Historic Preservation in O'Fallon, MO (2026)
1 verified historic preservation rules for O'Fallon, Missouri, sourced directly from the municipal code and official government pages.
Verified from official government sources
Historic-Cultural Monuments
O'Fallon's Historic Preservation Commission can nominate and the City Council can designate any property, structure, site, or area a "landmark" for special cultural, historic, archaeological, or architectural value. Once designated, demolishing it or removing a significant exterior feature requires a certificate of appropriateness first.
O'Fallon Landmark Designation for Cultural Value
Significant RestrictionsO'Fallon Code § 120.440; § 120.460
The O'Fallon Historic Preservation Commission shall have the following powers and duties: ... To investigate and recommend to the City Council the adoption of ordinances designating properties or structures having special cultural, historic, archaeological, community or architectural value as landmarks. ... No person shall demolish a designated landmark, or portion thereof, or shall permanently...
Looking for St. Charles County county-wide rules?
County ordinances apply to unincorporated areas and may supplement O'Fallon city rules.
Historic Preservation in St. Charles County →