4 Mockingbird Hill Rd is a 3,100 square foot house on a 0.74 acre lot with 4 bedrooms and 2.5 bathrooms. Based on Redfin's Groton data, we estimate the home's value is $1,161,353.
Single-familyProperty Type
2018Year Built
0.74 acresLot Size
$375Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,161,353
$2,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 16.6% higher than the average sale price ($996K) 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*
2025
$15,502 (+0.7%)
$270,000 + $746,500
$1,016,500
2024
$15,395 (+6.4%)
$270,000 + $750,200
$1,020,200
2023
$14,475 (+11.6%)
$270,000 + $655,500
$925,500
2022
$12,970 (+0.6%)
$215,200 + $539,300
$754,500
2021
$12,892 (−4.0%)
$195,100 + $537,400
$732,500
2020
$13,428 (+3,151.3%)
$211,400 + $561,200
$772,600
2019
$413 (+0.5%)
$22,800
2018
$411 (+2.2%)
$22,000
2017
$402 (+12.6%)
$22,000
2016
$357 (+2.9%)
$19,000
2015
$347
$19,000
Tax history for 4 Mockingbird Hill Rd
Year
Property tax
Land + Additions
Assessment*
2025
$15,502 (+0.7%)
$270,000 + $746,500
$1,016,500
2024
$15,395 (+6.4%)
$270,000 + $750,200
$1,020,200
2023
$14,475 (+11.6%)
$270,000 + $655,500
$925,500
2022
$12,970 (+0.6%)
$215,200 + $539,300
$754,500
2021
$12,892 (−4.0%)
$195,100 + $537,400
$732,500
2020
$13,428 (+3,151.3%)
$211,400 + $561,200
$772,600
2019
$413 (+0.5%)
$22,800
2018
$411 (+2.2%)
$22,000
2017
$402 (+12.6%)
$22,000
2016
$357 (+2.9%)
$19,000
2015
$347
$19,000
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Feb 20, 2024 • Final
Electrical
Finish the basement of a residential building.
Remodel
Feb 7, 2024 • Active
Sheet metal/mechanical
Modify the existing first floor heating and air conditioning system to provide heat to a newly finished basement area.
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: 1,420
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Heating & Cooling
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 8
Exterior
Exterior Information
Physical Condition: Very Good
Building Style Type: Colonial
Exterior Wall: Vinyl
Roof Shape Type: Gable
Property Information
Living Sq. Ft: 3,100
Gross Sq. Ft: 5,276
Ground Floor Sq. Ft: 1,440
# of Units: 1
# of Stories: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 32,234
Municipality Name: GROTON
Acres: 0.74
Zoning Code: RA
State Use Description: 1-FAMILY RESIDENCE
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 4
Baths: 2.5
Sq. Ft.: 3,100
Stories: 2.0
Lot Size: 0.74 acres
Style: Single Family Residential
Year Built: 2018
Year Renovated: —
County: Middlesex County
APN: 4681709
Home facts updated by county records on Jul 16, 2026
Around this home
Schools
Florence Roche School
Public K-4 • Assigned • 3.6mi
8/10
Groton Dunstable Regional Middle School
Public 5-8 • Assigned • 3.7mi
7/10
Groton-Dunstable Regional High School
Public 9-12 • Assigned • 5.1mi
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
4/10 Fire Factor
2% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 96° expected this year, 16 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
80
58
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
$1.10M – $1.34M
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