As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2026
$18,306 (+765.1%)
$1,889,200
2025
$2,116 (+4.7%)
$173,000
2024
$2,021 (+3.0%)
$165,000
2023
$1,963 (+3.8%)
$151,000
2022
$1,891 (+0.3%)
$137,000
2021
$1,885 (+2.4%)
$131,000
2020
$1,841 (+4.3%)
$131,000
2019
$1,765 (+3.7%)
$125,000
2018
$1,702 (+4.0%)
$119,000
2017
$1,637 (+3.8%)
$113,000
2016
$1,577
$108,000
Tax history for 21 Cotter Rd
Year
Property tax
Land + Additions
Assessment*
2026
$18,306 (+765.1%)
$1,889,200
2025
$2,116 (+4.7%)
$173,000
2024
$2,021 (+3.0%)
$165,000
2023
$1,963 (+3.8%)
$151,000
2022
$1,891 (+0.3%)
$137,000
2021
$1,885 (+2.4%)
$131,000
2020
$1,841 (+4.3%)
$131,000
2019
$1,765 (+3.7%)
$125,000
2018
$1,702 (+4.0%)
$119,000
2017
$1,637 (+3.8%)
$113,000
2016
$1,577
$108,000
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Property details
Interior
Basement Information
Basement Sq. Ft: 930
Basement Type: Finished
Bathroom Information
# of Full Baths: 3
# of 1/2 Baths: 1
Heating & Cooling
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 7
Exterior
Exterior Information
Physical Condition: Average
Construction Type: Concrete
Exterior Wall: Wood Siding/Shingle
Roof Covering Type: Rubber/Elastomeric
Roof Shape Type: Flat
Property Information
Living Sq. Ft: 2,369
Gross Sq. Ft: 3,299
Ground Floor Sq. Ft: 930
# of Units: 1
# of Stories: 3
Lot Information
# of Buildings: 1
Municipality Name: NEWTON
Zoning Code: MR1
State Use Description: CONDOMINIUM
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 3.5
Sq. Ft.: 2,369
Stories: 3.0
Lot Size: —
Style: Condo/Co-op
Year Built: 2016
Year Renovated: —
County: Middlesex County
APN: 550510
Home facts updated by county records on Apr 21, 2026
Around this home
Schools
K - 12
Preschool & daycare
Zervas Elementary School
Public K-5 • Assigned • 0.4mi
7/10
Oak Hill Middle School
Public 6-8 • Assigned • 2.3mi
8/10
Newton South High School
Public 9-12 • Assigned • 2.3mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Comprising 13 distinct 'villages,' Newton remains a fiercely competitive Seller's market. With restrictive zoning, multiple T stops, and a suburban setting near Boston, this highly desirable, built-out city lacks new buildable land, ensuring new...