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Single Family ResidenceResidential
$118,274$78 / 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 92How 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

509 S UNION ST

GRIGGSVILLE, IL 62340
2
Beds
1
Baths
1,513 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.
0.32 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.
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$118K
$109K low$128K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,830 (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.$29,430 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,070
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$26,360
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$29,390
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$88,378

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.31
1
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.
76
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
64
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
7
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
CountyPIKE
Lot (acres)The size of the land the home sits on, from county records.0.32
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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.

H
Griggsville-Perry High SchoolF
High · Grades 9–12 · 0.5 mi
E
Griggsville-Perry Primary SchoolB-
Elementary · Grades PK–4 · 0.5 mi
M
Griggsville-Perry Middle SchoolB-
Middle · Grades 5–8 · 5.7 mi

District: Griggsville-Perry Community Unit School District 4

Neighborhood · ZIP 62340These 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.162
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.78
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.44

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.86%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.9.9%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
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.1,807
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.18 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$46,680
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$62,027
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.38 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 S Union 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.

What homes are worth in Griggsville 62340

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

This home
$32K$459K

This home is worth more than 51% of homes in Griggsville 62340.

How it measures up in Griggsville 62340

The dot is this home. The mark in the middle is the typical home in Griggsville 62340.

Estimated value$118,274
CheaperTypical $117,606Pricier

Pricier than 51% of homes nearby

Price per ft²$78
CheaperTypical $76Pricier

Pricier than 53% of homes nearby

Living area1,513 ft²
SmallerTypical 1,596 ft²Bigger

Bigger than 46% of homes nearby

Lot size0.32 ac
SmallerTypical 0.5 acBigger

Bigger than 37% of homes nearby

Year built1958
OlderTypical 1950Newer

Newer than 56% of homes nearby

How 509 S Union St ranks against every home in each area.
MeasureThis homeGriggsville 62340Pike County
Estimated valuepricier than$118,27451% of homes44% of homes
Price per ft²pricier than$7853% of homes41% of homes
Living areabigger than1,513 ft²46% of homes52% of homes
Lot sizebigger than0.32 ac37% of homes39% of homes
Year builtnewer than195856% of homes56% of homes

About 509 S Union St

How much is 509 S Union St, Griggsville, IL worth?

The TopHap Estimate for 509 S Union St, Griggsville, IL is $118,274 as of Sep 24, 2026. The likely range is $108,601 to $127,947. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 S Union St, Griggsville, IL last sell?

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

How big is 509 S Union St, Griggsville, IL?

509 S Union St, Griggsville, IL has 2 bedrooms, 1 bathrooms, 1,513 square feet of living space and a 0.32-acre lot.

When was 509 S Union St, Griggsville, IL built?

509 S Union St, Griggsville, IL was built in 1958, making it 68 years old. The building has 1 story.

What schools serve 509 S Union St, Griggsville, IL?

509 S Union St, Griggsville, IL is assigned to Griggsville-Perry High School (high), rated F; Griggsville-Perry Primary School (elementary), rated B-; Griggsville-Perry Middle School (middle), rated B-. All sit in Griggsville-Perry Community Unit School District 4. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 S Union St, Griggsville, IL compare to other homes in Griggsville 62340?

Among the 685 homes in Griggsville 62340, it is worth more than 51% of them ($118,274 against a typical $117,606), its price per square foot is higher than 53% of them ($78 against a typical $76), it is bigger than 46% of them (1,513 ft² against a typical 1,596 ft²), its lot is bigger than 37% of them (0.32 ac against a typical 0.5 ac) and it is newer than 56% of them (1958 against a typical 1950). Measured against all of Pike County, it is worth more than 44% 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 509 S Union St, Griggsville, IL?

The 2025 property tax bill for 509 S Union St, Griggsville, IL was $1,830. The county assessed it at $29,430.

More homes on S Union St

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Assigned schools

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