RESTORED ANTIQUE. CENTER CHIMNEY COLONIAL ON 45 INCREDIBLE ACRES. PERFECT FOR HORSES. IMPROVED KITCHEN, 2.5 BATHS, AND 6 FIREPLACES. A GORGEOUS HOME AT A GREAT PRICE!
Year
Property tax
Land + Additions
Assessment*
2025
$1,948 (−75.1%)
$108,800 + $19,100
$127,900
2024
$7,838 (+4.7%)
$106,400 + $398,300
$504,700
2023
$7,484 (−0.5%)
$101,600 + $354,200
$455,800
2022
$7,520 (+6.2%)
$123,500 + $301,600
$425,100
2021
$7,081 (+12.5%)
$123,500 + $258,200
$381,700
2020
$6,297 (−12.3%)
$116,500 + $217,900
$334,400
2019
$7,178 (+0.4%)
$119,100 + $208,200
$327,300
2018
$7,148 (−26.6%)
$101,200 + $253,200
$354,400
2017
$9,742 (+3.6%)
$237,500 + $230,200
$467,700
2016
$9,401 (+2.1%)
$237,500 + $230,200
$467,700
2015
$9,204 (+2.3%)
$237,500 + $230,200
$467,700
2014
$8,994 (−0.8%)
$237,500 + $233,400
$470,900
2013
$9,063 (+5.8%)
$249,500 + $269,300
$518,800
2012
$8,566 (+3.3%)
$249,500 + $272,200
$521,700
2011
$8,296 (+3.6%)
$276,600 + $280,200
$556,800
2010
$8,011 (+3.1%)
$290,400 + $296,900
$587,300
2009
$7,770
$318,600 + $331,100
$649,700
Public record
Beds
3
Baths
2.5
Stories
2
Lot width
—
Lot depth
—
Lot size
57.29 Acres
Year renovated
1980
Finished Sq. Ft.
2,976
Unfinished Sq. Ft.
—
Total Sq. Ft.
2,976
Year built
1769
Style
Single Family Residential
County
Middlesex County
APN
1551068S
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 30, 2026.
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
3/10 Heat Factor
7 days above 94° expected this year, 16 days in 30 years
4/10 Wind Factor
21% chance of strong winds in next 30 years
2/10 Air Factor
1 unhealthy days expected this year, 1 days in 30 years
Provided by First Street
Historical weather
Ashby, MA • 01431
Average low and high temperatures (°F)
29
14
32
16
47
27
57
37
66
47
77
57
83
63
78
58
72
52
61
41
48
32
34
19
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
92/ 100
Exceptional sunlight
Sunscore
There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
9.9 hrs
5.7 hrs
JuneDecember
Provided by Shadowmap
Redfin Estimate for 531 Mason Rd
$197,575
$27K under list price of $225K
Nearby comparable homes
The Redfin Estimate uses 6 recent nearby sales, priced between $133K to $705K.