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Property Maintenance in Thornton, CO (2026)

2 verified property maintenance rules for Thornton, Colorado, sourced directly from the municipal code and official government pages.

Verified from official government sources

Property Blight

Thornton makes it unlawful to maintain listed blighting conditions on real property, from outdoor building-material storage and dilapidated merchandise to inoperable or abandoned vehicles and overgrown weeds, and Section 38-400 lets the city order rehabilitation after a show-cause hearing, then bill or lien the owner if the order is ignored.

Thornton Blighted Property Rehabilitation Rules

Some Restrictions

Thornton City Code § 38-400

(c)Causes of blight and blighting factors. It is hereby determined that the following uses, activities, structures and items of personal property are causes of blight or blighting factors which, if allowed to exist, will tend to result in blighted and undesirable communities. It shall be unlawful for any person, occupant or owner of real property to maintain or permit to be maintained on any re...

Snow & Sidewalk Clearing

Thornton owners, agents, and tenants must clear snow, sleet, or ice from adjoining sidewalks within 24 hours of the last accumulation. Depositing snow onto a street, sidewalk, fire hydrant, or drainage path is also unlawful, and the city can remove any violation and bill the responsible party.

Thornton's 24-Hour Sidewalk Snow Removal Rule

Some Restrictions

Thornton, CO Code of Ordinances § 70-106(a)-(b)

Sec. 70-106. - Obstruction of streets and sidewalks. (a) It shall be unlawful for any owner or the agent or the tenant of such owner of any lot, block, or parcel of land within the city to allow any snow, sleet, ice, or other obstruction to accumulate or remain upon any sidewalk adjoining such lot, block, or parcel of land within the city for longer than 24 hours from the time of the last accum...

Looking for Adams County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Thornton city rules.

Property Maintenance in Adams County