12 Spring St is a 1,221 square foot house on a 3,485 square foot lot with 2 bedrooms and 1.5 bathrooms. Based on Redfin's Dover data, we estimate the home's value is $470,473.
Single-familyProperty Type
1900Year Built
3,485 sq ftLot Size
$385Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$470,473
$3,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.4% higher than the average sale price ($469K) 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
$7,310 (+11.7%)
$161,900 + $240,400
$402,300
2023
$6,543 (+2.6%)
$138,800 + $211,100
$349,900
2022
$6,377 (−0.8%)
$131,100 + $190,300
$321,400
2021
$6,430 (+1.4%)
$131,100 + $165,200
$296,300
2020
$6,339 (+4.6%)
$119,500 + $135,600
$255,100
2019
$6,063 (+7.9%)
$107,900 + $132,800
$240,700
2018
$5,619 (+9.4%)
$96,400 + $129,100
$225,500
2017
$5,135 (+5.9%)
$73,300 + $125,200
$198,500
2016
$4,851 (+2.7%)
$65,300 + $119,200
$184,500
2015
$4,723 (+2.3%)
$61,300 + $116,200
$177,500
2014
$4,617 (−1.8%)
$61,300 + $116,200
$177,500
2011
$4,702
$79,900 + $107,300
$187,200
Tax history for 12 Spring St
Year
Property tax
Land + Additions
Assessment*
2024
$7,310 (+11.7%)
$161,900 + $240,400
$402,300
2023
$6,543 (+2.6%)
$138,800 + $211,100
$349,900
2022
$6,377 (−0.8%)
$131,100 + $190,300
$321,400
2021
$6,430 (+1.4%)
$131,100 + $165,200
$296,300
2020
$6,339 (+4.6%)
$119,500 + $135,600
$255,100
2019
$6,063 (+7.9%)
$107,900 + $132,800
$240,700
2018
$5,619 (+9.4%)
$96,400 + $129,100
$225,500
2017
$5,135 (+5.9%)
$73,300 + $125,200
$198,500
2016
$4,851 (+2.7%)
$65,300 + $119,200
$184,500
2015
$4,723 (+2.3%)
$61,300 + $116,200
$177,500
2014
$4,617 (−1.8%)
$61,300 + $116,200
$177,500
2011
$4,702
$79,900 + $107,300
$187,200
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jun 19, 2026 • Final
Electrical wiring
Install a new dedicated electrical circuit for a washing machine. Install or replace a ground fault circuit interrupter outlet for the washer.
Electrical
Jul 22, 2025 • Final
Mechanical - climate control (oil, gas, exhaust, ventilation)
Install a multi-head mini-split system.
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: 600
Basement Type: Full
Bathroom Information
# of Full Baths: 1
# of 1/2 Baths: 1
Heating & Cooling
Heating Type: Steam
Room Information
# of Rooms: 5
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Conventional
Exterior Wall: Wood Siding/Shingle
Property Information
Living Sq. Ft: 1,221
Ground Floor Sq. Ft: 600
# of Units: 1
# of Stories: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 3,485
Municipality Name: DOVER CITY
Acres: 0.08
Zoning Code: HR
State Use Description: 1-FAMILY RESIDENCE
Financial
Assessor Information
Assessment Year: 2024
Public facts
Beds: 2
Baths: 1.5
Sq. Ft.: 1,221
Stories: 2.0
Lot Size: 3,485 square feet
Style: Single Family Residential
Year Built: 1900
Year Renovated: 1900
County: Strafford County
APN: 906853
Home facts updated by county records on Aug 5, 2026
Around this home
Schools
Woodman Park School
Public PreK-4 • Assigned • 0.5mi
4/10
Dover Middle School
Public 5-8 • Assigned • 0.9mi
6/10
Dover Senior High School
Public 9-12 • Assigned • 1.1mi
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 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, 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 8.8 hours in
June and 4.3 hours in December, placing it below the
U.S. average for solar exposure.
8.8 hrs
4.3 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$447,000 – $542,000
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