Lafayette Independent, Assisted Living and Memory Care. Ideally located senior living in Lafayette, CA. Merrill Gardens at Lafayette is now open! Offering independent living, assisted living, and memory care services, Merrill Gardens at Lafayette is centrally situated between Berkeley and Walnut Creek in Contra Costa county. Enjoy being conveniently near great shopping, movie theaters, outdoor recreation areas, dining-out options, hospitals and high-quality medical practices. Atmosphere Merrill Gardens at Lafayette was named Best of 50+ Silver Winner by the National Association of Home Builders. It offers underground parking, full kitchens and washers and dryers in most apartments, a well-appointed library and lots of comfortable meeting areas. A private dining room is available for special occasions and residents enjoy a modern fitness center and free Wi-Fi throughout the building. Residents must be at least 62 years of age to live in this community.