Skip to content
Skip to content
TopHapOpen in map
Rural ResidenceResidential
$2,347,845$652 / 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 41How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

18318 IL ROUTE 173

HARVARD, IL 60033
3 / 1
Baths
3,600 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.
10 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$2.3M
$972K low$3.7M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,647 (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.$143,119 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,977
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$136,142
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$132,015
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$429,357

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.12 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Rural Residence
CountyMcHenry
Lot (acres)The size of the land the home sits on, from county records.10.00
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes

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.

M
Harvard Jr High SchoolC
Middle · Grades 6–8 · 2.8 mi
H
Harvard High SchoolD+
High · Grades 9–12 · 3.0 mi
E
Crosby Elementary SchoolF
Elementary · Grades KG–3 · 4.4 mi

District: Harvard Community Unit School District 50

Neighborhood · ZIP 60033These 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.125
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.38

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.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
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.14,725
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.124 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$70,630
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$94,383
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.54%

Owner Tools

Do you own this home?
Claim this home

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

18318 Il Route 173 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.

  • Among the most valuable homes in Harvard 60033
  • Among the highest price per square foot in McHenry County
  • Bigger than 95% of homes in McHenry County
  • Has a bigger lot than 98% of homes in McHenry County
  • Older than 74% of homes in McHenry County

What homes are worth in Harvard 60033

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

This home
$115K$981K

This home is worth more than almost all homes in Harvard 60033.

How it measures up in Harvard 60033

The dot is this home. The mark in the middle is the typical home in Harvard 60033.

Estimated value$2,347,845
CheaperTypical $260,612Pricier

Pricier than almost all homes nearby

Price per ft²$652
CheaperTypical $190Pricier

Pricier than almost all homes nearby

Living area3,600 ft²
SmallerTypical 1,820 ft²Bigger

Bigger than 91% of homes nearby

Lot size10 ac
SmallerTypical 0.3 acBigger

Bigger than 89% of homes nearby

Year built1970
OlderTypical 1982Newer

Newer than 34% of homes nearby

How 18318 Il Route 173 ranks against every home in each area.
MeasureThis homeHarvard 60033McHenry County
Estimated valuepricier than$2,347,845almost all homesalmost all homes
Price per ft²pricier than$652almost all homesalmost all homes
Living areabigger than3,600 ft²91% of homes95% of homes
Lot sizebigger than10 ac89% of homes98% of homes
Year builtnewer than197034% of homes26% of homes

About 18318 Il Route 173

How much is 18318 Il Route 173, Harvard, IL worth?

The TopHap Estimate for 18318 Il Route 173, Harvard, IL is $2,347,845 as of Jul 14, 2026. The likely range is $971,929 to $3,723,762. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 18318 Il Route 173, Harvard, IL?

18318 Il Route 173, Harvard, IL has 3 bathrooms, 3,600 square feet of living space and a 10.00-acre lot.

When was 18318 Il Route 173, Harvard, IL built?

18318 Il Route 173, Harvard, IL was built in 1970, making it 56 years old. The building has 2 stories.

What schools serve 18318 Il Route 173, Harvard, IL?

18318 Il Route 173, Harvard, IL is assigned to Harvard Jr High School (middle), rated C; Harvard High School (high), rated D+; Crosby Elementary School (elementary), rated F. All sit in Harvard Community Unit School District 50. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18318 Il Route 173, Harvard, IL compare to other homes in Harvard 60033?

Among the 4,335 homes in Harvard 60033, it is worth more than almost all of them ($2,347,845 against a typical $260,612), its price per square foot is higher than almost all of them ($652 against a typical $190), it is bigger than 91% of them (3,600 ft² against a typical 1,820 ft²), its lot is bigger than 89% of them (10 ac against a typical 0.3 ac) and it is newer than 34% of them (1970 against a typical 1982). Measured against all of McHenry County, it is worth more than almost all 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 18318 Il Route 173, Harvard, IL?

The 2024 property tax bill for 18318 Il Route 173, Harvard, IL was $9,647. The county assessed it at $143,119.

More homes on Il Route 173

Closest homes

More homes in Harvard 60033

Assigned schools

Explore the area

See this home in context

Open 18318 Il Route 173 on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map