300 Commercial Street # 512 Boston, MA $ 610,000
300 Commercial Street # 512
$ 610,000
Recently Listed
Open House 9/19 11am - 1pm
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300 Commercial Street # 512

Boston, MA, 02109
$ 610,000
Bedrooms1 Baths1.0 Sq 577

Monthly Estimate*

$ 3,852

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Condo for sale in Boston, MA

for $610,000 with 1 bedroom and 1 full bath. This 577 square foot condo was built in 1900.

Welcome home to Boston's waterfront at The Mariner, where the comforts of a full-service elevator building meet harbor living. This inviting one-bedroom residence features an open-concept main living area with high ceilings that flows out to a private, covered balcony, the perfect spot for morning coffee or hosting with a view of the city skyline. Other defining features include central air conditioning, in-unit laundry, and recessed lighting. Residents of The Mariner enjoy 24-hour concierge service, plus access to an oversized, furnished common roof deck with sweeping panoramic views of Boston Harbor. Originally built in 1911 and converted to condos in 1987, the building itself carries the character of Boston's storied waterfront. Recent noteworthy capital improvements within the association include a new cooling tower and boiler, roof, exterior façade coating, and an updated lobby and hallways. Improvements within the unit include a new HVAC system (2023), refrigerator (2023), and dishwasher (2023), washer and dryer (2022). Ideally located just steps from the Historic North End harborwalk, Hanover Street restaurants, the Financial District, and TD Garden. Pets are permitted with trustee approval.

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Open House

9/19/2026 11:00 AM - 1:00 PM
9/20/2026 11:00 AM - 1:00 PM
300 Commercial Street # 512 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

$ 610,000

Bedrooms

1

Full Bath

1

Property Type

Condo

Taxes

$ 6,620

Style

Mid-Rise

Year Built

1900

Town/City

Boston

County/Region

Suffolk

MLS | Web ID

73578792

List By
Boston Real Estate Group

Listing Agent

Compass

Broker

Affordability Calculator

$4,403
Per Month
87%
13%
0%
Monthly Principal & Interest
$3,852
Monthly Property Taxes
$552
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.
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Pricing History
DatePricePrice ChangeDescription
9/17/2026$610,000 Listed Price

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300 Commercial Street # 512, Boston, MA, 02109 is a Condo for sale at $610,000 with 577 sqft. 300 Commercial Street # 512 has 1 bedrooms, 1.0 baths, and was built in 1900. The property's zip code is 02109 which is in Boston, MA