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Single Family ResidenceResidential
$433,538$271 / 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 97How 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 $223,500 on Dec 11, 2014

12 PORTSIDE CT

THIRD LAKE, IL 60030
4
Beds
3
Baths
1,600 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.
0.21 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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$434K
$419K low$448K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$223,500 · Dec 11, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,700 (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.$101,415 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$28,499
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$72,916
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$91,571
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$304,276

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.0.21
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 · 384 ft²

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.

M
Grayslake Middle SchoolC+
Middle · Grades 7–8 · 1.6 mi
H
Grayslake North High SchoolB-
High · Grades 9–12 · 2.3 mi
E
Avon Center SchoolC+
Elementary · Grades KG–4 · 2.6 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

12 Portside 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 65% of homes in Grayslake 60030
  • Costs more per square foot than 82% 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
$190K$722K

This home is worth more than 65% 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$433,538
CheaperTypical $378,997Pricier

Pricier than 65% of homes nearby

Price per ft²$271
CheaperTypical $222Pricier

Pricier than 82% of homes nearby

Living area1,600 ft²
SmallerTypical 1,673 ft²Bigger

Bigger than 45% of homes nearby

Lot size0.21 ac
SmallerTypical 0.2 acBigger

Bigger than 57% of homes nearby

Year built1988
OlderTypical 1992Newer

Newer than 41% of homes nearby

How 12 Portside Ct ranks against every home in each area.
MeasureThis homeGrayslake 60030Lake County
Estimated valuepricier than$433,53865% of homes54% of homes
Price per ft²pricier than$27182% of homes71% of homes
Living areabigger than1,600 ft²45% of homes44% of homes
Lot sizebigger than0.21 ac57% of homes46% of homes
Year builtnewer than198841% of homes60% of homes

About 12 Portside Ct

How much is 12 Portside Ct, Third Lake, IL worth?

The TopHap Estimate for 12 Portside Ct, Third Lake, IL is $433,538 as of Sep 24, 2026. The likely range is $418,650 to $448,426. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12 Portside Ct, Third Lake, IL last sell?

12 Portside Ct, Third Lake, IL last sold on Dec 11, 2014 for $223,500, according to the county's recorded deed.

How big is 12 Portside Ct, Third Lake, IL?

12 Portside Ct, Third Lake, IL has 4 bedrooms, 3 bathrooms, 1,600 square feet of living space and a 0.21-acre lot.

When was 12 Portside Ct, Third Lake, IL built?

12 Portside 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 12 Portside Ct, Third Lake, IL?

12 Portside 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 12 Portside Ct, Third Lake, IL compare to other homes in Grayslake 60030?

Among the 13,562 homes in Grayslake 60030, it is worth more than 65% of them ($433,538 against a typical $378,997), its price per square foot is higher than 82% of them ($271 against a typical $222), it is bigger than 45% of them (1,600 ft² against a typical 1,673 ft²), its lot is bigger than 57% of them (0.21 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 54% 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 12 Portside Ct, Third Lake, IL?

The 2024 property tax bill for 12 Portside Ct, Third Lake, IL was $8,700. The county assessed it at $101,415.

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