Skip to content
Skip to content
TopHapOpen in map
Single Family ResidentialResidential
$115,455$99 / 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 93How 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

521 S PORTLAND PL

CLINTON, IL 61727
3
Beds
1.5
Baths
1,170 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.
1955
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$115K
$108K low$123K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,025 (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.$32,442 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,508
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$29,934
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$29,736
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$97,336

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.95 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.1 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 Residential
CountyDE WITT
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)
CoolingThe type of cooling or air conditioning in the home.Yes
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.Deck · 96 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.

E
Douglas Elementary School
Elementary · Grades PK–1 · 0.5 mi
M
Clinton Jr High SchoolC+
Middle · Grades 6–8 · 1.7 mi
H
Clinton High SchoolD-
High · Grades 9–12 · 1.7 mi

District: Clinton Community Unit School District 15

Neighborhood · ZIP 61727These 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.121
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.41

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
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.1.2%
PopulationHow many people live in this area.9,087
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.64 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$59,499
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$81,014
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.39 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

521 S Portland Pl 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.

What homes are worth in Clinton 61727

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

This home
$40K$555K

This home is worth more than 41% of homes in Clinton 61727.

How it measures up in Clinton 61727

The dot is this home. The mark in the middle is the typical home in Clinton 61727.

Estimated value$115,455
CheaperTypical $134,348Pricier

Pricier than 41% of homes nearby

Price per ft²$99
CheaperTypical $107Pricier

Pricier than 42% of homes nearby

Living area1,170 ft²
SmallerTypical 1,280 ft²Bigger

Bigger than 41% of homes nearby

Lot size0.21 ac
SmallerTypical 0.22 acBigger

Bigger than 47% of homes nearby

Year built1955
OlderTypical 1955Newer

Newer than 51% of homes nearby

How 521 S Portland Pl ranks against every home in each area.
MeasureThis homeClinton 61727De Witt County
Estimated valuepricier than$115,45541% of homes38% of homes
Price per ft²pricier than$9942% of homes41% of homes
Living areabigger than1,170 ft²41% of homes39% of homes
Lot sizebigger than0.21 ac47% of homes36% of homes
Year builtnewer than195551% of homes50% of homes

About 521 S Portland Pl

How much is 521 S Portland Pl, Clinton, IL worth?

The TopHap Estimate for 521 S Portland Pl, Clinton, IL is $115,455 as of Aug 30, 2026. The likely range is $107,869 to $123,041. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 S Portland Pl, Clinton, IL last sell?

521 S Portland Pl, Clinton, IL last sold on Aug 20, 2018, according to the county's recorded deed.

How big is 521 S Portland Pl, Clinton, IL?

521 S Portland Pl, Clinton, IL has 3 bedrooms, 1.5 bathrooms, 1,170 square feet of living space and a 0.21-acre lot.

When was 521 S Portland Pl, Clinton, IL built?

521 S Portland Pl, Clinton, IL was built in 1955, making it 71 years old. The building has 1 story.

What schools serve 521 S Portland Pl, Clinton, IL?

521 S Portland Pl, Clinton, IL is assigned to Douglas Elementary School (elementary); Clinton Jr High School (middle), rated C+; Clinton High School (high), rated D-. All sit in Clinton Community Unit School District 15. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 S Portland Pl, Clinton, IL compare to other homes in Clinton 61727?

Among the 3,674 homes in Clinton 61727, it is worth more than 41% of them ($115,455 against a typical $134,348), its price per square foot is higher than 42% of them ($99 against a typical $107), it is bigger than 41% of them (1,170 ft² against a typical 1,280 ft²), its lot is bigger than 47% of them (0.21 ac against a typical 0.22 ac) and it is newer than 51% of them (1955 against a typical 1955). Measured against all of De Witt County, it is worth more than 38% 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 521 S Portland Pl, Clinton, IL?

The 2025 property tax bill for 521 S Portland Pl, Clinton, IL was $2,025. The county assessed it at $32,442.

More homes on S Portland Pl

Closest homes

More homes in Clinton 61727

Assigned schools

Explore the area

See this home in context

Open 521 S Portland Pl 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