From a cozy co-op to a $2.1 million house in Chain Bridge Forest, the options for open houses this weekend are diverse and plentiful.

See our real estate section for a full listing of open houses. Here are a few highlights:

2123 19th Street N.
2 BD / 1 BA stock cooperative
Susan Sarcone, McEnearney Associates
Listed: $298,000
Open: Sunday, Sept. 15, 3:00 to 6:00 p.m.

880 N. Pollard Street
1 BD / 1 BA condominium
Keri Shull, Keller Williams Realty
Listed: $425,000
Open: Sunday, Sept. 15, 2:00 to 4:00 p.m.

2720 S. Arlington Mill Drive
2 BD / 2 BA condominium
Sandra Pickett, Keller Williams Realty
Listed: $549,900
Open: Sunday, Sept. 15, 2:00 to 4:00 p.m.

4908 S. Chesterfield Road
5 BD / 4 BA single family detached
Manfredy Lopez, Long & Foster
Listed: $749,990
Open: Sunday, Sept. 15, 1:00 to 4:00 p.m.

4523 N. Wakefield Street
3 BD / 3 1/2 BA townhouse
James Patton, McWilliams/Ballard
Listed: $899,000
Open: Saturday, Sept. 14, noon to 4:00 p.m.

4050 40th Street N.
5 BD / 5 1/2 BA single family detached
William Hoffman, Keller Williams Fairfax Gateway
Listed: $2,190,000
Open: Sunday, Sept. 15, 1:00 to 4:00 p.m.