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Single Family ResidenceResidential
$488,749$223 / 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 Sep 24, 2026
Last sold for $284,500 on Aug 19, 2008

3 MAINSAIL CT

THIRD LAKE, IL 60030
4
Beds
2.5
Baths
2,188 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1988
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$489K
$469K low$508K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$284,500 · Aug 19, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,956 (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.$114,769 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$30,691
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$84,078
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$103,629
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$344,341

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.17 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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyLAKE
Lot (acres)The size of the land the home sits on, from county records.0.24
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 With Air Conditioning
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.DeckPatio · 192 ft²Porch · 40 ft²

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
Grayslake Middle SchoolC+
Middle · Grades 7–8 · 1.6 mi
H
Grayslake North High SchoolB-
High · Grades 9–12 · 2.4 mi
E
Avon Center SchoolC+
Elementary · Grades KG–4 · 2.7 mi

District: Grayslake Consolidated Community School District 46

Neighborhood · ZIP 60030These 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.81
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.42

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.41,684
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,568 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$106,167
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$130,229
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

3 Mainsail Ct 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 78% of homes in Grayslake 60030
  • Bigger than 74% of homes in Grayslake 60030
  • Has a bigger lot than 69% of homes in Grayslake 60030

What homes are worth in Grayslake 60030

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

This home
$176K$729K

This home is worth more than 78% of homes in Grayslake 60030.

How it measures up in Grayslake 60030

The dot is this home. The mark in the middle is the typical home in Grayslake 60030.

Estimated value$488,749
CheaperTypical $377,975Pricier

Pricier than 78% of homes nearby

Price per ft²$223
CheaperTypical $222Pricier

Pricier than 51% of homes nearby

Living area2,188 ft²
SmallerTypical 1,679 ft²Bigger

Bigger than 74% of homes nearby

Lot size0.24 ac
SmallerTypical 0.2 acBigger

Bigger than 69% of homes nearby

Year built1988
OlderTypical 1992Newer

Newer than 41% of homes nearby

How 3 Mainsail Ct ranks against every home in each area.
MeasureThis homeGrayslake 60030Lake County
Estimated valuepricier than$488,74978% of homes62% of homes
Price per ft²pricier than$22351% of homes46% of homes
Living areabigger than2,188 ft²74% of homes64% of homes
Lot sizebigger than0.24 ac69% of homes56% of homes
Year builtnewer than198841% of homes60% of homes

About 3 Mainsail Ct

How much is 3 Mainsail Ct, Third Lake, IL worth?

The TopHap Estimate for 3 Mainsail Ct, Third Lake, IL is $488,749 as of Sep 24, 2026. The likely range is $469,499 to $507,998. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3 Mainsail Ct, Third Lake, IL last sell?

3 Mainsail Ct, Third Lake, IL last sold on Aug 19, 2008 for $284,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3 Mainsail Ct, Third Lake, IL?

3 Mainsail Ct, Third Lake, IL has 4 bedrooms, 2.5 bathrooms, 2,188 square feet of living space and a 0.24-acre lot.

When was 3 Mainsail Ct, Third Lake, IL built?

3 Mainsail Ct, Third Lake, IL was built in 1988, making it 38 years old. It is a conventional home. The building has 2 stories.

What schools serve 3 Mainsail Ct, Third Lake, IL?

3 Mainsail Ct, Third Lake, IL is assigned to Grayslake Middle School (middle), rated C+; Grayslake North High School (high), rated B-; Avon Center School (elementary), 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 3 Mainsail Ct, Third Lake, IL compare to other homes in Grayslake 60030?

Among the 13,547 homes in Grayslake 60030, it is worth more than 78% of them ($488,749 against a typical $377,975), its price per square foot is higher than 51% of them ($223 against a typical $222), it is bigger than 74% of them (2,188 ft² against a typical 1,679 ft²), its lot is bigger than 69% of them (0.24 ac against a typical 0.2 ac) and it is newer than 41% of them (1988 against a typical 1992). Measured against all of Lake County, it is worth more than 62% 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 3 Mainsail Ct, Third Lake, IL?

The 2024 property tax bill for 3 Mainsail Ct, Third Lake, IL was $9,956. The county assessed it at $114,769.

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