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Duplex (2 Units, Any Combination)Residential

509 GOLD RIVER AVE

ROCKFORD, IL 61102
4
Beds
2
Baths
1,568 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.
0.92 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
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

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.$24,624
RIVERSIDE COMMUNITY BANK · recorded Nov 9, 1999

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,170 (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.$51,584 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,593
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$41,991
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$46,293
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$154,752

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.50
69
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
24
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.17 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.0.2 percent flood zone

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)
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.0.91
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, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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.

M
RESA Middle SchoolD
Middle · Grades 6–8 · 4.9 mi
E
Lathrop Elementary SchoolD+
Elementary · Grades KG–5 · 5.1 mi
H
Jefferson High SchoolF
High · Grades 9–12 · 6.6 mi

District: Rockford School District 205

Neighborhood · ZIP 61102These 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.129
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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.8.4%
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.1.4%
PopulationHow many people live in this area.17,742
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.531 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$49,970
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$60,941
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.Yes

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

509 Gold River 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.

  • Has a bigger lot than 88% of homes in Winnebago County
  • Older than 65% of homes in Winnebago County

How it measures up in Rockford 61102

The dot is this home. The mark in the middle is the typical home in Rockford 61102.

Living area1,568 ft²
SmallerTypical 1,400 ft²Bigger

Bigger than 62% of homes nearby

Lot size0.92 ac
SmallerTypical 0.25 acBigger

Bigger than 85% of homes nearby

Year built1955
OlderTypical 1949Newer

Newer than 62% of homes nearby

How 509 Gold River Ave ranks against every home in each area.
MeasureThis homeRockford 61102Winnebago County
Living areabigger than1,568 ft²62% of homes50% of homes
Lot sizebigger than0.92 ac85% of homes88% of homes
Year builtnewer than195562% of homes35% of homes

About 509 Gold River Ave

When did 509 Gold River Ave, Rockford, IL last sell?

509 Gold River Ave, Rockford, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 509 Gold River Ave, Rockford, IL?

509 Gold River Ave, Rockford, IL has 4 bedrooms, 2 bathrooms, 1,568 square feet of living space and a 0.91-acre lot.

When was 509 Gold River Ave, Rockford, IL built?

509 Gold River Ave, Rockford, IL was built in 1955, making it 71 years old. It is a ranch home. The building has 1 story.

What schools serve 509 Gold River Ave, Rockford, IL?

509 Gold River Ave, Rockford, IL is assigned to RESA Middle School (middle), rated D; Lathrop Elementary School (elementary), rated D+; Jefferson High School (high), rated F. All sit in Rockford School District 205. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Gold River Ave, Rockford, IL compare to other homes in Rockford 61102?

Among the 5,912 homes in Rockford 61102, it is bigger than 62% of them (1,568 ft² against a typical 1,400 ft²), its lot is bigger than 85% of them (0.92 ac against a typical 0.25 ac) and it is newer than 62% of them (1955 against a typical 1949). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 509 Gold River Ave, Rockford, IL?

The 2025 property tax bill for 509 Gold River Ave, Rockford, IL was $2,170. The county assessed it at $51,584.

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