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15 Piper Ln

PROSPECT HEIGHTS, IL 60070
3.28 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.
Built 19773 floors12 units990–1,200 ft²
$2.4M
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.
$200K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$196
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

-19.6%vs the Prospect Heights ZIP median sale $/ft² ($244)

Sales Performance

—
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.
0
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
0.0%
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.
+7.6%per yeartypical hold 5.7 yrsfrom 23 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
19982001200520082011201620212025
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
19982001200520082011201620212025

35 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.

1 bed
2 units
2 bed
10 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.
2 bd · 0 ba · 1,000 ft²
2 units
2 bd · 0 ba · 1,200 ft²
2 units
One-off layouts
8 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.

$159K–$159K
1 unit
$186K–$186K
1 unit
$190K–$194K
3 units
$200K–$201K
3 units
$208K–$211K
2 units
$216K–$220K
2 units

Value by Floor & LineAverage estimated price per square foot by floor range, using unit numbers to infer floors. Higher floors usually price higher — the gap shows how much the view is worth here.

Floor 1
$178/ft²
Floor 2
$200/ft²
Floor 3
$202/ft²

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.83%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.8%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.5.6 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.25%
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.54%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$189,767
Median tax billThe middle annual property tax bill among the building's units.$3,434
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 102Jul 22, 2025$148,000Unit 303Jul 18, 2024$185,000Unit 301Apr 6, 2022$135,000Unit 204Feb 23, 2022$144,000Unit 202Jul 29, 2021$134,000Unit 101Jan 26, 2021$141,500Unit 302Feb 13, 2020$118,500Unit 303Dec 10, 2019$117,000Unit 204Oct 27, 2017$105,000Unit 202Jun 29, 2016$85,000

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.43
45
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.
62
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
65
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
45
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.10 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
CountyCOOK
Lot (acres)The size of the land the home sits on, from county records.3.28
HeatingThe type of heating system in the home.Baseboard
CoolingThe type of cooling or air conditioning in the home.Wall Unit
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.

M
Oliver W Holmes Middle SchoolC-
Middle · Grades 6–8 · 2.0 mi
E
Mark Twain Elementary SchoolC
Elementary · Grades PK–5 · 2.1 mi
H
Wheeling High SchoolB
High · Grades 9–12 · 2.2 mi

District: Wheeling Community Consolidated School District 21

Neighborhood · ZIP 60070These 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.120
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.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.16,965
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,656 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$81,472
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$106,778
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.

15 Piper Ln Apt 101
2 bd · 1,200 ft²
$211K
15 Piper Ln Apt 102
1 bd · 1,000 ft²
$159K
15 Piper Ln # 103
2 bd
$200K
15 Piper Ln Apt 104
2 bd · 1,000 ft²
$200K
15 Piper Ln # 201
2 bd
$186K
15 Piper Ln Apt 202
2 bd · 1,200 ft²
$220K
15 Piper Ln # 203
2 bd
$190K
15 Piper Ln Apt 204
2 bd · 2 ba · 1,000 ft²
$216K
15 Piper Ln # 301
2 bd · 2 ba
$191K
15 Piper Ln Apt 302
2 bd · 990 ft²
$194K
15 Piper Ln Apt 303
2 bd · 1,000 ft²
$208K
15 Piper Ln # 304
1 bd
$201K

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

About 15 Piper Ln

How many units are in 15 Piper Ln, Prospect Heights, IL?

15 Piper Ln, Prospect Heights, IL has 12 residential units across 3 floors, built in 1977, according to county assessor records.

What is a unit at 15 Piper Ln, Prospect Heights, IL worth?

The median TopHap Estimate across the 12 units at 15 Piper Ln, Prospect Heights, IL is $199,911. That works out to $196 per square foot. Units run from 990 to 1,200 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 15 Piper Ln, Prospect Heights, IL expensive for Prospect Heights?

Units at 15 Piper Ln, Prospect Heights, IL carry a median of $196 per square foot, 20% below the Prospect Heights median of $244 per square foot.

How often do units sell at 15 Piper Ln, Prospect Heights, IL?

0 units at 15 Piper Ln, Prospect Heights, IL sold in the last 12 months, out of 35 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.

Have units at 15 Piper Ln, Prospect Heights, IL appreciated?

Across 23 repeat sales of the same unit, 15 Piper Ln, Prospect Heights, IL returned a median 7.6% 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 5.7 years.

What floor plans does 15 Piper Ln, Prospect Heights, IL have?

The most common plan at 15 Piper Ln, Prospect Heights, IL is a 2-bedroom of 1,000 square feet, repeated 2 times, with a median estimate of $204,042. TopHap identifies 2 recurring plans in the building.

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