Small bathrooms. Tight elevators. Noise rules. NYC adds layers you do not see in national guides. This post compares porcelain, marble, and terrazzo for 2025 apartment baths. We cover board approvals, waterproofing stacks, freight logistics, and cost ranges. We reference real conditions in Harlem, UWS, Astoria, and Brooklyn Heights. Use this as a baseline. Then get a custom plan for your building
