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25 Massachusetts Ave NW
Washington, DC 20001
Office Property For Lease · 80,018 SF

Highlights

  • Onsite conferencing and collaboration center
  • Communal work space
  • Lounge/bar and entertaining center
  • Outdoor terrace

Property Overview

25 Mass Ave is an iconic, free-standing building with generous setbacks (50-ft) that provide broad vistas and natural light through large 6-foot-high windows. The property is a nine-story, 385,000-square-foot, Class-A office property which recently underwent a dramatic renovation. Trophy Amenities: 1. Tenant-only lounge with dedicated tenant engagement manager on-site! 2. Expansive, brand new outdoor terrace connected to the lounge. 3. Full service conference facility - entire area can accommodate 127 seats! 4. Stunning fitness center with on demand classes, towel service and Fitwel certification! 5. Secure bike storage with EV charging conveniently located within the garage. 6. Comprehensive concierge experience with the 25 Mass app - curated for Tenant's every needs. Certifications: 1. LEED Gold 2. Energy Star Certified 3. Fitwel Certified

  • 24 Hour Access
  • Bus Line
  • Controlled Access
  • Commuter Rail
  • Concierge
  • Conferencing Facility
  • Courtyard
  • Fitness Center
  • Metro/Subway
  • Property Manager on Site
  • Security System
  • Signage
  • Energy Star Labeled
  • Kitchen
  • Accent Lighting
  • Reception
  • Storage Space
  • Car Charging Station
  • Bicycle Storage
  • Central Heating
  • High Ceilings
  • Direct Elevator Exposure
  • Natural Light
  • Open-Plan
  • Partitioned Offices
  • Plug & Play
  • Recessed Lighting
  • Secure Storage
  • Shower Facilities
  • Wi-Fi
  • Outdoor Seating
  • Air Conditioning

Property Facts

Building Type
Office
Year Built/Renovated
2006/2020
LoopNet Rating
4 Star
Building Height
9 Stories
Building Size
385,464 SF
Building Class
A
Typical Floor Size
39,760 SF
Unfinished Ceiling Height
12’
Column Spacing
30’ x 30’
Parking
Surface Parking
200 Covered Parking Spaces

Sustainability

LEED Certified
Gold
LEED certification is a globally recognized symbol of sustainability achievement.

Sustainability

LEED Certification Developed by the U.S. Green Building Council (USGBC), the Leadership in Energy and Environmental Design (LEED) is a green building certification program focused on the design, construction, operation, and maintenance of green buildings, homes, and neighborhoods, which aims to help building owners and operators be environmentally responsible and use resources efficiently. LEED certification is a globally recognized symbol of sustainability achievement and leadership. To achieve LEED certification, a project earns points by adhering to prerequisites and credits that address carbon, energy, water, waste, transportation, materials, health and indoor environmental quality. Projects go through a verification and review process and are awarded points that correspond to a level of LEED certification: Platinum (80+ points) Gold (60-79 points) Silver (50-59 points) Certified (40-49 points)

  • Listing ID: 8300433

  • Date on Market: 2026-07-14

  • Last Updated:

  • Address: 25 Massachusetts Ave NW, Washington, DC 20001

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