21 Mclellan Street, Boston MA 02121
Boston, MA 02121 • Dorchester
$699,900
Est. $4,049/month
About this home
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.
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Recently Sold Nearby
Property History
Market Insights
Property Timeline
Listed for Sale
Jun 25, 2025
$699,900
Original listing
Agent: Thomas Mario
Office: Century 21 Mario Real Estate
Listed for Sale
Jun 25, 2025
$699,900
Original listing
Office: Century 21 Mario Real Estate
| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 06/25/2025 | 🏠 Listed for Sale | $699,900 | - | - | Original listing |
| 06/25/2025 | 🏠 Listed for Sale | $699,900 | - | - | Original listing |
Tax History
| Year | Taxes | Assessment |
|---|---|---|
| 2025 | $3,717 | $321,000 |
Financial Details
Annual Property Tax
$3,717
Tax Year 2025
Assessed Value
$321,000
Facts & Features
Home Facts
Type
Residential Income
Style
Multi Family
Year Built
1910
Living Area
3,779 sq ft
Lot Size
0.11 acres
Bedrooms
6
Full Baths
2
Total Rooms
15
Investment Metrics
Units
2
Unit 1 Rent
— · N
Unit 2 Rent
— · N
Interior
Heating
None
Cooling
None
Flooring
None
Appliances
None
Fireplace
None
Fireplaces
2
Basement
Full
Laundry
None
Features
None
Exterior
Construction
Frame
Architecture
None
Roof
Shingle
Features
None
Pool
None
Spa
None
Fencing
None
Patio/Porch
None
Parking
Features
Paved Drive
Total Spaces
4
Utilities
Electric
None
Water
Public
Sewer
Public Sewer
Gas
None
Other
None
Financial
Annual Tax
$3,717
Assessed Value
$321,000
HOA & Community
Fee Includes
None
Amenities
None
Optional Fee Includes
None
MA Disclosures
Seller Disclosures
None
Additional Details
Possession
None
Accepted Financing
None
Structure Type
[]
Sq Ft Source
Public Record
Documents
None
County
Suffolk
Total market time (incl. prior listings)
194 days
Property Overview
Property Type
Multi Family
Listing Type
For Sale
Year Built
1910
Bedrooms
6
Full Bathrooms
2
Living Area
3,779 sq ft
Total Rooms
15
Stories
4
Levels
4
Floor Layout
Interactive room guide
Floor Layout
Finished Area
3,779 sq ft above grade
Display Options
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:
Appliances:
Interior Features:
Windows:
Basement:
Full
Laundry:
Security:
Construction & Materials
Year Built:
1910
Structure Type:
Exterior Materials:
Frame
Roof:
Shingle
Foundation:
Stone
Stories:
4
Heating, Cooling & Utilities
Heating:
Cooling:
Hot Water:
Water Source:
Public
Sewer:
Public Sewer
Energy Features:
Exterior & Lot
Exterior Features:
Patio & Porch:
Fencing:
Other Structures:
Lot Features:
Gentle Sloping
Road Surface:
Paved
Parking & Garage
Total Parking Spaces:
4
Parking Features:
Paved Drive
Special Features
Fireplaces:
2
Fireplace Type:
Community Amenities:
Sidewalks
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
$310
Homeowners Insurance
$200
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
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.
Location
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Neighborhood
Dorchester
21 Mclellan Street, Boston MA 02121
Boston, MA 02121
Listing Information
Listing Agent
Thomas Mario
Listing Office
Century 21 Mario Real Estate
Office Phone
617-569-6044
Agent MLS ID
BB804911
Office MLS ID
BB2945
Listing Data Updated
Jan 11, 2026 3:07 AM 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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