$389,900

510 N STREET SW #N422, WASHINGTON, DC, 20024

  • 777sq ft
  • 1Beds
  • 1 Bathrooms
  • Active

Key Details

April 10, 2026
Year Built: 1966
Days on Market: 30
DCDC2254360
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Description

Welcome to this beautifully upgraded waterfront residence at Harbour Square, where exceptional privacy, refined smart-home enhancements, and tranquil garden and water views come together in the heart of DC's Southwest Waterfront. This stylish 1-bedroom, 1-bath home offers an open, light-filled layout with floor-to-ceiling sliding glass doors leading to a private balcony overlooking the lush Loggia and water garden beyond. Rental parking available! Residents also enjoy rooftop terraces with sweeping views of the river and monuments. Inside, the home blends comfort and sophistication with wood flooring, custom built-ins, and a seamless flow that is equally well suited to everyday living and effortless entertaining. The kitchen is thoughtfully designed with granite countertops, a spacious island, stainless steel appliances, and a GE Profile induction range. An in-unit LG washer and dryer add convenience. The generously sized bedroom is tucked privately away from the main living area and features three closets, creating a peaceful retreat with excellent storage. The updated bath is finished with floor-to-ceiling tile, a sleek modern vanity, and a glass-enclosed shower. A standout feature of this residence is its thoughtful collection of premium upgrades. The Lutron intelligent lighting system offers customizable scenes, remote control, scheduling, and automated lighting adjustments. Additional enhancements include 3M sun-control window film and Bali dual motorized roller shades with both room-darkening and solar functionality. Together, these upgrades materially enhance comfort, convenience, efficiency, and overall appeal, elevating the home into a more premium category. What truly sets this home apart, however, is its remarkable sense of quiet. Reinforced concrete construction on all four walls, as well as the ceiling and floor, creates exceptional sound insulation and a rare feeling of calm, privacy, and permanence that is increasingly hard to find in city living. Storage is another rare advantage, with seven closets, additional storage, and bike storage in the building. Harbour Square is a historic, pet-friendly cooperative set along the Washington Channel on beautifully landscaped grounds with reflecting pools and gardens. This amenity-rich community offers indoor pool, fitness centers, 24-hour concierge service, outdoor grills, laundry facilities, electric vehicle chargers, rental parking, bike storage, and additional storage. The monthly co-op fee includes all utilities, cable TV, high-speed internet, property taxes, maintenance, reserves, building insurance, and more, creating an exceptionally convenient and comprehensive ownership experience. Just moments from The Wharf, Arena Stage, Nationals Park, Audi Field, The Anthem, Safeway, CVS, and the Southwest Farmers Market, this location offers the very best of waterfront city living. With easy access to Metrobus, water taxis, Waterfront Metro, and L'Enfant Plaza, commuting throughout DC, Maryland, and Virginia is effortless. Experience a rare combination of waterfront serenity, substantial construction, modern convenience, and vibrant city access at one of Southwest's most distinctive communities.

Listing Courtesy of: Compass

Location

Features

  • Days on market: 30
  • List Date: April 10, 2026
  • Subdivision: SOUTHWEST WATERFRONT
  • County: WASHINGTON
  • Year Built: 1966
  • Bathrooms: 1 full , 0 half
  • Property Type: Condominium
  • Listing ID: DCDC2254360
  • Architecture Style: Mid-Century Modern

Schools

These schools are filtering within the property address as determined by our data provider.

Rating Name Type Level Grades Address
NA Private Elementary PK-7 2422 K St NW, Washington, DC20037

Grade Span: PK - 7

Admission: Private

Address: 2422 K St NW, Washington, DC20037

Phone: 202-495-0507

Teachers: 6

Students: 20

Ratio: 3:1 Students/Teacher

Gender: 45% Male / 55% Female

Student/Teacher ratio

Enrollment
NA Private Elementary PK-6 2700 27th St NW, Washington, DC20008

Grade Span: PK - 6

Admission: Private

Address: 2700 27th St NW, Washington, DC20008

Phone: 202-387-2700

Teachers: 11

Students: 71

Ratio: 7:1 Students/Teacher

Gender: 49% Male / 51% Female

Student/Teacher ratio

Enrollment
NA Private Elementary PK-8 3825 Klingle Pl NW, Washington, DC20016

Grade Span: PK - 8

Admission: Private

Address: 3825 Klingle Pl NW, Washington, DC20016

Phone: 202-460-9076

Website: http://www.annunciationschool.net/

Teachers: 21

Students: 121

Ratio: 6:1 Students/Teacher

Gender: 60% Male / 40% Female

Student/Teacher ratio

Enrollment
NA Private Secondary 9-12 4300 Harewood Rd NE, Washington, DC20017

Grade Span: 9 - 12

Admission: Private

Address: 4300 Harewood Rd NE, Washington, DC20017

Phone: 202-529-0900

Teachers: 27

Students: 383

Ratio: 14:1 Students/Teacher

Gender: 57% Male / 43% Female

Student/Teacher ratio

Enrollment
NA Private Combined Elementary/Secondary 1-11 1600 Jonquil St NW, Washington, DC20012

Grade Span: 1 - 11

Admission: Private

Address: 1600 Jonquil St NW, Washington, DC20012

Phone: 301-593-4343

Teachers: 4

Students: 21

Ratio: 5:1 Students/Teacher

Gender: 67% Male / 33% Female

Student/Teacher ratio

Enrollment
NA Private Elementary KG-5 1801 Mississippi Ave SE, Washington, DC20020

Grade Span: KG - 5

Admission: Private

Address: 1801 Mississippi Ave SE, Washington, DC20020

Phone: 202-678-1515

Teachers: 10

Students: 71

Ratio: 7:1 Students/Teacher

Gender: 100% Male

Student/Teacher ratio

Enrollment
NA Private Elementary KG-5 1801 Mississippi Ave SE, Washington, DC20020

Grade Span: KG - 5

Admission: Private

Address: 1801 Mississippi Ave SE, Washington, DC20020

Phone: 202-678-1515

Teachers: 6

Students: 83

Ratio: 14:1 Students/Teacher

Gender: 100% Male

Student/Teacher ratio

Enrollment
NA Private Elementary KG-8 5841 Chevy Chase Pkwy NW, Washington, DC20015

Grade Span: KG - 8

Admission: Private

Address: 5841 Chevy Chase Pkwy NW, Washington, DC20015

Phone: 202-966-6682

Teachers: 39

Students: 508

Ratio: 13:1 Students/Teacher

Gender: 49% Male / 51% Female

Student/Teacher ratio

Enrollment
NA Private Combined Elementary/Secondary PK-12 2001 Wisconsin Ave NW, Washington, DC20007

Grade Span: PK - 12

Admission: Private

Address: 2001 Wisconsin Ave NW, Washington, DC20007

Phone: 202-829-3700

Teachers: 44

Students: 478

Ratio: 11:1 Students/Teacher

Gender: 46% Male / 54% Female

Student/Teacher ratio

Enrollment
NA Private Elementary PK-KG 5608 Broad Branch Rd NW, Washington, DC20015

Grade Span: PK - KG

Admission: Private

Address: 5608 Broad Branch Rd NW, Washington, DC20015

Phone: 202-232-2233

Teachers: 2

Students: 2

Ratio: 1:1 Students/Teacher

Gender: 50% Male / 50% Female

Student/Teacher ratio

Enrollment
NA Private Elementary PK-8 210 S Carolina Ave SE, Washington, DC20003

Grade Span: PK - 8

Admission: Private

Address: 210 S Carolina Ave SE, Washington, DC20003

Phone: 202-355-4498

Website: http://www.chds.org/

Teachers: 35

Students: 203

Ratio: 6:1 Students/Teacher

Gender: 54% Male / 46% Female

Student/Teacher ratio

Enrollment
NA Private Elementary 2-6 725 8th St SE, Washington, DC20003

Grade Span: 2 - 6

Admission: Private

Address: 725 8th St SE, Washington, DC20003

Phone: 202-878-6917

Teachers: 3

Students: 12

Ratio: 5:1 Students/Teacher

Gender: 67% Male / 33% Female

Student/Teacher ratio

Enrollment
NA Private Elementary KG-6 201 Allison St NW Ste B, Washington, DC20011

Grade Span: KG - 6

Admission: Private

Address: 201 Allison St NW Ste B, Washington, DC20011

Phone: 202-722-1520

Website: http://www.cfmschool.org/

Teachers: 12

Students: 104

Ratio: 9:1 Students/Teacher

Gender: 48% Male / 52% Female

Student/Teacher ratio

Enrollment
NA Private Combined Elementary/Secondary KG-12 3742 Ely Pl SE, Washington, DC20019

Grade Span: KG - 12

Admission: Private

Address: 3742 Ely Pl SE, Washington, DC20019

Phone: 202-575-0027

Teachers: 18

Students: 160

Ratio: 9:1 Students/Teacher

Gender: 48% Male / 52% Female

Student/Teacher ratio

Enrollment
NA Private Elementary PK-KG 301 A St SE, Washington, DC20003

Grade Span: PK - KG

Admission: Private

Address: 301 A St SE, Washington, DC20003

Phone: 202-294-4799

Teachers: 2

Students: 4

Ratio: 2:1 Students/Teacher

Gender: 50% Male / 50% Female

Student/Teacher ratio

Enrollment
NA Private Combined Elementary/Secondary 6-12 4101 Connecticut Ave NW, Washington, DC20008

Grade Span: 6 - 12

Admission: Private

Address: 4101 Connecticut Ave NW, Washington, DC20008

Phone: 202-362-8882

Teachers: 44

Students: 333

Ratio: 8:1 Students/Teacher

Gender: 45% Male / 55% Female

Student/Teacher ratio

Enrollment
NA Private Elementary PK-1 4473 Connecticut Ave NW, Washington, DC20008

Grade Span: PK - 1

Admission: Private

Address: 4473 Connecticut Ave NW, Washington, DC20008

Phone: 202-966-7747

Website: http://www.franklinmontessori.com/

Teachers: 4

Students: 8

Ratio: 2:1 Students/Teacher

Gender: 100% Male

Student/Teacher ratio

Enrollment
NA Private Combined Elementary/Secondary 6-12 2000 Florida Ave NW, Washington, DC20009

Grade Span: 6 - 12

Admission: Private

Address: 2000 Florida Ave NW, Washington, DC20009

Phone: 202-244-0639

Teachers: 15

Students: 42

Ratio: 3:1 Students/Teacher

Gender: 67% Male / 33% Female

Student/Teacher ratio

Enrollment
NA Private Combined Elementary/Secondary PK-12 4200 Davenport St NW, Washington, DC20016

Grade Span: PK - 12

Admission: Private

Address: 4200 Davenport St NW, Washington, DC20016

Phone: 202-295-6127

Teachers: 149

Students: 1053

Ratio: 7:1 Students/Teacher

Gender: 47% Male / 53% Female

Student/Teacher ratio

Enrollment
NA Private Elementary PK-KG 1041 Wisconsin Ave NW, Washington, DC20007

Grade Span: PK - KG

Admission: Private

Address: 1041 Wisconsin Ave NW, Washington, DC20007

Phone: 202-337-8058

Teachers: 1

Students: 3

Ratio: 3:1 Students/Teacher

Gender: 67% Male / 33% Female

Student/Teacher ratio

Enrollment
NA Private Secondary 9-12 1524 35th St NW, Washington, DC20007

Grade Span: 9 - 12

Admission: Private

Address: 1524 35th St NW, Washington, DC20007

Phone: 202-337-3350

Website: http://www.visi.org/

Teachers: 46

Students: 509

Ratio: 11:1 Students/Teacher

Gender: / 100% Female

Student/Teacher ratio

Enrollment
NA Private Secondary 9-12 19 I St NW, Washington, DC20001

Grade Span: 9 - 12

Admission: Private

Address: 19 I St NW, Washington, DC20001

Phone: 202-336-7100

Website: http://www.gonzaga.org/

Teachers: 68

Students: 956

Ratio: 14:1 Students/Teacher

Gender: 100% Male

Student/Teacher ratio

Enrollment
NA Private Elementary PK-8 1325 36th St NW, Washington, DC20007

Grade Span: PK - 8

Admission: Private

Address: 1325 36th St NW, Washington, DC20007

Phone: 202-337-2339

Teachers: 32

Students: 314

Ratio: 10:1 Students/Teacher

Gender: 47% Male / 53% Female

Student/Teacher ratio

Enrollment
NA Private Secondary 9-12 801 Buchanan St NE, Washington, DC20017

Grade Span: 9 - 12

Admission: Private

Address: 801 Buchanan St NE, Washington, DC20017

Phone: 202-281-2700

Teachers: 7

Students: 44

Ratio: 6:1 Students/Teacher

Gender: 61% Male / 39% Female

Student/Teacher ratio

Enrollment
NA Private Combined Elementary/Secondary 6-12 4301 Harewood Rd NE, Washington, DC20017

Grade Span: 6 - 12

Admission: Private

Address: 4301 Harewood Rd NE, Washington, DC20017

Phone: 202-424-3780

Website: http://www.kirovacademydc.org/

Teachers: 11

Students: 77

Ratio: 7:1 Students/Teacher

Gender: 21% Male / 79% Female

Student/Teacher ratio

Enrollment

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