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300 Commercial St # 502, Boston MA 02109

Boston, MA 02109
$599,000
Est. $4,137/month
1
Beds
1
Baths
553
Sq Ft
$1,083
Price/Sq Ft
0.01
Acres
1900
Year Built
Condominium
Type
14 hours 30 minutes
Time on Market
Active Listed Apr 10, 2026 • MLS# 73499907 Copied!

About this home

Located in the distinctive Mariner Condominium, a full-service, professionally managed elevator building with 24/7 concierge. Recent upgrades include a renovated lobby and hallways, façade restoration, new HVAC systems, and a new roof and roof deck with stunning 360° harbor and city views. This beautifully renovated 5th-floor studio features an open layout with hardwood floors throughout. Oversized windows provide abundant natural light with cityscape and partial harbor views. The galley kitchen offers stainless steel appliances, quartz countertops, and custom cabinetry. Full bath with vanity sink and two spacious closets for storage. Bosch in-unit washer/dryer. Ideally located in Boston’s Waterfront near the North End, with easy access to Faneuil Hall, Quincy Market, Seaport, Financial District, North Station, public transit, and major highways. Garage parking available. Taxes do not reflect residential exemption.

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Property Overview

Property Type
Condominium
Listing Type
For Sale
Year Built
1900
Bedrooms
1
Full Bathrooms
1
Living Area
553 sq ft
Total Rooms
3
Stories
1
Entry Level
5

Facts & Features

Central AC

Home Facts

Type Residential
Style Condominium
Year Built 1900
Living Area 553 sq ft
Lot Size 0.01 acres
Bedrooms 1
Full Baths 1
Total Rooms 3

Interior

Heating Central, Heat Pump
Cooling Central Air, Heat Pump
Flooring Wood
Appliances Range, Dishwasher, Disposal, Microwave, Refrigerator
Fireplace None
Basement N
Laundry In Unit
Features None

Exterior

Construction Brick, Stone
Architecture None
Roof Rubber
Features None
Pool None
Spa None
Fencing None
Patio/Porch None

Parking

Has Garage Yes
Features Under, Rented, Available For Purchase

Utilities

Electric None
Water Public
Sewer Public Sewer
Gas None
Other None

Financial

Annual Tax $5,866
Assessed Value $506,600

Interior Features

Flooring: Wood
Appliances: Range, Dishwasher, Disposal, Microwave, Refrigerator
Interior Features:
Windows:
Basement: N
Laundry: In Unit
Security: Concierge

Construction & Materials

Year Built: 1900
Effective Year (Renovated): 1987
Structure Type: Mid-Rise
Exterior Materials: Brick, Stone
Roof: Rubber
Foundation:
Stories: 1

Heating, Cooling & Utilities

Heating: Central, Heat Pump
Cooling: Central Air, Heat Pump
Hot Water:
Water Source: Public
Sewer: Public Sewer
Energy Features:

Exterior & Lot

Exterior Features:
Patio & Porch:
Fencing:
Other Structures:
Lot Features:
Road Surface:

Parking & Garage

Garage Type: Attached
Parking Features: Under, Rented, Available for Purchase

Special Features

Waterfront: Yes
Waterfront Type: Waterfront, Ocean, Harbor
Community Amenities: Public Transportation, Shopping, Tennis Court(s), Park, Walk/Jog Trails, Medical Facility, Laundromat, Bike Path, Highway Access, Marina, Private School, Public School, T-Station, University, Other

Location

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Neighborhood

300 Commercial St # 502, Boston MA 02109

Boston, MA 02109

Walkability

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Nearby Schools

School information not available for this location.

Monthly Payment Calculator

Monthly Payment
$0
Principal, interest, taxes & insurance
Loan Amount
$0
After down payment
Total Interest
$0
Over life of loan
Total Cost
$0
Including down payment
%
Down: $0
%

Monthly Payment Breakdown

Principal & Interest $0
Property Tax $489
Homeowners Insurance $200
HOA Fee $419/mo
PMI (if <20% down) $0

Loan Summary

Total of 360 payments $0
Total principal paid $0
Total interest paid $0

Rate Impact

-0.5% Rate
$0/mo
Save $0/mo
Current Rate
$0/mo
+0.5% Rate
$0/mo
Cost $0/mo

Payment Over Time

Interest
Principal
Year 1
95% Interest
Year 15
50/50
Year 30
95% Principal
* Estimates only. Actual payments may vary. Consult with a lender for accurate figures.

Property History

Property Timeline

🏠
Listed for Sale
Apr 10, 2026
$599,000
Original listing
Agent: Dave White Office: OwnerEntry.com

Price & Status History

Date Event Price Change
Apr 10, 2026 New Listing Added $599,000 —

Market Statistics

Time on Market
14 hours 30 minutes
Price per Sq Ft
$1,083

Tax History

Year Taxes Assessment
2025 $5,866 $506,600

Financial Details

Annual Property Tax
$5,866
Tax Year 2025
HOA Fee
$419
Monthly
Assessed Value
$506,600

Listing Information

Listing Agent Dave White
Listing Office OwnerEntry.com
Agent MLS ID CT005585
Office MLS ID AN3697
Listing Data Updated Apr 11, 2026 3:30 AM EDT
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.

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