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Single Family ResidenceResidential
$78,225$100 / 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 84How 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 $75,000 on Nov 27, 2024

509 STATE ST

SEAFORD, DE 19973
3
Beds
0
Baths
780 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
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.

Valuation

$78K
$66K low$91K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$75,000 · Nov 27, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$619 (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.$6,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$4,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$175,100

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.48
37
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
31
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.
76
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
22
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.7 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
CountySUSSEX
Lot (acres)The size of the land the home sits on, from county records.0.14
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Elevator

Transaction History(6)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(3)

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

M
Seaford Middle SchoolD
Middle · Grades 6–8 · 0.1 mi
H
Seaford High SchoolF
High · Grades 9–12 · 0.2 mi
E
West Seaford Elementary School
Elementary · Grades KG–2 · 1.3 mi

District: Seaford School District

Neighborhood · ZIP 19973These 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.96
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.32

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
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.28,398
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.312 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$64,526
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,399
Average tempThe average temperature here across a full year.56°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.69%

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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

509 State 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.

  • Among the least valuable homes in Sussex County
  • Among the lowest price per square foot in Sussex County
  • Smaller than 96% of homes in Seaford 19973
  • Has a smaller lot than 85% of homes in Seaford 19973
  • Older than 67% of homes in Sussex County

What homes are worth in Seaford 19973

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

This home
$113K$622K

This home is worth less than almost all homes in Seaford 19973.

How it measures up in Seaford 19973

The dot is this home. The mark in the middle is the typical home in Seaford 19973.

Estimated value$78,225
CheaperTypical $307,393Pricier

Cheaper than almost all homes nearby

Price per ft²$100
CheaperTypical $204Pricier

Cheaper than almost all homes nearby

Living area780 ft²
SmallerTypical 1,436 ft²Bigger

Bigger than 4% of homes nearby

Lot size0.14 ac
SmallerTypical 0.5 acBigger

Bigger than 15% of homes nearby

Year built1990
OlderTypical 1990Newer

Newer than 55% of homes nearby

How 509 State St ranks against every home in each area.
MeasureThis homeSeaford 19973Sussex County
Estimated valuepricier than$78,225almost no homesalmost no homes
Price per ft²pricier than$100almost no homesalmost no homes
Living areabigger than780 ft²4% of homes5% of homes
Lot sizebigger than0.14 ac15% of homes27% of homes
Year builtnewer than199055% of homes33% of homes

About 509 State St

How much is 509 State St, Seaford, DE worth?

The TopHap Estimate for 509 State St, Seaford, DE is $78,225 as of Sep 24, 2026. The likely range is $65,728 to $90,722. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 State St, Seaford, DE last sell?

509 State St, Seaford, DE last sold on Nov 27, 2024 for $75,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 509 State St, Seaford, DE?

509 State St, Seaford, DE has 3 bedrooms, 780 square feet of living space and a 0.14-acre lot.

When was 509 State St, Seaford, DE built?

509 State St, Seaford, DE was built in 1990, making it 36 years old. The building has 1 story.

What schools serve 509 State St, Seaford, DE?

509 State St, Seaford, DE is assigned to Seaford Middle School (middle), rated D; Seaford High School (high), rated F; West Seaford Elementary School (elementary). All sit in Seaford School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 State St, Seaford, DE compare to other homes in Seaford 19973?

Among the 10,145 homes in Seaford 19973, it is worth more than almost none of them ($78,225 against a typical $307,393), its price per square foot is higher than almost none of them ($100 against a typical $204), it is bigger than 4% of them (780 ft² against a typical 1,436 ft²), its lot is bigger than 15% of them (0.14 ac against a typical 0.5 ac) and it is newer than 55% of them (1990 against a typical 1990). Measured against all of Sussex County, it is worth more than almost no 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 509 State St, Seaford, DE?

The 2025 property tax bill for 509 State St, Seaford, DE was $619. The county assessed it at $6,200.

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