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Single Family ResidenceResidential
$442,414$93 / 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 83How 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

4710 20TH ST

ROCKFORD, IL 61109
3
Beds
2.5
Baths
4,766 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.
10 ac
Lot SizeThe size of the land the home sits on, from county records.
2001
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$442K
$368K low$517K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,833 (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.$133,917 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$33,801
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$100,116
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$121,137
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$401,751

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.53
100
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.
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.197 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

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
CountyWINNEBAGO
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

Transaction History(1)

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
Arthur W. Froberg Elementary SchoolD
Elementary · Grades KG–5 · 0.2 mi
H
Jefferson High SchoolF
High · Grades 9–12 · 0.9 mi
M
Flinn Middle SchoolC-
Middle · Grades 6–8 · 1.9 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%

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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

4710 20th St 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 Rockford 61109
  • Costs less per square foot than 78% of homes in Winnebago County
  • Among the largest homes in Winnebago County
  • Among the largest lots in Rockford 61109
  • Newer than 92% 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
$48K$395K

This home is worth more than almost all 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$442,414
CheaperTypical $194,926Pricier

Pricier than almost all homes nearby

Price per ft²$93
CheaperTypical $91Pricier

Pricier than 53% of homes nearby

Living area4,766 ft²
SmallerTypical 1,872 ft²Bigger

Bigger than 98% of homes nearby

Lot size10 ac
SmallerTypical 0.3 acBigger

Bigger than almost all homes nearby

Year built2001
OlderTypical 1969Newer

Newer than 92% of homes nearby

How 4710 20th St ranks against every home in each area.
MeasureThis homeRockford 61109Winnebago County
Estimated valuepricier than$442,414almost all homes96% of homes
Price per ft²pricier than$9353% of homes22% of homes
Living areabigger than4,766 ft²98% of homesalmost all homes
Lot sizebigger than10 acalmost all homes98% of homes
Year builtnewer than200192% of homes89% of homes

About 4710 20th St

How much is 4710 20th St, Rockford, IL worth?

The TopHap Estimate for 4710 20th St, Rockford, IL is $442,414 as of Sep 24, 2026. The likely range is $368,057 to $516,771. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4710 20th St, Rockford, IL last sell?

4710 20th St, Rockford, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4710 20th St, Rockford, IL?

4710 20th St, Rockford, IL has 3 bedrooms, 2.5 bathrooms and 4,766 square feet of living space.

When was 4710 20th St, Rockford, IL built?

4710 20th St, Rockford, IL was built in 2001, making it 25 years old. The building has 2 stories.

What schools serve 4710 20th St, Rockford, IL?

4710 20th St, Rockford, IL is assigned to Arthur W. Froberg Elementary School (elementary), rated D; Jefferson High School (high), rated F; 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 4710 20th St, Rockford, IL compare to other homes in Rockford 61109?

Among the 8,744 homes in Rockford 61109, it is worth more than almost all of them ($442,414 against a typical $194,926), its price per square foot is higher than 53% of them ($93 against a typical $91), it is bigger than 98% of them (4,766 ft² against a typical 1,872 ft²), its lot is bigger than almost all of them (10 ac against a typical 0.3 ac) and it is newer than 92% of them (2001 against a typical 1969). Measured against all of Winnebago County, it is worth more than 96% 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 4710 20th St, Rockford, IL?

The 2025 property tax bill for 4710 20th St, Rockford, IL was $8,833. The county assessed it at $133,917.

More homes on 20th St

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Assigned schools

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