400 Massachusetts Ave NW, Unit 421
Washington, DC 20001

$479,900

Price

Bed

Bath

890 Sq. Ft.

$539 / Sq. Ft.

890

Sq. Ft.

$539

per Sq. Ft.

a front view of a building with many windows

a view of a hallway with wooden floor and a bathroom

wooden floor in an empty room with a window

a view of an empty room with wooden floor and a window

a kitchen with stainless steel appliances a sink a stove cabinets and a window

a view of an empty room with wooden floor

a view of a patio with dining table and chairs

a kitchen with stainless steel appliances wooden cabinets and a stove top oven

a view of a swimming pool with a terrace

a living room with furniture and a table

a view of a room with furniture and wooden floor

Description

Price dropped! Welcome to 400 Mass-Central — Stylish City Living in Mount Vernon Triangle
This spacious 1 bedroom, 1 bathroom condo offers nearly 900 sq ft of modern comfort in one of DC’s most vibrant and walkable neighborhoods. The residence showcases soaring 9-foot ceilings, gleaming hardwood floors, and an open-concept layout filled with natural light. The bedroom is a true retreat, featuring an en suite bathroom for comfort and privacy, along with two custom closet systems that provide abundant...Price dropped! Welcome to 400 Mass-Central — Stylish City Living in Mount Vernon Triangle
This spacious 1 bedroom, 1 bathroom condo offers nearly 900 sq ft of modern comfort in one of DC’s most vibrant and walkable neighborhoods. The residence showcases soaring 9-foot ceilings, gleaming hardwood floors, and an open-concept layout filled with natural light. The bedroom is a true retreat, featuring an en suite bathroom for comfort and privacy, along with two custom closet systems that provide abundant storage. A thoughtfully designed nook with a custom built-in desk and shelving offers the perfect home office setup or can easily transform into a cozy reading lounge — flexible to suit your lifestyle. Combo box at front desk
Recent updates, all completed in August 2025, include fresh paint throughout, luxury plank vinyl flooring in the closets, a new stove, sink, and faucets, as well as all-new light fixtures and updated bathroom fixtures, including the faucet and bathtub hardware — making this home truly move-in ready.
400 Mass- Central delivers resort-style amenities, including 24-hour security and concierge, a rooftop deck with pool and grilling stations, a state-of-the-art fitness center, a club room, and a business center. Assigned underground parking is included, and a bonus bicycle rack. Live where the city comes alive — just blocks to Gallery Place, Judiciary Square Metro, Capital One Arena, Union Station, and endless shopping, dining, and entertainment. Experience the perfect balance of refined comfort and urban energy at 400 Mass-Central. For OPEN HOUSES Please CALL agent to access-

Property Details for 400 Massachusetts Avenue Northwest, Unit 421

Tax ID Number

0517//2523

Ownership

Condominium

Condo Coop Association

Yes

HOA

Entry Floor Number

Structure Type

Unit/Flat/Apartment

Style

Contemporary

Levels/Stories

LISTING UPDATED: 11/13/2025 07:29 PM

Property Details for 400 Massachusetts Avenue Northwest, Unit 421

Status	Active
MLS #	DCDC2216700
Days on Market	102
Taxes	$4,121 / year
HOA Fees	-
Condo/Co-op Fees	$694 / month
Compass Type	Condo
MLS Type	Residential / Condo
Year Built	2004
County	District of Columbia

Location

Listing Courtesy of TTR Sotheby's International Realty

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Building Information for 400 Massachusetts Avenue Northwest, Unit 421

Building/Complex400 MassFloor-Stories13Residences256Pet PolicyAllowedPet Policy DetailsCase by Case BasisYear Built2004

Payment Calculator

$3,409 per month

30 year fixed, 6.28% Interest

Principal and Interest

$2,371

Property Taxes

$343

HOA Dues

$694

The Payment Calculator is for illustrative purposes only.

Property Information for 400 Massachusetts Avenue Northwest, Unit 421

Location

In City Limits: Yes
School District Name: DISTRICT OF COLUMBIA PUBLIC SCHOOLS

School District County ID: 121140357950
SchoolDistrictSource: Listing Agent
County: WASHINGTON

Waterfront / Water Access

Water View: No
Water Access: No

Water Oriented: No
Navigable Water: No
Tidal Water: No
Riparian Rights Y/N: No

Association / Community Info

Condo Coop Name: EJF Real Estate
Condo Coop Phone: (202) 408-3309

HOA Condo Coop Mgmt Type: Professional - On-site
HOA Condo Coop Fee Includes: Common Area Maintenance, Ext Bldg Maint, Health Club, Insurance, Lawn Care Front, Management, Pier/Dock Maintenance, Pool(s), Reserve Funds, Sewer, Snow Removal, Trash, Water
HOA Condo Coop Amenities: Community Center, Concierge, Elevator, Exercise Room, Extra Storage, Pool - Outdoor, Fitness Center, Game Room, Meeting Room, Pool - Rooftop, Reserved/Assigned Parking, Security, Swimming Pool
Property Manager Y/N: Yes
Other Fees: $21
Other Fees Frequency: Monthly
Senior Community: No
Association Recreation Fee Y/N: No
Type of Condo: Condo/Coop Association

Taxes and Assessment

Tax Year: 2024
Tax Assessed Value: $492,820

Year Assessed: 2024
County Tax: $0
Improvement Assessed Value: $344,970
City Town Tax: $4,121
Land Assessed Value: $147,850
Clean Green Assessed: No
Land Use Code: 0
Zoning: RESIDENTIAL
Tax Lot: 2523
School Tax: $0
Automatically Update Tax Values Y/N: Yes

Lease Information

Pets Allowed: Yes
Pet Restrictions: Case by Case Basis

Rooms

Main

# Bedrooms Count Main Level: 1
# Bathrooms Count Main Level: 1

# Bathrooms Full Main Level: 1

Rooms

Stories: Main

Building Info

Total Finished SQFT: 890.00
Total Finished SQFT Source: Assessor

Tax Total Finished SQFT: 890.00
Total SQFT: 890.00
Total SQFT Source: Assessor
Main Entrance Orientation: East
Construction Materials: Brick
Ext Main Mid-res: http://bright-media01.prd.brightmls.com/bright/images/0000/8041/2483/9004/804124839004_512_384_WM_5WeXst38XbkuILPt.jpg
Room and Floor: Bedrooms-Main Level-1, Bathrooms Full-Main Level-1
# Bathrooms Full: 1
Other Structure: Above Grade, Below Grade

Lot / Land Information

Soil Types: Urban Land-Sassafras-Chillum
Parcel ID: 16140866

Parking

Type Of Parking: Parking Garage
Parking Garage - # of Spaces: 1

Total Garage Spaces: 1
Number of Assigned Spaces: 1
Assigned Parking Space Number(s): P4-406C
Parking Features: Assigned, Lighted Parking, Parking Space Conveys, Secure Parking
Garage Features: Covered Parking, Basement Garage, Garage Door Opener, Underground

Interior Features

Interior Features: Breakfast Area, Built-Ins, Ceiling Fan(s), Combination Dining/Living, Crown Moldings, Floor Plan - Open, Kitchen - Gourmet, Pantry, Primary Bath(s), Recessed Lighting, Walk-in Closet(s), Window Treatments, Wood Floors
Fireplace: No

Accessibility Features: Elevator
Laundry Type: Washer In Unit, Dryer In Unit

Exterior Features

Exterior Features: BBQ Grill, Exterior Lighting, Lawn Sprinkler, Roof Deck, Secure Storage
Pool: Yes - Community

Community Pool Features: Above Ground, Lap/Exercise, Rooftop

Utilities

Heating: Yes
Cooling Type: Central A/C

Cooling Fuel: Electric
Heating Type: 90% Forced Air
Heating Fuel: Electric
Hot Water: Electric
Water Source: Public
Sewer Septic: Public Sewer

Confidential Data

Listing Office

List Agent AOR: Northern Virginia Association of REALTORS

Property History for 400 Massachusetts Avenue Northwest, Unit 421

Date	Event & Source	Price	Appreciation
Oct 30, 2025	Price Change BRIGHT #DCDC2216700	$479,900	—
Aug 25, 2025	Listed (Active) BRIGHT #DCDC2216700	$489,900	—
Dec 27, 2004	Closed BRIGHT #DCDC163462	$395,800	—
Dec 27, 2004	Pending BRIGHT #DCDC163462		—
Dec 27, 2004	Listed (Active) BRIGHT #DCDC163462	$395,800	—
Oct 27, 2004	Closed (Public Record) Public Record #243706270	$395,800	—

Date	Event & Source	Price
10/30/2025	Price Change BRIGHT #DCDC2216700	$479,900
08/25/2025	Listed (Active) BRIGHT #DCDC2216700	$489,900
12/27/2004	Closed BRIGHT #DCDC163462	$395,800
12/27/2004	Pending BRIGHT #DCDC163462	—
12/27/2004	Listed (Active) BRIGHT #DCDC163462	$395,800
10/27/2004	Closed (Public Record) Public Record #243706270	$395,800

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 400 Massachusetts Avenue Northwest, Unit 421

Taxable ValueLand$147,850Additions$344,970Total$492,820

Tax Record2025$4,056 ($338 / month)

Home Facts

Beds1Baths1Total Finished SqFt890 SqFtAbove Grade Finished SqFt890 SqFtStyleCondominiumYear Built2004CountyDISTRICT OF COLUMBIAAPN0517 2523

Schools near 400 Massachusetts Avenue Northwest, Unit 421

This home is within District Of Columbia Public Schools.


Rating	School	Type	Grades	Distance
5/10	Walker-Jones Education Campus	Public - Serves this home	PK to 8	0.3 mi
3/10	Dunbar High School	Public - Serves this home	9 to 12	0.6 mi
6/10	Capitol Hill Montessori @ Logan	Public - Nearby school	PK to 8	0.8 mi
9/10	Benjamin Banneker High School	Public - Choice school	9 to 12	0.9 mi
7/10	McKinley Technology High School	Public - Choice school	9 to 12	1.2 mi
8/10	School-Within-School @ Goding	Public - Nearby school	PK to 5	1.3 mi
NR	Gonzaga College High School	Private - Nearby school	9 to 12	0.3 mi
NR	Templeton Academy	Private - Nearby school	9 to 12	0.5 mi


Rating	School	Distance
5/10	Walker-Jones Education Campus PublicPK to 8 Serves this home	0.3 mi
3/10	Dunbar High School Public9 to 12 Serves this home	0.6 mi
6/10	Capitol Hill Montessori @ Logan PublicPK to 8 Nearby school	0.8 mi
9/10	Benjamin Banneker High School Public9 to 12 Choice school	0.9 mi
7/10	McKinley Technology High School Public9 to 12 Choice school	1.2 mi
8/10	School-Within-School @ Goding PublicPK to 5 Nearby school	1.3 mi
NR	Gonzaga College High School Private9 to 12 Nearby school	0.3 mi
NR	Templeton Academy Private9 to 12 Nearby school	0.5 mi

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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More information about 400 Massachusetts Avenue Northwest, Unit 421, Washington, DC 20001

400 Massachusetts Avenue Northwest, Unit 421 is a condo for sale in Washington, DC 20001. This property was listed for sale on August 25, 2025 by TTR Sotheby's International Realty, it's currently listed at $479,900. It has been on the market for a total of 102 days and was last sold on December 27, 2004. This listing's school district is District Of Columbia Public Schools. Nearby schools include Walker-Jones Education Campus, Dunbar High School and Capitol Hill Montessori @ Logan. 400 Massachusetts Avenue Northwest, Unit 421 is a 1-bed, 1-bath, 890 sqft condo built in 2004.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of TTR Sotheby's International Realty

© 2025 Bright MLS. All rights reserved. All information is deemed reliable, but accuracy is not guaranteed. Listing information is from various brokers who participate in IDX and not all listings may be visible on the site. The property information being provided is for the consumer’s personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated on 11/13/2025 07:29 PM

400 Massachusetts Ave NW, Unit 421Washington, DC 20001

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More information about 400 Massachusetts Avenue Northwest, Unit 421, Washington, DC 20001

400 Massachusetts Ave NW, Unit 421
Washington, DC 20001