21 John St, Chelsea MA 02150

Chelsea, MA 02150 • Prattville

$899,900

Est. $5,512/month

7

Beds

3

Baths

3,103

Sq Ft

$290

Price/Sq Ft

0.11

Acres

1900

Year Built

Multi Family

Type

21 hours 10 minutes

Time on Market

Active Open House Listed Jun 23, 2026 • MLS# 73539965 Copied!

About this home

Massive 2-Family located on a quiet side street in the highly desirable Prattville neighborhood! Upstairs 4 bed, 2 full. Downstairs, 3 bed, 1 bath. Washer/dryer hook ups in First floor unit. Laundry room on top floor of Unit 2. Forced air, Gas heat. Converted from Oil to Gas heat in 2010. The next owner can easily add Central A/C. Both units have Eat-In Kitchens with Natural Gas cooking. Windows were replaced throughout in 2009. Roof replaced in 2018. Both Gas Heating systems were replaced in 2011. Upstairs Unit was remodeled in 2025, including Kitchen, both Bathrooms and refinished hardwood floors. Original hardwood throughout except for 2nd floor kitchen.

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Property Overview

Property Type

Multi Family

Listing Type

For Sale

Year Built

1900

Bedrooms

7

Full Bathrooms

3

Living Area

3,103 sq ft

Total Rooms

14

Stories

3

Levels

3

Open House Schedule

27

Jun

Saturday, June 27

11:00 AM - 12:30 PM EDT

Facts & Features

Home Facts

Type Residential Income

Style Multi Family

Year Built 1900

Living Area 3,103 sq ft

Lot Size 0.11 acres

Bedrooms 7

Full Baths 3

Total Rooms 14

Interior

Heating Forced Air, Natural Gas

Cooling None

Flooring Tile, Vinyl, Carpet, Hardwood, Stone/ceramic Tile

Appliances Range, Microwave, Refrigerator, Dishwasher, Disposal

Fireplace None

Fireplaces 2

Basement Full, Walk-out Access, Concrete, Unfinished

Laundry Washer Hookup, Dryer Hookup

Features Bathroom With Shower Stall, Walk-up Attic, Upgraded Cabinets, Upgraded Countertops, Bathroom With Tub & Shower, Open Floorplan, Remodeled, Living Room, Kitchen, Dining Room, Laundry Room, Office/den

Exterior

Construction Frame

Architecture None

Roof Shingle

Features None

Pool None

Spa None

Fencing Fenced/enclosed, Fenced

Patio/Porch Porch, Patio

Parking

Features Paved Drive, Off Street, Paved

Total Spaces 3

Utilities

Electric Circuit Breakers

Water Public

Sewer Public Sewer

Gas None

Other For Gas Range, For Gas Oven, Washer Hookup

Financial

Annual Tax $9,143

Assessed Value $796,400

Interior Features

Flooring: Tile, Vinyl, Carpet, Hardwood, Stone/Ceramic Tile

Appliances: Range, Microwave, Refrigerator, Dishwasher, Disposal

Interior Features: Bathroom with Shower Stall, Walk-Up Attic, Upgraded Cabinets, Upgraded Countertops, Bathroom With Tub & Shower, Open Floorplan, Remodeled, Living Room, Kitchen, Dining Room, Laundry Room, Office/Den

Windows: Insulated Windows

Basement: Full, Walk-Out Access, Concrete, Unfinished

Laundry: Washer Hookup, Dryer Hookup

Security:

Construction & Materials

Year Built: 1900

Structure Type:

Exterior Materials: Frame

Roof: Shingle

Foundation: Stone

Stories: 3

Heating, Cooling & Utilities

Heating: Forced Air, Natural Gas

Heating Zones: 2

Cooling: None

Hot Water: Natural Gas, Tank

Water Source: Public

Sewer: Public Sewer

Energy Features:

Exterior & Lot

Exterior Features:

Patio & Porch: Porch, Patio

Fencing: Fenced/Enclosed, Fenced

Other Structures:

Lot Features: Level

Road Surface: Paved

Parking & Garage

Total Parking Spaces: 3

Parking Features: Paved Drive, Off Street, Paved

Special Features

Fireplaces: 2

Fireplace Type:

Community Amenities: Sidewalks

Location

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Neighborhood

Prattville

21 John St, Chelsea MA 02150

Chelsea, MA 02150

Walkability

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Nearby Schools

School District

Chelsea School District local

C-

⚠ School Safety 2024-25

5.2% Above Average

2.9% Suspensions 1.7% In-School 2.3% Emergency

↓ 0.3% below state avg

E

Elementary Schools

3 schools

Chelsea Virtual Learning Academy

0.3 mi

54 students Less Diverse

College Ready Curriculum

Grades K-12

St. Rose Elementary School

0.4 mi

Grades PK-08

B+

William A Berkowitz Elementary School

0.5 mi | #287 of 824 | Score: 51.1

Improved 1 spots from last year

-7.1 below state avg

455 students Less Diverse

Grades 01-04

M

Middle Schools

3 schools

D

Clark Avenue School

0.3 mi | #329 of 352 | Score: 28.3

Improved 32 spots from last year

-29.9 below state avg

673 students Less Diverse

Rising School

Grades 05-08

C-

Joseph A. Browne School

0.6 mi | #290 of 352 | Score: 32.4

Improved 56 spots from last year

-25.8 below state avg

487 students Less Diverse

Rising School

Grades 05-08

B

Eugene Wright Science and Technology Academy

0.6 mi | #9 of 16 | Score: 29.9

Improved 348 spots from last year

-28.3 below state avg

436 students Less Diverse

Rising School

Grades 05-08

H

High Schools

3 schools

C

Chelsea Opportunity Academy

0.7 mi | #294 of 346 | Score: 59.3

Same rank as last year

132 students Less Diverse

College Ready Curriculum

Grades 09-12

C-

Chelsea High School

0.7 mi | #283 of 346 | Score: 42.9

Improved 25 spots from last year

-15.3 below state avg

1,649 students Less Diverse

12 sports • 796 athletes

Early College Program Rising School College Ready Curriculum

Grades 09-12

Seaport Academy School

1.3 mi

Grades 07-12

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Year 1

95% Interest

Year 15

50/50

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95% Principal

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Property History

Property Timeline

🏠

Listed for Sale

Jun 23, 2026

$899,900

Original listing

Agent: Team Ladner Office: RE/MAX Harmony

Date	Event	Price	Change	$/sqft	Details
06/23/2026	🏠 Listed for Sale	$899,900	-	-	Original listing

Price & Status History

Date	Event	Price	Change
Jun 23, 2026	New Listing Added	$899,900	—

Market Statistics

Time on Market

21 hours 10 minutes

Price per Sq Ft

$290

Tax History

Year	Taxes	Assessment
2026	$9,143	$796,400

Financial Details

Annual Property Tax

$9,143

Tax Year 2026

Assessed Value

$796,400

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21 John St, Chelsea MA 02150

About this home

Property Overview

Open House Schedule

Facts & Features

Home Facts

Interior

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Parking

Utilities

Financial

Interior Features

Construction & Materials

Heating, Cooling & Utilities

Exterior & Lot

Parking & Garage

Special Features

Location

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Nearby Schools

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Middle Schools

High Schools

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