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Rural ResidenceResidential
$552,048$153 / 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 86How 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

428 1ST ST

ANDOVER, IL 61233
0
Baths
3,600 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.
160 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$552K
$474K low$630K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,240 (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.$130,725 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$122,386
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$8,339
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$122,716
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$392,175

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.41
38
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
10
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.
66
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
17
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.8 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.Rural Residence
CountyHENRY
Lot (acres)The size of the land the home sits on, from county records.160.00
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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.

H
Orion High SchoolA
High · Grades 9–12 · 4.9 mi
E
C. R. Hanna Elementary SchoolA
Elementary · Grades PK–5 · 5.1 mi
M
Orion Middle SchoolB+
Middle · Grades 6–8 · 5.2 mi

District: Orion Community Unit School District 223

Neighborhood · ZIP 61233These 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.110
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 100.34

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.4
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.46 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,462
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$71,548
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%

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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

428 1st 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 most valuable homes in Andover 61233
  • Costs more per square foot than 75% of homes in Andover 61233
  • Among the largest homes in Andover 61233
  • Among the largest lots in Andover 61233

What homes are worth in Andover 61233

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

This home
$55K$296K

This home is worth more than almost all homes in Andover 61233.

How it measures up in Andover 61233

The dot is this home. The mark in the middle is the typical home in Andover 61233.

Estimated value$552,048
CheaperTypical $161,479Pricier

Pricier than almost all homes nearby

Price per ft²$153
CheaperTypical $128Pricier

Pricier than 75% of homes nearby

Living area3,600 ft²
SmallerTypical 1,209 ft²Bigger

Bigger than almost all homes nearby

Lot size160 ac
SmallerTypical 0.46 acBigger

Bigger than almost all homes nearby

How 428 1st St ranks against every home in each area.
MeasureThis homeAndover 61233Henry County
Estimated valuepricier than$552,048almost all homes96% of homes
Price per ft²pricier than$15375% of homes65% of homes
Living areabigger than3,600 ft²almost all homesalmost all homes
Lot sizebigger than160 acalmost all homesalmost all homes

About 428 1st St

How much is 428 1st St, Andover, IL worth?

The TopHap Estimate for 428 1st St, Andover, IL is $552,048 as of Aug 30, 2026. The likely range is $473,805 to $630,291. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 428 1st St, Andover, IL last sell?

428 1st St, Andover, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 428 1st St, Andover, IL?

428 1st St, Andover, IL has 3,600 square feet of living space and a 160.00-acre lot.

What schools serve 428 1st St, Andover, IL?

428 1st St, Andover, IL is assigned to Orion High School (high), rated A; C. R. Hanna Elementary School (elementary), rated A; Orion Middle School (middle), rated B+. All sit in Orion Community Unit School District 223. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 428 1st St, Andover, IL compare to other homes in Andover 61233?

Among the 233 homes in Andover 61233, it is worth more than almost all of them ($552,048 against a typical $161,479), its price per square foot is higher than 75% of them ($153 against a typical $128), it is bigger than almost all of them (3,600 ft² against a typical 1,209 ft²) and its lot is bigger than almost all of them (160 ac against a typical 0.46 ac). Measured against all of Henry County, it is worth more than 96% 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 428 1st St, Andover, IL?

The 2025 property tax bill for 428 1st St, Andover, IL was $9,240. The county assessed it at $130,725.

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