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Single Family ResidenceResidential
$134,865$70 / 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 87How 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

4405 MAYFLOWER AVE

ROCKFORD, IL 61109
3
Beds
1
Baths
1,924 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1978
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$135K
$117K low$153K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,229 (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.$47,142 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,112
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$40,030
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$42,643
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$141,426

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.31
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
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.
61
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.

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
Lot (acres)The size of the land the home sits on, from county records.0.17
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

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Hillman Elementary SchoolB
Elementary · Grades KG–5 · 0.7 mi
H
Jefferson High SchoolF
High · Grades 9–12 · 1.3 mi
M
Flinn Middle SchoolC-
Middle · Grades 6–8 · 1.4 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

4405 Mayflower Ave 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 less than 79% of homes in Winnebago County
  • Costs less per square foot than 91% of homes in Winnebago County
  • Bigger than 69% of homes in Winnebago County
  • Has a smaller lot than 80% of homes in Winnebago County
  • Newer than 72% 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
$49K$399K

This home is worth more than 34% 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$134,865
CheaperTypical $194,881Pricier

Pricier than 34% of homes nearby

Price per ft²$70
CheaperTypical $91Pricier

Pricier than 17% of homes nearby

Living area1,924 ft²
SmallerTypical 1,879 ft²Bigger

Bigger than 51% of homes nearby

Lot size0.17 ac
SmallerTypical 0.31 acBigger

Bigger than 22% of homes nearby

Year built1978
OlderTypical 1970Newer

Newer than 72% of homes nearby

How 4405 Mayflower Ave ranks against every home in each area.
MeasureThis homeRockford 61109Winnebago County
Estimated valuepricier than$134,86534% of homes21% of homes
Price per ft²pricier than$7017% of homes9% of homes
Living areabigger than1,924 ft²51% of homes69% of homes
Lot sizebigger than0.17 ac22% of homes20% of homes
Year builtnewer than197872% of homes67% of homes

About 4405 Mayflower Ave

How much is 4405 Mayflower Ave, Rockford, IL worth?

The TopHap Estimate for 4405 Mayflower Ave, Rockford, IL is $134,865 as of Sep 24, 2026. The likely range is $116,791 to $152,939. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4405 Mayflower Ave, Rockford, IL last sell?

4405 Mayflower Ave, Rockford, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4405 Mayflower Ave, Rockford, IL?

4405 Mayflower Ave, Rockford, IL has 3 bedrooms, 1 bathrooms, 1,924 square feet of living space and a 0.17-acre lot.

When was 4405 Mayflower Ave, Rockford, IL built?

4405 Mayflower Ave, Rockford, IL was built in 1978, making it 48 years old. The building has 1 story.

What schools serve 4405 Mayflower Ave, Rockford, IL?

4405 Mayflower Ave, Rockford, IL is assigned to Hillman Elementary School (elementary), rated B; 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 4405 Mayflower Ave, Rockford, IL compare to other homes in Rockford 61109?

Among the 8,744 homes in Rockford 61109, it is worth more than 34% of them ($134,865 against a typical $194,881), its price per square foot is higher than 17% of them ($70 against a typical $91), it is bigger than 51% of them (1,924 ft² against a typical 1,879 ft²), its lot is bigger than 22% of them (0.17 ac against a typical 0.31 ac) and it is newer than 72% of them (1978 against a typical 1970). Measured against all of Winnebago County, it is worth more than 21% 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 4405 Mayflower Ave, Rockford, IL?

The 2025 property tax bill for 4405 Mayflower Ave, Rockford, IL was $3,229. The county assessed it at $47,142.

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