NYC is converting vacant office buildings into apartments. With Manhattan office vacancy at 16.5% and a 560,000-home target by 2030, here's how the math works.

New York City is transforming vacant office buildings into apartments to address its housing shortage. With Manhattan's office vacancy at 16.5% and a need for 560,000 new homes by 2030, developers are converting outdated workspaces into residences — particularly in the Financial District, Midtown East, and Brooklyn's DUMBO.

Incentives like the 467-m tax exemption and zoning reforms are driving progress, despite renovation challenges.

Featured projects — Manhattan

25 Water Street (Financial District). Formerly the Daily News and JPMorgan Chase HQ, this 1.13 million sq ft building now houses 1,320 apartments (330 affordable). Opened April 2025, it's the largest U.S. office-to-residential conversion.

219–235 East 42nd Street (Midtown East). The former Pfizer headquarters is being converted into 1,500 rental apartments, the city's largest by unit count. Underway, led by Metro Loft and Gensler.

55 Broad Street (Financial District). Transformed into 571 market-rate apartments by Metro Loft and Silverstein Properties. Recently completed, with 1-bedroom rents around $5,300/month. Near the Stock Exchange, it strengthens the Financial District's residential appeal and 24/7 vibrancy.

300 East 42nd Street (Midtown East). 18-story, 235,000 square-foot office and retail building which investor David Werner was reported to be buying at a deep discount. Although not yet posted in public records, the purchase closed last Wednesday for $52 million, as expected — less than half the property's last sale price in 2019 (NY Post).

Featured projects — Brooklyn

175 Pearl Street (DUMBO). Acquired for $67M by Watermark Capital Group (35% below 2017 price), this 14-story office building is slated for residential conversion and delivery in 2027.

Market drivers

NYC urgently needs more homes. The city's rental vacancy rate is just 1.4%, highlighting a severe shortage. Over the past decade, residential rents have surged by more than 30%, putting even more pressure on affordability.

Policy support: The 467-m tax exemption (90% tax reduction for 25% affordable units) and Office Conversion Accelerator program incentivize developers. Zoning reforms now allow pre-1990 building conversions.

Challenges

Conversions face high costs and complex renovations, like adding windows to deep floor plans and upgrading utilities. The 467-m's 25% affordability requirement can strain budgets.

Yet the pipeline is robust: 26 projects filed since 2020, with 69 more in discussion (Gothamist).

Planning a move in the next year? Let's connect for a consultation — it'd be my pleasure to help you strategize your next steps.

Corey Cohen · Principal, The Roebling Team at Compass