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343 Commercial St # 114, Boston MA 02109

Boston, MA 02109 • Waterfront
$4,050,000
4
Beds
3.5
Baths
4,000
Sq Ft
$1,013
Price/Sq Ft
0.09
Acres
1875
Year Built
2
Parking
52
Days on Market
Closed Listed Aug 10, 2017 • MLS# 72211567 Copied! • Updated Dec 7, 2017

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.

Nearby Sales Comparison

Based on 50 similar properties sold within 0.5 miles in the last 90 days

This Property
$1,013/sq ft
Area Average
$280/sq ft
Difference
+261.7%

This property sold for significantly more per square foot than similar nearby properties, suggesting premium features or condition.

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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Recently Sold Nearby

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

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
Features Off Street, Leased
Total Spaces 2
Electric None
Water Public
Sewer Public Sewer
Gas None
Other None
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
Seller Disclosures None
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
For Sale
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

Room Details

Other Floor

Bathroom1
Bedroom5
Bedroom4
Bedroom3
Dining Room
Kitchen
Bathroom2
Bedroom2
Living Room
Bathroom3
Master Bedroom
Office
Family Room
Master Bathroom
Yes

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
School District
Boston School District local
C-
🎓 Where Graduates Go Class of 2021
52% attend college
38% 4-Year 14% 2-Year 7% Out of State 7% Working
School Safety 2024-25
3.7% Above Average
3.2% Suspensions 0.3% In-School 0.5% Emergency
1.8% below state avg
E

Elementary Schools

3 schools
St. John Elementary School
0.2 mi
Grades PK-08
A
Eliot K-8 Innovation School
0.2 mi | #48 of 352 | Score: 57.2
Improved 2 spots from last year
-1.1 below state avg
784 students Diverse
Strong Attendance
Grades PK-08
East Boston Central Catholic School
0.7 mi
Grades PK-08
M

Middle Schools

1 school
Edwards Middle
1.3 mi
H

High Schools

3 schools
Charlestown High
1.2 mi
D
Charlestown High School
1.2 mi | #322 of 346 | Score: 31.0
Improved 49 spots from last year
-27.2 below state avg
754 students Diverse
11 sports • 488 athletes
Early College Program Rising School
Grades 07-12
East Boston High
1.3 mi
Learn about these ratings

Location

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Neighborhood

Waterfront

343 Commercial St # 114, Boston MA 02109

Boston, MA 02109

Listing Information

Listing Agent Michael Harper
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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