Houston Archaeological and Historical Commission designates Protected Landmarks and Sites under Chapter 33. Protected Landmark status triggers permanent demolition review; standard Landmark gives 90-day delay only.
Houston has two tiers of individual recognition under Chapter 33: Landmark and Protected Landmark. Standard Landmark designation triggers a 90-day demolition delay but cannot ultimately prevent demolition. Protected Landmark status, requiring owner consent and HAHC supermajority, permanently restricts demolition and major exterior changes. Designations typically require 50 years of age, architectural integrity, and documented historical or cultural significance. The Houston Archaeological and Historical Commission also reviews archaeological sites and pre-1940 structures within historic districts. Notable Protected Landmarks include the Julia Ideson Building, Antioch Missionary Baptist Church, and the Heights Boulevard Esplanade. Tax incentives available for restoration.
Exterior changes or demolitions without HAHC approval face stop-work orders, civil penalties, and required restoration. Protected Landmark violations can result in five-year rebuilding moratorium on the parcel.
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See how Houston's historic-cultural monuments rules stack up against other locations.
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