21 Sand Plain Rd is a 1,040 square foot house on a 2.01 acre lot with 2 bedrooms and 1 bathroom. Based on Redfin's Charlestown data, we estimate the home's value is $479,326.
Single-familyProperty Type
1965Year Built
2.01 acresLot Size
$461Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$479,326
$3,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 12.8% higher than the average sale price ($425K) 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
$2,483 (+2.6%)
$168,500 + $250,200
$418,700
2024
$2,420 (+0.7%)
$168,500 + $250,200
$418,700
2023
$2,403 (−0.6%)
$168,500 + $250,200
$418,700
2022
$2,418 (−0.1%)
$105,100 + $190,900
$296,000
2021
$2,421 (−0.6%)
$105,100 + $190,900
$296,000
2020
$2,436 (+4.2%)
$105,100 + $190,900
$296,000
2019
$2,338 (−4.3%)
$105,100 + $148,200
$253,300
2018
$2,442 (+0.5%)
$105,100 + $148,200
$253,300
2017
$2,429 (−1.5%)
$105,100 + $148,200
$253,300
2016
$2,467 (+1.0%)
$95,900 + $145,700
$241,600
2015
$2,443 (+2.1%)
$95,900 + $145,700
$241,600
2014
$2,392 (−0.9%)
$95,900 + $145,700
$241,600
2013
$2,413 (+1.7%)
$100,700 + $154,400
$255,100
2012
$2,372
$100,700 + $154,400
$255,100
Tax history for 21 Sand Plain Rd
Year
Property tax
Land + Additions
Assessment*
2025
$2,483 (+2.6%)
$168,500 + $250,200
$418,700
2024
$2,420 (+0.7%)
$168,500 + $250,200
$418,700
2023
$2,403 (−0.6%)
$168,500 + $250,200
$418,700
2022
$2,418 (−0.1%)
$105,100 + $190,900
$296,000
2021
$2,421 (−0.6%)
$105,100 + $190,900
$296,000
2020
$2,436 (+4.2%)
$105,100 + $190,900
$296,000
2019
$2,338 (−4.3%)
$105,100 + $148,200
$253,300
2018
$2,442 (+0.5%)
$105,100 + $148,200
$253,300
2017
$2,429 (−1.5%)
$105,100 + $148,200
$253,300
2016
$2,467 (+1.0%)
$95,900 + $145,700
$241,600
2015
$2,443 (+2.1%)
$95,900 + $145,700
$241,600
2014
$2,392 (−0.9%)
$95,900 + $145,700
$241,600
2013
$2,413 (+1.7%)
$100,700 + $154,400
$255,100
2012
$2,372
$100,700 + $154,400
$255,100
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
R40
Residence District
This zoning district is intended primarily for areas of existing, high density single family residential development distributed throughout the Town and existing village areas. This district is also intended to be consistent with the RI CRMC SAM Plan land use classification for water quality protection category of Lands Already Developed Beyond Carrying Capacity. It is further intended to implement the medium density residential proposed future land use category of the Town of Charlestown Comprehensive Plan 1991. The district minimum lot size is 40,000 sq ft.
Permitted uses
Include but are not limited to:
Agriculture
Community / recreation center
Religious facility
General retail
Housing-Group
Housing-Single unit
Office
Public service
Fire house
Recreation
Property details
Interior
Basement Information
Basement Sq. Ft: 1,040
Basement Type: Full
Bathroom Information
# of Full Baths: 1
Heating & Cooling
Heating Type: Forced Hot Water
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 5
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Ranch
Exterior Wall: Vinyl
Roof Shape Type: Gable
Property Information
Living Sq. Ft: 1,040
Gross Sq. Ft: 2,710
Ground Floor Sq. Ft: 1,040
# of Units: 1
# of Stories: 1
Parking & Garage Information
Parking Type: Attached Garage
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 87,556
Municipality Name: CHARLESTOWN
Acres: 2.01
Zoning Code: R40
State Use Description: 1-FAMILY RESIDENCE
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 1,040
Stories: 1.0
Lot Size: 2.01 acres
Style: Single Family Residential
Year Built: 1965
Year Renovated: —
County: Washington County
APN: 437136
Home facts updated by county records on Jun 22, 2026
Around this home
Schools
Charlestown Elementary School
Public K-4 • Assigned • 1.1mi
9/10
Chariho Regional Middle School
Public 5-8 • Assigned • 3.0mi
7/10
Chariho High School
Public 9-12 • Assigned • 3.1mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Historical weather
Charlestown, RI • 02813
Average low and high temperatures (°F)
36
21
38
22
48
33
57
41
65
50
77
60
82
66
80
61
74
57
65
46
55
35
41
26
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 9.1 hours in
June and 4.6 hours in December, which is comparable to the
U.S. average for solar exposure.
9.1 hrs
4.6 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$456,000 – $552,000
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