What Is NYC's Alternative Enforcement Program (AEP)?

NYC Real Estate

February 11, 2026

Many New Yorkers live in older apartment buildings where serious problems go unfixed. Issues like broken heating systems, plumbing failures, mold, leaks, and pest infestations can make homes unsafe and unhealthy.


To address this, New York City recently updated its list of the 250 most distressed apartment buildings. These are properties with a high number of open housing code violations and a pattern of repeated landlord neglect. Mayor Mamdani announced stricter enforcement aimed at protecting tenants in these buildings by increasing oversight, enforcing repairs, and holding irresponsible landlords accountable.

What Is the Alternative Enforcement Program (AEP)?

The Alternative Enforcement Program (AEP) is run by the New York City Department of Housing Preservation and Development (HPD). It targets the city’s most neglected apartment buildings, particularly those with serious and ongoing violations such as lack of heat or hot water, mold, pests, leaks, and other hazardous conditions that directly impact tenant health and safety

How Does It Work?

Each year, typically around January 31, HPD reviews housing code data and selects the most distressed multi-unit buildings for the program. These buildings usually have a large number of unresolved hazardous and immediately hazardous violations, as well as high emergency repair costs.


Once a building is placed in AEP:


Buildings can be removed from AEP once owners correct most violations, pay outstanding emergency repair charges, and meet registration requirements. Even after removal, HPD may continue monitoring to ensure conditions do not deteriorate again. The AEP has been in place since 2007 and is designed to improve conditions in some of New York City’s worst-maintained buildings while holding negligent landlords accountable.

Why Does This Matter?

  • The Mamdani administration’s announcement of stricter AEP enforcement signals something important for the market: the city is prioritizing enforcement, not just development. While many housing conversations focus on building new units, the city is also making it clear that existing housing must meet basic standards. This means:
  • For landlords and investors, this represents a shift from reactive enforcement to proactive oversight. Buildings with long-standing issues are more likely to be flagged, monitored, and corrected by the city, with costs passed back to ownership.

    Disclaimer: This content is meant for informational purposes only and is not intended to be construed as financial, tax, legal, or insurance advice.

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