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Single Family ResidenceResidential
$476,199$219 / 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 Jul 14, 2026

400 RIVER RD

WILMINGTON, DE 19809
4
Beds
3 / 1
Baths
2,175 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.
0.54 ac
Lot SizeThe size of the land the home sits on, from county records.
2018
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$476K
$435K low$517K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,226 (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.$481,200 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$92,600

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.55
39
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
25
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
73
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
89
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
49
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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.Ranch
CountyNew Castle
Lot (acres)The size of the land the home sits on, from county records.0.54
RoofThe main material covering the roof, such as asphalt shingle or tile.Fiberglass
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached

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
Mount Pleasant Elementary SchoolB
Elementary · Grades KG–12 · 0.7 mi
H
Mount Pleasant High SchoolB
High · Grades 9–12 · 0.9 mi
M
Dupont (Pierre S.) Middle SchoolC+
Middle · Grades 6–8 · 1.9 mi

District: Brandywine School District

Neighborhood · ZIP 19809These 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.110
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.74

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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.14,554
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,083 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$86,566
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$104,852
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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

400 River Rd 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 more than 84% of homes in Wilmington 19809
  • Bigger than 82% of homes in Wilmington 19809
  • Has a bigger lot than 95% of homes in Wilmington 19809
  • Among the newest homes in Wilmington 19809

What homes are worth in Wilmington 19809

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

This home
$116K$647K

This home is worth more than 84% of homes in Wilmington 19809.

How it measures up in Wilmington 19809

The dot is this home. The mark in the middle is the typical home in Wilmington 19809.

Estimated value$476,199
CheaperTypical $365,137Pricier

Pricier than 84% of homes nearby

Price per ft²$219
CheaperTypical $228Pricier

Pricier than 43% of homes nearby

Living area2,175 ft²
SmallerTypical 1,550 ft²Bigger

Bigger than 82% of homes nearby

Lot size0.54 ac
SmallerTypical 0.18 acBigger

Bigger than 95% of homes nearby

Year built2018
OlderTypical 1947Newer

Newer than almost all homes nearby

How 400 River Rd ranks against every home in each area.
MeasureThis homeWilmington 19809New Castle County
Estimated valuepricier than$476,19984% of homes68% of homes
Price per ft²pricier than$21943% of homes49% of homes
Living areabigger than2,175 ft²82% of homes68% of homes
Lot sizebigger than0.54 ac95% of homes87% of homes
Year builtnewer than2018almost all homes97% of homes

About 400 River Rd

How much is 400 River Rd, Wilmington, DE worth?

The TopHap Estimate for 400 River Rd, Wilmington, DE is $476,199 as of Jul 14, 2026. The likely range is $434,916 to $517,482. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 400 River Rd, Wilmington, DE last sell?

400 River Rd, Wilmington, DE last sold on Jun 23, 2023, according to the county's recorded deed.

How big is 400 River Rd, Wilmington, DE?

400 River Rd, Wilmington, DE has 4 bedrooms, 3 bathrooms, 2,175 square feet of living space and a 0.54-acre lot.

When was 400 River Rd, Wilmington, DE built?

400 River Rd, Wilmington, DE was built in 2018, making it 8 years old. It is a ranch home. The building has 1 story.

What schools serve 400 River Rd, Wilmington, DE?

400 River Rd, Wilmington, DE is assigned to Mount Pleasant Elementary School (elementary), rated B; Mount Pleasant High School (high), rated B; Dupont (Pierre S.) Middle School (middle), rated C+. All sit in Brandywine School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 400 River Rd, Wilmington, DE compare to other homes in Wilmington 19809?

Among the 5,099 homes in Wilmington 19809, it is worth more than 84% of them ($476,199 against a typical $365,137), its price per square foot is higher than 43% of them ($219 against a typical $228), it is bigger than 82% of them (2,175 ft² against a typical 1,550 ft²), its lot is bigger than 95% of them (0.54 ac against a typical 0.18 ac) and it is newer than almost all of them (2018 against a typical 1947). Measured against all of New Castle County, it is worth more than 68% 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 400 River Rd, Wilmington, DE?

The 2025 property tax bill for 400 River Rd, Wilmington, DE was $8,226. The county assessed it at $481,200.

More homes on River Rd

Closest homes

More homes in Wilmington 19809

Assigned schools

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