343 Commercial St # 114, Boston MA 02109
Boston, MA 02109 • Waterfront
$4,050,000
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Sale Statistics
Sale Overview
Original List Price:
$4,495,000
Final Sale Price:
$4,050,000
Difference:
$445,000 (-9.9%)
Performance Metrics
90.1%
List to Sale Ratio
Sold below asking price
52
Days on Market
Average time
Price per Square Foot Analysis
Original $/sq ft:
$1,124
Sale $/sq ft:
$1,013
This property sold for $1,013 per square foot
Sale Summary
This property sold for 9.9% below the original asking price.
The property spent 52 days on market before selling.
About this home
A Waterfront loft has been extensively gut renovated and assembled with the finest materials, attention to detail, and expert craftsmanship. Ideally situated on the Southeastern corner of prestigious Union Wharf, this exceptional home enjoys easterly views over Boston Harbor. Boasting a contemporary floor plan comprised of 4,000+- sq ft of chic and luxurious living space, this trophy home has a gourmet kitchen with waterfall counters that flow into a custom walnut built-in dinging table, floor to ceiling temperature controlled wine storage, double ovens, induction cooking and pantry. A commanding master suite is complete with a floating tub, double vanity, walk-in shower and two walk-in closets. A masterpiece glass and walnut staircase leads to a lower level with 3 generous bedrooms plus a study/5th bedroom, two spa-like bathrooms, massive family room with custom built-ins and a large laundry room! 2 parking spaces, 24 hour concierge/security, common swimming pool and common deck!
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Property History
Market Insights
16.6%
Price Range
340
Total Days on Market
1
Previous Sales
Property Timeline
Previous Transaction - MLS #73284061
Full transaction history available when tracking began
Previously Sold
Jun 3, 2025
$3,750,000
MLS #73284061
Sold
Dec 7, 2017
$4,050,000
Property sold
Days on Market: 340
Listed for Sale
Aug 10, 2017
$4,495,000
Original listing
Agent: Michael Harper
Office: Coldwell Banker Residential Brokerage-Boston-Commonwealth Avenue
| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 06/03/2025 | 🏷️ Previously Sold | $3,750,000 | - | - | MLS #73284061 |
| 12/07/2017 | ✓ Sold | $4,050,000 | - | - | Property sold |
| 08/10/2017 | 🏠 Listed for Sale | $4,495,000 | - | - | Original listing |
Tax History
| Year | Taxes | Assessment |
|---|---|---|
| 2017 | $34,269 | $3,236,016 |
Financial Details
Annual Property Tax
$34,269
Tax Year 2017
HOA Fee
$1,933
Monthly
Assessed Value
$3,236,016
Facts & Features
Central AC
Home Facts
Type
Residential
Style
Condominium
Year Built
1875
Living Area
4,000 sq ft
Lot Size
0.09 acres
Bedrooms
4
Full Baths
3
Half Baths
1
Total Rooms
8
Interior
Heating
Forced Air
Cooling
Central Air
Flooring
Wood
Appliances
None
Fireplace
None
Basement
Y
Laundry
In Unit
Features
None
Exterior
Construction
Stone
Architecture
None
Roof
None
Features
None
Pool
Association, In Ground
Spa
None
Fencing
None
Patio/Porch
None
Parking
Features
Off Street, Leased
Total Spaces
2
Utilities
Electric
None
Water
Public
Sewer
Public Sewer
Gas
None
Other
None
Financial
Annual Tax
$34,269
Assessed Value
$3,236,016
HOA & Community
HOA Fee
$1,933 Monthly
Fee Includes
Water, Sewer, Insurance, Security, Maintenance Structure, Maintenance Grounds, Snow Removal, Trash
Amenities
Pool, Garden Area
Optional Fee Includes
None
Pets
Yes
MA Disclosures
Seller Disclosures
None
Additional Details
Possession
None
Accepted Financing
None
Structure Type
["Loft"]
Unit/Building
114
Sq Ft Source
Other
Documents
None
County
Suffolk
Total market time (incl. prior listings)
54 days
Property Overview
Property Type
Condominium
Listing Type
Sold
Year Built
1875
Bedrooms
4
Full Bathrooms
3
Half Bathrooms
1
Living Area
4,000 sq ft
Total Rooms
8
Stories
2
Entry Level
1
Floor Layout
Interactive room guide
Floor Layout
FeaturesYes
Display Options
Outdoor Areas
PoolAssociation, In Ground
Room Markers
BABathroom (4)
BRBedroom (5)
DDining (1)
KKitchen (1)
LLiving (2)
OOffice (1)
Conceptual diagram based on MLS room data. It is not to scale and is not a substitute for architectural plans or on-site measurements.
Interior Features
Flooring:
Wood
Appliances:
Interior Features:
Windows:
Basement:
Y
Laundry:
In Unit
Security:
Intercom, Security Guard, Security Gate
Construction & Materials
Year Built:
1875
Structure Type:
Loft
Exterior Materials:
Stone
Roof:
Foundation:
Stories:
2
Heating, Cooling & Utilities
Heating:
Forced Air
Cooling:
Central Air
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
Total Parking Spaces:
2
Parking Features:
Off Street, Leased
Special Features
Waterfront:
Yes
Waterfront Type:
Waterfront, Ocean
Community Amenities:
Public Transportation, Shopping, Pool, Tennis Court(s), Park, Walk/Jog Trails, Conservation Area, Highway Access, T-Station, Other
Nearby Schools
School information not available for this location.
Location
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Neighborhood
Waterfront
343 Commercial St # 114, Boston MA 02109
Boston, MA 02109
Listing Information
Listing Agent
Michael Harper
Listing Office
Coldwell Banker Residential Brokerage-Boston-Commonwealth Avenue
Office Phone
617-247-2909
Agent MLS ID
CN202794
Office MLS ID
BB9325
Listing Data Updated
Dec 7, 2017 2:50 PM EST
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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