HomeChelseaMulti Family21 John St, Chelsea MA 02150
21 John St, Chelsea MA 02150 — photo 1 of 121 / 12
SOLD · Aug 13, 2026
$966,000   Over asking
Asking $899,900 · +$66,100 (+7.3%)
21 John St, Chelsea MA 02150
2 units · 7 bd · 3 ba · 3,103 sqft · $449,950/unit
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INVESTMENT SNAPSHOT

Signal Score pending — we haven't seeded market rents for this ZIP (02150) yet.

About this property

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!

Property details

Units2
Living area3,103 sqft
Lot size4,870 sqft
Year built1900
Price / sqft$311
CountySuffolk
MLS #73539965

Location

More about investing in Chelsea

Listing courtesy of a MLS PIN member office. Listing data © MLS PIN.

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Questions & answers

Auto-generated from the listing data — richer AI answers coming with the live site.

How many units does 21 John St, Chelsea MA 02150 have?

It is a 2-unit multi-family property with 3,103 sqft of living area, built in 1900.

What is the price per unit?

At a list price of $899,900 across 2 units, that works out to roughly $449,950 per unit.

What is the price per square foot?

At $899,900 for 3,103 sqft, that's about $311 per square foot.

Where is this property located?

21 John St, Chelsea MA 02150 is in Chelsea, Suffolk County, MA 02150.

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Justin Rollo, Broker Associate at Signal Real Estate
Justin RolloBroker Associate, Signal Real Estate · MA Lic. #9534264

Justin Rollo is a Broker Associate with Signal Real Estate (MA Lic. #9534264) and a lifelong Massachusetts resident. Over 14 years and hundreds of transactions, he has worked investment properties — multi-families and house-hacking — across Greater Boston full-time. Away from real estate, Justin is a proud dad, youth coach and local school-committee member — and a former professional poker player who still loves golf and following local sports.

📞 978-790-4381📍 25 Braintree Hill Park, Suite 200, Braintree, MA 02184
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