383 Old Ayer Rd is a 4,445 square foot house on a 20 acre lot with 4 bedrooms and 2 bathrooms. Based on Redfin's Groton data, we estimate the home's value is $1,093,520.
Single-familyProperty Type
1900Year Built
20 acresLot Size
$246Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,093,520
$27K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 15.9% higher than the average sale price ($943K) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2026
$12,765 (+3.6%)
$413,000 + $450,700
$863,700
2025
$12,325 (+1.1%)
$400,400 + $407,800
$808,200
2024
$12,196 (+4.0%)
$400,400 + $407,800
$808,200
2023
$11,728 (+0.5%)
$400,400 + $349,500
$749,900
2022
$11,670 (+8.9%)
$379,800 + $299,100
$678,900
2021
$10,713 (+3.1%)
$355,200 + $253,500
$608,700
2020
$10,395 (+4.8%)
$368,400 + $229,700
$598,100
2019
$9,917 (+2.7%)
$357,100 + $190,500
$547,600
2018
$9,660 (−4.3%)
$357,100 + $160,300
$517,400
2017
$10,094 (+13.9%)
$375,900 + $176,900
$552,800
2016
$8,860 (+2.8%)
$318,500 + $153,300
$471,800
2015
$8,620 (+7.1%)
$318,500 + $153,300
$471,800
2014
$8,049 (+2.3%)
$309,800 + $153,300
$463,100
2013
$7,867 (+3.4%)
$315,100 + $151,800
$466,900
2012
$7,606 (−1.1%)
$321,200 + $151,800
$473,000
2011
$7,689 (−2.1%)
$317,600 + $151,800
$469,400
2010
$7,857 (+1.8%)
$356,600 + $141,300
$497,900
2009
$7,717
$390,400 + $148,500
$538,900
Tax history for 383 Old Ayer Rd
Year
Property tax
Land + Additions
Assessment*
2026
$12,765 (+3.6%)
$413,000 + $450,700
$863,700
2025
$12,325 (+1.1%)
$400,400 + $407,800
$808,200
2024
$12,196 (+4.0%)
$400,400 + $407,800
$808,200
2023
$11,728 (+0.5%)
$400,400 + $349,500
$749,900
2022
$11,670 (+8.9%)
$379,800 + $299,100
$678,900
2021
$10,713 (+3.1%)
$355,200 + $253,500
$608,700
2020
$10,395 (+4.8%)
$368,400 + $229,700
$598,100
2019
$9,917 (+2.7%)
$357,100 + $190,500
$547,600
2018
$9,660 (−4.3%)
$357,100 + $160,300
$517,400
2017
$10,094 (+13.9%)
$375,900 + $176,900
$552,800
2016
$8,860 (+2.8%)
$318,500 + $153,300
$471,800
2015
$8,620 (+7.1%)
$318,500 + $153,300
$471,800
2014
$8,049 (+2.3%)
$309,800 + $153,300
$463,100
2013
$7,867 (+3.4%)
$315,100 + $151,800
$466,900
2012
$7,606 (−1.1%)
$321,200 + $151,800
$473,000
2011
$7,689 (−2.1%)
$317,600 + $151,800
$469,400
2010
$7,857 (+1.8%)
$356,600 + $141,300
$497,900
2009
$7,717
$390,400 + $148,500
$538,900
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Nov 14, 2024 • Final
Electrical
Install electrical wiring for a new mini split system.
Electrical
HVAC
Nov 14, 2024 • Active
Sheet metal/mechanical
Install a mini-split heat pump system to provide heating and cooling for a storage shed.
Heat pump
HVAC
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
Basement Information
Basement Sq. Ft: 1,378
Bathroom Information
# of Full Baths: 1
# of 1/2 Baths: 2
Heating & Cooling
Heating Type: Forced Hot Water
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 7
Exterior
Exterior Information
Physical Condition: Fair
Building Style Type: Cape Cod
Exterior Wall: Wood Siding/Shingle
Roof Shape Type: Gable
Property Information
Living Sq. Ft: 4,445
Gross Sq. Ft: 6,726
Ground Floor Sq. Ft: 3,343
# of Units: 1
# of Stories: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 871,200
Municipality Name: GROTON
Acres: 20
Zoning Code: RA
State Use Description: 1-FAMILY RESIDENCE
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 4,445
Stories: 2.0
Lot Size: 20 acres
Style: Single Family Residential
Year Built: 1900
Year Renovated: —
County: Middlesex County
APN: 3239911S
Home facts updated by county records on Jul 29, 2026
Around this home
Schools
Florence Roche School
Public K-4 • Assigned • 2.4mi
8/10
Groton Dunstable Regional Middle School
Public 5-8 • Assigned • 2.4mi
7/10
Groton-Dunstable Regional High School
Public 9-12 • Assigned • 5.0mi
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
3/10 Fire Factor
0.62% chance of being 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
Groton, MA • 01450
Average low and high temperatures (°F)
31
17
34
18
50
30
60
39
68
49
79
60
84
65
79
59
74
54
63
43
50
34
36
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 4.3 hours in December, placing it below the
U.S. average for solar exposure.
9 hrs
4.3 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.04M – $1.26M
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