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Single Family ResidenceResidential
$174,511$102 / 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 Aug 30, 2026
Last sold for $117,000 on Jun 15, 2018

527 WARREN AVE

ROCKFORD, IL 61107
3
Beds
2
Baths
1,710 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$175K
$157K low$192K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$117,000 · Jun 15, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,854 (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.$49,654 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,294
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$43,360
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$44,560
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$148,962

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.32
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
68
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
61
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
31
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
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyWINNEBAGO
Lot (acres)The size of the land the home sits on, from county records.0.17
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Yes
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, Basement
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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

Foreclosure Filings(3)

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

E
Johnson Elementary SchoolC
Elementary · Grades KG–5 · 0.3 mi
H
East High SchoolF
High · Grades 9–12 · 1.1 mi
M
Lincoln Middle SchoolD
Middle · Grades 6–8 · 1.5 mi

District: Rockford School District 205

Neighborhood · ZIP 61107These 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.89
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 100.41

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.29,768
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,019 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,050
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$94,291
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.34 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

527 Warren Ave 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 75% of homes in Rockford 61107
  • Costs less per square foot than 74% of homes in Rockford 61107
  • Has a smaller lot than 90% of homes in Palmwood

What homes are worth in Rockford 61107

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

This home
$99K$553K

This home is worth more than 25% of homes in Rockford 61107.

How it measures up in Rockford 61107

The dot is this home. The mark in the middle is the typical home in Rockford 61107.

Estimated value$174,511
CheaperTypical $224,531Pricier

Pricier than 25% of homes nearby

Price per ft²$102
CheaperTypical $121Pricier

Pricier than 26% of homes nearby

Living area1,710 ft²
SmallerTypical 1,926 ft²Bigger

Bigger than 38% of homes nearby

Lot size0.17 ac
SmallerTypical 0.26 acBigger

Bigger than 12% of homes nearby

Year built1956
OlderTypical 1959Newer

Newer than 43% of homes nearby

How 527 Warren Ave ranks against every home in each area.
MeasureThis homePalmwoodRockford 61107Winnebago County
Estimated valuepricier than$174,51129% of homes25% of homes40% of homes
Price per ft²pricier than$10235% of homes26% of homes33% of homes
Living areabigger than1,710 ft²42% of homes38% of homes59% of homes
Lot sizebigger than0.17 ac10% of homes12% of homes15% of homes
Year builtnewer than195663% of homes43% of homes37% of homes

About 527 Warren Ave

How much is 527 Warren Ave, Rockford, IL worth?

The TopHap Estimate for 527 Warren Ave, Rockford, IL is $174,511 as of Aug 30, 2026. The likely range is $157,486 to $191,536. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 527 Warren Ave, Rockford, IL last sell?

527 Warren Ave, Rockford, IL last sold on Jun 15, 2018 for $117,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 527 Warren Ave, Rockford, IL?

527 Warren Ave, Rockford, IL has 3 bedrooms, 2 bathrooms, 1,710 square feet of living space and a 0.17-acre lot.

When was 527 Warren Ave, Rockford, IL built?

527 Warren Ave, Rockford, IL was built in 1956, making it 70 years old. It is a ranch home. The building has 1 story.

What schools serve 527 Warren Ave, Rockford, IL?

527 Warren Ave, Rockford, IL is assigned to Johnson Elementary School (elementary), rated C; East High School (high), rated F; Lincoln Middle School (middle), rated D. All sit in Rockford School District 205. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 527 Warren Ave, Rockford, IL compare to other homes in Rockford 61107?

Among the 11,011 homes in Rockford 61107, it is worth more than 25% of them ($174,511 against a typical $224,531), its price per square foot is higher than 26% of them ($102 against a typical $121), it is bigger than 38% of them (1,710 ft² against a typical 1,926 ft²), its lot is bigger than 12% of them (0.17 ac against a typical 0.26 ac) and it is newer than 43% of them (1956 against a typical 1959). Measured against all of Winnebago County, it is worth more than 40% 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 527 Warren Ave, Rockford, IL?

The 2025 property tax bill for 527 Warren Ave, Rockford, IL was $3,854. The county assessed it at $49,654.

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