A rare offering in the sought-after 400 building—the only unit currently available and a true penthouse residence that elevates both your lifestyle and your investment. Positioned at the top, this penthouse delivers what buyers are searching for but rarely find: privacy, natural light, and a sense of exclusivity that simply doesn’t exist on lower levels. With no competing inventory in the building, this is a unique chance to secure a premier unit in a tightly held community. Inside, the home offers a thoughtfully designed layout that maximizes space, light, and functionality—ideal for both everyday living and entertaining. Elevated sightlines and top-floor positioning create a quiet retreat above it all, while still keeping you connected to everything happening around you. Location is where this property truly shines. Situated in Southwest DC, you’re moments from: --The Wharf – dining, waterfront views, entertainment, and nightlife --Navy Yard – home to Nationals Park, parks, and a rapidly growing restaurant scene --Capitol Riverfront & Audi Field – one of DC’s most active lifestyle corridors --Easy access to Metro, commuter routes, and downtown DC This location continues to benefit from ongoing public and private investment, making it not just a place to live—but a smart long-term play. Ai has been used to show the condo as a blank canvas experience.
For sale
Price cut: $26K (5/1)
$349,000
400 O St SW APT 402, Washington, DC 20024
1beds
777sqft
Est.: Get pre-qualified
Condominium
Built in 1965
-- sqft lot
$343,400 Zestimate®
$449/sqft
$1,078/mo HOA
What's special
Natural light
- 52 days |
- 149 |
- 8 |
Zillow last checked:
Listing updated:
Listed by:
Brandon Scott 202-630-7976,
Keller Williams Capital Properties
Source: Bright MLS,MLS#: DCDC2253566
Tour with a local agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 1
- Bathrooms: 1
- Full bathrooms: 1
- Main level bathrooms: 1
- Main level bedrooms: 1
Basement
- Area: 0
Heating
- Central, 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: 777
- Total interior livable area: 777 sqft
- Finished area above ground: 777
- Finished area below ground: 0
Video & virtual tour
Property
Parking
- Total spaces: 21
- Parking features: Underground, Garage
- Garage spaces: 21
Accessibility
- Accessibility features: Accessible Elevator Installed
Features
- Levels: Four
- Stories: 4
- Pool features: None
Lot
- Features: Unknown Soil Type
Details
- Additional structures: Above Grade, Below Grade
- Parcel number: 0504//2027
- Zoning: RA-2
- Special conditions: Standard
Construction
Type & style
- Home type: Condo
- Property subtype: Condominium
- Attached to another structure: Yes
Materials
- Brick
Condition
- Very Good
- New construction: No
- Year built: 1965
Details
- Builder name: Edgewater
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
Community & HOA
Community
- Condo and coop fee: $1,078 monthly
- Subdivision: Waterfront
HOA
- Has HOA: No
- Amenities included: Elevator(s), Storage, Fitness Center, Laundry, Clubhouse
- Services included: Air Conditioning, Electricity, Gas, Internet, Sewer, Water
- HOA name: Edgewater Condominium
Location
- Region: Washington
Financial & listing details
- Price per square foot: $449/sqft
- Tax assessed value: $414,990
- Annual tax amount: $3,420
- Date on market: 4/7/2026
- Listing agreement: Exclusive Agency
- Listing terms: Conventional,VA Loan,Cash
- Ownership: Condominium
Estimated market value
$343,400
$326,000 - $361,000
$2,088/mo
Price history
| Date | Event | Price |
|---|---|---|
| 5/1/2026 | Price change | $349,000-6.9%$449/sqft |
Source:  Bright MLS #DCDC2253566 Report a problem | ||
| 4/7/2026 | Listed for sale | $375,000+21.8%$483/sqft |
Source: Bright MLS #DCDC2253566 Report a problem | ||
| 1/9/2022 | Listing removed | -- |
Source: Zillow Rental Manager Report a problem | ||
| 12/28/2021 | Price change | $1,950-7.1%$3/sqft |
Source: Zillow Rental Manager Report a problem | ||
| 12/26/2021 | Price change | $2,100-4.5%$3/sqft |
Source: Zillow Rental Manager Report a problem | ||
| 12/17/2021 | Listed for rent | $2,200-2.2%$3/sqft |
Source: Zillow Rental Manager Report a problem | ||
| 2/23/2021 | Listing removed | -- |
Source: Owner Report a problem | ||
| 8/27/2020 | Listing removed | $2,250$3/sqft |
Source: Owner Report a problem | ||
| 7/28/2020 | Listed for rent | $2,250$3/sqft |
Source: Owner Report a problem | ||
| 6/23/2020 | Sold | $308,000+2.7%$396/sqft |
Source: Public Record Report a problem | ||
| 4/30/2020 | Pending sale | $300,000$386/sqft |
Source: Compass #DCDC460752 Report a problem | ||
| 4/20/2020 | Price change | $300,000-14.2%$386/sqft |
Source: Compass #DCDC460752 Report a problem | ||
| 3/12/2020 | Listed for sale | $349,500+13.8%$450/sqft |
Source: Compass #DCDC460752 Report a problem | ||
| 4/23/2007 | Sold | $307,000$395/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $3,420 -1.9% | $417,940 -1.8% |
| 2024 | $3,487 +1.3% | $425,410 +1.4% |
| 2023 | $3,442 +9.8% | $419,690 +9.7% |
| 2022 | $3,136 +0.1% | $382,660 +0.2% |
| 2021 | $3,133 +0.6% | $381,830 +4.2% |
| 2020 | $3,114 +4.7% | $366,320 +4.7% |
| 2018 | $2,973 +7.7% | $349,740 +7.7% |
| 2017 | $2,760 +8% | $324,760 +8% |
| 2016 | $2,555 +5.3% | $300,590 +5.3% |
| 2015 | $2,426 +18.1% | $285,410 +18.1% |
| 2014 | $2,055 +3.5% | $241,740 +3.5% |
| 2013 | $1,985 -0.6% | $233,510 -0.6% |
| 2012 | $1,997 | $234,910 |
| 2011 | $1,997 -16% | $234,910 -16% |
| 2010 | $2,376 +38.2% | $279,570 +3.6% |
| 2009 | $1,719 +1240.5% | $269,780 +11.3% |
| 2007 | $128 +5.2% | $242,430 +25.8% |
| 2006 | $122 -48.4% | $192,750 +24.8% |
| 2005 | $236 +12% | $154,390 +54.9% |
| 2004 | $211 +12% | $99,660 +20.3% |
| 2003 | $188 +25% | $82,870 +35% |
| 2002 | $151 | $61,383 |
| 2001 | $151 | $61,383 |
Find assessor info on the county website
Monthly payment
Est. payment$--/mo
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.
All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
See how much you could borrow to make a competitive offer.
Climate risks
Neighborhood: Southwest Waterfront
Nearby schools
GreatSchools rating
- 4/10Amidon-Bowen Elementary SchoolGrades: PK-5Distance: 0.4 mi
- 5/10Jefferson Middle School AcademyGrades: 6-8Distance: 0.5 mi
- 3/10Eastern High SchoolGrades: 9-12Distance: 2.4 mi
Schools provided by the listing agent
- Elementary: Amidon-bowen
- Middle: Jefferson Middle School Academy
- High: Wilson Senior
- 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.
A local agent can set up tours, give advice and negotiate with sellers.
- Washington, DC
- District of Columbia
- Washington
- 20024
- Southwest Waterfront
- 400 O St SW Apartment 402
Nearby cities
Nearby neighborhoods
Nearby zip codes
Other Washington Topics
