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Free-Standing Office Atrium Building
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601 Massachusetts Ave NW, Washington, DC 20001

Free-standing office building featuring a 9-story glass atrium and on-site amenities including a staffed fitness center.

Space Size44,490 SF
Days on Market251

Property Features for 601 Massachusetts Ave NW

General Information

Standard status Active
Size 44,490 SF
Class Trophy
Property subtype RETAIL

Amenities

Fully Staffed On-Site Fitness Center with Classes and Personal Training
High-End Rooftop Terrace with Capitol Views
9-Story Glass Atrium

Spaces For Lease

at 601 Massachusetts Ave NW Contact us

601 Massachusetts Ave NW

Size
44,490 SF
Type
RETAIL
Rate
Contact for pricing
Availability
AVAILABLE, Now
Sublease
No
Conveniently located in Mount Vernon Triangle, 601 Mass Ave is a free-standing trophy...
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Listing Agency: Avison Young | Washington, D.C. Metro
Listed By: Elijah "Eli" Barnes
Source: Moodyscre
Added: Dec 4, 2025 Changed: Aug 8 Last Checked: Aug 11 at 2:30PM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Avison Young | Washington, D.C. Metro

Investment Insights

Based on property information with market context.

601 Massachusetts Ave NW is a free-standing office property described as a trophy building with a 9-story glass atrium. The tenant amenity offering includes a fully staffed on-site fitness center with classes and personal training, along with a high-end rooftop terrace.

The property is located in Mount Vernon Triangle and is in close proximity to the Walter E. Washington Convention Center. It is also a short walk from the Gallery Place–Chinatown Metro Station, with access to the green, red, and yellow lines.

The building’s amenity mix is centered on wellness and outdoor space, supporting a workplace experience that extends beyond the main office areas.

Key Highlights

  • Free‑standing office building in Mount Vernon Triangle at 601 Mass Ave
  • 9‑story glass atrium
  • Fully staffed on‑site fitness center with classes and personal training

Property Analytics

Current Use

Nite to Unite Charitable Organization Public parking Parking Lot & Garage 601 Massachusetts Avenue Business Service Center Room Equity Loan Service

Suggested Use

Top Pick Butcher Tanning Salon (Bike/Boat/Book/etc) Store Clothing & Fashion Store Buffet Tattoo & Piercing Shop

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

NNN (Triple Net)
Lease Type

Location Intelligence

Trade Area within ½ mile

14,715
Businesses Nearby

Demographics for 20001, DC

49,040
Population
26,728
Households
1.8
Avg Household Size
32
Median Age
78%
College-Educated
95%
High-School Grad
2.0 sq mi
ZIP Area
24,520
Density / Sq Mi
$138,730
Median Household Income
$94,675
Median Earnings
$2,464
Median Rent
$844,500
Median Home Value

Market

Lease Benchmarks for Washington, DC

$44.5 /SF/Yr
Avg Asking Price
$1.8–$74 /SF/Yr
Price Range
23,450 SF
Avg Space Size

Vacancy Rate% for Office in Washington, DC

14.8% 2019
17% 2020
18.1% 2021
19.5% 2022
20.7% 2023
21.9% 2024
22.8% 2025
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Frequently Asked Questions

What type of property is this?
Office building - Free-standing office building featuring a 9-story glass atrium and on-site amenities including a staffed fitness center.
Where is this office building located?
The property is located at 601 Massachusetts Ave NW Washington, DC.
What are key features of this property?
This property features: Free‑standing office building in Mount Vernon Triangle at 601 Mass Ave; 9‑story glass atrium; Fully staffed on‑site fitness center with classes and personal training
(860) 508-0261 Call to check price and availability
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