Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$191,923$223 / 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 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $134,000 on Sep 29, 2025

21 PIERSON PL

NEW CASTLE, DE 19720
3
Beds
1
Baths
862 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
1
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$192K
$171K low$213K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$134,000 · Sep 29, 2025

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$261,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$53,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$208,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$34,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$225,990

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.43
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
13
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.
79
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.Ranch
CountyNEW CASTLE
Lot (acres)The size of the land the home sits on, from county records.0.18
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Castle Hills Elementary SchoolD-
Elementary · Grades KG–5 · 0.4 mi
M
Calvin R. McCullough Middle SchoolF
Middle · Grades 6–8 · 0.8 mi
H
William Penn High SchoolD
High · Grades 9–12 · 1.6 mi

District: Colonial School District

Neighborhood · ZIP 19720These 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.92
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.72

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.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.62,421
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,200 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,145
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$95,209
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.44 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.70%

Owner Tools

Do you own this home?
Claim this home

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

21 Pierson Pl 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 92% of homes in New Castle 19720
  • Costs more per square foot than 68% of homes in New Castle 19720
  • Smaller than 98% of homes in New Castle County
  • Has a bigger lot than 66% of homes in New Castle 19720
  • Older than 71% of homes in New Castle County

What homes are worth in New Castle 19720

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

This home
$153K$667K

This home is worth more than 8% of homes in New Castle 19720.

How it measures up in New Castle 19720

The dot is this home. The mark in the middle is the typical home in New Castle 19720.

Estimated value$191,923
CheaperTypical $289,801Pricier

Pricier than 8% of homes nearby

Price per ft²$223
CheaperTypical $205Pricier

Pricier than 68% of homes nearby

Living area862 ft²
SmallerTypical 1,450 ft²Bigger

Bigger than 4% of homes nearby

Lot size0.18 ac
SmallerTypical 0.16 acBigger

Bigger than 66% of homes nearby

Year built1955
OlderTypical 1965Newer

Newer than 34% of homes nearby

How 21 Pierson Pl ranks against every home in each area.
MeasureThis homeNew Castle 19720New Castle County
Estimated valuepricier than$191,9238% of homes10% of homes
Price per ft²pricier than$22368% of homes57% of homes
Living areabigger than862 ft²4% of homes2% of homes
Lot sizebigger than0.18 ac66% of homes48% of homes
Year builtnewer than195534% of homes29% of homes

About 21 Pierson Pl

How much is 21 Pierson Pl, New Castle, DE worth?

The TopHap Estimate for 21 Pierson Pl, New Castle, DE is $191,923 as of Aug 30, 2026. The likely range is $171,029 to $212,817. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Pierson Pl, New Castle, DE last sell?

21 Pierson Pl, New Castle, DE last sold on Sep 29, 2025 for $134,000, according to the county's recorded deed.

How big is 21 Pierson Pl, New Castle, DE?

21 Pierson Pl, New Castle, DE has 3 bedrooms, 1 bathrooms, 862 square feet of living space and a 0.18-acre lot.

When was 21 Pierson Pl, New Castle, DE built?

21 Pierson Pl, New Castle, DE was built in 1955, making it 71 years old. It is a ranch home. The building has 1 story.

What schools serve 21 Pierson Pl, New Castle, DE?

21 Pierson Pl, New Castle, DE is assigned to Castle Hills Elementary School (elementary), rated D-; Calvin R. McCullough Middle School (middle), rated F; 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 21 Pierson Pl, New Castle, DE compare to other homes in New Castle 19720?

Among the 18,817 homes in New Castle 19720, it is worth more than 8% of them ($191,923 against a typical $289,801), its price per square foot is higher than 68% of them ($223 against a typical $205), it is bigger than 4% of them (862 ft² against a typical 1,450 ft²), its lot is bigger than 66% of them (0.18 ac against a typical 0.16 ac) and it is newer than 34% of them (1955 against a typical 1965). Measured against all of New Castle County, it is worth more than 10% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Pierson Pl

Closest homes

More homes in New Castle 19720

Assigned schools

Explore the area

See this home in context

Open 21 Pierson Pl on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map