For sale

$899,900

21 John St, Chelsea, MA 02150

7beds

3,103sqft

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Multi Family

Built in 1900

-- sqft lot

$813,100 Zestimate^®

$290/sqft

$-- HOA

What's special

Laundry hookupsModern stainless steel kitchen

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!

5 days

715

46

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Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 7
Bathrooms: 3
Full bathrooms: 3

Heating

Forced Air, Natural Gas

Cooling

None

Appliances

Included: Range, Microwave, Refrigerator, Dishwasher, Disposal
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
Flooring: Tile, Vinyl, Carpet, Hardwood, Stone/Ceramic Tile
Windows: Insulated Windows
Basement: Full,Walk-Out Access,Concrete,Unfinished
Number of fireplaces: 2

Interior area

Total structure area: 3,103
Total interior livable area: 3,103 sqft
Finished area above ground: 3,103
Finished area below ground: 0

Property

Parking

Total spaces: 3
Parking features: Paved Drive, Off Street, Paved
Uncovered spaces: 3

Features

Patio & porch: Porch, Patio
Fencing: Fenced/Enclosed,Fenced

Lot

Size: 4,870 Square Feet
Features: Level

Details

Foundation area: 0
Parcel number: 1288796
Zoning: Res

Construction

Type & style

Home type: MultiFamily
Property subtype: Multi Family

Materials

Frame
Foundation: Stone
Roof: Shingle

Condition

Year built: 1900

Utilities & green energy

Electric: Circuit Breakers
Sewer: Public Sewer
Water: Public
Utilities for property: for Gas Range, for Gas Oven, Washer Hookup

Community & HOA

Community

Features: Sidewalks

Location

Region: Chelsea

Financial & listing details

Price per square foot: $290/sqft
Tax assessed value: $796,400
Annual tax amount: $9,142
Date on market: 6/23/2026
Total actual rent: 2200
Road surface type: Paved

Estimated market value

$813,100

$748,000 - $886,000

$3,012/mo

Price history

Date	Event	Price
6/23/2026	Listed for sale	$899,900+414.2%$290/sqft
Source: MLS PIN #73539965 Report a problem
8/28/2009	Sold	$175,000-45.3%$56/sqft
Source: Public Record Report a problem
9/10/2008	Sold	$320,000+28.1%$103/sqft
Source: Public Record Report a problem
8/19/2008	Price change	$249,900-16.1%$81/sqft
Source: MLS Property Information Network #70739656 Report a problem
6/19/2008	Price change	$298,000-4.8%$96/sqft
Source: MLS Property Information Network #70739656 Report a problem
5/28/2008	Price change	$313,000-4.9%$101/sqft
Source: MLS Property Information Network #70739656 Report a problem
4/27/2008	Listed for sale	$329,000-32.8%$106/sqft
Source: MLS Property Information Network #70739656 Report a problem
3/29/2005	Sold	$489,600+95.8%$158/sqft
Source: Public Record Report a problem
8/31/2001	Sold	$250,000+194.1%$81/sqft
Source: Public Record Report a problem
4/30/1998	Sold	$85,000$27/sqft
Source: Agent Provided Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$8,986 +4.8%	$780,700 +8.3%
2024	$8,575 +2.9%	$720,600 +7.1%
2023	$8,332 -1.2%	$673,000 +5.8%
2022	$8,432 +3.2%	$636,400 +6.1%
2021	$8,172 -1.2%	$600,000 +4.6%
2020	$8,274 +5%	$573,600 +3.7%
2019	$7,882 +12.1%	$553,100 +10.9%
2018	$7,030 +4.5%	$498,600 +7.6%
2017	$6,725 +8.6%	$463,500 +6.6%
2016	$6,194 +8.3%	$434,700 +9.5%
2015	$5,718 +23.2%	$397,100 +20.9%
2013	$4,640 +3.5%	$328,400 +1.1%
2012	$4,485 +12.4%	$324,800 +5.2%
2011	$3,990 +9.6%	$308,800 +2.6%
2010	$3,640 -11.3%	$301,100 -20.8%
2009	$4,105 -15.1%	$380,100 -21.8%
2008	$4,834 +6.6%	$485,800
2007	$4,533 +10.2%	$485,800 +13.6%
2006	$4,113 +14.5%	$427,500 +13.5%
2005	$3,593 +9.9%	$376,600 +6.9%
2004	$3,268 +11.7%	$352,200 +20.8%
2003	$2,927 +3.2%	$291,500 +49.2%
2002	$2,837 +35.7%	$195,400 +36.9%
2000	$2,091	$142,700

Find assessor info on the county website

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