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Duplex (2 Units, Any Combination)Residential
Last sold for $11,000 on May 28, 2014

1510 18TH AVE

ROCKFORD, IL 61104
4
Beds
2
Baths
1,806 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$11,000 · May 28, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,881 (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.$21,301 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,673
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$17,628
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$19,116
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$63,903

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.42
51
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.15 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.Duplex (2 Units, Any Combination)
CountyWINNEBAGO
Lot (acres)The size of the land the home sits on, from county records.0.20
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
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Alley

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.

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

E
Constance Lane Elementary SchoolD-
Elementary · Grades KG–5 · 1.1 mi
M
Lincoln Middle SchoolD
Middle · Grades 6–8 · 1.1 mi
H
Jefferson High SchoolF
High · Grades 9–12 · 3.4 mi

District: Rockford School District 205

Neighborhood · ZIP 61104These 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.157
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.39

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.84%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.6.0%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.36%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.17,656
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,783 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$34,362
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$47,725
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

1510 18th 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.

  • Has a bigger lot than 78% of homes in Rockford 61104
  • Older than 95% of homes in Winnebago County

How it measures up in Rockford 61104

The dot is this home. The mark in the middle is the typical home in Rockford 61104.

Living area1,806 ft²
SmallerTypical 1,580 ft²Bigger

Bigger than 64% of homes nearby

Lot size0.2 ac
SmallerTypical 0.17 acBigger

Bigger than 78% of homes nearby

Year built1900
OlderTypical 1920Newer

Newer than 26% of homes nearby

How 1510 18th Ave ranks against every home in each area.
MeasureThis homeMidtown DistrictRockford 61104Winnebago County
Living areabigger than1,806 ft²52% of homes64% of homes64% of homes
Lot sizebigger than0.2 ac62% of homes78% of homes31% of homes
Year builtnewer than190052% of homes26% of homes5% of homes

About 1510 18th Ave

When did 1510 18th Ave, Rockford, IL last sell?

1510 18th Ave, Rockford, IL last sold on May 28, 2014 for $11,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 1510 18th Ave, Rockford, IL?

1510 18th Ave, Rockford, IL has 4 bedrooms, 2 bathrooms, 1,806 square feet of living space and a 0.20-acre lot.

When was 1510 18th Ave, Rockford, IL built?

1510 18th Ave, Rockford, IL was built in 1900, making it 126 years old. The building has 2 stories.

What schools serve 1510 18th Ave, Rockford, IL?

1510 18th Ave, Rockford, IL is assigned to Constance Lane Elementary School (elementary), rated D-; Lincoln Middle School (middle), rated D; Jefferson 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 1510 18th Ave, Rockford, IL compare to other homes in Rockford 61104?

Among the 4,606 homes in Rockford 61104, it is bigger than 64% of them (1,806 ft² against a typical 1,580 ft²), its lot is bigger than 78% of them (0.2 ac against a typical 0.17 ac) and it is newer than 26% of them (1900 against a typical 1920). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 1510 18th Ave, Rockford, IL?

The 2025 property tax bill for 1510 18th Ave, Rockford, IL was $1,881. The county assessed it at $21,301.

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