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Single Family ResidenceResidential
$352,807$175 / 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 95How 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
Last sold for $224,995 on Feb 15, 2008

231 THORNTON ST

DOVER, DE 19901
4
Beds
3.5
Baths
2,014 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
2007
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$353K
$336K low$370K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$224,995 · Feb 15, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,772 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$284,900 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$58,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$226,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$284,900

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.37
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
12
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
72
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
78
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
25
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
CountyKENT
Lot (acres)The size of the land the home sits on, from county records.0.13
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Finished
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Major Street/Thoroughfare
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 66 ft²

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
East Dover Elementary SchoolD
Elementary · Grades KG–4 · 1.0 mi
H
Dover High SchoolD
High · Grades 9–12 · 4.2 mi

District: Capital School District

Neighborhood · ZIP 19901These 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.123
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.41

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.37,699
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.413 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,665
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$84,270
Average tempThe average temperature here across a full year.55°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.70%

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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

231 Thornton 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.

  • Costs less per square foot than 75% of homes in Kent County
  • Bigger than 76% of homes in Dover 19901
  • Has a smaller lot than 86% of homes in Kent County
  • Newer than 84% of homes in Dover 19901

What homes are worth in Dover 19901

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

This home
$157K$716K

This home is worth more than 60% of homes in Dover 19901.

How it measures up in Dover 19901

The dot is this home. The mark in the middle is the typical home in Dover 19901.

Estimated value$352,807
CheaperTypical $326,371Pricier

Pricier than 60% of homes nearby

Price per ft²$175
CheaperTypical $201Pricier

Pricier than 27% of homes nearby

Living area2,014 ft²
SmallerTypical 1,476 ft²Bigger

Bigger than 76% of homes nearby

Lot size0.13 ac
SmallerTypical 0.26 acBigger

Bigger than 19% of homes nearby

Year built2007
OlderTypical 1986Newer

Newer than 84% of homes nearby

How 231 Thornton St ranks against every home in each area.
MeasureThis homeDover 19901Kent County
Estimated valuepricier than$352,80760% of homes48% of homes
Price per ft²pricier than$17527% of homes25% of homes
Living areabigger than2,014 ft²76% of homes67% of homes
Lot sizebigger than0.13 ac19% of homes14% of homes
Year builtnewer than200784% of homes75% of homes

About 231 Thornton St

How much is 231 Thornton St, Dover, DE worth?

The TopHap Estimate for 231 Thornton St, Dover, DE is $352,807 as of Sep 24, 2026. The likely range is $335,852 to $369,762. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 231 Thornton St, Dover, DE last sell?

231 Thornton St, Dover, DE last sold on Feb 15, 2008 for $224,995, according to the county's recorded deed.

How big is 231 Thornton St, Dover, DE?

231 Thornton St, Dover, DE has 4 bedrooms, 3.5 bathrooms, 2,014 square feet of living space and a 0.13-acre lot.

When was 231 Thornton St, Dover, DE built?

231 Thornton St, Dover, DE was built in 2007, making it 19 years old. The building has 3 stories.

What schools serve 231 Thornton St, Dover, DE?

231 Thornton St, Dover, DE is assigned to East Dover Elementary School (elementary), rated D; Dover High School (high), rated D. All sit in Capital School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 231 Thornton St, Dover, DE compare to other homes in Dover 19901?

Among the 11,198 homes in Dover 19901, it is worth more than 60% of them ($352,807 against a typical $326,371), its price per square foot is higher than 27% of them ($175 against a typical $201), it is bigger than 76% of them (2,014 ft² against a typical 1,476 ft²), its lot is bigger than 19% of them (0.13 ac against a typical 0.26 ac) and it is newer than 84% of them (2007 against a typical 1986). Measured against all of Kent County, it is worth more than 48% 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 231 Thornton St, Dover, DE?

The 2026 property tax bill for 231 Thornton St, Dover, DE was $1,772. The county assessed it at $284,900.

More homes on Thornton St

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Assigned schools

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