Covia Share: Senior Housing Services Covia Visit Website 2185 N.California Boulevard Suite 215 Walnut Creek, California 94596 415.821.4515 or 925.956.7400 About Map About A 50 year old non-profit helping individuals fortify their own well being by building strong communities, connecting people with housing and services they need to thrive. What's Nearby? Distance: 5 10 15 20 25 50 mi.