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Single Family ResidenceResidential
$504,121$210 / 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 94How 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

51 CASTLE RUN DR

BEAR, DE 19701
4
Beds
4 / 1
Baths
2,400 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
Year BuiltThe year the home was originally built, according to county records.
2
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$504K
$473K low$535K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$370,321
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$296,257
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.27%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$133,800
DEL-ONE · recorded Dec 1, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,581 (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.$455,700 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$89,500

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.46
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
23
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
75
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
84
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.

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.Colonial
CountyNew Castle
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2007
Lot (acres)The size of the land the home sits on, from county records.0.22
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Heat Pump
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, Attached

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

E
Kathleen H. Wilbur Elementary SchoolC
Elementary · Grades KG–5 · 2.7 mi
M
Gunning Bedford Middle SchoolD
Middle · Grades 6–8 · 4.5 mi
H
William Penn High SchoolD
High · Grades 9–12 · 5.4 mi

District: Colonial School District

Neighborhood · ZIP 19701These 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.71
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.64

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.42,519
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,553 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$107,984
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$136,375
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

51 Castle Run Dr 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 73% of homes in New Castle County
  • Bigger than 75% of homes in New Castle County
  • Older than 76% of homes in Bear 19701

What homes are worth in Bear 19701

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

This home
$74K$796K

This home is worth more than 69% of homes in Bear 19701.

How it measures up in Bear 19701

The dot is this home. The mark in the middle is the typical home in Bear 19701.

Estimated value$504,121
CheaperTypical $428,039Pricier

Pricier than 69% of homes nearby

Price per ft²$210
CheaperTypical $215Pricier

Pricier than 44% of homes nearby

Living area2,400 ft²
SmallerTypical 2,050 ft²Bigger

Bigger than 67% of homes nearby

Lot size0.22 ac
SmallerTypical 0.22 acBigger

Bigger than 49% of homes nearby

Year built1987
OlderTypical 1994Newer

Newer than 24% of homes nearby

How 51 Castle Run Dr ranks against every home in each area.
MeasureThis homeBear 19701New Castle County
Estimated valuepricier than$504,12169% of homes73% of homes
Price per ft²pricier than$21044% of homes43% of homes
Living areabigger than2,400 ft²67% of homes75% of homes
Lot sizebigger than0.22 ac49% of homes57% of homes
Year builtnewer than198724% of homes64% of homes

About 51 Castle Run Dr

How much is 51 Castle Run Dr, Bear, DE worth?

The TopHap Estimate for 51 Castle Run Dr, Bear, DE is $504,121 as of Jul 14, 2026. The likely range is $473,214 to $535,028. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 51 Castle Run Dr, Bear, DE last sell?

51 Castle Run Dr, Bear, DE last sold on Jan 1, 1988, according to the county's recorded deed.

How big is 51 Castle Run Dr, Bear, DE?

51 Castle Run Dr, Bear, DE has 4 bedrooms, 4 bathrooms, 2,400 square feet of living space and a 0.22-acre lot.

When was 51 Castle Run Dr, Bear, DE built?

51 Castle Run Dr, Bear, DE was built in 1987, making it 39 years old. It is a colonial home. The building has 2 stories.

What schools serve 51 Castle Run Dr, Bear, DE?

51 Castle Run Dr, Bear, DE is assigned to Kathleen H. Wilbur Elementary School (elementary), rated C; Gunning Bedford Middle School (middle), rated D; William Penn High School (high), rated D. All sit in Colonial School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 51 Castle Run Dr, Bear, DE compare to other homes in Bear 19701?

Among the 14,308 homes in Bear 19701, it is worth more than 69% of them ($504,121 against a typical $428,039), its price per square foot is higher than 44% of them ($210 against a typical $215), it is bigger than 67% of them (2,400 ft² against a typical 2,050 ft²), its lot is bigger than 49% of them (0.22 ac against a typical 0.22 ac) and it is newer than 24% of them (1987 against a typical 1994). Measured against all of New Castle County, it is worth more than 73% 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 51 Castle Run Dr, Bear, DE?

The 2025 property tax bill for 51 Castle Run Dr, Bear, DE was $3,581. The county assessed it at $455,700.

More homes on Castle Run Dr

Closest homes

More homes in Bear 19701

Assigned schools

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