Background: This project builds upon a pilot study that documented innovative shelter/housing solutions that have not undergone rigorous evaluation but hold the promise of supporting “aging in the right place” for older persons (50+) with experiences of homelessness (OPEH) in Montreal, Calgary, and Vancouver. “Aging in the right place” means older adults remain in their homes and communities supported by housing, health, social services responsive to their unique lifestyles and needs. While our pilot study identified innovative shelter/housing solutions that support OPEH to establish and maintain a home and work towards aging in the right place, there remains a knowledge gap regarding what works, why it works, and for whom it works. Methods...