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Single Family ResidenceResidential
$386,530$281 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

15 PREBLE ST

DOVER, NH 03820
3
Beds
1
Baths
1,376 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1890
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$387K
$354K low$419K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,841 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$296,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$115,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$181,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$340,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$350,930

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.18 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountySTRAFFORD
Lot (acres)The size of the land the home sits on, from county records.0.12
HeatingThe type of heating system in the home.Steam
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Frances G. Hopkins Elementary School At Horne StreetB+
Elementary · Grades KG–4 · 0.8 mi
M
Dover Middle SchoolB-
Middle · Grades 5–8 · 1.6 mi
H
Dover High SchoolC
High · Grades 9–12 · 1.8 mi

District: Dover School District

Neighborhood · ZIP 03820These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.100
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.106

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.33,546
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,143 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$98,826
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$120,547
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.45 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

15 Preble St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth less than 86% of homes in Dover 03820
  • Costs less per square foot than 88% of homes in Dover 03820
  • Smaller than 66% of homes in Dover 03820
  • Has a smaller lot than 97% of homes in Strafford County
  • Older than 92% of homes in Strafford County

What homes are worth in Dover 03820

Each bar is how many homes fall in that price range. The marker is this home.

This home
$215K$1.4M

This home is worth more than 14% of homes in Dover 03820.

How it measures up in Dover 03820

The dot is this home. The mark in the middle is the typical home in Dover 03820.

Estimated value$386,530
CheaperTypical $549,004Pricier

Pricier than 14% of homes nearby

Price per ft²$281
CheaperTypical $345Pricier

Pricier than 12% of homes nearby

Living area1,376 ft²
SmallerTypical 1,680 ft²Bigger

Bigger than 34% of homes nearby

Lot size0.12 ac
SmallerTypical 0.39 acBigger

Bigger than 5% of homes nearby

Year built1890
OlderTypical 1976Newer

Newer than 10% of homes nearby

How 15 Preble St ranks against every home in each area.
MeasureThis homeDover 03820Strafford County
Estimated valuepricier than$386,53014% of homes19% of homes
Price per ft²pricier than$28112% of homes38% of homes
Living areabigger than1,376 ft²34% of homes35% of homes
Lot sizebigger than0.12 ac5% of homes3% of homes
Year builtnewer than189010% of homes8% of homes

About 15 Preble St

How much is 15 Preble St, Dover, NH worth?

The TopHap Estimate for 15 Preble St, Dover, NH is $386,530 as of Sep 24, 2026. The likely range is $353,611 to $419,449. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 15 Preble St, Dover, NH last sell?

15 Preble St, Dover, NH last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 15 Preble St, Dover, NH?

15 Preble St, Dover, NH has 3 bedrooms, 1 bathrooms, 1,376 square feet of living space and a 0.12-acre lot.

When was 15 Preble St, Dover, NH built?

15 Preble St, Dover, NH was built in 1890, making it 136 years old. It is a conventional home. The building has 2 stories.

What schools serve 15 Preble St, Dover, NH?

15 Preble St, Dover, NH is assigned to Frances G. Hopkins Elementary School At Horne Street (elementary), rated B+; Dover Middle School (middle), rated B-; Dover High School (high), rated C. All sit in Dover School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 15 Preble St, Dover, NH compare to other homes in Dover 03820?

Among the 9,553 homes in Dover 03820, it is worth more than 14% of them ($386,530 against a typical $549,004), its price per square foot is higher than 12% of them ($281 against a typical $345), it is bigger than 34% of them (1,376 ft² against a typical 1,680 ft²), its lot is bigger than 5% of them (0.12 ac against a typical 0.39 ac) and it is newer than 10% of them (1890 against a typical 1976). Measured against all of Strafford County, it is worth more than 19% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 15 Preble St, Dover, NH?

The 2025 property tax bill for 15 Preble St, Dover, NH was $5,841. The county assessed it at $296,800.

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