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CondominiumResidential
$141,966$110 / 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 93How 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 $125,000 on Aug 15, 2022

5151 DIANE CT

ROCKFORD, IL 61108
2
Beds
2
Baths
1,285 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.
6.07 ac
Lot SizeThe size of the land the home sits on, from county records.
2004
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

$142K
$132K low$152K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$125,000 · Aug 15, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,454 (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.$37,233 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,976
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$31,257
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$33,414
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$111,699

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyWINNEBAGO
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

Transaction History(3)

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
Gregory Elementary SchoolC-
Elementary · Grades KG–5 · 0.1 mi
M
Eisenhower Middle SchoolD
Middle · Grades 6–8 · 2.5 mi
H
Guilford High SchoolD
High · Grades 9–12 · 2.6 mi

District: Rockford School District 205

Neighborhood · ZIP 61108These 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.87
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.40

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.30,642
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,718 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,181
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$76,210
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%

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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

5151 Diane Ct 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 Rockford 61108
  • Smaller than 81% of homes in Rockford 61108
  • Has a bigger lot than 97% of homes in Winnebago County
  • Newer than 97% of homes in Rockford 61108

What homes are worth in Rockford 61108

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

This home
$115K$363K

This home is worth more than 12% of homes in Rockford 61108.

How it measures up in Rockford 61108

The dot is this home. The mark in the middle is the typical home in Rockford 61108.

Estimated value$141,966
CheaperTypical $182,688Pricier

Pricier than 12% of homes nearby

Price per ft²$110
CheaperTypical $116Pricier

Pricier than 42% of homes nearby

Living area1,285 ft²
SmallerTypical 1,652 ft²Bigger

Bigger than 19% of homes nearby

Lot size6.07 ac
SmallerTypical 0.24 acBigger

Bigger than 96% of homes nearby

Year built2004
OlderTypical 1962Newer

Newer than 97% of homes nearby

How 5151 Diane Ct ranks against every home in each area.
MeasureThis homeRockford 61108Winnebago County
Estimated valuepricier than$141,96612% of homes27% of homes
Price per ft²pricier than$11042% of homes42% of homes
Living areabigger than1,285 ft²19% of homes30% of homes
Lot sizebigger than6.07 ac96% of homes97% of homes
Year builtnewer than200497% of homes94% of homes

About 5151 Diane Ct

How much is 5151 Diane Ct, Rockford, IL worth?

The TopHap Estimate for 5151 Diane Ct, Rockford, IL is $141,966 as of Jul 14, 2026. The likely range is $132,003 to $151,929. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 5151 Diane Ct, Rockford, IL last sell?

5151 Diane Ct, Rockford, IL last sold on Aug 15, 2022 for $125,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 5151 Diane Ct, Rockford, IL?

5151 Diane Ct, Rockford, IL has 2 bedrooms, 2 bathrooms and 1,285 square feet of living space.

When was 5151 Diane Ct, Rockford, IL built?

5151 Diane Ct, Rockford, IL was built in 2004, making it 22 years old. It is a ranch home. The building has 1 story.

What schools serve 5151 Diane Ct, Rockford, IL?

5151 Diane Ct, Rockford, IL is assigned to Gregory Elementary School (elementary), rated C-; Eisenhower Middle School (middle), rated D; Guilford High School (high), rated D. All sit in Rockford School District 205. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 5151 Diane Ct, Rockford, IL compare to other homes in Rockford 61108?

Among the 9,978 homes in Rockford 61108, it is worth more than 12% of them ($141,966 against a typical $182,688), its price per square foot is higher than 42% of them ($110 against a typical $116), it is bigger than 19% of them (1,285 ft² against a typical 1,652 ft²), its lot is bigger than 96% of them (6.07 ac against a typical 0.24 ac) and it is newer than 97% of them (2004 against a typical 1962). Measured against all of Winnebago County, it is worth more than 27% 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 5151 Diane Ct, Rockford, IL?

The 2025 property tax bill for 5151 Diane Ct, Rockford, IL was $1,454. The county assessed it at $37,233.

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