Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$183,976$161 / 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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $166,000 on Jun 13, 2025

818 NEPTUNE ST

GENESEO, IL 61254
2
Beds
1
Baths
1,144 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.
0.51 ac
Lot SizeThe size of the land the home sits on, from county records.
1993
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$184K
$166K low$202K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$166,000 · Jun 13, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,722 (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.$49,487 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$13,452
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$36,035
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$46,467
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$148,461

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.39
37
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
21
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
74
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
56
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
10
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%
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.1 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
CountyHENRY
Lot (acres)The size of the land the home sits on, from county records.0.51
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Block (Unspecified)
HeatingThe type of heating system in the home.Central
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

Transaction History(2)

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

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

E
Southwest Elementary SchoolB
Elementary · Grades KG–5 · 0.5 mi
H
Geneseo High SchoolB+
High · Grades 9–12 · 1.5 mi
M
Geneseo Middle SchoolB-
Middle · Grades 6–8 · 1.7 mi

District: Geneseo Community Unit School District 228

Neighborhood · ZIP 61254These 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.63
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.79
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.34

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.11,890
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.72 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$87,456
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$113,484
Average tempThe average temperature here across a full year.50°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.55%

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

818 Neptune 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 less than 74% of homes in Geneseo 61254
  • Costs more per square foot than 67% of homes in Henry County
  • Smaller than 74% of homes in Geneseo 61254
  • Newer than 90% of homes in Henry County

What homes are worth in Geneseo 61254

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

This home
$83K$671K

This home is worth more than 26% of homes in Geneseo 61254.

How it measures up in Geneseo 61254

The dot is this home. The mark in the middle is the typical home in Geneseo 61254.

Estimated value$183,976
CheaperTypical $250,396Pricier

Pricier than 26% of homes nearby

Price per ft²$161
CheaperTypical $173Pricier

Pricier than 41% of homes nearby

Living area1,144 ft²
SmallerTypical 1,419 ft²Bigger

Bigger than 26% of homes nearby

Lot size0.51 ac
SmallerTypical 0.42 acBigger

Bigger than 58% of homes nearby

Year built1993
OlderTypical 1965Newer

Newer than 84% of homes nearby

How 818 Neptune St ranks against every home in each area.
MeasureThis homeGeneseo 61254Henry County
Estimated valuepricier than$183,97626% of homes56% of homes
Price per ft²pricier than$16141% of homes67% of homes
Living areabigger than1,144 ft²26% of homes43% of homes
Lot sizebigger than0.51 ac58% of homes64% of homes
Year builtnewer than199384% of homes90% of homes

About 818 Neptune St

How much is 818 Neptune St, Geneseo, IL worth?

The TopHap Estimate for 818 Neptune St, Geneseo, IL is $183,976 as of Oct 21, 2026. The likely range is $166,359 to $201,593. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 818 Neptune St, Geneseo, IL last sell?

818 Neptune St, Geneseo, IL last sold on Jun 13, 2025 for $166,000, according to the county's recorded deed.

How big is 818 Neptune St, Geneseo, IL?

818 Neptune St, Geneseo, IL has 2 bedrooms, 1 bathrooms, 1,144 square feet of living space and a 0.51-acre lot.

When was 818 Neptune St, Geneseo, IL built?

818 Neptune St, Geneseo, IL was built in 1993, making it 33 years old. The building has 1 story.

What schools serve 818 Neptune St, Geneseo, IL?

818 Neptune St, Geneseo, IL is assigned to Southwest Elementary School (elementary), rated B; Geneseo High School (high), rated B+; Geneseo Middle School (middle), rated B-. All sit in Geneseo Community Unit School District 228. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 818 Neptune St, Geneseo, IL compare to other homes in Geneseo 61254?

Among the 4,784 homes in Geneseo 61254, it is worth more than 26% of them ($183,976 against a typical $250,396), its price per square foot is higher than 41% of them ($161 against a typical $173), it is bigger than 26% of them (1,144 ft² against a typical 1,419 ft²), its lot is bigger than 58% of them (0.51 ac against a typical 0.42 ac) and it is newer than 84% of them (1993 against a typical 1965). Measured against all of Henry County, it is worth more than 56% 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 818 Neptune St, Geneseo, IL?

The 2025 property tax bill for 818 Neptune St, Geneseo, IL was $3,722. The county assessed it at $49,487.

More homes on Neptune St

Closest homes

More homes in Geneseo 61254

Assigned schools

Explore the area

See this home in context

Open 818 Neptune 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