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Single Family ResidenceResidential
$661,018$207 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $575,000 on Sep 3, 2024

3878 GRAY FOX RUN

ROCKFORD, IL 61114
4
Beds
3.5
Baths
3,190 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.
1.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1997
Year BuiltThe year the home was originally built, according to county records.
2
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

$661K
$618K low$704K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$575,000 · Sep 3, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,603 (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.$185,650 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$21,205
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$164,445
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$166,607
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$556,950

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.37
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
23
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.
65
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Custom Design
CountyWINNEBAGO
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
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 300 ft²

Transaction History(7)

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
Guilford High SchoolD
High · Grades 9–12 · 3.6 mi
E
Spring Creek Elementary SchoolC-
Elementary · Grades KG–5 · 3.9 mi
M
Eisenhower Middle SchoolD
Middle · Grades 6–8 · 5.3 mi

District: Rockford School District 205

Neighborhood · ZIP 61114These 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.53
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 100.38

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.7%
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.15,641
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,943 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$86,141
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$113,567
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.34 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

3878 Gray Fox Run 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.

  • Among the most valuable homes in Winnebago County
  • Costs more per square foot than 95% of homes in Rockford 61114
  • Bigger than 93% of homes in Winnebago County
  • Has a bigger lot than 90% of homes in Winnebago County
  • Newer than 87% of homes in Rockford 61114

What homes are worth in Rockford 61114

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

This home
$133K$637K

This home is worth more than 98% of homes in Rockford 61114.

How it measures up in Rockford 61114

The dot is this home. The mark in the middle is the typical home in Rockford 61114.

Estimated value$661,018
CheaperTypical $302,652Pricier

Pricier than 98% of homes nearby

Price per ft²$207
CheaperTypical $141Pricier

Pricier than 95% of homes nearby

Living area3,190 ft²
SmallerTypical 2,189 ft²Bigger

Bigger than 87% of homes nearby

Lot size1.22 ac
SmallerTypical 0.33 acBigger

Bigger than 84% of homes nearby

Year built1997
OlderTypical 1981Newer

Newer than 87% of homes nearby

How 3878 Gray Fox Run ranks against every home in each area.
MeasureThis homeRockford 61114Winnebago County
Estimated valuepricier than$661,01898% of homesalmost all homes
Price per ft²pricier than$20795% of homes90% of homes
Living areabigger than3,190 ft²87% of homes93% of homes
Lot sizebigger than1.22 ac84% of homes90% of homes
Year builtnewer than199787% of homes85% of homes

About 3878 Gray Fox Run

How much is 3878 Gray Fox Run, Rockford, IL worth?

The TopHap Estimate for 3878 Gray Fox Run, Rockford, IL is $661,018 as of Sep 24, 2026. The likely range is $618,063 to $703,973. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3878 Gray Fox Run, Rockford, IL last sell?

3878 Gray Fox Run, Rockford, IL last sold on Sep 3, 2024 for $575,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 3878 Gray Fox Run, Rockford, IL?

3878 Gray Fox Run, Rockford, IL has 4 bedrooms, 3.5 bathrooms and 3,190 square feet of living space.

When was 3878 Gray Fox Run, Rockford, IL built?

3878 Gray Fox Run, Rockford, IL was built in 1997, making it 29 years old. It is a custom design home. The building has 2 stories.

What schools serve 3878 Gray Fox Run, Rockford, IL?

3878 Gray Fox Run, Rockford, IL is assigned to Guilford High School (high), rated D; Spring Creek Elementary School (elementary), rated C-; Eisenhower Middle School (middle), rated D. All sit in Rockford School District 205. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3878 Gray Fox Run, Rockford, IL compare to other homes in Rockford 61114?

Among the 5,392 homes in Rockford 61114, it is worth more than 98% of them ($661,018 against a typical $302,652), its price per square foot is higher than 95% of them ($207 against a typical $141), it is bigger than 87% of them (3,190 ft² against a typical 2,189 ft²), its lot is bigger than 84% of them (1.22 ac against a typical 0.33 ac) and it is newer than 87% of them (1997 against a typical 1981). Measured against all of Winnebago County, it is worth more than almost all 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 3878 Gray Fox Run, Rockford, IL?

The 2025 property tax bill for 3878 Gray Fox Run, Rockford, IL was $12,603. The county assessed it at $185,650.

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