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1701 18th St Nw #401, 
Washington, DC 20009

$1,649,900


3

Beds


3

Baths


1,641

Sq Ft


Condo


Virtual Tour

Active

Listed by

Christopher R Sanders

Century 21 Redwood Realty

Last updated:

May 24, 2026, 01:44 PM

MLS#

DCDC2250474

Source:

BRIGHTMLS

About This Home

1701 18th St Nw #401

The Duncan Penthouse | Where Historic Charm Meets Modern Urban LivingExperience 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, cafÁ©s, 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.

Home Facts

Condo

3 Baths

3 Bedrooms

Built in 1906

Price Summary

1,649,900

$1,005 per Sq. Ft.

MLS #:

DCDC2250474

Last Updated:

May 24, 2026, 01:44 PM

Added:

2 month(s) ago


Rooms & Interior

Bedrooms

Total Bedrooms:

3

Bathrooms

Total Bathrooms:

3

Full Bathrooms:

3

Interior

Living Area:

1,641 Sq. Ft.


Structure

Structure

Architectural Style:

Federal

Building Area:

1,641 Sq. Ft.

Year Built:

1906


Finances & Disclosures

Finances

Price:

$1,649,900

Price per Sq. Ft:

$1,005 per Sq. Ft.

Source:BRIGHTMLS
The information being provided by Bright Mls is for the consumer’s personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The information is deemed reliable but not guaranteed and should therefore be independently verified. © 2026 Bright Mls All rights reserved.

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.