Pre-war co-op, Upper West Side

A pre-war co-op on the Upper West Side, dated 2017. The Record covers eight rooms and 67 items and lists $187,380 in improvements.

Among them: a custom millwork library with built-ins ($94,200), hardwood floor restoration across the full apartment ($37,400), and the kitchen appliance package ($22,800). Millwork, floors, and appliances belong to different trades and are usually bought separately. Here they sit in one record, each with its amount.

In a co-op, the building sets limits on what can change and when. Recording the work against the rooms it touched, and the building around them, means the next project starts from facts.