What is inclusionary housing and how does it work in NYC?

Inclusionary Housing is a zoning program that links residential development to the creation of affordable housing. In exchange for providing affordable units, developers may receive additional residential floor area or be required to meet affordability obligations in designated areas. Property owners should determine whether their site is subject to Inclusionary Housing rules before evaluating redevelopment potential.

Do I have to include affordable units in my development?

Not always—affordable housing requirements depend on the property's zoning district and whether it is located within a Mandatory Inclusionary Housing (MIH) area. Properties outside MIH areas may not be subject to the same affordability obligations. Owners should verify whether their site is mapped within an MIH district before planning a project.

What is the difference between voluntary and mandatory inclusionary housing?

Voluntary Inclusionary Housing allows developers to obtain additional floor area by providing affordable housing, while Mandatory Inclusionary Housing requires affordable housing when qualifying sites are rezoned for residential development. The two programs operate under different zoning frameworks and obligations. Owners should identify which program applies before underwriting land value or project returns.

What density bonus do I get for including affordable units voluntarily?

Eligible projects may receive additional residential floor area in exchange for permanently affordable housing. The amount of bonus floor area depends on the applicable zoning district and program requirements established in the Zoning Resolution. Owners should determine whether the additional buildable square footage outweighs the affordability obligation.

How does inclusionary housing affect what a developer will pay for my land?

Inclusionary Housing can increase land value by allowing additional development rights, but affordability requirements can also reduce project profitability. The net effect depends on construction costs, market rents, condominium values, and financing assumptions. Owners should evaluate land value under multiple development scenarios before negotiating a sale.

What percentage of units need to be affordable under current NYC rules?

The required affordability percentage depends on the specific Mandatory Inclusionary Housing option assigned to the property. Most MIH options require between 20% and 30% of residential floor area to remain permanently affordable to qualifying households. Owners should verify the applicable MIH option before estimating project economics.

Does inclusionary housing apply to conversions as well as new construction?

Sometimes—Inclusionary Housing requirements can apply to conversion projects if they meet specific zoning and development thresholds. Applicability depends on the property's location, zoning district, and scope of redevelopment. Owners should evaluate affordability obligations before pursuing a conversion strategy.

Can I pay a fee instead of including affordable units in my building?

No—New York City's Mandatory Inclusionary Housing program generally requires affordable housing to be provided rather than satisfied through a payment. Affordable units must remain permanently income-restricted under the applicable program requirements. Owners should account for the affordability obligation when evaluating project feasibility.

My property is in a Mandatory Inclusionary Housing area—what does that mean for a buyer?

A buyer may be required to provide permanently affordable housing if the property is developed or redeveloped under applicable zoning regulations. This obligation can significantly affect project design, financing, and land value. Owners should understand the affordability requirements before marketing a development site.

I want to develop a small building—does inclusionary housing apply to me?

Possibly—applicability depends on project size, zoning district, and whether the property is located within a Mandatory Inclusionary Housing area. Smaller projects are not automatically exempt from affordability requirements. Owners should complete a zoning analysis before assuming the rules do or do not apply.