Office-to-Apartment Conversions Hit a Milestone in New York—Here’s What Investors Should Know About Them

BiggerPockets Blog
Published: November 10, 2025
Regulations & Compliance
New York City

Summary

New York City is seeing a surge in office-to-residential conversions, driven by zoning changes and financial incentives. Hosts and investors should be aware of the structural, mechanical, and regulatory complexities of these conversions, but also consider debt-based investing to gain exposure without the operational burdens.

Key Insights

  • Apartment conversions involve extensive mechanical and plumbing overhauls, requiring re-engineering of entire water, HVAC, and electrical systems for multifamily code compliance.
  • New York City's zoning amendments are expanding eligibility for residential conversions, particularly south of 60th Street, and the Midtown South rezoning plan aims to relax restrictions on residential conversions.
  • Financing for office-to-residential conversions is made easier by the 467-m tax abatement introduced in the New York State 2025 budget, offering potential savings up to 90% for up to 35 years.

Action Items

  • Consider the complexities of office-to-residential conversions including structural changes, compliance with regulations like the ADA, and overhauling mechanical and plumbing systems when considering property investments or market trends.
    Effort: high
    Impact: medium

Tools & Resources

  • Connect Invest: Through Connect Invest, investors can participate in real-estate-backed notes, secured, short-term debt positions.(Connect Invest)

Common Mistakes

  • Failing to account for the structural, mechanical, and compliance complexities of converting office buildings to residential units could lead to significant financial and legal challenges.

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