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Single Family ResidentialResidential
$111,031$66 / 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 Sep 24, 2026
Last sold for $54,000 on Apr 20, 2022

307 JOHN ST

WARREN, IL 61087
0
Baths
1,670 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.
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.

Valuation

$111K
$96K low$126K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$54,000 · Apr 20, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,908 (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.$23,820 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,885
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$20,935
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$19,056
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$71,460

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
CountyJO DAVIESS
Lot (acres)The size of the land the home sits on, from county records.0.33
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
Warren Elementary SchoolA-
Elementary · Grades PK–5 · 0.3 mi
M
Warren Jr/Sr High SchoolB+
Middle · Grades 6–12 · 0.3 mi

District: Warren Community Unit School District 205

Neighborhood · ZIP 61087These 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.143
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.27

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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.3%
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.1,204
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.47 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,498
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,272
Average tempThe average temperature here across a full year.47°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

307 John 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 85% of homes in Jo Daviess County
  • Costs less per square foot than 97% of homes in Jo Daviess County
  • Bigger than 71% of homes in Jo Daviess County
  • Older than 80% of homes in Jo Daviess County

What homes are worth in Warren 61087

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

This home
$51K$243K

This home is worth more than 36% of homes in Warren 61087.

How it measures up in Warren 61087

The dot is this home. The mark in the middle is the typical home in Warren 61087.

Estimated value$111,031
CheaperTypical $124,579Pricier

Pricier than 36% of homes nearby

Price per ft²$66
CheaperTypical $102Pricier

Pricier than 15% of homes nearby

Living area1,670 ft²
SmallerTypical 1,440 ft²Bigger

Bigger than 67% of homes nearby

Lot size0.33 ac
SmallerTypical 0.34 acBigger

Bigger than 49% of homes nearby

Year built1930
OlderTypical 1935Newer

Newer than 48% of homes nearby

How 307 John St ranks against every home in each area.
MeasureThis homeWarren 61087Jo Daviess County
Estimated valuepricier than$111,03136% of homes15% of homes
Price per ft²pricier than$6615% of homes3% of homes
Living areabigger than1,670 ft²67% of homes71% of homes
Lot sizebigger than0.33 ac49% of homes39% of homes
Year builtnewer than193048% of homes20% of homes

About 307 John St

How much is 307 John St, Warren, IL worth?

The TopHap Estimate for 307 John St, Warren, IL is $111,031 as of Sep 24, 2026. The likely range is $95,642 to $126,420. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 307 John St, Warren, IL last sell?

307 John St, Warren, IL last sold on Apr 20, 2022 for $54,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 307 John St, Warren, IL?

307 John St, Warren, IL has 1,670 square feet of living space and a 0.33-acre lot.

When was 307 John St, Warren, IL built?

307 John St, Warren, IL was built in 1930, making it 96 years old.

What schools serve 307 John St, Warren, IL?

307 John St, Warren, IL is assigned to Warren Elementary School (elementary), rated A-; Warren Jr/Sr High School (middle), rated B+. All sit in Warren Community Unit School District 205. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 307 John St, Warren, IL compare to other homes in Warren 61087?

Among the 708 homes in Warren 61087, it is worth more than 36% of them ($111,031 against a typical $124,579), its price per square foot is higher than 15% of them ($66 against a typical $102), it is bigger than 67% of them (1,670 ft² against a typical 1,440 ft²), its lot is bigger than 49% of them (0.33 ac against a typical 0.34 ac) and it is newer than 48% of them (1930 against a typical 1935). Measured against all of Jo Daviess County, it is worth more than 15% 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 307 John St, Warren, IL?

The 2025 property tax bill for 307 John St, Warren, IL was $1,908. The county assessed it at $23,820.

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