Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$28,218$59 / 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 72How 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

509 S OLIVE ST

HARTFORD, IL 62048
2
Beds
1
Baths
480 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1948
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$28K
$20K low$36K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$538 (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.$12,330 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,050
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$10,280
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$11,390
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$36,990

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.40
48
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
83
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
68
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
4
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.13 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
CountyMADISON
Lot (acres)The size of the land the home sits on, from county records.0.11
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Central
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
Hartford Elementary SchoolB
Elementary · Grades PK–5 · 0.4 mi
M
Lewis-Clark Jr High SchoolC-
Middle · Grades 6–8 · 2.3 mi
H
East Alton-Wood River High SchoolA+
High · Grades 9–12 · 3.0 mi

District: Wood River-Hartford Elementary School District 15

Neighborhood · ZIP 62048These 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.129
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.132

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.6.3%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.1,802
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.249 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$54,190
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$77,428
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.59%

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 S Olive 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 Madison County
  • Costs less per square foot than 94% of homes in Madison County
  • Among the smallest homes in Hartford 62048
  • Has a smaller lot than 94% of homes in Madison County
  • Older than 72% of homes in Madison County

What homes are worth in Hartford 62048

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

This home
$28K$178K

This home is worth more than 3% of homes in Hartford 62048.

How it measures up in Hartford 62048

The dot is this home. The mark in the middle is the typical home in Hartford 62048.

Estimated value$28,218
CheaperTypical $64,087Pricier

Pricier than 3% of homes nearby

Price per ft²$59
CheaperTypical $70Pricier

Pricier than 33% of homes nearby

Living area480 ft²
SmallerTypical 950 ft²Bigger

Smaller than almost all homes nearby

Lot size0.11 ac
SmallerTypical 0.15 acBigger

Bigger than 18% of homes nearby

Year built1948
OlderTypical 1945Newer

Newer than 58% of homes nearby

How 509 S Olive St ranks against every home in each area.
MeasureThis homeHartford 62048Madison County
Estimated valuepricier than$28,2183% of homesalmost no homes
Price per ft²pricier than$5933% of homes6% of homes
Living areabigger than480 ft²almost no homesalmost no homes
Lot sizebigger than0.11 ac18% of homes6% of homes
Year builtnewer than194858% of homes28% of homes

About 509 S Olive St

How much is 509 S Olive St, Hartford, IL worth?

The TopHap Estimate for 509 S Olive St, Hartford, IL is $28,218 as of Aug 30, 2026. The likely range is $20,289 to $36,147. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 S Olive St, Hartford, IL last sell?

509 S Olive St, Hartford, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 509 S Olive St, Hartford, IL?

509 S Olive St, Hartford, IL has 2 bedrooms, 1 bathrooms, 480 square feet of living space and a 0.11-acre lot.

When was 509 S Olive St, Hartford, IL built?

509 S Olive St, Hartford, IL was built in 1948, making it 78 years old. The building has 1 story.

What schools serve 509 S Olive St, Hartford, IL?

509 S Olive St, Hartford, IL is assigned to Hartford Elementary School (elementary), rated B; Lewis-Clark Jr High School (middle), rated C-; East Alton-Wood River High School (high), rated A+. All sit in Wood River-Hartford Elementary School District 15. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 S Olive St, Hartford, IL compare to other homes in Hartford 62048?

Among the 576 homes in Hartford 62048, it is worth more than 3% of them ($28,218 against a typical $64,087), its price per square foot is higher than 33% of them ($59 against a typical $70), it is bigger than almost none of them (480 ft² against a typical 950 ft²), its lot is bigger than 18% of them (0.11 ac against a typical 0.15 ac) and it is newer than 58% of them (1948 against a typical 1945). Measured against all of Madison 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 S Olive St, Hartford, IL?

The 2025 property tax bill for 509 S Olive St, Hartford, IL was $538. The county assessed it at $12,330.

More homes on S Olive St

Closest homes

More homes in Hartford 62048

Assigned schools

Explore the area

See this home in context

Open 509 S Olive St 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