Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$594,076$125 / 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 93How 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

4 JACOBY PL

ROCKFORD, IL 61107
4
Beds
4.5
Baths
4,737 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.
1.87 ac
Lot SizeThe size of the land the home sits on, from county records.
1989
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$594K
$555K low$633K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,012 (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.$192,354 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$41,661
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$150,693
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$248,351
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$577,062

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.35
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
17
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.
62
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
ConstructionThe main material the home's frame and walls are built from.Brick
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

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.

M
Eisenhower Middle SchoolD
Middle · Grades 6–8 · 1.1 mi
E
Carlson Elementary SchoolC
Elementary · Grades KG–5 · 1.9 mi
H
Guilford High SchoolD
High · Grades 9–12 · 2.9 mi

District: Rockford School District 205

Neighborhood · ZIP 61107These 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.89
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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.29,768
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,019 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,050
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$94,291
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%

Owner Tools

Do you own this home?
Claim this home

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

4 Jacoby Pl 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
  • Among the largest homes in Rockford 61107
  • Has a bigger lot than 94% of homes in Rockford 61107
  • Newer than 85% of homes in Rockford 61107

What homes are worth in Rockford 61107

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

This home
$114K$608K

This home is worth more than 98% of homes in Rockford 61107.

How it measures up in Rockford 61107

The dot is this home. The mark in the middle is the typical home in Rockford 61107.

Estimated value$594,076
CheaperTypical $238,231Pricier

Pricier than 98% of homes nearby

Price per ft²$125
CheaperTypical $128Pricier

Pricier than 47% of homes nearby

Living area4,737 ft²
SmallerTypical 1,926 ft²Bigger

Bigger than almost all homes nearby

Lot size1.87 ac
SmallerTypical 0.26 acBigger

Bigger than 94% of homes nearby

Year built1989
OlderTypical 1959Newer

Newer than 85% of homes nearby

How 4 Jacoby Pl ranks against every home in each area.
MeasureThis homeRockford 61107Winnebago County
Estimated valuepricier than$594,07698% of homesalmost all homes
Price per ft²pricier than$12547% of homes47% of homes
Living areabigger than4,737 ft²almost all homesalmost all homes
Lot sizebigger than1.87 ac94% of homes92% of homes
Year builtnewer than198985% of homes75% of homes

About 4 Jacoby Pl

How much is 4 Jacoby Pl, Rockford, IL worth?

The TopHap Estimate for 4 Jacoby Pl, Rockford, IL is $594,076 as of Sep 24, 2026. The likely range is $554,704 to $633,448. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 Jacoby Pl, Rockford, IL last sell?

4 Jacoby Pl, Rockford, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4 Jacoby Pl, Rockford, IL?

4 Jacoby Pl, Rockford, IL has 4 bedrooms, 4.5 bathrooms and 4,737 square feet of living space.

When was 4 Jacoby Pl, Rockford, IL built?

4 Jacoby Pl, Rockford, IL was built in 1989, making it 37 years old. It is a custom design home. The building has 1 story.

What schools serve 4 Jacoby Pl, Rockford, IL?

4 Jacoby Pl, Rockford, IL is assigned to Eisenhower Middle School (middle), rated D; Carlson Elementary School (elementary), rated C; Guilford High School (high), rated D. All sit in Rockford School District 205. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4 Jacoby Pl, Rockford, IL compare to other homes in Rockford 61107?

Among the 11,011 homes in Rockford 61107, it is worth more than 98% of them ($594,076 against a typical $238,231), its price per square foot is higher than 47% of them ($125 against a typical $128), it is bigger than almost all of them (4,737 ft² against a typical 1,926 ft²), its lot is bigger than 94% of them (1.87 ac against a typical 0.26 ac) and it is newer than 85% of them (1989 against a typical 1959). 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 4 Jacoby Pl, Rockford, IL?

The 2025 property tax bill for 4 Jacoby Pl, Rockford, IL was $16,012. The county assessed it at $192,354.

More homes on Jacoby Pl

Closest homes

More homes in Rockford 61107

Assigned schools

Explore the area

See this home in context

Open 4 Jacoby Pl on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map