NWW receives support from several public and private funding sources.

An Example of NWW's Affordable Housing
Support for NWW's affordable housing comes from:
- City of Newton Community Development Block Grant (CDBG) program
- Commonwealth of Massachusetts Department of Housing and Community Development Facilities Consolidation Fund
- United States Department of Housing and Urban Development (HUD)
- Local housing authorities
- Private donations
Support for residential services comes from:
- Commonwealth of Massachusetts Department of Developmental Services (formerly Department of Mental Retardation)
- Income-based fees for service
- NWW's Autumn Auction and Annual Appeal
Support for Wednesday Night Drop-In, social work services, internships, community education programs, volunteer services and outreach activities, comes from:
- First Parish Church in Weston
- City of Newton Community Development Block Grant (CDBG) program
- NWW Annual Appeal
- NWW Annual Autumn Auction
- Rebecca Pomroy Foundation
- United Parish of Auburndale
- Wellesley (Village) Congregational Church

