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Single Family ResidenceResidential
$558,877$150 / 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 85How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $490,000 on Aug 19, 2025

4304 KILBURN AVE

ROCKFORD, IL 61101
4
Beds
3
Baths
3,732 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.
4.12 ac
Lot SizeThe size of the land the home sits on, from county records.
2008
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$559K
$476K low$642K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$490,000 · Aug 19, 2025
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$166,877
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$133,502
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.73%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$392,000
MEMBERSALLIANCE CU · 5.49% 2 · recorded Aug 19, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,516 (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.$125,360 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$22,854
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$102,506
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$112,501
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$376,080

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
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
FireplaceWhether the home has a fireplace, and what kind.Yes
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
ViewThe type of view from the property, or another feature of the site that affects value.Traffic
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 540 ft²

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.

H
Auburn High SchoolD-
High · Grades 9–12 · 1.6 mi
E
McIntosh Elementary SchoolC-
Elementary · Grades KG–5 · 1.9 mi
M
Kennedy Middle SchoolD-
Middle · Grades 6–8 · 1.9 mi

District: Rockford School District 205

Neighborhood · ZIP 61101These 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.131
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.39

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.9.7%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.30%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.19,188
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.457 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$50,496
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$62,438
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.35 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

4304 Kilburn 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.

  • Among the most valuable homes in Rockford 61101
  • Costs more per square foot than 97% of homes in Rockford 61101
  • Among the largest homes in Rockford 61101
  • Has a bigger lot than 98% of homes in Rockford 61101
  • Among the newest homes in Rockford 61101

What homes are worth in Rockford 61101

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

This home
$51K$339K

This home is worth more than almost all homes in Rockford 61101.

How it measures up in Rockford 61101

The dot is this home. The mark in the middle is the typical home in Rockford 61101.

Estimated value$558,877
CheaperTypical $100,154Pricier

Pricier than almost all homes nearby

Price per ft²$150
CheaperTypical $81Pricier

Pricier than 97% of homes nearby

Living area3,732 ft²
SmallerTypical 1,312 ft²Bigger

Bigger than almost all homes nearby

Lot size4.12 ac
SmallerTypical 0.18 acBigger

Bigger than 98% of homes nearby

Year built2008
OlderTypical 1950Newer

Newer than almost all homes nearby

How 4304 Kilburn Ave ranks against every home in each area.
MeasureThis homeRockford 61101Winnebago County
Estimated valuepricier than$558,877almost all homes98% of homes
Price per ft²pricier than$15097% of homes68% of homes
Living areabigger than3,732 ft²almost all homes97% of homes
Lot sizebigger than4.12 ac98% of homes95% of homes
Year builtnewer than2008almost all homes98% of homes

About 4304 Kilburn Ave

How much is 4304 Kilburn Ave, Rockford, IL worth?

The TopHap Estimate for 4304 Kilburn Ave, Rockford, IL is $558,877 as of Jul 14, 2026. The likely range is $475,830 to $641,924. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4304 Kilburn Ave, Rockford, IL last sell?

4304 Kilburn Ave, Rockford, IL last sold on Aug 19, 2025 for $490,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 4304 Kilburn Ave, Rockford, IL?

4304 Kilburn Ave, Rockford, IL has 4 bedrooms, 3 bathrooms and 3,732 square feet of living space.

When was 4304 Kilburn Ave, Rockford, IL built?

4304 Kilburn Ave, Rockford, IL was built in 2008, making it 18 years old. It is a ranch home. The building has 1 story.

What schools serve 4304 Kilburn Ave, Rockford, IL?

4304 Kilburn Ave, Rockford, IL is assigned to Auburn High School (high), rated D-; McIntosh Elementary School (elementary), rated C-; Kennedy 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 4304 Kilburn Ave, Rockford, IL compare to other homes in Rockford 61101?

Among the 6,665 homes in Rockford 61101, it is worth more than almost all of them ($558,877 against a typical $100,154), its price per square foot is higher than 97% of them ($150 against a typical $81), it is bigger than almost all of them (3,732 ft² against a typical 1,312 ft²), its lot is bigger than 98% of them (4.12 ac against a typical 0.18 ac) and it is newer than almost all of them (2008 against a typical 1950). Measured against all of Winnebago County, it is worth more than 98% 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 4304 Kilburn Ave, Rockford, IL?

The 2025 property tax bill for 4304 Kilburn Ave, Rockford, IL was $8,516. The county assessed it at $125,360.

More homes on Kilburn Ave

Closest homes

More homes in Rockford 61101

Assigned schools

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See this home in context

Open 4304 Kilburn Aveon TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

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