1701 18Th Street NW # 401 Washington, DC $ 1,699,900
1701 18Th Street NW # 401
$ 1,699,900
Recently Listed
Open House 3/21 1pm - 3pm
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1701 18Th Street NW # 401

Washington, DC, 20009
$ 1,699,900
Bedrooms3 Baths3.0 Sq 1,641

Monthly Estimate*

$ 10,467

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Condo for sale in Washington, DC

for $1,699,900 with 3 bedrooms and 3 full baths. This 1,641 square foot condo was built in 1906.

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, cafs, 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.

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Open House

3/21/2026 1:00 PM - 3:00 PM
3/22/2026 1:00 PM - 3:00 PM
1701 18Th Street NW # 401 Washington, DC
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Condo Active

Price

$ 1,699,900

Bedrooms

3

Full Bath

3

Property Type

Condo

Taxes

$ 11,525

Style

Federal

Year Built

1906

Town/City

Washington

County/Region

District of Columbia

MLS | Web ID

DCDC2250474

Features
General
Living Area 1641
Sewer Public Sewer
Heating Forced Air
Cooling Central A/C Ceiling Fan(s)
Possession Negotiable
Roof Flat
Appliances Built-In Microwave Dishwasher Disposal Dryer Range Hood Refrigerator Stainless Steel Appliances Washer Water Heater
Zoning RES
Garage Spaces 1.00
Association Fee Includes Common Area Maintenance Ext Bldg Maint Insurance Lawn Maintenance Management Reserve Funds Sewer Trash Water
Architectural Style Federal
Security Features Main Entrance Lock
Construction Materials Brick
School District DISTRICT OF COLUMBIA PUBLIC SCHOOLS
Year Built 1906
View City
Levels 2
Unit Number 401
Tax Year 2025
Ownership Condominium
Cool Fuel Electric
Building Name OLD CITY II
Accessibility 32 + wide Doors
HOA Fee 2 1032.09
County WASHINGTON
New Construction N
Property Type Residential
Association Amenities Common Grounds Elevator
HOA N
Subdivision Name DUPONT
Facing Direction West
Garage Y/N Y
Water Access Y/N N
Other Structures Above Grade Below Grade
Total Rooms 9
Full Baths 3
Status ACTIVE
Directions Between R & S NW on 18th
City WASHINGTON
Disclosures Lead Based Paint - Federal Lead Based Paint - State Prop Disclosure Subject to Condo/HOA Docs
Senior Community Y/N N
HOA Fee 2 Frequency Monthly
Tax Annual Amount 11525.0
Home Warranty Y/N N
Structure Type Unit/Flat/Apartment
Condo/Coop Association fee Y/N Y
Bathrooms Full Main Level 2
Bathrooms Count Main Level 2.00
Price Per Sq Ft Total AG 1035.89
Acceptable Financing Conventional Cash
Additional Parcels Y/N N
Historic Y/N N
Lease Considered Y/N N
Vacation Rental Y/N N
Virtual Tour https://listings.peterpapoulakos.com/sites/aegpoza/unbranded
Standard Status Active
Year Built Source Assessor
Legal Subdivision OLD CITY II
Tax Lot 2076
Association Recreation Fee N
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Interior
Interior Amenities 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
Heating Fuel Natural Gas
Flooring Hardwood
Total Fireplaces 1
Fireplace Features Mantel(s)
Hot Water Natural Gas
Basement (Y/N) N
Heating Y/N Y
Window Features Energy Efficient Double Pane
Fireplace Y/N Y
Above Grade Finished Area 1641
Half Baths 0
Central Air Y/N Y
Total Bedrooms 3
Below Grade Finished Area 0
Entry Level 1
Room Type Living Room Dining Room Primary Bedroom Bedroom 2 Kitchen Bedroom 1 Bathroom 1 Bathroom 2 Primary Bathroom
Main Level Bedrooms 2
Below Grade Finished Area Unit Type Square Feet
Laundry Type Main Floor Washer In Unit Dryer In Unit
Below Grade Finished Area Source Assessor
Above Grade Finished Area Source Assessor
Above Grade Finished Area Unit Type Square Feet
Total Baths 3
Number of Elevators 1
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Exterior
Pool No Pool
Water Source Public
Garage Features Additional Storage Area Basement Garage Garage - Side Entry
Type of Parking Attached Garage
Spa N
Water View Y/N N
Waterfront Y/N N
Soil Types Urban Land-Sassafras-Chillum
Horse Y/N N
Land Assessed Value 437990.00
Navigable Water Y/N N
Water Oriented Y/N N
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Internal Only
Street Number 1 1701
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* Excluded Features
List By
Century 21 Redwood Realty

Broker

chris@chrissandersgroup.com

Email

Affordability Calculator

$11,427
Per Month
92%
8%
0%
Monthly Principal & Interest
$10,467
Monthly Property Taxes
$960
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
3534883 Elementary School
3533273 Middle School
Cardozo Education Campus High School High School
Pricing History
DatePricePrice ChangeDescription
3/20/2026$1,699,900 Listed Price

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1701 18Th Street NW # 401, Washington, DC, 20009 is a Condo for sale at $1,699,900 with 1,641 sqft. 1701 18Th Street NW # 401 has 3 bedrooms, 3.0 baths, and was built in 1906. The property's zip code is 20009 which is in Washington, DC