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Single Family ResidenceResidential
$164,135$100 / 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 $88,500 on Oct 16, 2018

3335 SEWARD AVE

ROCKFORD, IL 61108
3
Beds
1
Baths
1,649 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
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

$164K
$154K low$174K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$88,500 · Oct 16, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,130 (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.$41,450 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,949
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$34,501
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$37,198
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$124,350

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.32
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.
60
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.Ranch
CountyWINNEBAGO
Lot (acres)The size of the land the home sits on, from county records.0.22
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.Yes
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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
Flinn Middle SchoolD-
Middle · Grades 6–8 · 0.2 mi
E
Whitehead Elementary SchoolD
Elementary · Grades KG–5 · 0.3 mi
H
East High SchoolF
High · Grades 9–12 · 1.3 mi

District: Rockford School District 205

Neighborhood · ZIP 61108These 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.87
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 100.40

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
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.30,642
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,718 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,181
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$76,210
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.35 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

3335 Seward 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 75% of homes in Rockford 61108
  • Costs less per square foot than 83% of homes in Rockford 61108
  • Has a bigger lot than 74% of homes in Rolling Green
  • Newer than 78% of homes in Rolling Green

What homes are worth in Rockford 61108

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

This home
$115K$380K

This home is worth more than 25% of homes in Rockford 61108.

How it measures up in Rockford 61108

The dot is this home. The mark in the middle is the typical home in Rockford 61108.

Estimated value$164,135
CheaperTypical $192,472Pricier

Pricier than 25% of homes nearby

Price per ft²$100
CheaperTypical $124Pricier

Pricier than 17% of homes nearby

Living area1,649 ft²
SmallerTypical 1,648 ft²Bigger

Bigger than 51% of homes nearby

Lot size0.22 ac
SmallerTypical 0.24 acBigger

Bigger than 41% of homes nearby

Year built1959
OlderTypical 1962Newer

Newer than 42% of homes nearby

How 3335 Seward Ave ranks against every home in each area.
MeasureThis homeRolling GreenRockford 61108Winnebago County
Estimated valuepricier than$164,13543% of homes25% of homes32% of homes
Price per ft²pricier than$10030% of homes17% of homes28% of homes
Living areabigger than1,649 ft²63% of homes51% of homes55% of homes
Lot sizebigger than0.22 ac74% of homes41% of homes34% of homes
Year builtnewer than195978% of homes42% of homes42% of homes

About 3335 Seward Ave

How much is 3335 Seward Ave, Rockford, IL worth?

The TopHap Estimate for 3335 Seward Ave, Rockford, IL is $164,135 as of Sep 24, 2026. The likely range is $154,228 to $174,042. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3335 Seward Ave, Rockford, IL last sell?

3335 Seward Ave, Rockford, IL last sold on Oct 16, 2018 for $88,500, according to the county's recorded deed.

How big is 3335 Seward Ave, Rockford, IL?

3335 Seward Ave, Rockford, IL has 3 bedrooms, 1 bathrooms, 1,649 square feet of living space and a 0.22-acre lot.

When was 3335 Seward Ave, Rockford, IL built?

3335 Seward Ave, Rockford, IL was built in 1959, making it 67 years old. It is a ranch home. The building has 1 story.

What schools serve 3335 Seward Ave, Rockford, IL?

3335 Seward Ave, Rockford, IL is assigned to Flinn Middle School (middle), rated D-; Whitehead Elementary School (elementary), rated D; East High School (high), rated F. All sit in Rockford School District 205. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3335 Seward Ave, Rockford, IL compare to other homes in Rockford 61108?

Among the 9,977 homes in Rockford 61108, it is worth more than 25% of them ($164,135 against a typical $192,472), its price per square foot is higher than 17% of them ($100 against a typical $124), it is bigger than 51% of them (1,649 ft² against a typical 1,648 ft²), its lot is bigger than 41% of them (0.22 ac against a typical 0.24 ac) and it is newer than 42% of them (1959 against a typical 1962). Measured against all of Winnebago County, it is worth more than 32% 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 3335 Seward Ave, Rockford, IL?

The 2025 property tax bill for 3335 Seward Ave, Rockford, IL was $3,130. The county assessed it at $41,450.

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