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300 Commercial St # 709, Boston MA 02109

Boston, MA 02109 • Waterfront
$723,000
Est. $5,219/month
2
Beds
1
Baths
784
Sq Ft
$922
Price/Sq Ft
0.02
Acres
1900
Year Built
Condominium
Type
42
Days on Market
Closed Listed May 26, 2020 • MLS# 72661859 Copied!

About this home

This Waterfront home features a walk-out private balcony with views of the City and the Old North Church. An Ideal floor plan offering an interior second bedroom, or in-home office/den. Kitchen with updated cabinetry, stone countertops, and Stainless-Steel appliances. The Living/Dining area has direct access to the outdoor space, recessed lighting, and floor-to-ceiling window with City Views. Master bedroom with additional City views and a walk-in closet. Bathroom with updated vanity, lighting and custom tilework. Separate laundry room with Washer/Dryer combo, Central Air, and Pet-friendly. The Mariner is a full-time concierge building with garage parking. The building features a new residence lobby, updated hallways, new roof, and common roof deck expansion with harbor and city views. Located on the primary footpath of the Waterfront and next to the Historic North End, Greenway, Seaport District, Financial District, Faneuil Hall, Downtown Boston, and all major transportation points.

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Public Records

Current Owner

Owner RUSSELL MARK
Mailing Address 300 COMMERCIAL ST #311, BOSTON, MA, 02109

Land Use

Use Code 102
Description Condominium
Style Mid Rise

Tax Information

Assessed Value $553,400
Tax Rate $10.29 per $1,000
Base Tax $5,694
CPA Surcharge 1% ($47)
Estimated Annual Tax $5,741

Assessment History

Year Land Building Total Change
FY2023 $0 $593,100 $593,100 —

Municipal Context: BOSTON

Median Home Value $745,000
Avg SF Tax Bill $4,523
Residential Tax Rate $10.29/1000
CPA Surcharge 1%
County Suffolk
Match: address_condo (90.0% confidence) · Data as of Mar 8, 2026

Property Overview

Property Type
Condominium
Listing Type
For Sale
Year Built
1900
Bedrooms
2
Full Bathrooms
1
Living Area
784 sq ft
Total Rooms
4
Stories
1
Entry Level
7

Sale Statistics

Sale Overview
Original List Price: $795,000
Final Sale Price: $723,000
Difference: $72,000 (-9.1%)
Performance Metrics
90.9%
List to Sale Ratio
Sold below asking price
42
Days on Market
Average time
Price per Square Foot Analysis
Original $/sq ft: $1,014
Sale $/sq ft: $922
This property sold for $922 per square foot
Sale Summary

This property sold for 9.1% below the original asking price.

The property spent 42 days on market before selling.

Nearby Sales Comparison

Based on 39 similar properties sold within 0.5 miles in the last 90 days

This Property
$922/sq ft
Area Average
$450/sq ft
Difference
+105.0%

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

Facts & Features

Central AC

Home Facts

Type Residential
Style Condominium
Year Built 1900
Living Area 784 sq ft
Lot Size 0.02 acres
Bedrooms 2
Full Baths 1
Total Rooms 4

Interior

Heating Forced Air, Heat Pump, Individual, Unit Control
Cooling Central Air, Heat Pump, Individual, Unit Control
Flooring None
Appliances Range, Dishwasher, Disposal, Microwave, Refrigerator, Freezer, Washer, Dryer, Plumbed For Ice Maker
Fireplace None
Basement N
Laundry In Unit, Electric Dryer Hookup, Washer Hookup
Features None

Exterior

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

Parking

Has Garage Yes
Features Attached, Under, Off Street, Rented, On Street

Utilities

Electric None
Water Public
Sewer Public Sewer
Gas None
Other For Electric Range, For Electric Oven, For Electric Dryer, Washer Hookup, Icemaker Connection

Financial

Annual Tax $7,029
Assessed Value $660,000

Interior Features

Flooring:
Appliances: Range, Dishwasher, Disposal, Microwave, Refrigerator, Freezer, Washer, Dryer, Plumbed For Ice Maker
Interior Features:
Windows: Insulated Windows
Basement: N
Laundry: In Unit, Electric Dryer Hookup, Washer Hookup
Security: Intercom, Doorman, Concierge

Construction & Materials

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

Heating, Cooling & Utilities

Heating: Forced Air, Heat Pump, Individual, Unit Control
Heating Zones: 1
Cooling: Central Air, Heat Pump, Individual, Unit Control
Cooling Zones: 1
Hot Water:
Water Source: Public
Sewer: Public Sewer
Energy Features:

Exterior & Lot

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

Parking & Garage

Garage Type: Attached
Parking Features: Attached, Under, Off Street, Rented, On Street

Special Features

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

Location

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Neighborhood

Waterfront

300 Commercial St # 709, Boston MA 02109

Boston, MA 02109

Walkability

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Nearby Schools

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

10 schools
St. John Elementary School
0.1 mi
Grades PK-08
A
Eliot K-8 Innovation School
0.1 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
B+
Alighieri Dante Montessori School
0.8 mi | #5 of 12 | Score: 45.3
Improved 124 spots from last year
-12.9 below state avg
109 students Diverse
Rising School
Grades PK-06
D
Adams Elementary School
0.8 mi | #767 of 824 | Score: 31.2
Dropped 88 spots from last year
-27 below state avg
237 students Moderate
Grades PK-06
C
Harvard-Kent Elementary School
0.9 mi | #589 of 824 | Score: 41.5
Dropped 181 spots from last year
-16.7 below state avg
334 students Very Diverse
Diverse Student Body
Grades PK-06
D
McKay K-8 School
0.9 mi | #332 of 352 | Score: 27.6
Dropped 36 spots from last year
-30.7 below state avg
640 students Less Diverse
Grades PK-08
C+
Mario Umana Academy
1.0 mi | #11 of 16 | Score: 26.9
Improved 333 spots from last year
-31.3 below state avg
634 students Less Diverse
Rising School
Grades PK-08
C-
Kennedy Patrick J Elementary School
1.1 mi | #670 of 824 | Score: 37.5
Improved 47 spots from last year
-20.7 below state avg
279 students Less Diverse
Rising School
Grades PK-06
A-
Warren-Prescott K-8 School
1.1 mi | #85 of 352 | Score: 51.3
Improved 4 spots from last year
-7 below state avg
507 students Diverse
Grades PK-08
M

Middle Schools

10 schools
Middle School Academy
2.2 mi
F
Higginson/Lewis K-8 School
3.6 mi | #349 of 352 | Score: 23.6
Improved 3 spots from last year
-34.6 below state avg
213 students Diverse
Grades 03-08
A
Uncommon Schools - Roxbury Preparatory Dorchester Campus Middle School
3.9 mi | #4 of 16 | Score: 41.9
Improved 187 spots from last year
-16.3 below state avg
1,126 students Diverse
Rising School College Ready Curriculum
Grades 05-08
Nativity Prep School
4.0 mi
Grades 05-08
Dearborn Middle School
4.3 mi
Mother Caroline Academy
4.3 mi
Grades 05-08
Epiphany School
5.0 mi
Grades 05-08
C
Ohrenberger School
8.7 mi | #265 of 352 | Score: 34.9
Improved 20 spots from last year
-23.3 below state avg
477 students Diverse
Rising School Diverse Student Body
Grades 03-08
Edwards Middle
1.3 mi
UP Academy
2.2 mi
H

High Schools

10 schools
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
C
Quincy Upper School
1.4 mi | #268 of 346 | Score: 44.6
Improved 4 spots from last year
-13.6 below state avg
557 students Very Diverse
12 sports • 208 athletes
High Graduation Rate Diverse Student Body
Grades 06-12
C-
East Boston High School
1.4 mi | #305 of 346 | Score: 37.3
Improved 31 spots from last year
-20.9 below state avg
1,252 students Less Diverse
14 sports • 584 athletes
Early College Program Rising School
Grades 07-12
Newman School
1.8 mi
Grades 07-12
Cathedral High School
1.9 mi
9 sports • 430 athletes
Grades 07-12
A-
O'Bryant School of Math & Science
3.1 mi | #90 of 346 | Score: 61.1
Improved 94 spots from last year
+2.9 above state avg
1,509 students Very Diverse
High Graduation Rate Rising School College Ready Curriculum Diverse Student Body
Grades 07-12
B
Dearborn STEM Academy
3.1 mi | #13 of 25 | Score: 31.7
Improved 356 spots from last year
-26.6 below state avg
565 students Diverse
10 sports • 242 athletes
Early College Program Rising School
Grades 07-12
A+
Boston Latin School
3.2 mi | #19 of 346 | Score: 73.3
Improved 61 spots from last year
+15.1 above state avg
2,424 students Very Diverse
18 sports • 2,006 athletes
Strong AP Program High Graduation Rate Rising School Strong Athletics
Grades 07-12
C
Ruth Batson Academy
3.3 mi | #19 of 25 | Score: 27.6
Improved 346 spots from last year
-30.6 below state avg
604 students Diverse
8 sports • 128 athletes
Early College Program Rising School
Grades 07-12
A+
Boston Latin Academy
3.8 mi | #2 of 25 | Score: 63.9
Improved 214 spots from last year
+5.7 above state avg
1,693 students Very Diverse
17 sports • 1,298 athletes
High Graduation Rate Rising School Strong Athletics Diverse Student Body
Grades 07-12
Learn about these ratings
School data provided by BMN Schools

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Monthly Payment Breakdown

Principal & Interest $0
Property Tax $586
Homeowners Insurance $200
HOA Fee $777/mo
PMI (if <20% down) $0

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Payment Over Time

Interest
Principal
Year 1
95% Interest
Year 15
50/50
Year 30
95% Principal
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Property History

Market Insights

3.5%
Price Range
43
Total Days on Market

Property Timeline

✓
Sold
Sep 4, 2020
$723,000
Property sold
Days on Market: 43
🏠
Listed for Sale
May 26, 2020
$749,500
Original listing
Agent: Carmela Laurella Office: CL Properties

Price & Status History

Date Event Price Change
Apr 29, 2026 Sold $4,900 —
Apr 25, 2026 Sold $945,000 —
May 26, 2020 New Listing Added $749,500 —

Market Statistics

Days on Market
42 days
Price per Sq Ft
$922

Tax History

Year Taxes Assessment
2020 $7,029 $660,000

Financial Details

Annual Property Tax
$7,029
Tax Year 2020
HOA Fee
$777
Monthly
Assessed Value
$660,000

Listing Information

Listing Agent Carmela Laurella
Listing Office CL Properties
Agent MLS ID BB801064
Office MLS ID AN4928
Listing Data Updated Sep 4, 2020 3:07 PM 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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