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Warren, MI Property Maintenance: Vacant Lot Maintenance (2026)

Significant Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Governing section
City Code Sec. 28-83
Vacancy trigger
Unoccupied 30+ days (Sec. 28-82(9))
Required upkeep
Remove weeds/debris, mow, light, secure
Violation type
Strict liability civil infraction
Enforcing official
Director of property maintenance and building inspection

Summary

Warren requires owners of vacant commercial and industrial property to remove weeds and debris, mow the grass, keep lighting on at night and secure the property under Sec. 28-83, once a property sits unoccupied 30 days or more.

(a)The responsible party or parties shall do all of the following to the subject property:(1)Continue electrical service;(2)Turn on exterior lights during nighttime hours;(3)Within a reasonable period of time, remove or paint over graffiti, tagging, or markings...(5)Within a reasonable period of time, remove all weeds; dead vegetation; vegetation trimmings; trash; debris; building materials; and accumulation of newspapers, flyers, and notices...(6)Maintain existing landscaping, including, but not limited to, mowing the grass; watering the plants, shrubs, hedges; and trimming and pruning the hedges or bushes; and(7)Secure the subject property.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 102).

Full Breakdown

Article IV of Chapter 28, adopted by Ord. No. 80-741/80-743 in 2016, applies to "subject property," defined at Sec. 28-82(9) as vacant for 30 days or more, meaning real property with vacant buildings or structures used or previously used for commercial or industrial purposes, including property being offered for sale, trade or exchange as commercial or industrial. Sec. 28-83 requires the responsible party (owner, mortgagee, mortgagor or buyer, but not a government agency) to continue electrical service, turn on exterior lights during nighttime hours, remove or paint over graffiti within a reasonable period, maintain the exterior per IPMC Sections 302 and 304, remove weeds, dead vegetation, trash, debris, building materials and accumulated newspapers within a reasonable period, maintain existing landscaping including mowing grass and trimming hedges, and secure the property.

"Secure" is defined at Sec. 28-82(7) to require repairing fences and walls, chaining and padlocking gates, and boarding or locking all doors, windows and other openings. Sec. 28-84 lets the code official (the director of property maintenance and building inspection) demand additional measures like added security lighting or an on-site guard, delivered through a notice to abate under Sec. 28-86. Sec. 28-85 makes a violation of Secs. 28-83 or 28-84 a strict liability offense, and Sec. 28-86 authorizes a notice to abate plus a civil infraction under Sec. 1-8(b). Re-occupancy under Sec. 28-87 requires all outstanding costs, assessments and liens paid in full and a certificate of compliance.

Violations & Fines

Failing to maintain or secure a vacant commercial or industrial lot under Sec. 28-83 is a strict liability offense (Sec. 28-85). The code official can issue a notice to abate and a civil infraction under Sec. 1-8(b) (Sec. 28-86), and unpaid costs, assessments and liens must be cleared, plus a certificate of compliance obtained, before the property can be re-occupied under Sec. 28-87.

Frequently Asked Questions

When does a vacant commercial lot in Warren fall under the maintenance rules?
Once it has been unoccupied for 30 days or more, it becomes "subject property" under Sec. 28-82(9), triggering the maintenance and security duties in Sec. 28-83.
What upkeep does Warren require on a vacant commercial lot?
Sec. 28-83 requires removing weeds, dead vegetation, trash and debris; mowing and maintaining landscaping; keeping electrical service on; lighting the exterior at night; painting over graffiti; and securing all doors, windows and openings.
Do I need to prove intent to be cited for a vacant lot violation?
No. Sec. 28-85 makes a violation of the maintenance or security requirements a strict liability offense, so the city does not need to show the responsible party intended to violate the rule.

Sources & Official References

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