As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$4,294 (+11.1%)
$377,000
2024
$3,865
$366,000
2023
$3,867 (−4.1%)
$344,000
2022
$4,034 (+3.7%)
$349,000
2021
$3,889 (+0.4%)
$337,000
2020
$3,872 (−4.9%)
$352,000
2019
$4,073 (+18.5%)
$349,000
2018
$3,438 (+1.8%)
$283,000
2017
$3,376 (+1.8%)
$266,000
2016
$3,316 (+10.8%)
$264,000
2015
$2,993 (+0.3%)
$232,000
2014
$2,984 (+3.1%)
$221,000
2013
$2,893 (−0.1%)
$217,000
2012
$2,897 (+0.8%)
$217,000
2011
$2,873 (+5.9%)
$217,000
2010
$2,712 (+2.3%)
$223,000
2009
$2,651
$223,000
Tax history for 23 Thayer Rd
Year
Property tax
Land + Additions
Assessment*
2025
$4,294 (+11.1%)
$377,000
2024
$3,865
$366,000
2023
$3,867 (−4.1%)
$344,000
2022
$4,034 (+3.7%)
$349,000
2021
$3,889 (+0.4%)
$337,000
2020
$3,872 (−4.9%)
$352,000
2019
$4,073 (+18.5%)
$349,000
2018
$3,438 (+1.8%)
$283,000
2017
$3,376 (+1.8%)
$266,000
2016
$3,316 (+10.8%)
$264,000
2015
$2,993 (+0.3%)
$232,000
2014
$2,984 (+3.1%)
$221,000
2013
$2,893 (−0.1%)
$217,000
2012
$2,897 (+0.8%)
$217,000
2011
$2,873 (+5.9%)
$217,000
2010
$2,712 (+2.3%)
$223,000
2009
$2,651
$223,000
*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 Type: Partial
Bathroom Information
# of Full Baths: 1
Heating & Cooling
Heating Type: Forced Hot Water
Room Information
# of Rooms: 4
Exterior
Exterior Information
Physical Condition: Good
Construction Type: Frame
Exterior Wall: Brick
Property Information
Living Sq. Ft: 784
Ground Floor Sq. Ft: 784
# of Stories: 1
Lot Information
# of Buildings: 1
Land Sq. Ft: 3,995
Municipality Name: BELMONT
Acres: 0.0917
Zoning Code: R
State Use Description: CONDOMINIUM
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 1
Baths: 1.0
Sq. Ft.: 784
Stories: 1.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1958
Year Renovated: 1958
County: Middlesex County
APN: 423052S
Home facts updated by county records on Jul 29, 2026
Around this home
Schools
Butler Elementary School
Public K-3 • Assigned • 0.2mi
10/10
Belmont High School
Public 9-12 • Assigned • 1.5mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Belmont is a low-inventory, high-demand market driven both by restrictive zoning laws & proximity to Cambridge. New housing production is scarce, with demand for properties always exceeding supply. This will keep the market difficult for buyers and...