Historic Preservation in St. Louis County, MO (2026)

1 county-level rule, plus city-specific rules for 1 city in St. Louis County, Missouri.

Verified from official government sources

Note: These county rules apply to unincorporated areas of St. Louis County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Historic-Cultural Monuments

St. Louis County can designate a building, site, structure, monument, or neighborhood as a Landmark and Preservation Area (LPA) under Section 1003.191 when it holds historic, architectural, cultural, or archeological significance. Once the County Council approves an LPA by ordinance, Section 1007.050 makes it unlawful to demolish or move any building or structure there without a permit reviewed by the Historic Building Commission.

St. Louis County Landmark & Preservation Area Rule

Significant Restrictions

St. Louis County Code §§ 1003.191, 1007.050

1. Purpose and intent. The purpose of this section is to promote the general welfare, heritage, education and economic benefit of St. Louis County, through the preservation, protection and regulation of buildings, sites, structures, monuments, and neighborhoods of historic, architectural, cultural or archeological significance. It is further the intent of this procedure to encourage the adaptat...

Full ordinance details →Official source ↗

Historic Preservation by City in St. Louis County

1 cities in St. Louis County have their own historic preservation rules. Each link goes to that city's dedicated page with code citations.

FlorissantPop. 52,533

1 verified rule • Historic-Cultural Monuments

All St. Louis County ordinances

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