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CondominiumResidential

800 Madison St

LOCKPORT, IL 60441
0.55 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
Built 200212 units944–2,076 ft²
$3.2M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$263K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$222
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+9.3%vs the Lockport ZIP median sale $/ft² ($203)

Sales Performance

$245K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
—
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
1
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
8.3%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+5.4%per yeartypical hold 6.7 yrsfrom 9 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
20042006200720132017202120222025
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
20042006200720132017202120222025

17 arms-length sales on record for this building.

Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.

Every unit: size vs estimated valueEvery unit in the building as one dot: across is its size, up is our current value estimate, and color is its bedroom count. Vertical columns of dots are recurring floor plans; the height spread within a column shows how much floor, view and condition move prices for the same layout.
$239K$255K$271K$288K944 ft²1,170 ft²1,397 ft²1,623 ft²1,850 ft²2,076 ft²
Studio2 bd
Studio
7 units
2 bed
5 units
Recurring floor plansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
Studio · 1.5 ba · 944 ft²
2 units
One-off layouts
10 units

Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.

$239K–$239K
1 unit
$254K–$254K
1 unit
$257K–$260K
4 units
$266K–$267K
2 units
$276K–$279K
2 units
$286K–$288K
2 units

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.58%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.17%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.14.6 yrs
Cash purchases (5 yrs)The share of purchases in the last 5 years with no mortgage recorded. High cash share is common in second-home and investor buildings.0%
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.49%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$253,170
Median tax billThe middle annual property tax bill among the building's units.$6,385
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.0

Recent SalesThe latest recorded arms-length sales in the building, newest first.

Unit 2CNov 18, 2025$245,000Unit 2EJul 16, 2024$234,900Unit 2EApr 29, 2022$185,000Unit 2CFeb 23, 2022$185,000Unit 1BJul 20, 2021$185,000Unit 2BApr 26, 2021$159,000Unit 2FMar 8, 2021$158,000Unit 1AJul 30, 2019$162,000Unit 2EAug 29, 2017$145,000Unit 2EAug 28, 2015$124,900

Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.

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.45
41
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
5
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
71
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
72
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.9 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyWILL
Lot (acres)The size of the land the home sits on, from county records.0.55
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, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Milne Grove Elementary SchoolA+
Elementary · Grades KG–3 · 0.1 mi
M
Kelvin Grove Middle SchoolA
Middle · Grades 4–8 · 0.5 mi
H
Lockport Township High SchoolA+
High · Grades 9–12 · 1.1 mi

District: Lockport School District 91

Neighborhood · ZIP 60441These 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.96
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.50

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.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.5%
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.35,427
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,391 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$100,510
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$113,100
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.37 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.

800 Madison St # 1a
2 bd · 1.5 ba · 2,076 ft²
$286K
800 Madison St # 1b
1.5 ba · 944 ft²
$288K
800 Madison St # 1c
1.5 ba · 1,080 ft²
$258K
800 Madison St # 1d
1.5 ba · 944 ft²
$267K
800 Madison St # 1e
2 bd · 1.5 ba · 1,902 ft²
$276K
800 Madison St # 1f
1.5 ba · 1,074 ft²
$257K
800 Madison St # 2a
1.5 ba · 1,237 ft²
$279K
800 Madison St # 2b
2 bd · 1.5 ba · 1,209 ft²
$239K
800 Madison St # 2c
1.5 ba · 1,174 ft²
$254K
800 Madison St # 2d
1.5 ba · 1,151 ft²
$260K
800 Madison St # 2e
2 bd · 1.5 ba · 1,203 ft²
$260K
800 Madison St # 2f
2 bd · 1.5 ba · 1,222 ft²
$266K

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

About 800 Madison St

How many units are in 800 Madison St, Lockport, IL?

800 Madison St, Lockport, IL has 12 residential units across built in 2002, according to county assessor records.

What is a unit at 800 Madison St, Lockport, IL worth?

The median TopHap Estimate across the 12 units at 800 Madison St, Lockport, IL is $263,185. That works out to $222 per square foot. Units run from 944 to 2,076 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 800 Madison St, Lockport, IL expensive for Lockport?

Units at 800 Madison St, Lockport, IL carry a median of $222 per square foot, 9% above the Lockport median of $203 per square foot.

How often do units sell at 800 Madison St, Lockport, IL?

1 units at 800 Madison St, Lockport, IL sold in the last 12 months, out of 17 recorded arms-length sales all time. That is a turnover rate of 8.3% of the building per year. The median sale over that period was $245K.

Have units at 800 Madison St, Lockport, IL appreciated?

Across 9 repeat sales of the same unit, 800 Madison St, Lockport, IL returned a median 5.4% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 6.7 years.

What floor plans does 800 Madison St, Lockport, IL have?

The most common plan at 800 Madison St, Lockport, IL is a 0-bedroom of 944 square feet, repeated 2 times, with a median estimate of $277,366. TopHap identifies 1 recurring plans in the building.

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