What is the Block by Block housing plan in NYC?
Block by Block is Mayor Mamdani’s comprehensive housing plan released on May 26, 2026. It sets the most ambitious housing production and preservation targets of any NYC mayor in modern history: 200,000 new affordable apartments built and 200,000 existing affordable apartments preserved over 10 years. The De Blasio administration’s combined goal was 300,000 over a comparable timeline. The Adams administration set a 500,000 unit moonshot that included market rate housing. Mamdani’s plan focuses exclusively on affordable housing, which makes the scale even more significant. If you own property in Staten Island or Brooklyn, this plan will shape what gets built in your neighborhood over the next decade.
How many affordable apartments will NYC build under Mamdani’s plan?
The plan calls for 8,000 new affordable apartments per year in the first two fiscal years, a 35% increase from the previous two-year average. About 2,400 of those per year will be for extremely low-income New Yorkers earning under 30% of Area Median Income. Senior housing production is increasing 20% to 1,000 new senior homes per year, with a shift toward inter-generational projects instead of seniors-only buildings. For homeowners near future development sites, this could affect both property values and neighborhood character. If you want to understand how this impacts your block, reach out to our team.
Does the Block by Block plan affect NYC homeowners?
Yes. After months of campaign rhetoric that worried homeowners with property tax hike threats, the Block by Block plan is the first comprehensive housing plan from the Mamdani administration that directly impacts homeowners. It includes homeownership initiatives for moderate-income New Yorkers and its approach to affordable housing production will shape neighborhood development across all five boroughs. For Staten Island and Brooklyn homeowners, understanding where new affordable housing is planned is critical for both property values and community planning. Talk to us about what this means for your area.
How does Mamdani’s housing plan compare to previous NYC mayors?
Mamdani’s Block by Block plan sets the bar higher than both De Blasio and Adams. De Blasio’s combined goal was 300,000 units. Adams set a 500,000 unit moonshot that included market rate housing. Mamdani’s 200,000 new plus 200,000 preserved target focuses exclusively on affordable housing, making it the most aggressive affordable-only housing commitment in modern NYC history. The key question for homeowners is whether the city can actually deliver at this scale, and what happens to neighborhoods where new construction is concentrated.
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