Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
Last sold for $56,000 on Aug 20, 2015

509 FELTON AVE

GREGORY, SD 57533
0
Baths
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1958
Year BuiltThe year the home was originally built, according to county records.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$56,000 · Aug 20, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,230 (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.$92,946 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,878
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$88,068
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$72,761

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.33
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
45
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
62
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
37
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.

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
CountyGREGORY
Lot (acres)The size of the land the home sits on, from county records.0.22
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
Gregory Elementary - 02B
Elementary · Grades PK–5 · 0.2 mi
H
Gregory High School - 01D
High · Grades 9–12 · 0.2 mi
M
Gregory Junior High - 04B
Middle · Grades 6–8 · 0.2 mi

District: Gregory School District 26-4

Neighborhood · ZIP 57533These 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.126
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.40

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.85%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.5%
PopulationHow many people live in this area.1,870
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$49,176
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,118
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.24 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.63%

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

509 Felton Ave 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.

  • Has a smaller lot than 81% of homes in Gregory County

How it measures up in Gregory 57533

The dot is this home. The mark in the middle is the typical home in Gregory 57533.

Lot size0.22 ac
SmallerTypical 0.34 acBigger

Bigger than 27% of homes nearby

Year built1958
OlderTypical 1950Newer

Newer than 57% of homes nearby

How 509 Felton Ave ranks against every home in each area.
MeasureThis homeGregory 57533Gregory County
Lot sizebigger than0.22 ac27% of homes19% of homes
Year builtnewer than195857% of homes62% of homes

About 509 Felton Ave

When did 509 Felton Ave, Gregory, SD last sell?

509 Felton Ave, Gregory, SD last sold on Aug 20, 2015 for $56,000, according to the county's recorded deed.

When was 509 Felton Ave, Gregory, SD built?

509 Felton Ave, Gregory, SD was built in 1958, making it 68 years old.

What schools serve 509 Felton Ave, Gregory, SD?

509 Felton Ave, Gregory, SD is assigned to Gregory Elementary - 02 (elementary), rated B; Gregory High School - 01 (high), rated D; Gregory Junior High - 04 (middle), rated B. All sit in Gregory School District 26-4. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Felton Ave, Gregory, SD compare to other homes in Gregory 57533?

Among the 1,029 homes in Gregory 57533, its lot is bigger than 27% of them (0.22 ac against a typical 0.34 ac) and it is newer than 57% of them (1958 against a typical 1950). 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 Felton Ave, Gregory, SD?

The 2025 property tax bill for 509 Felton Ave, Gregory, SD was $1,230. The county assessed it at $92,946.

More homes on Felton Ave

Closest homes

More homes in Gregory 57533

Assigned schools

Explore the area

See this home in context

Open 509 Felton Ave 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