- For Lease Contact for pricing
- Property Type Office - General Office
- Property Size 421,691 SF
- Lot Size 1.15 Acre
- Property Tenancy Vacant
- LEED Certified Gold
- Building Class A+
- Year Built 1974
- Date Updated Jul 14, 2026
Description
20 Mass is a Class A+ office building totaling 421,691 square feet on a 1.15-acre lot. Built in 2023, it features a Gold LEED certification, ensuring energy efficiency and sustainability. The property’s contemporary design and high-quality construction make it an excellent choice for tenants seeking a premium workspace. Its location in a vibrant business district adds to its appeal for professional organizations.
Situated in Judiciary Square, the property benefits from proximity to government offices, cultural landmarks, and legal institutions. The neighborhood is known for its convenient access to dining options, hotels, and public transportation, offering both business and leisure opportunities. Several restaurants are within walking distance, providing ample choices for lunch breaks or client meetings. Nearby parking facilities also make commuting easier for tenants and visitors alike.
True
1 Space Available
Ground Floor
Retail
Contact for pricing
13,832 SF
13,832 - 13,832 SF
Immediate
Yes
No
retail space with multiple demising options in DC’s newest mixed use development with Trophy office space (183,515 SF) and a Royal Sonesta Hotel (271-Keys)
Massachusetts Ave NW | 22,400 VPD F Street NW | 2,200 VPD