The first record about Columbia settlement is dated by 1540 year. When Spanish expedition led by Hernando de Soto crossed this area moving north. Right now it is well-developed mega police with high-quality healthcare and assisted living industry.

The Residences at Thomas Circle
1330 Massachusetts Ave NW, Washington, District of Columbia 20005
Forest Hills of DC
4901 Connecticut Ave NW, Washington, District of Columbia 20008
Sunrise on Connecticut Avenue
5111 Connecticut Avenue Northwest, Washington, District of Columbia 20008
Brightview Fallsgrove
9200 Darnestown Road, Rockville, Maryland 20850
Ingleside at King Farm
701 King Farm Boulevard, Rockville, Maryland 20850
Kindley Assisted Living
333 Russell Avenue, Gaithersburg, Maryland 20877
Sunrise of Rockville
8 Baltimore Road, Rockville, Maryland 20850
Arbor Terrace Senior Living
9885 Greenbelt Road, Lanham, Maryland 20706
Brookdale Olney
2611 Olney Sandy Springs Road, Olney, Maryland 20832
B'nai B'rith Homecrest House
14508 Homecrest Rd, Silver Spring, Silver Spring, Maryland 20906
Aspenwood Senior Living Community
14400 Homecrest Road, Silver Spring, Maryland 20906
Sunrise of Silver Spring
11621 New Hampshire Avenue, Silver Spring, Maryland 20904
Brighton Gardens of Friendship Heights
5555 Friendship Boulevard, Chevy Chase, Maryland 20815
Independence Court of Hyattsville
5821 Queens Chapel Road, Hyattsville, Maryland 20782
Landow House
1799 East Jefferson Street, Rockville, Maryland 20852
Brookdale Woodward Estates
14997 Health Center Drive, Bowie, Maryland 20716
Emeritus at Potomac
11215 Seven Locks Road, Potomac, Maryland 20854
Brighton Gardens of Tuckerman Lane
5550 Tuckerman Lane, Rockville, Maryland 20852