**PRICE REDUCED BY $20K** Welcome to 400 Mass, a spacious, upper-floor one-bedroom residence offering the kind of room, storage, and convenience that can be hard to find in the heart of DC. The open living and dining area provides plenty of flexibility for everyday living, entertaining, and working from home, while hardwood floors and large windows create a bright, comfortable feel throughout. The kitchen features granite countertops, stainless steel appliances, generous cabinetry, and a breakfast bar that keeps the space connected to the main living area. The oversized bedroom easily accommodates a king-size bed with room to spare, and ample storage with six closets throughout the home, including a walk-in closet and separate pantry. An in-unit washer and dryer add everyday convenience, while a BRAND-NEW HVAC system offers the next owner one less thing to stress about. Even better, the home comes with garage parking (P-121) — a major bonus for city living. 400 Mass delivers the full-service lifestyle with a 24-hour front desk, fitness center, rooftop pool, and expansive roof deck with sweeping city views, grilling areas, and plenty of space to relax or entertain. Residents also enjoy community and recreation spaces, all from a location that puts Metro, restaurants, shopping, museums, Capitol Hill, Penn Quarter, and some of DC's best destinations within easy reach. Spacious, well-appointed, exceptionally located, and complete with parking — Unit 722 offers an easy way to enjoy city living without sacrificing the comforts of home. It's a special place that allows you to Just BE.
For sale
Price cut: $20.1K (10/29)
$474,900
400 Massachusetts Ave NW APT 722, Washington, DC 20001
1beds
1,036sqft
Condominium
Built in 2004
-- sqft lot
$465,200 Zestimate®
$458/sqft
$755/mo HOA
What's special
Rooftop poolSpacious upper-floor one-bedroom residenceBrand-new hvac systemIn-unit washer and dryerBright comfortable feel throughoutLarge windowsGenerous cabinetry
- 39 days
- 132
- 13
Zillow last checked:
Listing updated:
Listed by:
Jay Bauer 301-785-1100,
Compass
Source: Bright MLS,MLS#: DCDC2282924
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 1
- Bathrooms: 1
- Full bathrooms: 1
- Main level bathrooms: 1
- Main level bedrooms: 1
Heating
- Forced Air, Electric
Cooling
- Central Air, Electric
Appliances
- Included: Electric Water Heater
- Laundry: In Unit
Features
- Has basement: No
- Has fireplace: No
Interior area
- Total structure area: 1,036
- Total interior livable area: 1,036 sqft
- Finished area above ground: 1,036
Property
Parking
- Total spaces: 1
- Parking features: Underground, Garage
- Garage spaces: 1
Accessibility
- Accessibility features: Accessible Elevator Installed
Features
- Levels: One
- Stories: 1
- Pool features: Community
Lot
- Features: Urban Land Not Rated
Details
- Additional structures: Above Grade
- Parcel number: 0517//2593
- Zoning: D1-R
- Special conditions: Standard
Construction
Type & style
- Home type: Condo
- Architectural style: Contemporary
- Property subtype: Condominium
- Attached to another structure: Yes
Materials
- Brick Veneer
Condition
- New construction: No
- Year built: 2004
Utilities & green energy
- Sewer: Public Septic, Public Sewer
- Water: Public
Community & HOA
Community
- Condo and coop fee: $755 monthly
- Subdivision: Mount Vernon Triangle
HOA
- Has HOA: No
- Amenities included: Pool, Pool - Rooftop, Party Room, Fitness Center, Elevator(s), Dog Park, Concierge, Billiard Room
- Services included: Water, Trash, Sewer, Reserve Funds, Pool(s), Management, Insurance, Internet, Custodial Services Maintenance, Common Area Maintenance, Broadband
- HOA name: 400 Mass Ave Condos
Location
- Region: Washington
Financial & listing details
- Price per square foot: $458/sqft
- Tax assessed value: $499,600
- Annual tax amount: $3,641
- Date on market: 9/29/2026
- Listing agreement: Exclusive Right To Sell
- Ownership: Condominium
Estimated market value
$465,200
$442,000 - $488,000
$2,831/mo
Price history
| Date | Event | Price |
|---|---|---|
| 11/6/2026 | Listed for rent | $2,700$3/sqft |
Source: Zillow Rentals Report a problem | ||
| 10/29/2026 | Price change | $474,900-4.1%$458/sqft |
Source: | ||
| 10/26/2026 | Listed for sale | $495,000+21.8%$478/sqft |
Source: | ||
| 12/1/2024 | Listing removed | $2,700$3/sqft |
Source: Zillow Rentals Report a problem | ||
| 11/12/2024 | Listed for rent | $2,700$3/sqft |
Source: Zillow Rentals Report a problem | ||
| 10/26/2024 | Listing removed | $2,700$3/sqft |
Source: Zillow Rentals Report a problem | ||
| 10/16/2024 | Listed for rent | $2,700+3.8%$3/sqft |
Source: Zillow Rentals Report a problem | ||
| 11/30/2021 | Listing removed | -- |
Source: Zillow Rental Manager Report a problem | ||
| 11/16/2021 | Listed for rent | $2,600-5.5%$3/sqft |
Source: Zillow Rental Manager Report a problem | ||
| 3/24/2021 | Listing removed | -- |
Source: Owner Report a problem | ||
| 11/22/2019 | Listing removed | $2,750$3/sqft |
Source: Owner Report a problem | ||
| 11/19/2019 | Listed for rent | $2,750$3/sqft |
Source: Owner Report a problem | ||
| 5/24/2010 | Sold | $406,500-3%$392/sqft |
Source: Public Record Report a problem | ||
| 3/25/2010 | Listed for sale | $419,000-4.8%$404/sqft |
Source: Prudential Real Estate #Dc7287160 Report a problem | ||
| 9/7/2006 | Sold | $440,000+28.3%$425/sqft |
Source: Public Record Report a problem | ||
| 2/1/2005 | Sold | $342,913$331/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2026 | $3,641 -2% | $536,260 -1.1% |
| 2025 | $3,713 -2.5% | $542,370 -1.4% |
| 2024 | $3,808 -5.5% | $550,230 -4% |
| 2023 | $4,031 +3% | $572,940 +3.6% |
| 2022 | $3,913 -1.8% | $552,810 -1% |
| 2021 | $3,985 -1.2% | $558,470 +1.5% |
| 2020 | $4,034 +11.6% | $550,330 +10.3% |
| 2018 | $3,616 +0.3% | $498,720 +0.5% |
| 2017 | $3,603 +3.6% | $496,390 +3.2% |
| 2016 | $3,477 +1.3% | $480,790 +1.2% |
| 2015 | $3,432 +50.5% | $475,200 +6.1% |
| 2014 | $2,281 | $447,710 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
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Neighborhood: Judiciary Square
Nearby schools
Schools provided by the listing agent
- District: District Of Columbia Public Schools
Source: Bright MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.








