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Single Family ResidenceResidential
$130,465$84 / 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 95How 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 $120,000 on Aug 30, 2023

509 E PROSPECT ST

FARMINGTON, IL 61531
0
Baths
1,560 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.
0.27 ac
Lot SizeThe size of the land the home sits on, from county records.
1954
Year BuiltThe year the home was originally built, according to county records.

Valuation

$130K
$123K low$138K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$120,000 · Aug 30, 2023

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.$35,440 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,750
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$31,690
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$34,080
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$106,426

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.37
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
76
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
72
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
19
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
CountyFULTON
Lot (acres)The size of the land the home sits on, from county records.0.27
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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.

M
Farmington Central Junior High SchoolB+
Middle · Grades 6–8 · 1.0 mi
H
Farmington Central High SchoolC-
High · Grades 9–12 · 1.0 mi
E
Farmington Central Elementary SchoolB-
Elementary · Grades PK–5 · 1.0 mi

District: Farmington Central Community Unit School District 265

Neighborhood · ZIP 61531These 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.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.3,492
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.59 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$67,771
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$80,870
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.37 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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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 E Prospect 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.

  • Worth more than 69% of homes in Fulton County
  • Costs less per square foot than 76% of homes in Farmington 61531
  • Bigger than 85% of homes in Fulton County

What homes are worth in Farmington 61531

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

This home
$44K$360K

This home is worth more than 59% of homes in Farmington 61531.

How it measures up in Farmington 61531

The dot is this home. The mark in the middle is the typical home in Farmington 61531.

Estimated value$130,465
CheaperTypical $121,621Pricier

Pricier than 59% of homes nearby

Price per ft²$84
CheaperTypical $116Pricier

Pricier than 24% of homes nearby

Living area1,560 ft²
SmallerTypical 1,180 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.27 ac
SmallerTypical 0.28 acBigger

Bigger than 48% of homes nearby

Year built1954
OlderTypical 1954Newer

Newer than 51% of homes nearby

How 509 E Prospect St ranks against every home in each area.
MeasureThis homeFarmington 61531Fulton County
Estimated valuepricier than$130,46559% of homes69% of homes
Price per ft²pricier than$8424% of homes34% of homes
Living areabigger than1,560 ft²73% of homes85% of homes
Lot sizebigger than0.27 ac48% of homes49% of homes
Year builtnewer than195451% of homes59% of homes

About 509 E Prospect St

How much is 509 E Prospect St, Farmington, IL worth?

The TopHap Estimate for 509 E Prospect St, Farmington, IL is $130,465 as of Sep 24, 2026. The likely range is $123,361 to $137,569. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 E Prospect St, Farmington, IL last sell?

509 E Prospect St, Farmington, IL last sold on Aug 30, 2023 for $120,000, according to the county's recorded deed.

How big is 509 E Prospect St, Farmington, IL?

509 E Prospect St, Farmington, IL has 1,560 square feet of living space and a 0.27-acre lot.

When was 509 E Prospect St, Farmington, IL built?

509 E Prospect St, Farmington, IL was built in 1954, making it 72 years old.

What schools serve 509 E Prospect St, Farmington, IL?

509 E Prospect St, Farmington, IL is assigned to Farmington Central Junior High School (middle), rated B+; Farmington Central High School (high), rated C-; Farmington Central Elementary School (elementary), rated B-. All sit in Farmington Central Community Unit School District 265. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 E Prospect St, Farmington, IL compare to other homes in Farmington 61531?

Among the 1,246 homes in Farmington 61531, it is worth more than 59% of them ($130,465 against a typical $121,621), its price per square foot is higher than 24% of them ($84 against a typical $116), it is bigger than 73% of them (1,560 ft² against a typical 1,180 ft²), its lot is bigger than 48% of them (0.27 ac against a typical 0.28 ac) and it is newer than 51% of them (1954 against a typical 1954). Measured against all of Fulton County, it is worth more than 69% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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