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Single Family ResidenceResidential
$122,517$109 / 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 80How 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
Last sold for $30,000 on Dec 21, 2022

15917 W HARPER RD

FORRESTON, IL 61030
0
Baths
1,128 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.
0.61 ac
Lot SizeThe size of the land the home sits on, from county records.
1906
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$123K
$98K low$147K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$30,000 · Dec 21, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,939 (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.$27,101 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,383
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$22,718
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$23,658
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$81,303

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyOGLE
Lot (acres)The size of the land the home sits on, from county records.0.61
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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
Forreston Grade SchoolA-
Elementary · Grades 1–5 · 3.7 mi
M
Forreston Jr/Sr High SchoolB
Middle · Grades 6–12 · 3.9 mi

District: Forrestville Valley Community Unit School District 221

Neighborhood · ZIP 61030These 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.106
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.35

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.3%
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.1,872
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.31 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$71,666
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$81,079
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.36 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

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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

15917 W Harper Rd 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 88% of homes in Ogle County
  • Costs less per square foot than 79% of homes in Ogle County
  • Smaller than 86% of homes in Forreston 61030
  • Has a bigger lot than 68% of homes in Forreston 61030
  • Older than 93% of homes in Ogle County

What homes are worth in Forreston 61030

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

This home
$80K$447K

This home is worth more than 18% of homes in Forreston 61030.

How it measures up in Forreston 61030

The dot is this home. The mark in the middle is the typical home in Forreston 61030.

Estimated value$122,517
CheaperTypical $169,771Pricier

Pricier than 18% of homes nearby

Price per ft²$109
CheaperTypical $117Pricier

Pricier than 44% of homes nearby

Living area1,128 ft²
SmallerTypical 1,552 ft²Bigger

Bigger than 14% of homes nearby

Lot size0.61 ac
SmallerTypical 0.31 acBigger

Bigger than 68% of homes nearby

Year built1906
OlderTypical 1949Newer

Newer than 22% of homes nearby

How 15917 W Harper Rd ranks against every home in each area.
MeasureThis homeForreston 61030Ogle County
Estimated valuepricier than$122,51718% of homes12% of homes
Price per ft²pricier than$10944% of homes21% of homes
Living areabigger than1,128 ft²14% of homes18% of homes
Lot sizebigger than0.61 ac68% of homes65% of homes
Year builtnewer than190622% of homes7% of homes

About 15917 W Harper Rd

How much is 15917 W Harper Rd, Forreston, IL worth?

The TopHap Estimate for 15917 W Harper Rd, Forreston, IL is $122,517 as of Aug 30, 2026. The likely range is $97,854 to $147,180. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 15917 W Harper Rd, Forreston, IL last sell?

15917 W Harper Rd, Forreston, IL last sold on Dec 21, 2022 for $30,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 15917 W Harper Rd, Forreston, IL?

15917 W Harper Rd, Forreston, IL has 1,128 square feet of living space and a 0.61-acre lot.

When was 15917 W Harper Rd, Forreston, IL built?

15917 W Harper Rd, Forreston, IL was built in 1906, making it 120 years old. The building has 2 stories.

What schools serve 15917 W Harper Rd, Forreston, IL?

15917 W Harper Rd, Forreston, IL is assigned to Forreston Grade School (elementary), rated A-; Forreston Jr/Sr High School (middle), rated B. All sit in Forrestville Valley Community Unit School District 221. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 15917 W Harper Rd, Forreston, IL compare to other homes in Forreston 61030?

Among the 791 homes in Forreston 61030, it is worth more than 18% of them ($122,517 against a typical $169,771), its price per square foot is higher than 44% of them ($109 against a typical $117), it is bigger than 14% of them (1,128 ft² against a typical 1,552 ft²), its lot is bigger than 68% of them (0.61 ac against a typical 0.31 ac) and it is newer than 22% of them (1906 against a typical 1949). Measured against all of Ogle County, it is worth more than 12% 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 15917 W Harper Rd, Forreston, IL?

The 2025 property tax bill for 15917 W Harper Rd, Forreston, IL was $1,939. The county assessed it at $27,101.

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