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Mount Vernon, NY Property Maintenance: Property Blight (2026)

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

Key Facts

Compliance window
30 days from written notice
Nuisance status
Automatic under § 106-3
Demolition trigger
50%+ damage/deterioration
County filing effect
Acts as 1-year notice of pendency
Self-help window before City acts
5 days after order period
Inspection cycle
Semiannual, public/commercial buildings

Summary

Mount Vernon's Commissioner of Buildings can order repair, vacation or demolition of any building that leans, is fire-damaged, is unfit for habitation, or is otherwise unsafe under Chapter 106, and every such building is automatically declared a public nuisance until fixed within 30 days of notice.

All unsafe buildings within the terms of § 106-1 are hereby declared to be public nuisances and shall be repaired, vacated or demolished as hereinbefore and hereafter provided. ... Serve written notice upon the owner and all other persons having an interest in such property or structure, by either personal service or by registered mail... containing a description of the premises, a statement of the particulars in which the building or structure is unsafe or dangerous and an order of the Commissioner of Buildings requiring same to be changed, altered, repaired, vacated or demolished within 30 days.

Full Breakdown

Section 106-1 defines an "unsafe building" broadly to include structures that lean past the middle third of their base, show 33% or more damage to supporting members (or 50% to nonsupporting walls), are overloaded, were damaged by fire or wind, are so dilapidated or unsanitary they are unfit for habitation, lack adequate light, air, sanitation or fire egress, or have parts that could fall and injure the public. Section 106-3 declares every such building a public nuisance to be repaired, vacated or demolished. Section 106-4 requires the Commissioner to inspect public, commercial and multiple-dwelling buildings semiannually, plus any building a complaint identifies as possibly unsafe, and to serve the owner written notice describing the defects and ordering repair, alteration, vacation or demolition within 30 days; that notice is also filed with the Westchester County Clerk, where it operates like a notice of pendency effective for one year, and a placard warning that removal is unlawful must be posted on the building.

Section 106-2 sets the standards the Commissioner follows: repair if reasonably feasible, vacate if occupancy is dangerous, and demolish if the building is 50% or more damaged, cannot be brought into compliance, or is a fire hazard. If the owner does not comply within five days after the order period, Section 106-4I lets the Commissioner have the building repaired, vacated or demolished directly, with costs charged against the land as a municipal lien, added to the tax roll, or recovered in a lawsuit. Section 106-5 allows immediate emergency repair, vacation or demolition where there is imminent danger to life, and Sections 106-9 and 106-10 require the Fire and Police Departments to report suspected unsafe buildings to the Commissioner within 24 hours of discovery.

Violations & Fines

The Corporation Counsel prosecutes owners who fail to comply with a repair, vacation or demolition notice and sues to collect any resulting municipal lien or assessment under Section 106-6. Removing the posted "unsafe building" placard before the ordered work is completed is itself unlawful under Section 106-4F, and costs the City incurs repairing, vacating or demolishing a noncompliant building become a lien against the land under Section 106-4I.

Frequently Asked Questions

What makes a building "unsafe" under Mount Vernon's code?
Section 106-1 lists specific defects, including leaning past one-third of the base, losing 33% or more of a supporting member's strength, fire or wind damage that endangers occupants, and conditions so dilapidated or unsanitary that the building is unfit for human habitation.
How long do I have to fix a building the City has declared unsafe?
The Commissioner's written notice under Section 106-4D and E sets a repair, vacation or demolition deadline of up to 30 days, unless the danger is immediate, in which case Section 106-5 allows emergency action right away.
Can Mount Vernon demolish my building without my consent?
Yes. If you do not comply within five days after the notice period ends, Section 106-4I allows the Commissioner to have the building repaired, vacated or demolished directly and to charge the cost against the land as a municipal lien or tax assessment.
Does an unsafe-building notice affect my property's title?
It can. Section 106-4D(2) requires the notice to be filed with the Westchester County Clerk, where it is docketed like a notice of pendency and remains effective for one year unless vacated by a judge or the Corporation Counsel's consent.

Sources & Official References

Other rules in Mount Vernon

All Mount Vernon rules

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