As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2020
$5,549 (+1.2%)
$288,400
2019
$5,482 (+5.3%)
$283,000
2018
$5,204 (+8.2%)
$268,500
2017
$4,809 (+6.0%)
$252,300
2016
$4,538 (+4.1%)
$236,000
2015
$4,359 (+0.4%)
$228,800
2014
$4,343 (+7.8%)
$223,300
2013
$4,028
$210,900
Tax history for 439 Main St
Year
Property tax
Land + Additions
Assessment*
2020
$5,549 (+1.2%)
$288,400
2019
$5,482 (+5.3%)
$283,000
2018
$5,204 (+8.2%)
$268,500
2017
$4,809 (+6.0%)
$252,300
2016
$4,538 (+4.1%)
$236,000
2015
$4,359 (+0.4%)
$228,800
2014
$4,343 (+7.8%)
$223,300
2013
$4,028
$210,900
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
May 20, 2025 • Final
Electrical
Relocate the washer and dryer. Rewire the electrical systems in the den and bathroom.
Electrical
Plumbing
Apr 10, 2025 • Final
Plumbing
Construct a new bathroom on the second floor.
Bathroom
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Bathroom Information
# of Full Baths: 1
Heating & Cooling
Heating Type: Steam
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Townhouse
Property Information
Living Sq. Ft: 924
Gross Sq. Ft: 1,876
# of Units: 1
# of Stories: 2
Lot Information
# of Buildings: 1
Municipality Name: ACTON
State Use Description: CONDOMINIUM
Financial
Assessor Information
Assessment Year: 2020
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 924
Stories: 2.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1900
Year Renovated: —
County: Middlesex County
APN: 4875647
Home facts updated by county records on Aug 27, 2023
Around this home
Schools
Luther Conant School
Public K-6 • Assigned • 0.6mi
9/10
Raymond J Grey Junior High School
Public 7-8 • Assigned • 1.2mi
10/10
Acton-Boxborough Regional High School
Public 9-12 • Assigned • 1.2mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
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
4/10 Heat Factor
7 days above 96° expected this year, 15 days in 30 years
6/10 Wind Factor
27% 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
Acton, MA • 01720
Average low and high temperatures (°F)
32
17
35
18
50
30
61
39
69
49
81
59
85
65
81
57
74
53
63
42
51
34
38
22
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 9 hours in
June and 4.4 hours in December, placing it below the
U.S. average for solar exposure.
9 hrs
4.4 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$348,000 – $421,000
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