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Single Family ResidenceResidential
$289,187$75 / ft²
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 97How 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 $199,000 on Sep 27, 2021

6100 PENGUIN DR

ROCKFORD, IL 61109
5
Beds
2
Baths
3,851 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.
1.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1964
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$289K
$282K low$297K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$199,000 · Sep 27, 2021
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$53,792
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$43,034
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.82%
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.$195,395
ACADEMY MORTGAGE CORP · 3.5% · recorded Sep 27, 2021
2nd 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.$40,000
BMO BANK NA

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,448 (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.$87,979 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$17,228
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$70,751
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$79,583
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$263,937

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWINNEBAGO
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.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

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 · 1.0 mi
E
Arthur W. Froberg Elementary SchoolD
Elementary · Grades KG–5 · 2.0 mi
M
Flinn Middle SchoolC-
Middle · Grades 6–8 · 3.3 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.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

6100 Penguin Dr 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 90% of homes in Rockford 61109
  • Costs less per square foot than 87% of homes in Winnebago County
  • Bigger than 98% of homes in Winnebago County
  • Has a bigger lot than 94% of homes in Rockford 61109

What homes are worth in Rockford 61109

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

This home
$47K$395K

This home is worth more than 90% of homes in Rockford 61109.

How it measures up in Rockford 61109

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

Estimated value$289,187
CheaperTypical $198,044Pricier

Pricier than 90% of homes nearby

Price per ft²$75
CheaperTypical $87Pricier

Pricier than 28% of homes nearby

Living area3,851 ft²
SmallerTypical 1,872 ft²Bigger

Bigger than 95% of homes nearby

Lot size1.13 ac
SmallerTypical 0.3 acBigger

Bigger than 94% of homes nearby

Year built1964
OlderTypical 1970Newer

Newer than 39% of homes nearby

How 6100 Penguin Dr ranks against every home in each area.
MeasureThis homeRockford 61109Winnebago County
Estimated valuepricier than$289,18790% of homes78% of homes
Price per ft²pricier than$7528% of homes13% of homes
Living areabigger than3,851 ft²95% of homes98% of homes
Lot sizebigger than1.13 ac94% of homes90% of homes
Year builtnewer than196439% of homes49% of homes

About 6100 Penguin Dr

How much is 6100 Penguin Dr, Rockford, IL worth?

The TopHap Estimate for 6100 Penguin Dr, Rockford, IL is $289,187 as of Jul 14, 2026. The likely range is $281,576 to $296,798. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6100 Penguin Dr, Rockford, IL last sell?

6100 Penguin Dr, Rockford, IL last sold on Sep 27, 2021 for $199,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 6100 Penguin Dr, Rockford, IL?

6100 Penguin Dr, Rockford, IL has 5 bedrooms, 2 bathrooms and 3,851 square feet of living space.

When was 6100 Penguin Dr, Rockford, IL built?

6100 Penguin Dr, Rockford, IL was built in 1964, making it 62 years old. The building has 1 story.

What schools serve 6100 Penguin Dr, Rockford, IL?

6100 Penguin Dr, 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.

How does 6100 Penguin Dr, Rockford, IL compare to other homes in Rockford 61109?

Among the 8,747 homes in Rockford 61109, it is worth more than 90% of them ($289,187 against a typical $198,044), its price per square foot is higher than 28% of them ($75 against a typical $87), it is bigger than 95% of them (3,851 ft² against a typical 1,872 ft²), its lot is bigger than 94% of them (1.13 ac against a typical 0.3 ac) and it is newer than 39% of them (1964 against a typical 1970). Measured against all of Winnebago County, it is worth more than 78% 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 6100 Penguin Dr, Rockford, IL?

The 2025 property tax bill for 6100 Penguin Dr, Rockford, IL was $5,448. The county assessed it at $87,979.

More homes on Penguin Dr

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More homes in Rockford 61109

Assigned schools

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