21 Riverside Dr is a 1,187 square foot house on a 0.29 acre lot with 3 bedrooms and 1 bathroom. Based on Redfin's Dover data, we estimate the home's value is $535,001.
Single-familyProperty Type
1956Year Built
0.29 acresLot Size
$451Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$535,001
$11K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 1.4% lower than the average sale price ($543K) 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*
2024
$8,742 (+18.2%)
$209,500 + $271,600
$481,100
2023
$7,398 (+2.2%)
$168,500 + $227,100
$395,600
2022
$7,240 (+3.7%)
$160,200 + $204,700
$364,900
2021
$6,979 (+1.4%)
$143,800 + $177,800
$321,600
2020
$6,881 (+1.2%)
$131,400 + $145,500
$276,900
2019
$6,799 (+5.2%)
$127,300 + $142,600
$269,900
2018
$6,464 (+6.4%)
$123,200 + $136,200
$259,400
2017
$6,077 (+3.8%)
$102,600 + $132,300
$234,900
2016
$5,852 (+6.4%)
$102,200 + $120,400
$222,600
2015
$5,500 (+0.2%)
$89,300 + $117,400
$206,700
2014
$5,488 (+2.2%)
$93,600 + $117,400
$211,000
2011
$5,371
$93,400 + $120,400
$213,800
Tax history for 21 Riverside Dr
Year
Property tax
Land + Additions
Assessment*
2024
$8,742 (+18.2%)
$209,500 + $271,600
$481,100
2023
$7,398 (+2.2%)
$168,500 + $227,100
$395,600
2022
$7,240 (+3.7%)
$160,200 + $204,700
$364,900
2021
$6,979 (+1.4%)
$143,800 + $177,800
$321,600
2020
$6,881 (+1.2%)
$131,400 + $145,500
$276,900
2019
$6,799 (+5.2%)
$127,300 + $142,600
$269,900
2018
$6,464 (+6.4%)
$123,200 + $136,200
$259,400
2017
$6,077 (+3.8%)
$102,600 + $132,300
$234,900
2016
$5,852 (+6.4%)
$102,200 + $120,400
$222,600
2015
$5,500 (+0.2%)
$89,300 + $117,400
$206,700
2014
$5,488 (+2.2%)
$93,600 + $117,400
$211,000
2011
$5,371
$93,400 + $120,400
$213,800
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Feb 11, 2025 • Final
Minor building - alteration and/or addition
Replace the existing roof with shingles and rubber material. Replace the cedar shake siding on the house with new vinyl siding.
Remodel
Roofing
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: 1,187
Basement Type: Full
Bathroom Information
# of Full Baths: 1
Heating & Cooling
Heating Type: Steam
Fireplace Information
# of Fireplaces: 2
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Ranch
Exterior Wall: Wood Siding/Shingle
Property Information
Living Sq. Ft: 1,187
Ground Floor Sq. Ft: 1,187
# 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: 12,632
Legal Lot Number: 19
Municipality Name: DOVER CITY
Acres: 0.29
Zoning Code: R-20
State Use Description: 1-FAMILY RESIDENCE
Financial
Assessor Information
Assessment Year: 2024
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 1,187
Stories: 1.0
Lot Size: 0.29 acres
Style: Single Family Residential
Year Built: 1956
Year Renovated: —
County: Strafford County
APN: 912610
Home facts updated by county records on Aug 5, 2026
Around this home
Schools
Garrison School
Public K-4 • Assigned • 1.8mi
7/10
Dover Middle School
Public 5-8 • Assigned • 3.0mi
6/10
Dover Senior High School
Public 9-12 • Assigned • 3.0mi
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
5/10 Heat Factor
7 days above 97° 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, 2 days in 30 years
Provided by First Street
Historical weather
Dover, NH • 03820
Average low and high temperatures (°F)
32
16
35
15
48
29
57
38
67
48
79
58
84
63
80
59
75
53
64
43
51
34
37
21
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
$509,000 – $616,000
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