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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
3
Parking
6
Days on Market
Pending Listed Jun 23, 2026 • MLS# 73539965 Copied! • Updated Jun 30, 2026

About this home

Incredible opportunity in coveted Prattville neighborhood! This 2-family sits on a quiet side street & offers amazing rental upside or owner-occupant potential. Unit 1 features 3 spacious beds, 1 bath, an eat-in kitchen with gas cooking, & laundry hookups. Unit 2 is a gorgeous 2-level duplex remodeled in 2025, boasting 4 beds, 2 baths, a sunlit living room, & a modern stainless steel kitchen. Major updates include: roof (2018), gas heating conversion & systems (2010), & replacement windows (2009). Easily add central A/C if desired! Complete with a large driveway for 3 off-street parking spaces. Truly a turnkey gem in a highly desirable neighborhood!

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A free agent CMA factors in condition, upgrades, and the street — the things comps alone can't see.

Recently Sold Nearby

Property History

Market Insights

Property Timeline

Pending Sale
Jun 30, 2026
Offer accepted, sale pending
🏠
Listed for Sale
Jun 23, 2026
$899,900
Original listing
Agent: Team Ladner Office: RE/MAX Harmony

Tax History

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

Financial Details

Annual Property Tax
$9,143
Tax Year 2026
Assessed Value
$796,400

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

Investment Metrics

Units 2
Unit 1 Rent $2,200/mo · N
Unit 2 Rent — · N
Total Monthly Rent $2,200/mo
Gross Income $61,000
Net Operating Income $26,400
Cap Rate 2.93%
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
Construction Frame
Architecture None
Roof Shingle
Features None
Pool None
Spa None
Fencing Fenced/enclosed, Fenced
Patio/Porch Porch, Patio
Features Paved Drive, Off Street, Paved
Total Spaces 3
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
Fee Includes None
Amenities None
Optional Fee Includes None
Seller Disclosures None
Possession None
Accepted Financing None
Structure Type []
House Color Yellow
Sq Ft Source Public Record
Documents None
County Suffolk
Total market time (incl. prior listings) 7 days

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

Room Details

Other Floor

Bathroom1
Bedroom5
Bedroom4
Bedroom3
Dining Room
Kitchen
Bathroom2
Bedroom2
Living Room
Bathroom3
Master Bedroom
Office
Family Room
Master Bathroom

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

Nearby Schools

School information not available for this location.

Monthly Payment Calculator

Monthly Payment
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Loan Amount
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After down payment
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Over life of loan
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Including down payment
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Down: $0
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Monthly Payment Breakdown

Principal & Interest $0
Property Tax $762
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

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Current Rate
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+0.5% Rate
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Payment Over Time

Interest
Principal
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

Prattville

21 John St, Chelsea MA 02150

Chelsea, MA 02150

Listing Information

Listing Agent Team Ladner
Listing Office RE/MAX Harmony
Office Phone 781-587-0528
Agent MLS ID TM341788
Office MLS ID AN5976
Listing Data Updated Jun 30, 2026 10:54 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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Steven Novak
Steven Novak
BMN Boston Real Estate
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BMN Boston Real Estate

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