21 Oak St # 1 Boston, MA $ 1,297,500
21 Oak St # 1
$ 1,297,500
Recently Listed
Open House 3/28 11:30am - 1pm
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21 Oak St # 1

Boston, MA, 02129
$ 1,297,500
Bedrooms2 Baths1.1 Sq 1,581

Monthly Estimate*

$ 7,989

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Condo for sale in Boston, MA

for $1,297,500 with 2 bedrooms and 1 full bath, 1 half bath. This 1,581 square foot condo was built in 1920 on a lot size of 0.11.

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.

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Open House

3/28/2026 11:30 AM - 1:00 PM
3/29/2026 11:30 AM - 1:00 PM
21 Oak St # 1 Boston, MA
* 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

$ 1,297,500

Bedrooms

2

Full Bath

1

Half Bath

1

Property Type

Condo

Taxes

$ 13,562

Style

2/3 Family

Lot Size

0.11

Year Built

1920

Town/City

Boston

County/Region

Suffolk

MLS | Web ID

73491508

List By
Lisa Sheehan

Listing Agent

Berkshire Hathaway Homeservices Robert Paul Properties

Broker

Affordability Calculator

$9,119
Per Month
88%
12%
0%
Monthly Principal & Interest
$7,989
Monthly Property Taxes
$1,130
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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Pricing History
DatePricePrice ChangeDescription
3/25/2026$1,297,500 Listed Price

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21 Oak St # 1, Boston, MA, 02129 is a Condo for sale at $1,297,500 with 1,581 sqft and a lot size of 0.11. 21 Oak St # 1 has 2 bedrooms, 1.1 baths, and was built in 1920. The property's zip code is 02129 which is in Boston, MA