Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$129,117$126 / 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 90How 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 $110,000 on Aug 1, 2024

121 MOUNDS AVE

COLLINSVILLE, IL 62234
4
Beds
1
Baths
1,028 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.
0.44 ac
Lot SizeThe size of the land the home sits on, from county records.
1952
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.

Valuation

$129K
$117K low$142K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$110,000 · Aug 1, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,331 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$53,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$10,470
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$42,730
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$48,050
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$159,600

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.35
1
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.
84
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
70
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
8
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.Conventional
CountyMADISON
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1970
Lot (acres)The size of the land the home sits on, from county records.0.44
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
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
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
John A. Renfro Elementary SchoolB-
Elementary · Grades EE–4 · 0.5 mi
M
Collinsville Middle SchoolC
Middle · Grades 7–8 · 3.1 mi
H
Collinsville High SchoolD
High · Grades 9–12 · 3.5 mi

District: Collinsville Community Unit School District 10

Neighborhood · ZIP 62234These 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.99
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.156

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.33,419
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.884 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,665
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$98,576
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.40 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.59%

Owner Tools

Do you own this home?
Claim this home

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

121 Mounds 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 less than 79% of homes in Collinsville 62234
  • Costs less per square foot than 80% of homes in Collinsville 62234
  • Has a bigger lot than 74% of homes in Madison County
  • Older than 68% of homes in Collinsville 62234

What homes are worth in Collinsville 62234

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

This home
$47K$485K

This home is worth more than 21% of homes in Collinsville 62234.

How it measures up in Collinsville 62234

The dot is this home. The mark in the middle is the typical home in Collinsville 62234.

Estimated value$129,117
CheaperTypical $193,360Pricier

Pricier than 21% of homes nearby

Price per ft²$126
CheaperTypical $164Pricier

Pricier than 20% of homes nearby

Living area1,028 ft²
SmallerTypical 1,120 ft²Bigger

Bigger than 39% of homes nearby

Lot size0.44 ac
SmallerTypical 0.29 acBigger

Bigger than 71% of homes nearby

Year built1952
OlderTypical 1965Newer

Newer than 32% of homes nearby

How 121 Mounds Ave ranks against every home in each area.
MeasureThis homeCollinsville 62234Madison County
Estimated valuepricier than$129,11721% of homes30% of homes
Price per ft²pricier than$12620% of homes31% of homes
Living areabigger than1,028 ft²39% of homes39% of homes
Lot sizebigger than0.44 ac71% of homes74% of homes
Year builtnewer than195232% of homes34% of homes

About 121 Mounds Ave

How much is 121 Mounds Ave, Collinsville, IL worth?

The TopHap Estimate for 121 Mounds Ave, Collinsville, IL is $129,117 as of Sep 24, 2026. The likely range is $116,569 to $141,665. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 Mounds Ave, Collinsville, IL last sell?

121 Mounds Ave, Collinsville, IL last sold on Aug 1, 2024 for $110,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 121 Mounds Ave, Collinsville, IL?

121 Mounds Ave, Collinsville, IL has 4 bedrooms, 1 bathrooms, 1,028 square feet of living space and a 0.44-acre lot.

When was 121 Mounds Ave, Collinsville, IL built?

121 Mounds Ave, Collinsville, IL was built in 1952, making it 74 years old. It is a conventional home. The building has 1 story.

What schools serve 121 Mounds Ave, Collinsville, IL?

121 Mounds Ave, Collinsville, IL is assigned to John A. Renfro Elementary School (elementary), rated B-; Collinsville Middle School (middle), rated C; Collinsville High School (high), rated D. All sit in Collinsville Community Unit School District 10. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 121 Mounds Ave, Collinsville, IL compare to other homes in Collinsville 62234?

Among the 11,850 homes in Collinsville 62234, it is worth more than 21% of them ($129,117 against a typical $193,360), its price per square foot is higher than 20% of them ($126 against a typical $164), it is bigger than 39% of them (1,028 ft² against a typical 1,120 ft²), its lot is bigger than 71% of them (0.44 ac against a typical 0.29 ac) and it is newer than 32% of them (1952 against a typical 1965). Measured against all of Madison County, it is worth more than 30% 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 121 Mounds Ave, Collinsville, IL?

The 2025 property tax bill for 121 Mounds Ave, Collinsville, IL was $3,331. The county assessed it at $53,200.

More homes on Mounds Ave

Closest homes

More homes in Collinsville 62234

Assigned schools

Explore the area

See this home in context

Open 121 Mounds Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map