# Housing Preservation and Development
Established in 1978, the New York City Department of Housing Preservation and Development (HPD) is the largest municipal housing preservation and development agency in the nation.
The agency's mission is to promote quality and affordability of the city's housing and the strength and diversity of its many neighborhoods. HPD strives to achieve this mission by:
Preserving affordable housing and protecting tenants
Developing new affordable housing
Enforcing the Housing Maintenance Code to ensure quality and safety
Engaging neighborhoods in planning
HPD is responsible for carrying out Housing New York, Mayor Bill de Blasio's initiative to build or preserve 300,000 affordable homes by 2026. HPD is leading the Mayor's charge, in partnership with over 13 sister agencies, advocates, developers, tenants, community organizations, elected officials, and financial institutions.
program_outcome: Affordable Housing
service: Economic Development and Community Development
UN_Sustainable_Development_Goals: Goal 11 Sustainable Cities and Communities