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21 Mclellan Street

Boston, MA 02121

6 beds
2 baths
3,779 sqft
4,831 sqft lot
$185 per sqft
1910 build
– on site

Endless Potential in Prime Dorchester Location! Welcome to 21 McLellan Street—a classic Philadelphia-style two-family home brimming with opportunity. Perfect for investors, contractors, or savvy owner-occupants looking to customize and build equity, this property offers a solid footprint and a flexible layout. Situated on a generous lot with ample off-street parking, this property is located in a convenient Dorchester neighborhood, close to public transportation, local shops, parks, and major commuter routes. With its desirable layout and untapped potential, 21 McLellan is ready to be transformed into a standout multi-family residence. Bring your ideas and contractor—this is a rare value-add opportunity you won’t want to miss.

Listing courtesy of MLSPIN / Thomas Mario / Century 21 Mario Real Estate

Last checked: Checking… • Last updated Jul 2, 2025 •

MLS# 73396500 —

The Building

Year Built:

1910
Year Built Details:

Approximate
Year Built Source:

Public Records
Construction Materials:

Frame
# of Units Total:

2
Roof:

Shingle
Foundation Details:

Stone
Levels:

4
Stories:

4
Stories Total:

4
Basement:

Full
Building Area Total:

3779
Building Area Units:

Square Feet
Building Area Source:

Public Records

Interior

Rooms Total:

15
Fireplace:

true
Fireplaces Total:

2

Room Dimensions

Living Area:

3779
Living Area Source:

Public Record

Location

Directions:

Blue Hill Avenue to McLellan Street
Longitude:

-71.085038
Latitude:

42.300425

The Property

Property Type:

Residential Income
Property Subtype:

Multi Family
Parcel Number:

1402739000,1307763
Zoning:

R2
Lot Size Units:

Acres
Lot Features:

Gentle Sloping
Lot Size Area:

0.11
Lot Size SqFt:

4831
Lot Size Acres:

0.11
Waterfront:

false
Farm Land Area Units:

Square Feet
Road Surface Type:

Paved
Road Frontage Type:

Public
Road Responsibility:

Public Maintained Road

Listing Agent

Contact info:

Taxes

Tax Year:

2025
Tax Book Number:

67145
Tax Annual Amount:

3717
Tax Assessed Value:

321000

Beds

Bedrooms Total:

6

Baths

Total Baths:

2
Total Baths:

2
Full Baths:

2

The Listing

Home Warranty:

false
Special Listing Conditions:

Real Estate Owned

Utilities

Sewer:

Public Sewer
Water Source:

Public

The Community

Community Features:

Sidewalks
Spa:

false
Senior Community:

false

Parking

Parking Features:

Paved Drive
Parking Total:

4
Garage:

false
Open Parking:

true

Explore the Area

My Commute

From

Walk Score®

Provided by WalkScore® Inc.

Bike Score®

Provided by WalkScore® Inc.

Transit Score®

Provided by WalkScore® Inc.

Soundscore™

Provided by HowLoud

Sale history

Date	Event	Source	Price	% Change
6/25/25 Jun 25, 2025	Listed / Active	MLSPIN	$699,900

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This multifamily located in Mattapan, Boston, MA 02121 is currently for sale for $699,900. 21 Mclellan Street is a 3,779 square foot multifamily with 6 beds and 2 baths that has been on Estately for 9 days. 21 Mclellan Street is in the Mattapan neighborhood of Boston and has a WalkScore® of 77, making it very walkable.

Listing Courtesy of: MLSPIN and Century 21 Mario Real Estate.

The property listing data and information set forth herein were provided to MLS Property Information Network, Inc. (MLSPIN) from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information are for the personal, non commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLS Property Information Network, Inc., Estately and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information set forth herein. Users may not reproduce or redistribute the data found on this site. The data is for viewing purposes only. All information provided is deemed reliable but is not guaranteed by Estately or MLSPIN and should be independently verified.