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Single Family ResidenceResidential
$342,172$302 / 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 Aug 30, 2026
Last sold for $340,000 on Jun 10, 2026

10817 MASON AVE

CHICAGO RIDGE, IL 60415
3
Beds
1
Baths
1,133 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.
0.25 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

$342K
$327K low$357K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$340,000 · Jun 10, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,385 (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.$21,549 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,435
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$15,114
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$23,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$215,490

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.37
1
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.
72
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
71
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
40
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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.0.25
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

E
Ridge Central Elementary SchoolB-
Elementary · Grades PK–5 · 0.2 mi
M
Elden D Finley Jr High SchoolB-
Middle · Grades 6–8 · 0.3 mi
H
Harold L. Richards High SchoolD+
High · Grades 9–12 · 0.5 mi

District: Chicago Ridge School District 127-5

Neighborhood · ZIP 60415These 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.109
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.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
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.13,091
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,117 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$68,880
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$75,074
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.38 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

10817 Mason Ave 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 93% of homes in Chicago Ridge 60415
  • Costs more per square foot than 97% of homes in Chicago Ridge 60415
  • Smaller than 74% of homes in Cook County
  • Has a bigger lot than 71% of homes in Cook County
  • Older than 78% of homes in Chicago Ridge 60415

What homes are worth in Chicago Ridge 60415

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

This home
$111K$400K

This home is worth more than 93% of homes in Chicago Ridge 60415.

How it measures up in Chicago Ridge 60415

The dot is this home. The mark in the middle is the typical home in Chicago Ridge 60415.

Estimated value$342,172
CheaperTypical $231,337Pricier

Pricier than 93% of homes nearby

Price per ft²$302
CheaperTypical $183Pricier

Pricier than 97% of homes nearby

Living area1,133 ft²
SmallerTypical 1,137 ft²Bigger

Bigger than 49% of homes nearby

Lot size0.25 ac
SmallerTypical 0.21 acBigger

Bigger than 58% of homes nearby

Year built1956
OlderTypical 1971Newer

Newer than 22% of homes nearby

How 10817 Mason Ave ranks against every home in each area.
MeasureThis homeChicago Ridge 60415Cook County
Estimated valuepricier than$342,17293% of homes51% of homes
Price per ft²pricier than$30297% of homes70% of homes
Living areabigger than1,133 ft²49% of homes26% of homes
Lot sizebigger than0.25 ac58% of homes71% of homes
Year builtnewer than195622% of homes46% of homes

About 10817 Mason Ave

How much is 10817 Mason Ave, Chicago Ridge, IL worth?

The TopHap Estimate for 10817 Mason Ave, Chicago Ridge, IL is $342,172 as of Aug 30, 2026. The likely range is $327,086 to $357,258. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10817 Mason Ave, Chicago Ridge, IL last sell?

10817 Mason Ave, Chicago Ridge, IL last sold on Jun 10, 2026 for $340,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 10817 Mason Ave, Chicago Ridge, IL?

10817 Mason Ave, Chicago Ridge, IL has 3 bedrooms, 1 bathrooms, 1,133 square feet of living space and a 0.25-acre lot.

When was 10817 Mason Ave, Chicago Ridge, IL built?

10817 Mason Ave, Chicago Ridge, IL was built in 1956, making it 70 years old. It is a bungalow home. The building has 1 story.

What schools serve 10817 Mason Ave, Chicago Ridge, IL?

10817 Mason Ave, Chicago Ridge, IL is assigned to Ridge Central Elementary School (elementary), rated B-; Elden D Finley Jr High School (middle), rated B-; Harold L. Richards High School (high), rated D+. All sit in Chicago Ridge School District 127-5. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 10817 Mason Ave, Chicago Ridge, IL compare to other homes in Chicago Ridge 60415?

Among the 4,115 homes in Chicago Ridge 60415, it is worth more than 93% of them ($342,172 against a typical $231,337), its price per square foot is higher than 97% of them ($302 against a typical $183), it is bigger than 49% of them (1,133 ft² against a typical 1,137 ft²), its lot is bigger than 58% of them (0.25 ac against a typical 0.21 ac) and it is newer than 22% of them (1956 against a typical 1971). Measured against all of Cook County, it is worth more than 51% 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 10817 Mason Ave, Chicago Ridge, IL?

The 2023 property tax bill for 10817 Mason Ave, Chicago Ridge, IL was $6,385. The county assessed it at $21,549.

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