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Single Family ResidenceResidential
$399,000
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 88How 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 $355,000 on Sep 21, 2022

4144 TRIMBLE LN

ROCKFORD, IL 61102
0
Baths
0.38 ac
Lot SizeThe size of the land the home sits on, from county records.
1
StoriesHow many floors the home has above ground.

Valuation

$399K
$351K low$447K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$355,000 · Sep 21, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,920 (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.$130,602 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$29,515
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$101,087
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$117,596
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$391,806

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWINNEBAGO
Lot (acres)The size of the land the home sits on, from county records.0.38
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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
Dorothy Simon Elementary School
Elementary · Grades PK–2 · 3.8 mi
H
Winnebago High SchoolD
High · Grades 9–12 · 4.1 mi
M
Winnebago Middle SchoolC+
Middle · Grades 6–8 · 4.2 mi

District: Winnebago Community Unit School District 323

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%

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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

4144 Trimble 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.

  • Worth more than 98% of homes in Rockford 61102
  • Has a bigger lot than 66% of homes in Winnebago County

What homes are worth in Rockford 61102

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

This home
$43K$409K

This home is worth more than 98% of homes in Rockford 61102.

How it measures up in Rockford 61102

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

Estimated value$399,000
CheaperTypical $92,759Pricier

Pricier than 98% of homes nearby

Lot size0.38 ac
SmallerTypical 0.25 acBigger

Bigger than 64% of homes nearby

How 4144 Trimble Ln ranks against every home in each area.
MeasureThis homeRockford 61102Winnebago County
Estimated valuepricier than$399,00098% of homes94% of homes
Lot sizebigger than0.38 ac64% of homes66% of homes

About 4144 Trimble Ln

How much is 4144 Trimble Ln, Rockford, IL worth?

The TopHap Estimate for 4144 Trimble Ln, Rockford, IL is $399,000 as of Jul 14, 2026. The likely range is $351,292 to $446,708. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4144 Trimble Ln, Rockford, IL last sell?

4144 Trimble Ln, Rockford, IL last sold on Sep 21, 2022 for $355,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

What schools serve 4144 Trimble Ln, Rockford, IL?

4144 Trimble Ln, Rockford, IL is assigned to Dorothy Simon Elementary School (elementary); Winnebago High School (high), rated D; Winnebago Middle School (middle), rated C+. All sit in Winnebago Community Unit School District 323. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4144 Trimble Ln, Rockford, IL compare to other homes in Rockford 61102?

Among the 5,908 homes in Rockford 61102, it is worth more than 98% of them ($399,000 against a typical $92,759) and its lot is bigger than 64% of them (0.38 ac against a typical 0.25 ac). Measured against all of Winnebago County, it is worth more than 94% 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 4144 Trimble Ln, Rockford, IL?

The 2025 property tax bill for 4144 Trimble Ln, Rockford, IL was $8,920. The county assessed it at $130,602.

More homes on Trimble Ln

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Assigned schools

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