HPOZ rules, historic-cultural monument designations, Mills Act tax abatement, and demolition controls.
Historic Preservation rules vary widely between U.S. cities and counties. What is permitted in one jurisdiction may carry fines or require permits in another. These differences matter whether you are a homeowner, renter, landlord, or business owner.
We research each city's municipal code, official department guidelines, and council records to summarize the rules that affect daily life. Every entry links to the original source so you can verify the details yourself. Browse the topics below to explore specific historic preservation regulations by city.
How Historic Preservation Overlay Zones regulate exterior alterations, additions, and demolition in designated historic neighborhoods, plus the certificate-of-appropriateness process.
How buildings, sites, and trees are nominated and designated as Historic-Cultural Monuments, the protections that follow, and the demolition-stay process.
California Mills Act property-tax reductions for owners of historic properties who agree to maintenance and rehabilitation standards under a 10-year contract.
How designated and nominated historic-cultural monuments are protected from demolition, including the Cultural Heritage Commission review and Council appeal process.