9 Northbriar Rd is a 2,178 square foot house on a 0.52 acre lot with 4 bedrooms and 2.5 bathrooms. Based on Redfin's Acton data, we estimate the home's value is $1,037,693.
Single-familyProperty Type
1986Year Built
0.52 acresLot Size
$476Est. Price/Sq.Ft.
2 garage spacesParking
Source:Public Records
Redfin Estimate
$1,037,693
$8,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 10.7% lower than the average sale price ($1.16M) 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
$14,969 (+7.0%)
$343,400 + $529,400
$872,800
2024
$13,988 (+2.5%)
$343,400 + $495,700
$839,100
2023
$13,641 (+5.7%)
$312,200 + $464,600
$776,800
2022
$12,905 (+0.2%)
$271,500 + $392,000
$663,500
2021
$12,880 (+6.0%)
$251,100 + $385,600
$636,700
2020
$12,146 (+5.6%)
$251,100 + $380,200
$631,300
2019
$11,506 (+1.8%)
$251,100 + $342,900
$594,000
2018
$11,302 (−0.9%)
$251,100 + $332,100
$583,200
2017
$11,404 (+2.0%)
$251,100 + $347,200
$598,300
2016
$11,175 (+4.1%)
$251,100 + $330,000
$581,100
2015
$10,738 (+3.5%)
$251,100 + $312,600
$563,700
2014
$10,375 (+0.6%)
$251,100 + $282,300
$533,400
2013
$10,312 (+6.6%)
$251,100 + $288,800
$539,900
2012
$9,670 (+2.6%)
$251,100 + $270,200
$521,300
2011
$9,425 (+2.9%)
$251,100 + $270,200
$521,300
2010
$9,156 (+2.8%)
$251,100 + $283,700
$534,800
2009
$8,903
$251,100 + $287,500
$538,600
Tax history for 9 Northbriar Rd
Year
Property tax
Land + Additions
Assessment*
2025
$14,969 (+7.0%)
$343,400 + $529,400
$872,800
2024
$13,988 (+2.5%)
$343,400 + $495,700
$839,100
2023
$13,641 (+5.7%)
$312,200 + $464,600
$776,800
2022
$12,905 (+0.2%)
$271,500 + $392,000
$663,500
2021
$12,880 (+6.0%)
$251,100 + $385,600
$636,700
2020
$12,146 (+5.6%)
$251,100 + $380,200
$631,300
2019
$11,506 (+1.8%)
$251,100 + $342,900
$594,000
2018
$11,302 (−0.9%)
$251,100 + $332,100
$583,200
2017
$11,404 (+2.0%)
$251,100 + $347,200
$598,300
2016
$11,175 (+4.1%)
$251,100 + $330,000
$581,100
2015
$10,738 (+3.5%)
$251,100 + $312,600
$563,700
2014
$10,375 (+0.6%)
$251,100 + $282,300
$533,400
2013
$10,312 (+6.6%)
$251,100 + $288,800
$539,900
2012
$9,670 (+2.6%)
$251,100 + $270,200
$521,300
2011
$9,425 (+2.9%)
$251,100 + $270,200
$521,300
2010
$9,156 (+2.8%)
$251,100 + $283,700
$534,800
2009
$8,903
$251,100 + $287,500
$538,600
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Property details
Interior
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Heating & Cooling
Heating Type: Forced Hot Water
Room Information
# of Rooms: 8
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Colonial
Exterior Wall: Vinyl
Roof Shape Type: Gable
Property Information
Living Sq. Ft: 2,178
Gross Sq. Ft: 3,998
# of Units: 1
# of Stories: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 22,651
Municipality Name: ACTON
Acres: 0.52
State Use Description: 1-FAMILY RESIDENCE
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 4
Baths: 2.5
Sq. Ft.: 2,178
Stories: 2.0
Lot Size: 0.52 acres
Style: Single Family Residential
Year Built: 1986
Year Renovated: —
County: Middlesex County
APN: 306716
Home facts updated by county records on Jul 16, 2026
Around this home
Schools
Luther Conant School
Public K-6 • Assigned • 2.9mi
9/10
Raymond J Grey Junior High School
Public 7-8 • Assigned • 3.4mi
10/10
Acton-Boxborough Regional High School
Public 9-12 • Assigned • 3.3mi
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
0.31% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 98° 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
98/ 100
Exceptional sunlight
Sunscore
This home ranks in the top 5% for direct sun exposure in the zip code. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
11.5 hrs
6.6 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$986,000 – $1.19M
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