Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$158,396$203 / 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 88How 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

511 W MILL ST

WATERLOO, IL 62298
2
Beds
3
Baths
780 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.
3,410 ft²
Lot SizeThe size of the land the home sits on, from county records.
1890
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$158K
$140K low$177K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,617 (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.$59,280 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$15,420
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$43,860
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$57,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$177,840

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.36
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
15
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
88
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.
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
CountyMONROE
Lot (acres)The size of the land the home sits on, from county records.0.08
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
HeatingThe type of heating system in the home.Central
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 136 ft²Patio · 136 ft²Porch · 76 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
Waterloo Junior High SchoolB+
Middle · Grades 6–8 · 0.5 mi
E
W. J. Zahnow Elementary School
Elementary · Grades PK–1 · 0.7 mi
H
Waterloo High SchoolB-
High · Grades 9–12 · 1.5 mi

District: Waterloo Community Unit School District 5

Neighborhood · ZIP 62298These 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.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.169

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.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.18,127
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.124 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$101,202
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$118,724
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.41 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

511 W Mill St 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 95% of homes in Waterloo 62298
  • Smaller than 97% of homes in Monroe County
  • Among the smallest lots in Waterloo 62298
  • Older than 95% of homes in Waterloo 62298

What homes are worth in Waterloo 62298

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

This home
$128K$684K

This home is worth more than 5% of homes in Waterloo 62298.

How it measures up in Waterloo 62298

The dot is this home. The mark in the middle is the typical home in Waterloo 62298.

Estimated value$158,396
CheaperTypical $330,621Pricier

Pricier than 5% of homes nearby

Price per ft²$203
CheaperTypical $217Pricier

Pricier than 37% of homes nearby

Living area780 ft²
SmallerTypical 1,500 ft²Bigger

Bigger than 4% of homes nearby

Lot size3,410 ft²
SmallerTypical 0.42 acBigger

Smaller than almost all homes nearby

Year built1890
OlderTypical 1990Newer

Newer than 5% of homes nearby

How 511 W Mill St ranks against every home in each area.
MeasureThis homeWaterloo 62298Monroe County
Estimated valuepricier than$158,3965% of homes5% of homes
Price per ft²pricier than$20337% of homes36% of homes
Living areabigger than780 ft²4% of homes3% of homes
Lot sizebigger than3,410 ft²almost no homesalmost no homes
Year builtnewer than18905% of homes5% of homes

About 511 W Mill St

How much is 511 W Mill St, Waterloo, IL worth?

The TopHap Estimate for 511 W Mill St, Waterloo, IL is $158,396 as of Sep 24, 2026. The likely range is $140,154 to $176,638. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 511 W Mill St, Waterloo, IL last sell?

511 W Mill St, Waterloo, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 511 W Mill St, Waterloo, IL?

511 W Mill St, Waterloo, IL has 2 bedrooms, 3 bathrooms, 780 square feet of living space and a 0.08-acre lot.

When was 511 W Mill St, Waterloo, IL built?

511 W Mill St, Waterloo, IL was built in 1890, making it 136 years old. The building has 1 story.

What schools serve 511 W Mill St, Waterloo, IL?

511 W Mill St, Waterloo, IL is assigned to Waterloo Junior High School (middle), rated B+; W. J. Zahnow Elementary School (elementary); Waterloo High School (high), rated B-. All sit in Waterloo Community Unit School District 5. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 511 W Mill St, Waterloo, IL compare to other homes in Waterloo 62298?

Among the 7,136 homes in Waterloo 62298, it is worth more than 5% of them ($158,396 against a typical $330,621), its price per square foot is higher than 37% of them ($203 against a typical $217), it is bigger than 4% of them (780 ft² against a typical 1,500 ft²), its lot is bigger than almost none of them (3,410 ft² against a typical 0.42 ac) and it is newer than 5% of them (1890 against a typical 1990). Measured against all of Monroe County, it is worth more than 5% 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 511 W Mill St, Waterloo, IL?

The 2025 property tax bill for 511 W Mill St, Waterloo, IL was $3,617. The county assessed it at $59,280.

More homes on W Mill St

Closest homes

More homes in Waterloo 62298

Assigned schools

Explore the area

See this home in context

Open 511 W Mill St 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