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21 Oak St #1, 
Boston, MA 02129

$1,197,500

2

Beds

2

Baths

1,581

Sq Ft

Condo

Virtual Tour

Active

Listed by

Lisa Sheehan

Berkshire Hathaway HomeServices Robert Paul Properties

617-262-1414

Last updated:

May 1, 2026, 10:47 AM

MLS#

73491508

Source:

MLSPIN

About This Home

21 Oak St #1

Prime Location Meets Contemporary Luxury! This custom-designed duplex offers nearly 1,600 sq ft of sophisticated living across two levels in a welcoming Charlestown neighborhood. The bright open-concept layout features hardwood floors throughout, windows on three sides equipped with custom remote-control shades, and a striking double-sided gas fireplace connecting the foyer to the living area.A chef’s kitchen boasts stainless appliances, granite countertops, wood cabinetry, and a breakfast bar. The spacious primary suite features dual closets and a newly remodeled spa-style bath, complemented by a generous second bedroom and guest half-bath.Additional upgrades include a new furnace and tankless water heater. Enjoy the convenience of private deeded parking, central air, in-unit laundry, and extra storage. Live steps from Whole Foods and Charlestown’s best dining, including Monument Restaurant & Prima, and Warren Tavern. With easy access to parks and transit.

Home Facts

Condo

2 Baths

2 Bedrooms

Built in 1920

Price Summary

1,197,500

$757 per Sq. Ft.

MLS #:

73491508

Last Updated:

May 1, 2026, 10:47 AM

Rooms & Interior

Bedrooms

Total Bedrooms:

2

Bathrooms

Total Bathrooms:

2

Full Bathrooms:

1

Interior

Living Area:

1,581 Sq. Ft.

Structure

Structure

Building Area:

1,581 Sq. Ft.

Year Built:

1920

Lot

Lot Size (Sq. Ft):

4,791

Finances & Disclosures

Finances

Price:

$1,197,500

Price per Sq. Ft:

$757 per Sq. Ft.

Source:MLSPIN
The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information, and the Images, are for the personal, non-commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLS Property Information Network, Inc. and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the Images, set forth herein.
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21 Oak St #1
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Sat, May 2
11:00 AM - 12:15 PM

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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.