OFF MARKET

Off market jun 2025 for $540K

$608,619

Est. refi paymentEst. refi $2,183/mo

Studio

•

602

sq ft

300 Commercial St #310, Boston, MA 02109

About this home

The Mariner is a presitigious waterfront building with 24 hour doorperson and an amazing common roofdeck with breath-taking waterviews. Spacious studio with lovely kitchen with granite countertops & stainless appliances. In unit laundry, extraordinary closet/ storage, central air, high ceilings, oversized windows, & hardwood flooing make this a wonderful home. Originally constructed in 1911 as a warehouse for chocolate manufacturing and then repurposed for cold storage, The Mariner was converted to condos in 1987. Taxes do not include residential exemption of $3984.21.

CondoProperty Type

1911Year Built

602 sq ftLot Size

$1,011Est. Price/Sq.Ft.

Listed by Natalie Bassil • Gibson Sotheby's International Realty

Bought with Carmela Laurella • CL Properties

Redfin checked: 4 minutes ago

•Source:MLS PIN #73354304

Redfin Estimate

$608,619

$69K since sold in June 2025$4,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 1% lower than the average sale price ($614K) of 6 comparable homes.

SOLD BY REDFIN JUN 16, 2026
$680,000
A
1 bed1 bath680 sq ft
371 Hanover St #2, Boston, MA 02113
SOLD JUL 20, 2026
$570,000
B
1 bed1 bath493 sq ft
23 Fleet St #5, Boston, MA 02113
SOLD JUL 15, 2026
$529,900
C
1 bed1 bath700 sq ft
357 Commercial St #117, Boston, MA 02109
SOLD AUG 28, 2026
$787,000
D
2 beds1 bath722 sq ft
34 Clark St #5, Boston, MA 02109
SOLD JUN 22, 2026
$570,000
E
1 bed1 bath460 sq ft
8 Garden Ct #7, Boston, MA 02113
SOLD APR 30, 2026
$550,000
F
1 bed1 bath480 sq ft
7 Unity St #3, Boston, MA 02113

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Earn from this home

Sell

$155,456

Est. take-home

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Refinance

Est. cash available

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Rent

$2,246/mo

Redfin rental estimate

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Market trends in Waterfront, MA

Last updated September 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-List Price

95.1%

1.1% MoM

Median sale price

$1.2M

$228K MoM

Avg. days on market

68d

3 days MoM

Recently sold homes

1 MoM

New listings for sale

EARLY ACCESS
Unknown
2 beds2 baths1,097 sq ft
357 Commercial St #607, Boston, MA 02109
OPEN SAT, 11AM TO 12PM
$845,000
2 beds1.5 baths1,240 sq ft
357 Commercial St #516, Boston, MA 02109
See all

Provided by Redfin

Sale history for 300 Commercial St #310

Date

Event

Price

MLS PIN #73354304

Jun 2, 2025

Sold

$540,000

$897/sq ft

May 13, 2025

Contingent

—

Apr 28, 2025

Price Changed

$575,000

$955/sq ft

Apr 3, 2025

Listed

$599,000

$995/sq ft

MLS PIN #72306133

Jul 2, 2018

Sold

$550,000

$914/sq ft

May 7, 2018

Pending

—

Apr 10, 2018

Listed

$549,900

$913/sq ft

+20

Make yourself at home in this totally renovated Mariner Building pied-à-terre. Enjoy a large open kitchen with maple cabinets and granite counters while overlooking your sunny and spacious living area. This studio offers a separate office area, loads of closet storage space, and large windows looking out to Boston's oldest and most historic neighborhood. Sip your morning coffee or enjoy some wine after work from a huge common roofdeck with some of the most breathtaking views of the harbor, wharfs, and Boston's trendy Seaport District. The Mariner is a full-service, concierge building located on Boston's historic Waterfront and in the city's culturally vibrant North End.

MLS PIN #71515556

Jun 26, 2013

Sold

$407,500

$677/sq ft

May 27, 2013

Contingent

—

May 21, 2013

Price Changed

$419,000

$696/sq ft

Apr 26, 2013

Listed

$429,000

$713/sq ft

+10

Adorable and totally renovated studio with separate office area located in superb location in sought after "Mariner Condominiums" large open kitchen with maple cabinets and granite counters overlooking the sunny living area. Tons of closet and storage space. large renovated bathroom with marble floors and marble vanity top. Expansive common rooftop deck with 360 degree views unlike anywhere in the city. Steps to the North End and Faneuil Hall. Easy access to all major routes. 24 Doorman.

Public Records

Mar 18, 2009

Sold

$377,000

$626/sq ft

MLS PIN #70838205

Apr 2, 2009

Listing Removed

—

Mar 23, 2009

Sold

$377,000

$626/sq ft

Jan 26, 2009

Contingent

—

Jan 6, 2009

Price Changed

$389,000

$646/sq ft

Oct 23, 2008

Listed

$392,000

$651/sq ft

Public Records

Apr 30, 1999

Sold

$200,000

$332/sq ft

Year

Property tax

Land + Additions

Assessment*

2023

$5,985 (−0.3%)

$557,300

2022

$6,004 (+2.0%)

$551,800

2021

$5,888 (+7.7%)

$551,800

2020

$5,468 (−6.0%)

$517,800

2019

$5,816 (+3.6%)

$551,800

2018

$5,616 (+3.9%)

$535,900

2017

$5,405 (+1.6%)

$510,400

2016

$5,318 (+5.7%)

$483,480

2015

$5,032 (+3.0%)

$415,500

2014

$4,886 (+1.5%)

$388,400

2013

$4,814 (+5.8%)

$366,400

2012

$4,552 (+1.9%)

$349,100

2009

$4,465 (+9.8%)

$349,100

2006

$4,066

$382,500

Tax history for 300 Commercial St #310

Year

Property tax

Land + Additions

Assessment*

2023

$5,985 (−0.3%)

$557,300

2022

$6,004 (+2.0%)

$551,800

2021

$5,888 (+7.7%)

$551,800

2020

$5,468 (−6.0%)

$517,800

2019

$5,816 (+3.6%)

$551,800

2018

$5,616 (+3.9%)

$535,900

2017

$5,405 (+1.6%)

$510,400

2016

$5,318 (+5.7%)

$483,480

2015

$5,032 (+3.0%)

$415,500

2014

$4,886 (+1.5%)

$388,400

2013

$4,814 (+5.8%)

$366,400

2012

$4,552 (+1.9%)

$349,100

2009

$4,465 (+9.8%)

$349,100

2006

$4,066

$382,500

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Public record
Zoning

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

—

Year renovated

—

Sq. Ft.

602

Year built

1900

Style

Condo/Co-op

County

Suffolk County

APN

3343478

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 20, 2023.

NORTH END NEIGHBORHOOD-MFR/LS

RESTRICTED PARKING DISTRICT

RESTRICTED ROOF STRUCTURE DISTRICT

GCOD

CFROD

North End Neighborhood-Multifamily Residential/Local Services Subdistrict

The Multifamily Residential/Local Services Subdistricts are established to encourage medium-density multifamily areas with a variety of allowed housing types, including one-, two-, and three-family Dwellings, Row Houses, Town Houses, Multifamily Dwellings and ground floor commercial uses.

Zone overlays

Restricted Parking Districts
Restricted Roof Structure Overlay District In the East Boston Neighborhood District
Groundwater Conservation Overlay District
Coastal Flood Resilience Overlay District

Permitted uses

Include but are not limited to:

Community / recreation center
Religious facility
Day care facility
Housing-Group
Housing-Single unit
Housing-Multiple units
Housing-Senior
Bed & breakfast
Fire house
Police station

Property details

Parking

Parking Information
Has Open Parking
Parking Features: On Street

Interior

Bathroom Information
# of Bathrooms (Full): 1

Basement Information
Basement: N

Laundry Information
Laundry Features: In Unit

Interior Features
# of Rooms (Total): 1
Flooring: Wood

Exterior

Building Information
Building Area (Total): 602
Construction Materials: Brick
StructureType: High-Rise
Stories (Total): 1
Year Built Source: Public Records
Year Built Effective: 1987
Year Built Details: Approximate

Exterior Features
Roof: Rubber

Property Information
PropertySubType: Condominium
Property AttachedYN: Yes
Entry Level: 3

Lot Information
Lot Size (Acres): 0.01

Financial

Tax Information
Tax Annual Amount: $6,519.54
Tax Year: 2024

Utilities

Utility Information
Sewer: Public Sewer
Water Source: Public

Heating & Cooling
Has Heating
Has Cooling
Heating: Central
Cooling: Central Air

Location

HOA Information
Association Fee: $382.17
Association Fee Includes: Insurance, Security, Maintenance Structure, Maintenance Grounds, Snow Removal
Association Amenities: Elevator(s)

Location Information
Directions: Access Commercial Street from the Central Artery. The building is across from Commercial Wharf.
UnparsedAddress: 300 Commercial Street # 310, Boston MA 02109

Community Information
Senior CommunityYN: No
Community Features: Public Transportation, Shopping, Walk/Jog Trails, Medical Facility, Highway Access

Public facts

Beds: 1
Baths: 1.0
Sq. Ft.: 602
Stories: 1.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1900
Year Renovated: —
County: Suffolk County
APN: 3343478

Home facts updated by county records on Jul 20, 2023

Other

Miscellaneous Information
Heat Zones: 1

Listing Information
StandardStatus: Closed

About this building

1 for sale

300 Commercial St, Boston, MA 02109

See photos & sale trends

Photo via 300 Commercial St #202

Units for sale


512	$610,000	1 bed	1 bath	577 sq ft

Around this home

Schools

Eliot K-8 Innovation School

Public PreK-8 • Assigned • 0.1mi

9/10

Charlestown High School

Public 7-12 • Assigned • 1.2mi

3/10

Horace Mann School For The Deaf

Public PreK-12 • Assigned • 1.3mi

Quincy Upper School

Public 6-12 • Assigned • 1.4mi

3/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

8/10 Flood Factor

Estimated 80%+ chance of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

6/10 Heat Factor

7 days above 95° expected this year, 15 days in 30 years

6/10 Wind Factor

67% chance of strong winds in next 30 years

3/10 Air Factor

3 unhealthy days expected this year, 3 days in 30 years

Provided by First Street

Historical weather

Boston, MA • 02109

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 9.2 hours in June and 4.4 hours in December, placing it below the U.S. average for solar exposure.

9.2 hrs

4.4 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$579,000 – $700,000

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Home values near 300 Commercial St #310

Data from public records.

Address	Redfin Estimate
300 Commercial Street #206, Boston, MA 2 Beds \| 1 Baths \| 756 Sq. Ft.	$762,776
300 Commercial Street #311, Boston, MA 1 Beds \| 1 Baths \| 617 Sq. Ft.	$653,257

Address	Redfin Estimate
300 Commercial Street #215, Boston, MA 2 Beds \| 1.5 Baths \| 1345 Sq. Ft.	$1,238,800
300 Commercial Street #312, Boston, MA 1 Beds \| 1 Baths \| 642 Sq. Ft.	$636,550

Address	Redfin Estimate
300 Commercial Street #304, Boston, MA 2 Beds \| 2 Baths \| 1145 Sq. Ft.	$1,557,024
300 Commercial Street #314, Boston, MA 1 Beds \| 1 Baths \| 585 Sq. Ft.	$682,002

Property information provided by MLS PIN when last listed in 2025. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in Waterfront, MA

Sale history for 300 Commercial St #310

Tax history for 300 Commercial St #310

Public record

Property details

About this building

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 02109

Home values near 300 Commercial St #310

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