate replacement.

The commission holds that line. In 2014 an owner on St. Johns Avenue asked to replace 52 original windows. The commission approved 4 and denied 48. In 2015 the City Council upheld it, finding the owner hadn't shown that most of the windows were beyond repair, and ruled that windows on an enclosed sleeping porch were historic in their own right.