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Single Family ResidenceResidential
$195,548$122 / 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 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $52,500 on Mar 24, 2014

639 N LONDON AVE

ROCKFORD, IL 61107
3
Beds
2.5
Baths
1,607 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
2
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$196K
$174K low$217K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$52,500 · Mar 24, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,071 (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.$52,114 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,674
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$46,440
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$46,768
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$156,342

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.40
43
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.
31
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.10 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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.0.12
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 192 ft²

Transaction History(4)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(2)

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

M
Lincoln Middle SchoolF
Middle · Grades 6–8 · 0.8 mi
E
Bloom Elementary SchoolD-
Elementary · Grades KG–5 · 0.8 mi
H
East High SchoolF
High · Grades 9–12 · 1.3 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%

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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

639 N London 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 70% of homes in Rockford 61107
  • Smaller than 69% of homes in Rockford 61107
  • Among the smallest lots in Rockford 61107
  • Older than 93% 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
$104K$576K

This home is worth more than 30% 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$195,548
CheaperTypical $236,064Pricier

Pricier than 30% of homes nearby

Price per ft²$122
CheaperTypical $126Pricier

Pricier than 44% of homes nearby

Living area1,607 ft²
SmallerTypical 1,930 ft²Bigger

Bigger than 31% of homes nearby

Lot size0.12 ac
SmallerTypical 0.26 acBigger

Smaller than almost all homes nearby

Year built1920
OlderTypical 1959Newer

Newer than 7% of homes nearby

How 639 N London Ave ranks against every home in each area.
MeasureThis homeNorth HighlandRockford 61107Winnebago County
Estimated valuepricier than$195,54856% of homes30% of homes44% of homes
Price per ft²pricier than$12258% of homes44% of homes45% of homes
Living areabigger than1,607 ft²45% of homes31% of homes53% of homes
Lot sizebigger than0.12 ac2% of homesalmost no homes2% of homes
Year builtnewer than192016% of homes7% of homes9% of homes

About 639 N London Ave

How much is 639 N London Ave, Rockford, IL worth?

The TopHap Estimate for 639 N London Ave, Rockford, IL is $195,548 as of Oct 21, 2026. The likely range is $174,332 to $216,764. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 639 N London Ave, Rockford, IL last sell?

639 N London Ave, Rockford, IL last sold on Mar 24, 2014 for $52,500, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 639 N London Ave, Rockford, IL?

639 N London Ave, Rockford, IL has 3 bedrooms, 2.5 bathrooms, 1,607 square feet of living space and a 0.12-acre lot.

When was 639 N London Ave, Rockford, IL built?

639 N London Ave, Rockford, IL was built in 1920, making it 106 years old. The building has 2 stories.

What schools serve 639 N London Ave, Rockford, IL?

639 N London Ave, Rockford, IL is assigned to Lincoln Middle School (middle), rated F; Bloom 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 639 N London Ave, Rockford, IL compare to other homes in Rockford 61107?

Among the 11,011 homes in Rockford 61107, it is worth more than 30% of them ($195,548 against a typical $236,064), its price per square foot is higher than 44% of them ($122 against a typical $126), it is bigger than 31% of them (1,607 ft² against a typical 1,930 ft²), its lot is bigger than almost none of them (0.12 ac against a typical 0.26 ac) and it is newer than 7% of them (1920 against a typical 1959). Measured against all of Winnebago County, it is worth more than 44% 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 639 N London Ave, Rockford, IL?

The 2025 property tax bill for 639 N London Ave, Rockford, IL was $4,071. The county assessed it at $52,114.

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