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Single Family ResidenceResidential
$340,197$253 / 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 90How 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 $309,000 on Jun 6, 2025

10105 WILLIAM ST

RICHMOND, IL 60071
0
Baths
1,344 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1965
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$340K
$308K low$373K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$309,000 · Jun 6, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,321 (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.$61,243 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$18,709
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$42,534
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$61,243
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$183,729

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

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
CountyMcHenry
Lot (acres)The size of the land the home sits on, from county records.0.25
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.None

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(1)

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

E
Richmond Grade SchoolB
Elementary · Grades PK–5 · 0.2 mi
M
Nippersink Middle SchoolB
Middle · Grades 6–8 · 0.3 mi
H
Richmond-Burton High SchoolA-
High · Grades 9–12 · 1.8 mi

District: Richmond-Burton Community High School District 157

Neighborhood · ZIP 60071These 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.119
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.34

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.4,418
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.180 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,728
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$123,309
Average tempThe average temperature here across a full year.47°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.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

10105 William St 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.

  • Costs more per square foot than 82% of homes in McHenry County
  • Smaller than 71% of homes in McHenry County
  • Has a smaller lot than 84% of homes in Richmond 60071
  • Older than 78% of homes in McHenry County

What homes are worth in Richmond 60071

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

This home
$125K$795K

This home is worth more than 40% of homes in Richmond 60071.

How it measures up in Richmond 60071

The dot is this home. The mark in the middle is the typical home in Richmond 60071.

Estimated value$340,197
CheaperTypical $392,787Pricier

Pricier than 40% of homes nearby

Price per ft²$253
CheaperTypical $206Pricier

Pricier than 78% of homes nearby

Living area1,344 ft²
SmallerTypical 1,757 ft²Bigger

Bigger than 30% of homes nearby

Lot size0.25 ac
SmallerTypical 1 acBigger

Bigger than 16% of homes nearby

Year built1965
OlderTypical 1990Newer

Newer than 23% of homes nearby

How 10105 William St ranks against every home in each area.
MeasureThis homeRichmond 60071McHenry County
Estimated valuepricier than$340,19740% of homes43% of homes
Price per ft²pricier than$25378% of homes82% of homes
Living areabigger than1,344 ft²30% of homes29% of homes
Lot sizebigger than0.25 ac16% of homes49% of homes
Year builtnewer than196523% of homes22% of homes

About 10105 William St

How much is 10105 William St, Richmond, IL worth?

The TopHap Estimate for 10105 William St, Richmond, IL is $340,197 as of Sep 24, 2026. The likely range is $307,678 to $372,716. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10105 William St, Richmond, IL last sell?

10105 William St, Richmond, IL last sold on Jun 6, 2025 for $309,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 10105 William St, Richmond, IL?

10105 William St, Richmond, IL has 1,344 square feet of living space and a 0.25-acre lot.

When was 10105 William St, Richmond, IL built?

10105 William St, Richmond, IL was built in 1965, making it 61 years old. The building has 1 story.

What schools serve 10105 William St, Richmond, IL?

10105 William St, Richmond, IL is assigned to Richmond Grade School (elementary), rated B; Nippersink Middle School (middle), rated B; Richmond-Burton High School (high), rated A-. All sit in Richmond-Burton Community High School District 157. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 10105 William St, Richmond, IL compare to other homes in Richmond 60071?

Among the 1,517 homes in Richmond 60071, it is worth more than 40% of them ($340,197 against a typical $392,787), its price per square foot is higher than 78% of them ($253 against a typical $206), it is bigger than 30% of them (1,344 ft² against a typical 1,757 ft²), its lot is bigger than 16% of them (0.25 ac against a typical 1 ac) and it is newer than 23% of them (1965 against a typical 1990). Measured against all of McHenry County, it is worth more than 43% 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 10105 William St, Richmond, IL?

The 2024 property tax bill for 10105 William St, Richmond, IL was $4,321. The county assessed it at $61,243.

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Assigned schools

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