21 Cottage Park Ave, Cambridge MA 02140

Cambridge, MA 02140
$1,100,000
Est. $5,855/month
4
Beds
3
Baths
1,961
Sq Ft
$561
Price/Sq Ft
0.10
Acres
1889
Year Built
Single Family Residence
Type
41
Days on Market
Closed Listed Sep 26, 2025 • MLS# 73163697

About this home

Rare opportunity for a family, investor, or developer to renovate a fabulous home with boundless potential. Get inspired by the development next door at 19 Cottage Park Avenue, where an energy efficient, architectural masterpiece, is about to take shape. 21 Cottage Park Avenue is sited on an incredible 4,520sf lot with an expansive private garden, the size of which is seldom seen in Cambridge. The home offers a Total Area of 2,596sf and a Total Gross Living Area of 1,791sf. Located in Zone B with Floor Area Ratio of 0.5 allowing for an increase in living space (buyers to perform due diligence on expansion possibilities). Whether commuting by car, public transportation (MBA Red Line or bus routes), bicycle or by foot, this is the commuter’s dream location for access to world renowned educational instructions, Kendall Square innovation district, local hot spots such as Davis and Porter squares, the many amenities of North Cambridge, downtown Boston and the highway network.

Sale Statistics

Sale Overview
Original List Price: $1,295,000
Final Sale Price: $1,100,000
Difference: $195,000 (-15.1%)
Performance Metrics
84.9%
List to Sale Ratio
Sold below asking price
41
Days on Market
Average time
Price per Square Foot Analysis
Original $/sq ft: $660
Sale $/sq ft: $561
This property sold for $561 per square foot
Sale Summary

This property sold for 15.1% below the original asking price.

The property spent 41 days on market before selling.

Facts & Features

Property Overview

Property Type
Single Family Residence
Property Category
Residential
Year Built
1889
Bedrooms
4
Full Bathrooms
3
Living Area
1,961 sq ft
Total Rooms
8

Interior Features

Heating
Baseboard, Natural Gas
Has Heating
Yes
Cooling
Window Unit(s)
Has Cooling
Yes
Has Fireplace
Yes
Number of Fireplaces
1
Appliances
Gas Water Heater, Range, Dishwasher, Disposal, Refrigerator, Freezer
Interior Features
Internet Available - Broadband
Basement Details
Full, Walk-Out Access, Concrete, Unfinished
Accessibility Features
No

Exterior & Structure

Architectural Style
Victorian
Roof
Shingle, Rubber
Foundation
Stone
Exterior Features
Deck, Professional Landscaping, Sprinkler System, Fenced Yard
Patio/Porch Features
Deck
Fencing
Fenced/Enclosed, Fenced
Has Spa
No
Waterfront Property
No

Lot & Land

Lot Size
0.10 acres
Lot Size
4,520 sq ft
Lot Size Area
0.1000
Lot Features
Level
Road Frontage Type
Public

Parking & Garage

Has Garage
No
Total Non-Garage Parking Spaces
3
Parking Features
Off Street, Driveway

Utilities & Systems

Utilities Available
for Gas Range
Water Source
Public
Sewer
Public Sewer

Community & HOA

Community Features
Public Transportation, Shopping, Park, Walk/Jog Trails, Medical Facility, Bike Path, Conservation Area, Highway Access, Private School, Public School, T-Station, University
HOA
No
Senior Community
No

Financial & Tax Information

Annual Tax Amount
$7,113
Tax Year
2023
Tax Assessed Value
$1,213,800
Parcel Number
M:00189 L:00040,413233
Zoning
B

Additional Details

Year Built Source
Public Records
Year Built Details
Approximate
Attached Property
No
Disclosures
House at #19 has received a demolition permit. Developer's project plans on DOCUMENTS tab. These plans may not be final.

Location

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Neighborhood

21 Cottage Park Ave, Cambridge MA 02140

Cambridge, MA 02140

Walkability

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Schools

School information not available

Monthly Payment Calculator

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Estimated Monthly Payment $0

Payment Breakdown

Principal & Interest $0
Property Tax $593
Homeowners Insurance $200
PMI $0

Property History

Market Insights

15.1%
Price Range
352
Total Days on Market

Property Timeline

Sold
Dec 29, 2023
$1,100,000
Property sold
Days on Market: 352
🏠
Listed for Sale
Sep 26, 2023
$1,295,000
Original listing
Agent: Jonathan Radford Office: Coldwell Banker Realty - Boston

Price & Status History

Date Event Price Change
Sep 26, 2023 New Listing Added $1,295,000

Market Statistics

Days on Market
41 days
Price per Sq Ft
$561

Tax History

Year Taxes Assessment
2023 $7,113 $1,213,800

Financial Details

Annual Property Tax
$7,113
Tax Year 2023
Assessed Value
$1,213,800

Listing Information

Listing Agent Jonathan Radford
Listing Office Coldwell Banker Realty - Boston
Agent MLS ID BB800886
Office MLS ID AN6192

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