Recently Listed Open House 8/29 10:30am - 11:30am
77 Old Harbor St # 3
Boston, MA, 02127 $ 679,900
Bedrooms2 Baths1.0 Sq 650 Monthly Estimate*
$ 4,293
for $679,900 with 2 bedrooms and 1 full bath. This 650 square foot condo was built in 1905.
Enjoy some of South Boston's best views from your own expansive private roof deck, with the ocean beyond M Street Beach on one side and the Boston skyline and Prudential Center on the other. Exclusively for this unit and accessed directly from inside the home by a private staircase, this incredible rooftop retreat with electricity offers an exceptional extension of the living space—perfect for entertaining friends, outdoor dining, morning coffee, or unwinding as the sun sets over the city. Inside, this turnkey, top-floor 2-bedroom, 1-bath residence combines comfort and character with hardwood floors throughout, central A/C, in-unit laundry, and a gas fireplace in the living room. The kitchen features stone countertops, stainless steel appliances, a gas range, and peninsula seating, while the bathroom is finished with a marble vanity. Dedicated basement storage provides additional space for bikes, beach gear, and everyday essentials.The location puts the best of South Boston right outside your door. Thomas Park is just a minute away, with M Street Beach, the neighborhood dog park, athletic fields, and Broadway's restaurants, shops, and neighborhood favorites all within an easy five-minute walk. Set atop an intimate three-unit building, this is a rare opportunity to pair a turnkey South Boston home with truly exceptional private outdoor space, incredible views, and outstanding walkability.
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Open House
8/29/2026 10:30 AM - 11:30 AM
8/30/2026 11:30 AM - 12:30 PM
77 Old Harbor St # 3 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
Affordability Calculator
- Monthly Principal & Interest
- $4,293
- Monthly Property Taxes
- $271
- Monthly Home Insurance
- --
Default based on a 30-year fixed rate of 6.49% 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.
Learn more about how to save NearbyCondo listings in Boston, MA
Average List Price $1,551,998
Percent of Sale Price 128%
About Boston, MA 685,111 Population
16% Since 2002
$ 65,384 Median Income
34.81 Median Age
20% Households with Children
Trends Information provided by ATTOM Data Solutions.
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Pricing History| Date | Price | Price Change | Description |
|---|
| 8/25/2026 | $679,900 | | Listed Price |