**Open House SUNDAY 11/1st @ 1-3pm** Welcome to 900 20th St S, a rare two-home opportunity in one of Arlington's most sought-after locations. The custom luxury addition offers three stories of beautifully finished living space with 3 bedrooms and 2.5 baths, highlighted by a stunning wraparound balcony on the third floor and a large driveway with plenty of parking. Connected yet completely private, the main house features its own separate entrance and offers a comfortable 2-level layout with 3 bedrooms, 2 baths and 2 separate kitchens on each level making this property ideal for multi-generational living or as a savvy investment — lease the main house for an estimated $4,000 a month and let your tenant help pay down your mortgage. Explore short-term/Airbnb rental potential across either or both units for even greater upside (buyer to verify current Arlington County short-term rental regulations and licensing requirements). Just minutes from proposed Metro Market Sqaure, Crystal City, National Landing, Reagan National Airport and Pentagon City's shops, restaurants, and Metro access, this address sits in a rapidly evolving corridor that continues to attract major investment and redevelopment, making it a smart addition to any portfolio or a flexible, income-generating home for the right buyer. Don't miss this rare chance to own two homes in one of Arlington's best locations!