9 O St. # 1 Boston, MA ^$ 725,000

9 O St. # 1

^$ 725,000

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Open House 2/26 4pm - 5pm

9 O St. # 1

Boston, MA, 02127

^$ 725,000

Bedrooms2 Baths1.0 Sq 739

Monthly Estimate*

^$ 4,464

9 O St. # 1, Boston, MA 02127 - Image 10

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Condo for sale in Boston, MA

for $725,000 with 2 bedrooms and 1 full bath. This 739 square foot condo was built in 1929.

Introducing 9 O Street #1, a standout East Side residence offering the ideal blend of location, design, and outdoor living. This beautifully renovated two-bedroom home features an oversized private patio- a rare and highly sought after extension of the living space, perfect for entertaining, dining, or relaxing. Ideally positioned just a block from Castle Island, the waterfront, and South Boston’s premier restaurants, shops, and neighborhood amenities, the setting delivers exceptional convenience and lifestyle appeal. The bright, airy interior was thoughtfully renovated in 2017 with timeless finishes and modern upgrades throughout, including a custom kitchen with marble countertops, stainless steel appliances, and classic shaker cabinetry. Additional highlights include hardwood floors, in-unit laundry, and exposed brick. The spacious primary bedroom offers storage and charming bow-front windows, completing this move-in-ready offering in one of South Boston’s most desirable locations.

Open House

2/26/2026 4:00 PM - 5:00 PM

2/28/2026 12:00 PM - 1:00 PM

9 O 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

^$ 725,000

Bedrooms

Full Bath

Property Type

Condo

Taxes

^$ 7,959

Style

2/3 Family

Year Built

1929

Town/City

Boston

County/Region

Suffolk

MLS | Web ID

73479602

List By

Joseph Barka

Listing Agent

Compass

Broker

Affordability Calculator

$5,127

Per Month

Monthly Principal & Interest: $4,464
Monthly Property Taxes: $663
Monthly Home Insurance: --

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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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Trends

Condo listings in Boston, MA

Average List Price ^$1,782,909

Percent of Sale Price 146%

About Boston, MA

685,111 Population

16% Since 2002

^$65,384 Median Income

34.81 Median Age

20% Households with Children

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Neighborhood & Schools

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Pricing History

Date	Price	Price Change	Description
2/24/2026	$725,000		Listed Price

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9 O St. # 1, Boston, MA, 02127 is a Condo for sale at $725,000 with 739 sqft. 9 O St. # 1 has 2 bedrooms, 1.0 baths, and was built in 1929. The property's zip code is 02127 which is in Boston, MA

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: 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.

Data is updated as of 2/25/2026.

The real estate information and related content displayed on this site is provided for consumers' 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 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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9 O St. # 1

Condo for sale in Boston, MA

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