Last Sold Price
2 beds1,619 sqft$868/sqft
21 Decatur St, Unit 1, Cambridge, MA 02139

Description

Architecturally stunning townhouse that was custom designed by Mark Boyes-Watson to the highest standards in 2011 in prime Cambridgeport neighborhood. Ideally located near MIT campus and biotech hub between Sidney St and Kendall Square. Sleek, modern kitchen equipped with top of the line JennAir appliances, cherry cabinetry, breakfast bar island, and designer lighting. Glass sliders off the dining area open up to a private deck. Spoil yourself with a luxurious master suite with cathedral ceilings,...Architecturally stunning townhouse that was custom designed by Mark Boyes-Watson to the highest standards in 2011 in prime Cambridgeport neighborhood. Ideally located near MIT campus and biotech hub between Sidney St and Kendall Square. Sleek, modern kitchen equipped with top of the line JennAir appliances, cherry cabinetry, breakfast bar island, and designer lighting. Glass sliders off the dining area open up to a private deck. Spoil yourself with a luxurious master suite with cathedral ceilings, jacuzzi tub, extra-large windows, and spacious custom designed closets. Second bedroom suite has an en suite bath with glass enclosed shower. Basement is fully finished and offers a multi-purpose open space for lounging or exercise, and a separate room that can be used as an office. 1 off-street parking space. Rare townhouse that will exceed the expectations of most discerning buyers that aren't willing to compromise on their wishlist.
LISTING CLOSED: 07/13/2021 12:00 AM

  1. Listed by Park Hou Group • Splice Realty

Property Details for 21 Decatur Street, Unit 1

Status
MLS #
72841068
Days on Market
21
Taxes
$4,930 / year
HOA Fees
$209 / month
Property Type
MLS Type
Condominium/Co-Op / Condo
Year Built
1873
Town
Cambridge
Area
MA-Cambridge
Style
Townhouse
Garage Spaces
0
Parking Spaces Total
1
Unit Placement
Front

Recent comparable sales

Median sold price

$1,350,000

Avg days on market

50

Sale-to-list ratio

97.1%

Cambridge, MA

9 comparable properties found

$1,500,000 | 328 Harvard Street, Unit 2, Cambridge, MA 02138
1/10
1

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2
Bedrooms
1,619
Square Feet
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Acres
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Square Feet
Unavailable
Acres
$1,350,000 | 133 Spring Street, Unit 3L, Cambridge, MA 02141
1/23
3

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2
Bedrooms
1,468
Square Feet
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Acres
$1,128,000 | 94 Hampshire Street, Unit B, Cambridge, MA 02139
1/15
4

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2
Bedrooms
1,500
Square Feet
Unavailable
Acres
a car parked in front of a building
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2
Bedrooms
1,835
Square Feet
Unavailable
Acres
$1,715,000 | 98-100 Erie Street, Unit 13, Cambridge, MA 02139
1/20
6

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Sold 05/30/25

2
Bedrooms
1,791
Square Feet
Unavailable
Acres
7

$1,715,000

Sold 05/29/25

2
Bedrooms
2.5
Bathrooms
1,791
Square Feet
Unavailable
Acres
$1,235,000 | 28 Second Street, Unit 28, Cambridge, MA 02141
1/29
8

$1,235,000

Sold 10/14/25

2
Bedrooms
1,496
Square Feet
Unavailable
Acres
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$1,235,000

Sold 10/14/25

2
Bedrooms
2.5
Bathrooms
1,496
Square Feet
Unavailable
Acres

Location

Add your commute

Virtual Tour

Building Information for 21 Decatur Street, Unit 1

Building/Complex21 Decatur StFloor1Stories3Residences3Pet Policy-Pet Policy Details-Year Built1873

Payment Calculator

$7,761 per month

30 year fixed, 6.55% Interest

Principal and Interest

$7,141

Property Taxes

$411

HOA Dues

$209

The Payment Calculator is for illustrative purposes only.

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Property Information for 21 Decatur Street, Unit 1

General Details
Property Details
  • Building Area Units: Square Feet
  • Community Features: Public Transportation, T-Station, University
  • Current Financing: Conv. Fixed
  • Living Area: 1619.0
  • SqFt with Basement: Yes
  • Total Units: 3
  • Type of Condo: Condo
  • Waterfront: No
  • Year Built Details: Actual
  • Year Converted: 2011
  • Year Built Source: Public Records
Features
Interior Features
  • Appliances: Range, Dishwasher, Disposal, Refrigerator, Freezer, Gas Water Heater, Tankless Water Heater
  • Basement Features: Y
  • Num of Baths: 3.0
  • Num of Full Baths: 2
  • Num of Half Baths: 1
  • Bathrooms Total Decimal: 2.50
  • Bathrooms Total Integer: 3
  • FireplaceYN: No
  • Fireplaces: 0
  • Laundry Features: In Basement, In Unit
  • Primary Bath: Yes
Exterior Features
  • Entry Location: Front
  • Structure Type: Townhouse
Parking Features
  • Covered Spaces: .00
  • Garage: No
  • Garage Parking: Off-Street
  • Parking Features: Off-Street
  • Parking Features: Off-Street
Utilities
  • Cooling: Central Air
  • Cooling: Yes
  • Heating: Central, Natural Gas
  • Heating: Yes
  • Sewer: City/Town Sewer
  • Water: Public
Room Information
Primary Bedroom
  • Primary Bedroom Level: Second Floor
Bedroom 2
  • Bedroom2 Level: Second
Bathroom 1
  • Bathroom1 Features: Bathroom - Half
  • Bathroom1 Level: First
Bathroom 2
  • Bathroom2 Features: Bathroom - Full
  • Bathroom2 Level: Second
Bathroom 3
  • Bathroom3 Features: Bathroom - Full
  • Bathroom3 Level: Second
Dining Room
  • Dining Room Level: First
Family Room
  • Family Room Level: Basement
Kitchen
  • Kitchen Level: First
Living Room
  • Room Living Room Level: First
Property Information
Property Info
  • Year Round: Yes
  • Farm Land Area Units: Square Feet
  • Lot Size Units: Acres
Tax Information
  • Tax ID: 4867544
  • Assessments: $1,253,800
  • Book: 64500
  • Tax Year: 2021
  • Zoning: C
Building / Association Information
Living Characteristics
  • Beds Total: 2
  • Total Living Levels: 3
Other Building Characteristics
  • Cooling Zones: 2
  • Heat Zones: 2
Complex & Association Information
  • Association Fee Frequency: Monthly
  • Association Fee Includes: Water, Sewer, Insurance, Maintenance Structure, Maintenance Grounds, Snow Removal
  • Complex Complete: Yes
Unit Information
Unit Information
  • Unit Building: 1
  • Unit Floor Level Integer: 1.0
Market and Agent Information
Sale Info
  • Buyer Broker Comp: 2.5
  • Other Agent Compensation: 0

Property History for 21 Decatur Street, Unit 1

DateEvent & SourcePriceAppreciation
Jul 13, 2021

Sold (Public Record)

Public Record #1466776670

$1,405,000

+7.3% / yr

Jul 13, 2021

Sold

MLS PIN #72841068

$1,405,000
Jun 8, 2021

Under Agreement

MLS PIN #72841068

DateEvent & SourcePrice
07/13/2021

Sold (Public Record)

Public Record #1466776670

$1,405,000

+7.3% / yr

07/13/2021

Sold

MLS PIN #72841068

$1,405,000
06/08/2021

Under Agreement

MLS PIN #72841068

For completeness, we often displays two records for one sale: the MLS record and the public record.

Public Records for 21 Decatur Street, Unit 1

Taxable ValueLand-Additions$1,466,600Total-
Tax Record2025$9,313 ($776 / month)
Home Facts
Beds2Baths2.5Total Finished SqFt1,128 SqFtAbove Grade Finished SqFt1,128 SqFtUnfinished Basement SqFt591 SqFtStories3Lot Size4,105 SqFtStyleCondominiumYear Built1873Year Renovated1873CountyMIDDLESEXAPNCAMB M:00094 L:0014400001

Schools near 21 Decatur Street, Unit 1

This home is within Cambridge School District.
Rating
School
Type
Grades
Distance
Public - PK to 8
Public - 9 to 12
Public - PK to 5
Public - PK to 5
Rating
School
Distance
The Amigos School
PublicPK to 8

Cambridge Rindge and Latin School
Public9 to 12

Morse School
PublicPK to 5

Martin Luther King, Jr. School
PublicPK to 5

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of any information, descriptions or measurements (including square footage measurements and property condition), such should be independently verified through appropriate means, including, but not limited to, in person inspection and public records, and Compass International Holdings, its subsidiaries, affiliates and independently owned and operated franchisees, and their affiliated agents and associated third parties expressly disclaim any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the seller's discretion. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of Splice Realty, Park Hou Group

The property listing data and information, or the images, set forth herein were provided to MLS Property Information Network, Inc., Martha's Vineyard MLS, CCIMLS, Link MLS, and Berkshire County Board of REALTORS from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc., Martha's Vineyard MLS, CCIMLS, Link MLS, and Berkshire County Board of REALTORS. The property listing data and information, and the images, are for the personal, non-commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLS Property Information Network, Inc., Martha's Vineyard MLS, CCIMLS, Link MLS, and Berkshire County Board of REALTORS and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the images, set forth herein.