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Duplex (2 Units, Any Combination)Residential
Last sold for $562,900 on Apr 2, 2019

817 S 3RD ST

ROCKFORD, IL 61104
5
Beds
2
Baths
1,944 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
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

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$562,900 · Apr 2, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$820 (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.$9,284 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,151
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$8,133
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$8,332
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$27,852

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
CountyWINNEBAGO
Lot (acres)The size of the land the home sits on, from county records.0.12
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, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 45 ft²

Neighborhood · ZIP 61104These 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.157
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
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.84%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.6.0%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.36%
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.17,656
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,783 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$34,362
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$47,725
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%

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

817 S 3rd 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.

  • Bigger than 70% of homes in Rockford 61104
  • Has a smaller lot than 98% of homes in Winnebago County
  • Older than 96% of homes in Winnebago County

How it measures up in Rockford 61104

The dot is this home. The mark in the middle is the typical home in Rockford 61104.

Living area1,944 ft²
SmallerTypical 1,583 ft²Bigger

Bigger than 70% of homes nearby

Lot size0.12 ac
SmallerTypical 0.17 acBigger

Bigger than 8% of homes nearby

Year built1900
OlderTypical 1920Newer

Newer than 25% of homes nearby

How 817 S 3rd St ranks against every home in each area.
MeasureThis homeORCHiD 3rd Union CollegeRockford 61104Winnebago County
Living areabigger than1,944 ft²41% of homes70% of homes70% of homes
Lot sizebigger than0.12 ac13% of homes8% of homes2% of homes
Year builtnewer than190063% of homes25% of homes4% of homes

About 817 S 3rd St

When did 817 S 3rd St, Rockford, IL last sell?

817 S 3rd St, Rockford, IL last sold on Apr 2, 2019 for $562,900, according to the county's recorded deed.

How big is 817 S 3rd St, Rockford, IL?

817 S 3rd St, Rockford, IL has 5 bedrooms, 2 bathrooms, 1,944 square feet of living space and a 0.12-acre lot.

When was 817 S 3rd St, Rockford, IL built?

817 S 3rd St, Rockford, IL was built in 1900, making it 126 years old. The building has 2 stories.

How does 817 S 3rd St, Rockford, IL compare to other homes in Rockford 61104?

Among the 4,606 homes in Rockford 61104, it is bigger than 70% of them (1,944 ft² against a typical 1,583 ft²), its lot is bigger than 8% of them (0.12 ac against a typical 0.17 ac) and it is newer than 25% of them (1900 against a typical 1920). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 817 S 3rd St, Rockford, IL?

The 2025 property tax bill for 817 S 3rd St, Rockford, IL was $820. The county assessed it at $9,284.

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