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Single Family ResidenceResidential
$461,665$305 / 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 89How 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 $428,500 on Feb 6, 2017

309 E BERKSHIRE LN

MOUNT PROSPECT, IL 60056
4
Beds
2.5
Baths
1,515 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.
0.31 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$462K
$410K low$513K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$428,500 · Feb 6, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,120 (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.$46,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$15,960
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$30,040
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$36,055
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$460,000

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.54
99
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.
62
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
63
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.139 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.0.2 percent flood zone

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.Bungalow
CountyCOOK
Lot (acres)The size of the land the home sits on, from county records.0.30
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.Asphalt
HeatingThe type of heating system in the home.Yes
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Lincoln Middle SchoolA-
Middle · Grades 6–8 · 0.9 mi
E
Westbrook Early Learning Center
Elementary · Grades PK–1 · 1.6 mi
H
Prospect High SchoolA+
High · Grades 9–12 · 2.0 mi

District: Mount Prospect School District 57

Neighborhood · ZIP 60056These 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.59
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.124
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.7%
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.56,070
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,043 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$99,966
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$121,404
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

309 E Berkshire 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 72% of homes in Cook County
  • Costs more per square foot than 70% of homes in Cook County
  • Has a bigger lot than 75% of homes in Cook County
  • Older than 77% of homes in Mount Prospect 60056

What homes are worth in Mount Prospect 60056

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

This home
$160K$838K

This home is worth more than 59% of homes in Mount Prospect 60056.

How it measures up in Mount Prospect 60056

The dot is this home. The mark in the middle is the typical home in Mount Prospect 60056.

Estimated value$461,665
CheaperTypical $434,097Pricier

Pricier than 59% of homes nearby

Price per ft²$305
CheaperTypical $287Pricier

Pricier than 61% of homes nearby

Living area1,515 ft²
SmallerTypical 1,488 ft²Bigger

Bigger than 52% of homes nearby

Lot size0.31 ac
SmallerTypical 0.22 acBigger

Bigger than 72% of homes nearby

Year built1956
OlderTypical 1965Newer

Newer than 23% of homes nearby

How 309 E Berkshire Ln ranks against every home in each area.
MeasureThis homeMount Prospect 60056Cook County
Estimated valuepricier than$461,66559% of homes72% of homes
Price per ft²pricier than$30561% of homes70% of homes
Living areabigger than1,515 ft²52% of homes53% of homes
Lot sizebigger than0.31 ac72% of homes75% of homes
Year builtnewer than195623% of homes46% of homes

About 309 E Berkshire Ln

How much is 309 E Berkshire Ln, Mount Prospect, IL worth?

The TopHap Estimate for 309 E Berkshire Ln, Mount Prospect, IL is $461,665 as of Sep 24, 2026. The likely range is $410,084 to $513,246. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 E Berkshire Ln, Mount Prospect, IL last sell?

309 E Berkshire Ln, Mount Prospect, IL last sold on Feb 6, 2017 for $428,500, according to the county's recorded deed.

How big is 309 E Berkshire Ln, Mount Prospect, IL?

309 E Berkshire Ln, Mount Prospect, IL has 4 bedrooms, 2.5 bathrooms, 1,515 square feet of living space and a 0.30-acre lot.

When was 309 E Berkshire Ln, Mount Prospect, IL built?

309 E Berkshire Ln, Mount Prospect, IL was built in 1956, making it 70 years old. It is a bungalow home. The building has 1 story.

What schools serve 309 E Berkshire Ln, Mount Prospect, IL?

309 E Berkshire Ln, Mount Prospect, IL is assigned to Lincoln Middle School (middle), rated A-; Westbrook Early Learning Center (elementary); Prospect High School (high), rated A+. All sit in Mount Prospect School District 57. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 309 E Berkshire Ln, Mount Prospect, IL compare to other homes in Mount Prospect 60056?

Among the 17,989 homes in Mount Prospect 60056, it is worth more than 59% of them ($461,665 against a typical $434,097), its price per square foot is higher than 61% of them ($305 against a typical $287), it is bigger than 52% of them (1,515 ft² against a typical 1,488 ft²), its lot is bigger than 72% of them (0.31 ac against a typical 0.22 ac) and it is newer than 23% of them (1956 against a typical 1965). Measured against all of Cook County, it is worth more than 72% 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 309 E Berkshire Ln, Mount Prospect, IL?

The 2023 property tax bill for 309 E Berkshire Ln, Mount Prospect, IL was $9,120. The county assessed it at $46,000.

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