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$1,699,900

  • For Sale
  • Active
  • Condo
  • 3 Beds
  • 3 Full Baths
  • 1,641 Sq. Ft.
  • 1 Car Garage
  • Updated 11 days ago
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The Duncan Penthouse | Where Historic Charm Meets Modern Urban Living Experience boutique living at its best in this rare two-level, three-bedroom, three-bath penthouse at The Duncan, an exclusive nine-residence condominium steeped in architectural history. Originally built in 1906 by Hornblower & Marshall and reimagined for contemporary living, The Duncan offers a perfect balance of timeless craftsmanship and modern sophistication. Residence 401 impresses from the moment you enter - with 15-foot vaulted ceilings, dramatic natural light from three exposures and skylights, and warm maple flooring throughout. The spacious living area centers around a wood-burning fireplace, creating the perfect backdrop for elegant entertaining or quiet evenings at home. The chef's kitchen showcases Sub-Zero and Wolf appliances, wrap-around cabinetry, and expansive prep space, seamlessly connecting to the living and dining areas. Two wet bars, each with a wine cooler - one on the main level and another off the private roof terrace - make entertaining effortless indoors or out. The primary suite offers a serene escape with radiant-heated bathroom floors, generous closets, and abundant natural light. Two additional bedrooms and full baths provide flexible space for guests, work, or leisure. Enjoy panoramic city views from your private roof deck - ideal for al fresco dining or sunset cocktails. Additional amenities include secure garage parking, private storage, in-unit laundry, elevator access, and pet-friendly living. Perfectly positioned in the heart of Dupont Circle, The Duncan Penthouse puts you steps from the Red Line Metro, acclaimed restaurants, cafés, shops, and vibrant nightlife. With a Walk Score of 98, this penthouse combines rare privacy, refined scale, and one of DC's most coveted addresses.

Full Property Details for 1701 18th St NW #401

General

  • Price: $1,699,900
  • HOA FEE: $1,032/month
  • Taxes: $11,525 (2025)
  • Status: Active
  • Type: Condo
  • Source: BrightMLSMidAtlantic
  • MLS ID: DCDC2250474
  • Updated: 3/19/2026
  • Added to Site: 13 day(s) ago

Interior

  • Number of Rooms: 9
  • Rooms/Areas: Living Room, Dining Room, Primary Bedroom, Bedroom 2, Kitchen, Bedroom 1, Bathroom 1, Bathroom 2, Primary Bathroom
  • Interior Features: Bar, Built-Ins, Ceiling Fan(s), Entry Level Bedroom, Formal/Separate Dining Room, Kitchen - Gourmet, Primary Bath(s), Skylight(s), Spiral Staircase, Walk-in Closet(s), Window Treatments, Wood Floors
  • Fireplace: Yes
  • Number of Fireplaces: 1
  • Fireplace(s): Mantel(s)
  • Appliances: Built-In Microwave, Dishwasher, Disposal, Dryer, Range Hood, Refrigerator, Stainless Steel Appliances, Washer, Water Heater
  • Flooring: Hardwood

Rooms

Bathrooms

  • Total Bathrooms: 3
  • Full Bathrooms: 3
  • Upper Floor Baths: 1
  • Upper - Full Baths: 1
  • Main Floor Baths: 2
  • Main - Full Baths: 2

Bedrooms

  • Total Bedrooms: 3
  • Bedrooms Upper: 1
  • Bedrooms Main & Up: 2

Other Rooms

  • Laundry: Main Floor, Washer In Unit, Dryer In Unit

Additional Information

  • Shared Amenities: Common Grounds, Elevator
  • Security/Safety: Main Entrance Lock

Parking

  • Garage: Yes
  • Garage Spaces: 1
  • Total Spaces: 1
  • Parking Type: Attached Garage
  • Garage Description: Additional Storage Area, Basement Garage, Garage - Side Entry

Location

  • County: WASHINGTON
  • Subdivision: DUPONT
  • Building Name: OLD CITY II
  • Cross Streets: R St NW
  • Driving Directions: Between R & S NW, on 18th
  • Direction Faces: West
  • City Limits: Yes

School Information

  • School District: District Of Columbia Public Schools
  • Elementary School: Ross
  • High School: Cardozo Education Campus

Community

  • Assoc. Fees Include: Common Area Maintenance, Ext Bldg Maint, Insurance, Lawn Maintenance, Management, Reserve Funds, Sewer, Trash, Water
  • Pets Allowed: Yes
  • Pets: Cats OK, Dogs OK

Heating & Cooling

  • Central air: Yes
  • Cooling Type: Central A/C, Ceiling Fan(s)
  • Cooling Fuel: Electric
  • Heating Type: Forced Air
  • Heating Fuel: Natural Gas
  • Water Heater: Natural Gas

Utilities

  • Sewer: Public Sewer
  • Water: Public

Structural Information

  • Architectural Style: Federal
  • Structure Type: Garden 1 - 4 Floors
  • Construction: Brick
  • Roof: Flat
  • Walls/Ceilings: Dry Wall
  • Windows: Energy Efficient, Double Pane
  • Entry Floor Number: 1
  • Elevator(s ): 1
  • Stories Description: Main, Upper 1
  • Square Feet: 1,641
  • Sq. Ft. Source: Assessor
  • Living Area: 1,641 Sq. Ft.
  • Finished Above Grnd: 1,641 Sq. Ft.
  • Year Built: 1906
  • Year Built Source: Assessor

Lot Features

  • Property View: City
  • Zoning: RES

Financial Considerations

  • Price Per Sq. Ft.: $1,035.89
  • Condo Fee: $1,032
  • Condo Fee Freq: Monthly
  • Assessment Year: 2025
  • City/TownTax: $11,525
  • City/TownTax Freq: Annually
  • Tax w/Assessment: $1,459,970
  • Tax Amount: $11,525
  • Tax Year: 2025

Disclosures and Reports

  • Ownership: Condominium
  • Condo: Yes
  • Lot Number: 2076

Listed by Century 21 Redwood Realty, Christopher R Sanders

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Listing agent

— 1701 18th St NW #401 —

  • Christopher R Sanders

    Century 21 Redwood Realty

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 1701 18th St NW #401

School District:District of Columbia Public Schools
NameGradesDistance
Ross Elementary School
1730 R Street Northwest, Washington, DC 20009
K-50.1 mi
School Without Walls @ Francis-Stevens
800 Euclid Street Northwest, Washington, DC 20001
K-81.2 mi
Cardozo Education Campus
1200 Clifton Street Northwest, Washington, DC 20009
9-120.9 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 1701 18th St NW #401 Get Price Alerts and Save Property

Date
Details
Price
Change
Source
3/19/2026
Listed
$1,699,900
7.93%
MLS
3/16/2018
Sold
$1,575,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 1701 18th St NW #401

Year
Property Taxes
Change
Tax Assessment
Change
2025
$11,525
-5%
$1,461,430
-4%
2024
$12,117
—
$1,527,750
—
2023
$12,132
-1%
$1,527,750
—
2022
$12,200
8%
$1,527,750
8%
2021
$11,294
8%
$1,418,940
—
2020
$10,457
10%
$1,417,500
19%
2019
$9,514
-3%
$1,194,140
3%
2018
$9,832
2%
$1,156,760
2%
2017
$9,658
—
$1,136,290
—
2016
$9,631
3%
$1,133,110
3%
2015
$9,341
-3%
$1,098,950
-3%
2014
$9,593
—
$1,128,560
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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*These costs are estimates, and the interest rates assume exceptional credit standing.

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NMLS#: 1598647

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Listed by Century 21 Redwood Realty, Christopher R Sanders

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1701 18th Street NW #401, Washington, DC 20009 (MLS# DCDC2250474) is a Condo property with 3 bedrooms and 3 full bathrooms. 1701 18th Street NW #401 is currently listed for $1,699,900 and was received on March 19, 2026. Want to learn more about 1701 18th Street NW #401? Do you have questions about finding other Condo real estate for sale in Anacostia? You can browse all Anacostia real estate or contact a Coldwell Banker agent to request more information.

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