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Residential (General/Single)Residential

5520 SONJA LN

ROCKFORD, IL 61109
0
Baths
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14 (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.$153 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$153
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$138
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$459

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.
16
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
67
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
59
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
26
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.Residential (General/Single)
CountyWINNEBAGO
Lot (acres)The size of the land the home sits on, from county records.0.29
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Jefferson High SchoolF
High · Grades 9–12 · 0.5 mi
E
Arthur W. Froberg Elementary SchoolD
Elementary · Grades KG–5 · 1.2 mi
M
Flinn Middle SchoolC-
Middle · Grades 6–8 · 2.6 mi

District: Rockford School District 205

Neighborhood · ZIP 61109These 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.100
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.42

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.26,851
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.669 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$61,982
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$73,739
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.Absentee owner
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

5520 Sonja Ln 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 smaller lot than 80% of homes in CMC

How it measures up in Rockford 61109

The dot is this home. The mark in the middle is the typical home in Rockford 61109.

Lot size0.29 ac
SmallerTypical 0.3 acBigger

Bigger than 49% of homes nearby

How 5520 Sonja Ln ranks against every home in each area.
MeasureThis homeCMCRockford 61109Winnebago County
Lot sizebigger than0.29 ac20% of homes49% of homes52% of homes

About 5520 Sonja Ln

When did 5520 Sonja Ln, Rockford, IL last sell?

5520 Sonja Ln, Rockford, IL last sold on Dec 29, 2017, according to the county's recorded deed.

What schools serve 5520 Sonja Ln, Rockford, IL?

5520 Sonja Ln, Rockford, IL is assigned to Jefferson High School (high), rated F; Arthur W. Froberg Elementary School (elementary), rated D; Flinn Middle School (middle), rated C-. All sit in Rockford School District 205. Attendance boundaries change — confirm with the district before relying on an assignment.

What are the property taxes on 5520 Sonja Ln, Rockford, IL?

The 2025 property tax bill for 5520 Sonja Ln, Rockford, IL was $14. The county assessed it at $153.

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Assigned schools

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