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Duplex (2 Units, Any Combination)Residential
Last sold for $47,000 on May 18, 2006

510 NAPOLEON ST

ROCKFORD, IL 61103
6
Beds
2
Baths
2,868 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.
0.1 ac
Lot SizeThe size of the land the home sits on, from county records.
1903
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
12
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.$47,000 · May 18, 2006

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,255 (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.$25,537 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$886
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$24,651
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$22,917
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$76,611

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.33
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.
69
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
64
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.Duplex (2 Units, Any Combination)
CountyWINNEBAGO
Lot (acres)The size of the land the home sits on, from county records.0.10
ConstructionThe main material the home's frame and walls are built from.Brick
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
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
ViewThe type of view from the property, or another feature of the site that affects value.Alley

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(1)

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

M
West Middle SchoolD
Middle · Grades 6–8 · 0.9 mi
E
Ellis Elementary SchoolC-
Elementary · Grades KG–5 · 1.4 mi
H
Auburn High SchoolD-
High · Grades 9–12 · 2.6 mi

District: Rockford School District 205

Neighborhood · ZIP 61103These 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.122
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 100.37

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.23%
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.23,056
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,345 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$53,596
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$71,328
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

510 Napoleon 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 93% of homes in Rockford 61103
  • Among the smallest lots in Winnebago County
  • Older than 95% of homes in Winnebago County

How it measures up in Rockford 61103

The dot is this home. The mark in the middle is the typical home in Rockford 61103.

Living area2,868 ft²
SmallerTypical 1,566 ft²Bigger

Bigger than 93% of homes nearby

Lot size0.1 ac
SmallerTypical 0.17 acBigger

Bigger than 2% of homes nearby

Year built1903
OlderTypical 1940Newer

Newer than 11% of homes nearby

How 510 Napoleon St ranks against every home in each area.
MeasureThis homeSignal HillRockford 61103Winnebago County
Living areabigger than2,868 ft²91% of homes93% of homes91% of homes
Lot sizebigger than0.1 ac8% of homes2% of homesalmost no homes
Year builtnewer than190335% of homes11% of homes5% of homes

About 510 Napoleon St

When did 510 Napoleon St, Rockford, IL last sell?

510 Napoleon St, Rockford, IL last sold on May 18, 2006 for $47,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 510 Napoleon St, Rockford, IL?

510 Napoleon St, Rockford, IL has 6 bedrooms, 2 bathrooms, 2,868 square feet of living space and a 0.10-acre lot.

When was 510 Napoleon St, Rockford, IL built?

510 Napoleon St, Rockford, IL was built in 1903, making it 123 years old. The building has 2 stories.

What schools serve 510 Napoleon St, Rockford, IL?

510 Napoleon St, Rockford, IL is assigned to West Middle School (middle), rated D; Ellis Elementary School (elementary), rated C-; Auburn 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 510 Napoleon St, Rockford, IL compare to other homes in Rockford 61103?

Among the 7,539 homes in Rockford 61103, it is bigger than 93% of them (2,868 ft² against a typical 1,566 ft²), its lot is bigger than 2% of them (0.1 ac against a typical 0.17 ac) and it is newer than 11% of them (1903 against a typical 1940). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 510 Napoleon St, Rockford, IL?

The 2025 property tax bill for 510 Napoleon St, Rockford, IL was $2,255. The county assessed it at $25,537.

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