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Single Family ResidenceResidential
$794,460$242 / 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 95How 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

306 THIERRY LN

PROSPECT HEIGHTS, IL 60070
4
Beds
3 / 1
Baths
3,284 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.
0.46 ac
Lot SizeThe size of the land the home sits on, from county records.
1989
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.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$794K
$753K low$836K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,954 (2023)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$51,359 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$16,187
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$35,172
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$51,359
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$513,590

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.47
50
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
14
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
62
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
66
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
45
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.14 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
StyleThe architectural style of the home, such as ranch or colonial.Split Level
CountyCook
Lot (acres)The size of the land the home sits on, from county records.0.47
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
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.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached

Transaction History(1)

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
Robert Frost Elementary SchoolC+
Elementary · Grades PK–5 · 1.4 mi
H
Wheeling High SchoolB
High · Grades 9–12 · 1.8 mi
M
Oliver W Holmes Middle SchoolC-
Middle · Grades 6–8 · 2.4 mi

District: Wheeling Community Consolidated School District 21

Neighborhood · ZIP 60070These 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.82
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.120
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.43

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.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.8%
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.16,965
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,656 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$81,472
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$106,778
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.37 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

306 Thierry Ln 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 more than 94% of homes in Prospect Heights 60070
  • Bigger than 92% of homes in Cook County
  • Has a bigger lot than 81% of homes in Cook County
  • Newer than 92% of homes in Prospect Heights 60070

What homes are worth in Prospect Heights 60070

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

This home
$146K$928K

This home is worth more than 94% of homes in Prospect Heights 60070.

How it measures up in Prospect Heights 60070

The dot is this home. The mark in the middle is the typical home in Prospect Heights 60070.

Estimated value$794,460
CheaperTypical $366,937Pricier

Pricier than 94% of homes nearby

Price per ft²$242
CheaperTypical $241Pricier

Pricier than 51% of homes nearby

Living area3,284 ft²
SmallerTypical 1,558 ft²Bigger

Bigger than 89% of homes nearby

Lot size0.46 ac
SmallerTypical 0.95 acBigger

Bigger than 25% of homes nearby

Year built1989
OlderTypical 1970Newer

Newer than 92% of homes nearby

How 306 Thierry Ln ranks against every home in each area.
MeasureThis homeProspect Heights 60070Cook County
Estimated valuepricier than$794,46094% of homes91% of homes
Price per ft²pricier than$24251% of homes47% of homes
Living areabigger than3,284 ft²89% of homes92% of homes
Lot sizebigger than0.46 ac25% of homes81% of homes
Year builtnewer than198992% of homes83% of homes

About 306 Thierry Ln

How much is 306 Thierry Ln, Prospect Heights, IL worth?

The TopHap Estimate for 306 Thierry Ln, Prospect Heights, IL is $794,460 as of Aug 30, 2026. The likely range is $753,108 to $835,812. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 306 Thierry Ln, Prospect Heights, IL?

306 Thierry Ln, Prospect Heights, IL has 4 bedrooms, 3 bathrooms, 3,284 square feet of living space and a 0.47-acre lot.

When was 306 Thierry Ln, Prospect Heights, IL built?

306 Thierry Ln, Prospect Heights, IL was built in 1989, making it 37 years old. It is a split level home. The building has 2 stories.

What schools serve 306 Thierry Ln, Prospect Heights, IL?

306 Thierry Ln, Prospect Heights, IL is assigned to Robert Frost Elementary School (elementary), rated C+; Wheeling High School (high), rated B; Oliver W Holmes Middle School (middle), rated C-. All sit in Wheeling Community Consolidated School District 21. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 306 Thierry Ln, Prospect Heights, IL compare to other homes in Prospect Heights 60070?

Among the 5,472 homes in Prospect Heights 60070, it is worth more than 94% of them ($794,460 against a typical $366,937), its price per square foot is higher than 51% of them ($242 against a typical $241), it is bigger than 89% of them (3,284 ft² against a typical 1,558 ft²), its lot is bigger than 25% of them (0.46 ac against a typical 0.95 ac) and it is newer than 92% of them (1989 against a typical 1970). Measured against all of Cook County, it is worth more than 91% 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 306 Thierry Ln, Prospect Heights, IL?

The 2023 property tax bill for 306 Thierry Ln, Prospect Heights, IL was $16,954. The county assessed it at $51,359.

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