Property Maintenance in O'Fallon, MO (2026)
3 verified property maintenance rules for O'Fallon, Missouri, sourced directly from the municipal code and official government pages.
Verified from official government sources
Property Blight
O'Fallon Code Section 502.020 declares any building or structure detrimental to public health, safety, or welfare a public nuisance under Missouri's dangerous-building statutes, Sections 67.400-67.450 RSMo. Chapter 502 then lets the Building Inspector and Building Official order a blighted or unsafe structure repaired, vacated, or demolished, and bill the owner for the cost.
O'Fallon Dangerous Building Nuisance Abatement
Significant RestrictionsO'Fallon Code § 502.020
Pursuant to Sections 67.400 through 67.450, RSMo., the buildings or structures which are determined to be detrimental to the health, safety or welfare of the residents of the City of O'Fallon are hereby declared to be a public nuisance.
Vacant Lot Maintenance
O'Fallon's weed ordinance reaches unimproved land too: any vacant lot with no building on it must be kept under eight inches of weeds, brush or grass, the same limit that applies to built lots, and the City can cut it and bill the owner if the growth isn't removed.
O'Fallon Weed Rule Also Covers Vacant Lots
Some RestrictionsO'Fallon Code § 220-100(I), (K)
...and eight (8) inches in height elsewhere on property on which no building or structure is located; provided however, that these height limitations shall not apply... The requirements of this Section shall not apply to any real property within the City limits which meets all of the following requirements: 1. Is not improved with any building or structure; 2. Is more than two (2) acres in size...
Snow & Sidewalk Clearing
O'Fallon Code § 215-205 requires every commercial property owner in the city to keep the sidewalk along or abutting the business clear of snow, ice, debris and other obstructions and to keep it safe for pedestrians. The rule does not set a fixed number of hours to clear a walk and does not reach single-family or other residential lots. Because the section carries no fine of its own, violators are punished under the Code's general penalty provision.
O'Fallon Commercial Sidewalk Snow-Clearing Duty
Some RestrictionsO'Fallon Code § 215-205
All commercial property owners within the City limits shall keep sidewalks along or abutting their property clear of snow, ice, debris or other obstructions, and shall cause them to be safe for pedestrian use.
Looking for St. Charles County county-wide rules?
County ordinances apply to unincorporated areas and may supplement O'Fallon city rules.
Property Maintenance in St. Charles County →