21 Cottage Park Ave, Cambridge MA 02140
Cambridge, MA 02140
$1,100,000
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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.
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.
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Property History
Market Insights
69.4%
Price Range
352
Total Days on Market
Property Timeline
Current Active Listing - MLS #73584464
Full transaction history available when tracking began
Currently Listed
Sep 30, 2026
$3,599,950
MLS #73584464 - Active
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
| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 09/30/2026 | 🏡 Currently Listed | $3,599,950 | - | - | MLS #73584464 - Active |
| 12/29/2023 | ✓ Sold | $1,100,000 | - | - | Property sold |
| 09/26/2023 | 🏠 Listed for Sale | $1,295,000 | - | - | Original listing |
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
Facts & Features
Home Facts
Type
Residential
Style
Single Family Residence
Year Built
1889
Living Area
1,961 sq ft
Lot Size
0.10 acres
Bedrooms
4
Full Baths
3
Total Rooms
8
Interior
Heating
Baseboard, Natural Gas
Cooling
Window Unit(s)
Flooring
None
Appliances
Gas Water Heater, Range, Dishwasher, Disposal, Refrigerator, Freezer
Fireplace
None
Fireplaces
1
Basement
Full, Walk-out Access, Concrete, Unfinished
Laundry
None
Features
Internet Available - Broadband
Exterior
Construction
None
Architecture
Victorian
Roof
Shingle, Rubber
Features
Deck, Professional Landscaping, Sprinkler System, Fenced Yard
Pool
None
Spa
None
Fencing
Fenced/enclosed, Fenced
Patio/Porch
Deck
Parking
Features
Off Street, Driveway
Total Spaces
3
Utilities
Electric
None
Water
Public
Sewer
Public Sewer
Gas
None
Other
For Gas Range
Financial
Annual Tax
$7,113
Assessed Value
$1,213,800
HOA & Community
Fee Includes
None
Amenities
None
Optional Fee Includes
None
MA Disclosures
Seller Disclosures
House At #19 Has Received A Demolition Permit. Developers Project Plans On Documents Tab. These Plans May Not Be Final.
Additional Details
Possession
None
Accepted Financing
None
Structure Type
[]
House Color
Light blue
Sq Ft Source
Measured
Sq Ft Disclosures
Total Area of 2,596sf and Total Gross Living Area of 1,791sf. See floor plan for full details.
Documents
None
County
Middlesex
Total market time (incl. prior listings)
352 days
Property Overview
Property Type
Single Family Residence
Listing Type
Sold
Year Built
1889
Bedrooms
4
Full Bathrooms
3
Living Area
1,961 sq ft
Total Rooms
8
Floor Layout
Interactive room guide
Floor Layout
FeaturesYes
Display Options
Outdoor Areas
Patio & porchDeck
Room Markers
BABathroom (4)
BRBedroom (5)
DDining (1)
KKitchen (1)
LLiving (2)
OOffice (1)
Conceptual diagram based on MLS room data. It is not to scale and is not a substitute for architectural plans or on-site measurements.
Interior Features
Flooring:
Appliances:
Gas Water Heater, Range, Dishwasher, Disposal, Refrigerator, Freezer
Interior Features:
Internet Available - Broadband
Windows:
Basement:
Full, Walk-Out Access, Concrete, Unfinished
Laundry:
Security:
Construction & Materials
Style:
Victorian
Year Built:
1889
Structure Type:
Exterior Materials:
Roof:
Shingle, Rubber
Foundation:
Stone
Heating, Cooling & Utilities
Heating:
Baseboard, Natural Gas
Heating Zones:
5
Cooling:
Window Unit(s)
Hot Water:
Water Source:
Public
Sewer:
Public Sewer
Energy Features:
Exterior & Lot
Exterior Features:
Deck, Professional Landscaping, Sprinkler System, Fenced Yard
Patio & Porch:
Deck
Fencing:
Fenced/Enclosed, Fenced
Other Structures:
Lot Features:
Level
Road Surface:
Parking & Garage
Total Parking Spaces:
3
Parking Features:
Off Street, Driveway
Special Features
Fireplaces:
1
Fireplace Type:
Community Amenities:
Public Transportation, Shopping, Park, Walk/Jog Trails, Medical Facility, Bike Path, Conservation Area, Highway Access, Private School, Public School, T-Station, University
Nearby Schools
School District
Cambridge School District local
A-
Where Graduates Go
Class of 2021
65%
attend college
58%
4-Year
7%
2-Year
23%
Out of State
7%
Working
School Safety
2024-25
1.2%
Low
0.8%
Suspensions
0.2%
In-School
0.4%
Emergency
4.3% below state avg
Elementary Schools
10 schools
Lycee International de Boston/International School of Boston, Inc.
0.2 mi
Grades 01-12
A
Benjamin Banneker Charter Public School
0.5 mi
|
#105 of 825
|
Score: 59.1
Dropped 84 spots from last year
+0.9 above state avg
344 students
Less Diverse
Grades PK-06
Cambridge Friends School
0.8 mi
Grades PK-08
Cambridge Montessori School
0.9 mi
Grades PK-06
Fayerweather Street School
1.2 mi
Grades PK-08
St. Peter Elementary School
1.3 mi
Grades PK-08
Shady Hill School
2.0 mi
Grades PK-08
C
Prospect Hill Academy Charter School
2.7 mi
|
#246 of 346
|
Score: 47.4
Improved 36 spots from last year
-10.8 below state avg
888 students
Diverse
Rising School
College Ready Curriculum
Diverse Student Body
Grades PK-12
A
Amigos School
2.8 mi
|
#46 of 352
|
Score: 57.6
Improved 13 spots from last year
-0.6 below state avg
421 students
Diverse
Diverse Student Body
Strong Attendance
Grades PK-08
International School of Boston
0.2 mi
Grades PK-K
Middle Schools
5 schools
Allium Montessori School
1.6 mi
Grades 01-06
A
Rindge Avenue Upper School
0.5 mi
|
#66 of 352
|
Score: 54.0
Dropped 1 spots from last year
-4.2 below state avg
278 students
Diverse
Diverse Student Body
Strong Attendance
Grades 06-08
A-
Putnam Avenue Upper School
2.4 mi
|
#104 of 352
|
Score: 49.2
Dropped 25 spots from last year
-9 below state avg
286 students
Very Diverse
Diverse Student Body
Grades 06-08
B-
Cambridge Street Upper School
2.8 mi
|
#207 of 352
|
Score: 39.9
Dropped 19 spots from last year
-18.3 below state avg
317 students
Very Diverse
Diverse Student Body
Grades 06-08
B+
Darby Vassall Upper School
3.1 mi
|
#119 of 352
|
Score: 47.6
Improved 25 spots from last year
-10.6 below state avg
296 students
Very Diverse
Rising School
Diverse Student Body
Grades 06-08
High Schools
3 schools
Farr Academy School
2.9 mi
Grades 07-12
NuVu Innovation School
2.9 mi
Grades 08-12
B-
Community Charter School of Cambridge
3.3 mi
|
#205 of 346
|
Score: 51.9
Dropped 84 spots from last year
-6.3 below state avg
244 students
Diverse
7 sports
• 202 athletes
High Graduation Rate
College Ready Curriculum
Grades 06-12
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Location
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Neighborhood
21 Cottage Park Ave, Cambridge MA 02140
Cambridge, MA 02140
Listing Information
Listing Agent
Jonathan Radford
Listing Office
Coldwell Banker Realty - Boston
Office Phone
617-266-4430
Agent MLS ID
BB800886
Office MLS ID
AN6192
Listing Data Updated
Dec 29, 2023 3:08 PM EST
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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