{"data":{"id":"us-nh/rsa-674-19","jurisdiction":"us-nh","citation":"RSA 674:19","heading":"Applicability of Zoning Ordinance.","body":"A zoning ordinance adopted under RSA 674:16 shall not apply to existing structures or to the existing use of any building. It shall apply to any alteration of a building for use for a purpose or in a manner which is substantially different from the use to which it was put before alteration.","path":["Title LXIV: PLANNING AND ZONING","Chapter 674: LOCAL LAND USE PLANNING AND REGULATORY POWERS","Zoning"],"source_url":"https://gc.nh.gov/rsa/html/LXIV/674/674-19.htm","current_through":"2025 regular legislative session, or December 2025","vintage":"","retrieved_at":"2026-09-05T17:39:18Z","sha256":"3c91199afb5044e190fcd4c8ab7f216f3e389b0825b7cf67306d48a1ebc8b1c1","source_id":"us-nh","stale":false,"prev":"us-nh/rsa-674-18-a","next":"us-nh/rsa-674-20"},"notice":"GroundRules: Original legal text. Not legal advice."}