HFHSA is a locally run affiliate of Habitat for Humanity International, a nonprofit, ecumenical Christian housing organization. HFHSA is a locally run affiliate of Habitat for Humanity International, a nonprofit, ecumenical Chris Habitat for Humanity is a nonprofit, ecumenical Christian housing ministry dedicated to eliminating substandard housing and homelessness worldwide and to making adequate, affordable shelter a matter of conscience and action. Habitat invites people from all faiths and walks of life to work together in partnership, building houses with families in need.