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Single Family ResidenceResidential
$284,220$199 / 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 96How 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 $101,500 on Oct 27, 1999

307 ROSEMONT DR

WILMINGTON, DE 19804
3
Beds
1
Baths
1,425 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.
3,920 ft²
Lot SizeThe size of the land the home sits on, from county records.
1956
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

$284K
$272K low$297K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$101,500 · Oct 27, 1999

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,206 (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.$278,500 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$45,900

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.62
82
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
22
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.
88
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.24 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.0.2 percent flood zone

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.0.09
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air
FireplaceWhether the home has a fireplace, and what kind.Yes

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

E
Baltz (Austin D.) Elementary SchoolD+
Elementary · Grades KG–5 · 0.9 mi
M
Stanton Middle SchoolD
Middle · Grades 6–8 · 3.8 mi
H
McKean (Thomas) High SchoolD-
High · Grades 9–12 · 4.5 mi

District: Red Clay Consolidated School District

Neighborhood · ZIP 19804These 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.102
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 100.75

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.9.0%
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.21,657
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,760 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,760
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$96,854
Average tempThe average temperature here across a full year.54°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

307 Rosemont 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 less than 74% of homes in New Castle County
  • Costs less per square foot than 65% of homes in New Castle County
  • Smaller than 68% of homes in New Castle County
  • Has a smaller lot than 92% of homes in Wilmington 19804
  • Newer than 70% of homes in Wilmington 19804

What homes are worth in Wilmington 19804

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

This home
$182K$428K

This home is worth more than 41% of homes in Wilmington 19804.

How it measures up in Wilmington 19804

The dot is this home. The mark in the middle is the typical home in Wilmington 19804.

Estimated value$284,220
CheaperTypical $296,947Pricier

Pricier than 41% of homes nearby

Price per ft²$199
CheaperTypical $216Pricier

Pricier than 36% of homes nearby

Living area1,425 ft²
SmallerTypical 1,350 ft²Bigger

Bigger than 58% of homes nearby

Lot size3,920 ft²
SmallerTypical 0.15 acBigger

Bigger than 8% of homes nearby

Year built1956
OlderTypical 1950Newer

Newer than 70% of homes nearby

How 307 Rosemont Dr ranks against every home in each area.
MeasureThis homeWilmington 19804New Castle County
Estimated valuepricier than$284,22041% of homes26% of homes
Price per ft²pricier than$19936% of homes35% of homes
Living areabigger than1,425 ft²58% of homes32% of homes
Lot sizebigger than3,920 ft²8% of homes22% of homes
Year builtnewer than195670% of homes30% of homes

About 307 Rosemont Dr

How much is 307 Rosemont Dr, Wilmington, DE worth?

The TopHap Estimate for 307 Rosemont Dr, Wilmington, DE is $284,220 as of Sep 24, 2026. The likely range is $271,818 to $296,622. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 307 Rosemont Dr, Wilmington, DE last sell?

307 Rosemont Dr, Wilmington, DE last sold on Oct 27, 1999 for $101,500, according to the county's recorded deed.

How big is 307 Rosemont Dr, Wilmington, DE?

307 Rosemont Dr, Wilmington, DE has 3 bedrooms, 1 bathrooms, 1,425 square feet of living space and a 0.09-acre lot.

When was 307 Rosemont Dr, Wilmington, DE built?

307 Rosemont Dr, Wilmington, DE was built in 1956, making it 70 years old. It is a ranch home. The building has 2 stories.

What schools serve 307 Rosemont Dr, Wilmington, DE?

307 Rosemont Dr, Wilmington, DE is assigned to Baltz (Austin D.) Elementary School (elementary), rated D+; Stanton Middle School (middle), rated D; McKean (Thomas) High School (high), rated D-. All sit in Red Clay Consolidated School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 307 Rosemont Dr, Wilmington, DE compare to other homes in Wilmington 19804?

Among the 6,585 homes in Wilmington 19804, it is worth more than 41% of them ($284,220 against a typical $296,947), its price per square foot is higher than 36% of them ($199 against a typical $216), it is bigger than 58% of them (1,425 ft² against a typical 1,350 ft²), its lot is bigger than 8% of them (3,920 ft² against a typical 0.15 ac) and it is newer than 70% of them (1956 against a typical 1950). Measured against all of New Castle County, it is worth more than 26% 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 307 Rosemont Dr, Wilmington, DE?

The 2025 property tax bill for 307 Rosemont Dr, Wilmington, DE was $2,206. The county assessed it at $278,500.

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