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Single Family ResidenceResidential
$264,485$290 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $165,000 on Sep 5, 2018

1421 WILLIAMS AVE

ROUND LAKE BEACH, IL 60073
3
Beds
1
Baths
912 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.
1972
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$264K
$254K low$275K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$165,000 · Sep 5, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,411 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$69,121 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,640
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$59,481
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$60,416
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$207,384

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
CountyLake
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1987
Lot (acres)The size of the land the home sits on, from county records.0.12
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.Composition Shingle
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Avon Center SchoolB-
Elementary · Grades KG–4 · 0.4 mi
H
Grayslake North High SchoolA-
High · Grades 9–12 · 0.7 mi
M
Grayslake Middle SchoolC+
Middle · Grades 7–8 · 2.3 mi

District: Grayslake Consolidated Community School District 46

Neighborhood · ZIP 60073These 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.80
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 100.44

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
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.1.8%
PopulationHow many people live in this area.55,828
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,687 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,400
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$103,944
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.54%

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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

1421 Williams 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 77% of homes in Lake County
  • Costs more per square foot than 98% of homes in Round Lake 60073
  • Smaller than 94% of homes in Lake County
  • Has a smaller lot than 85% of homes in Lake County
  • Older than 76% of homes in Round Lake 60073

What homes are worth in Round Lake 60073

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

This home
$130K$526K

This home is worth more than 49% of homes in Round Lake 60073.

How it measures up in Round Lake 60073

The dot is this home. The mark in the middle is the typical home in Round Lake 60073.

Estimated value$264,485
CheaperTypical $266,719Pricier

Pricier than 49% of homes nearby

Price per ft²$290
CheaperTypical $195Pricier

Pricier than 98% of homes nearby

Living area912 ft²
SmallerTypical 1,424 ft²Bigger

Bigger than 10% of homes nearby

Lot size0.12 ac
SmallerTypical 0.15 acBigger

Bigger than 33% of homes nearby

Year built1972
OlderTypical 1995Newer

Newer than 24% of homes nearby

How 1421 Williams Ave ranks against every home in each area.
MeasureThis homeRound Lake 60073Lake County
Estimated valuepricier than$264,48549% of homes23% of homes
Price per ft²pricier than$29098% of homes77% of homes
Living areabigger than912 ft²10% of homes6% of homes
Lot sizebigger than0.12 ac33% of homes15% of homes
Year builtnewer than197224% of homes37% of homes

About 1421 Williams Ave

How much is 1421 Williams Ave, Round Lake Beach, IL worth?

The TopHap Estimate for 1421 Williams Ave, Round Lake Beach, IL is $264,485 as of Aug 30, 2026. The likely range is $254,239 to $274,731. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1421 Williams Ave, Round Lake Beach, IL last sell?

1421 Williams Ave, Round Lake Beach, IL last sold on Sep 5, 2018 for $165,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 1421 Williams Ave, Round Lake Beach, IL?

1421 Williams Ave, Round Lake Beach, IL has 3 bedrooms, 1 bathrooms, 912 square feet of living space and a 0.12-acre lot.

When was 1421 Williams Ave, Round Lake Beach, IL built?

1421 Williams Ave, Round Lake Beach, IL was built in 1972, making it 54 years old. It is a ranch home. The building has 1 story.

What schools serve 1421 Williams Ave, Round Lake Beach, IL?

1421 Williams Ave, Round Lake Beach, IL is assigned to Avon Center School (elementary), rated B-; Grayslake North High School (high), rated A-; Grayslake Middle School (middle), rated C+. All sit in Grayslake Consolidated Community School District 46. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1421 Williams Ave, Round Lake Beach, IL compare to other homes in Round Lake 60073?

Among the 19,178 homes in Round Lake 60073, it is worth more than 49% of them ($264,485 against a typical $266,719), its price per square foot is higher than 98% of them ($290 against a typical $195), it is bigger than 10% of them (912 ft² against a typical 1,424 ft²), its lot is bigger than 33% of them (0.12 ac against a typical 0.15 ac) and it is newer than 24% of them (1972 against a typical 1995). Measured against all of Lake County, it is worth more than 23% 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 1421 Williams Ave, Round Lake Beach, IL?

The 2024 property tax bill for 1421 Williams Ave, Round Lake Beach, IL was $6,411. The county assessed it at $69,121.

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