21 Mclellan Street, Boston MA 02121

Boston, MA 02121 • Dorchester

$699,900

Est. $4,076/month

Estimate assumptions

20% down, a 30-year loan at 6.5%, and $200/month estimated insurance.

Includes the supplied property-tax and HOA inputs; missing inputs contribute $0. HOA fees with an unspecified frequency are treated as monthly. PMI and closing costs are excluded.

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Beds

Baths

3,779

Sq Ft

$185

Price/Sq Ft

0.11

Acres

1910

Year Built

Parking

Multi Family

Type

New today

Time on Market

For Sale Open House Listed Oct 13, 2026 • MLS# 73590040 Copied! • Updated Oct 13, 2026

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Open House Schedule

Oct

Friday, October 16

12:00 PM - 1:30 PM EDT

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

Price & Status History

Property Timeline

🏠

Listed for Sale

Oct 13, 2026

$699,900

Original listing

Agent: Thomas Mario Office: Century 21 Mario Real Estate

Date	Event	Price	Change	$/sqft	Details
10/13/2026	🏠 Listed for Sale	$699,900	-	-	Original listing

Tax History

Year	Taxes	Assessment
2026	$4,049	$326,500

Financial Details

Annual Property Tax

$4,049

Tax Year 2026

Assessed Value

$326,500

Facts & Features

Home Facts

Type Residential Income

Style Multi Family

Year Built 1910

Living Area 3,779 sq ft

Lot Size 0.11 acres

Stories 4

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 $4,049

Assessed Value $326,500

HOA & Community

Fee Includes None

Amenities None

Optional Fee Includes None

MA Disclosures

Lead Paint Unknown

Seller Disclosures There Will Only Be 1 Showing And It Will Be Open House On Friday 10/16/23 From Noon To 1:30 Pm. All Offers Due By Monday 10/19 At 9am.

Additional Details

Possession None

Accepted Financing None

Structure Type []

Sq Ft Source Public Record

Documents None

County Suffolk

Property Overview

Property Type

Multi Family

Listing Type

For Sale

Year Built

1910

Bedrooms

Full Bathrooms

Living Area

3,779 sq ft

Total Rooms

Stories

Levels

Floor Layout

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

Utilities & Systems

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 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

Elementary Schools

3 schools

Greenwood Sarah K-8 School

0.4 mi | #340 of 352 | Score: 26.7

Dropped 6 spots from last year

-31.5 below state avg

381 students Less Diverse

Grades PK-08

Brooke Charter School Mattapan

0.5 mi | #40 of 346 | Score: 68.8

Improved 84 spots from last year

+10.6 above state avg

2,230 students Diverse

Rising School College Ready Curriculum

Grades K-12

C-

Holmes Elementary School

0.5 mi | #717 of 825 | Score: 34.5

Dropped 31 spots from last year

-23.7 below state avg

301 students Diverse

Grades PK-06

Middle Schools

3 schools

Mother Caroline Academy

0.5 mi

Grades 05-08

Dearborn Middle School

0.5 mi

Frederick Pilot Middle

0.8 mi

High Schools

3 schools

Burke High

0.5 mi

A+

Boston Latin Academy

1.1 mi | #2 of 25 | Score: 64.9

Improved 214 spots from last year

+6.7 above state avg

1,669 students Very Diverse

17 sports • 1,298 athletes

Strong AP Program High Graduation Rate Rising School Strong Athletics

Grades 07-12

Urban Achievers School

1.1 mi

Grades 09-12

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Property Tax $337

Homeowners Insurance $200

PMI (if <20% down) $0

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Interest

Principal

Year 1

95% Interest

Year 15

50/50

Year 30

95% Principal

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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 Oct 13, 2026 1:22 PM EDT

Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.

Contact Us

Steve Novak Real Estate

BMN Boston Powered by SERHANT

mail@steve-novak.com

Ask about this property — free, no obligation.

21 Mclellan Street, Boston MA 02121

Open House Schedule

About this home

Recently Sold Nearby

Property Timeline

Listed for Sale

Tax History

Home Facts

Investment Metrics

Interior

Exterior

Parking

Utilities

Financial

HOA & Community

MA Disclosures

Additional Details

Property Overview

Nearby Schools

Elementary Schools

Middle Schools

High Schools

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21 Mclellan Street, Boston MA 02121

Open House Schedule

About this home

BMN Estimate

Recently Sold Nearby

Price & Status History

Property Timeline

Listed for Sale

Detailed History Table ▼

Tax History

Financial Details

Facts & Features

Home Facts

Investment Metrics

Interior

Exterior

Parking

Utilities

Financial

HOA & Community

MA Disclosures

Additional Details

Property Overview

Floor Layout

Interior Features

Construction & Materials

Utilities & Systems

Exterior & Lot

Parking & Garage

Special Features

Nearby Schools

Elementary Schools

Middle Schools

High Schools

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