Skip to content
Skip to content
TopHapOpen in map
CondominiumResidential

1255 W Prospect Ave

MOUNT PROSPECT, IL 60056
1.5 ac
Lot SizeThe size of the land the home sits on, from county records.
1978
Year BuiltThe year the home was originally built, according to county records.
Built 19783 floors26 units1,150–1,483 ft²
$6.7M
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.
$258K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$194
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

-26.9%vs the Mount Prospect ZIP median sale $/ft² ($265)

Sales Performance

$254K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
—
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
3
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
11.5%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+4.2%per yeartypical hold 5.6 yrsfrom 26 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
19972001200520122016201920232026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
19972001200520122016201920232026

53 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.
$242K$267K$291K$316K1,150 ft²1,217 ft²1,283 ft²1,350 ft²1,416 ft²1,483 ft²
2 bd
2 bed
26 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 · 1,342 ft²
6 units
2 bd · 0 ba · 1,300 ft²
3 units
2 bd · 0 ba · 1,340 ft²
2 units
2 bd · 0 ba · 1,400 ft²
2 units
One-off layouts
13 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.

$217K–$225K
2 units
$235K–$241K
2 units
$242K–$252K
6 units
$256K–$266K
11 units
$270K–$275K
3 units
$299K–$299K
1 unit
$316K–$316K
1 unit

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
$193/ft²
Floor 2
$194/ft²
Floor 3
$212/ft²
Unit lines by $/ft²Condo units stacked vertically share a unit line — the last digits of the unit number (like 05 in 1205, 1305, 1405). Lines share a layout and exposure, so comparing estimated $/ft² by line shows which position in the building commands a premium.
Line ·02
$209/ft²
Line ·08
$200/ft²
Line ·03
$191/ft²
Line ·06
$189/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.73%
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.8.4 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.22%
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.$259,032
Median tax billThe middle annual property tax bill among the building's units.$3,428
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 302Aug 25, 2026$315,000Unit 109Jun 9, 2026$254,000Unit 208Dec 26, 2025$250,000Unit 107Sep 20, 2024$217,500Unit 204Sep 19, 2024$245,000Unit 105Aug 13, 2024$205,500Unit 209Apr 7, 2023$175,000Unit 104Sep 1, 2022$195,000Unit 302Feb 9, 2022$183,000Unit 306Oct 4, 2021$180,000

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.35
1
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.
66
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.

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
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
Westbrook Early Learning Center
Elementary · Grades PK–1 · 0.4 mi
H
Prospect High SchoolA+
High · Grades 9–12 · 0.6 mi
M
Lincoln Middle SchoolA-
Middle · Grades 6–8 · 0.8 mi

District: Mount Prospect School District 57

Neighborhood · ZIP 60056These 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.59
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.124
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.7%
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.56,070
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,043 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$99,966
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$121,404
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.

1255 W Prospect Ave # Un309
2 bd · 1,342 ft²
$269K
1255 W Prospect Ave Apt 101
2 bd · 1,342 ft²
$261K
1255 W Prospect Ave # 102
2 bd · 1,340 ft²
$259K
1255 W Prospect Ave Apt 103
2 bd · 1,300 ft²
$261K
1255 W Prospect Ave # 104
2 bd
$266K
1255 W Prospect Ave # 105
2 bd
$225K
1255 W Prospect Ave # 106
2 bd · 1,400 ft²
$260K
1255 W Prospect Ave # 107
2 bd
$241K
1255 W Prospect Ave # 108
2 bd · 1,340 ft²
$257K
1255 W Prospect Ave # 109
2 bd · 1,342 ft²
$257K
1255 W Prospect Ave # 201
2 bd
$248K
1255 W Prospect Ave # 202
2 bd · 1,300 ft²
$256K
1255 W Prospect Ave # 203
2 bd · 1,300 ft²
$242K
1255 W Prospect Ave # 204
2 bd · 1,282 ft²
$266K
1255 W Prospect Ave # 205
2 bd
$251K
1255 W Prospect Ave # 206
2 bd · 2 ba · 1,342 ft²
$275K
1255 W Prospect Ave Apt 207
2 bd · 1,342 ft²
$245K
1255 W Prospect Ave Apt 208
2 bd · 1,400 ft²
$258K
1255 W Prospect Ave # 209
2 bd
$235K
1255 W Prospect Ave # 301
2 bd · 1,250 ft²
$273K
1255 W Prospect Ave # 302
2 bd · 1,342 ft²
$316K
1255 W Prospect Ave # 303
2 bd · 1,342 ft²
$247K
1255 W Prospect Ave # 304
2 bd
$252K
1255 W Prospect Ave # 305
2 bd
$217K
1255 W Prospect Ave # 306
2 bd · 1,483 ft²
$262K
1255 W Prospect Ave # 307
2 bd · 1,150 ft²
$270K
1255 W Prospect Ave # 308
2 bd · 1,342 ft²
$299K

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

About 1255 W Prospect Ave

How many units are in 1255 W Prospect Ave, Mount Prospect, IL?

1255 W Prospect Ave, Mount Prospect, IL has 26 residential units across 3 floors, built in 1978, according to county assessor records.

What is a unit at 1255 W Prospect Ave, Mount Prospect, IL worth?

The median TopHap Estimate across the 26 units at 1255 W Prospect Ave, Mount Prospect, IL is $257,583. That works out to $194 per square foot. Units run from 1,150 to 1,483 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 1255 W Prospect Ave, Mount Prospect, IL expensive for Mount Prospect?

Units at 1255 W Prospect Ave, Mount Prospect, IL carry a median of $194 per square foot, 27% below the Mount Prospect median of $265 per square foot.

How often do units sell at 1255 W Prospect Ave, Mount Prospect, IL?

3 units at 1255 W Prospect Ave, Mount Prospect, IL sold in the last 12 months, out of 53 recorded arms-length sales all time. That is a turnover rate of 11.5% of the building per year. The median sale over that period was $254K.

Have units at 1255 W Prospect Ave, Mount Prospect, IL appreciated?

Across 26 repeat sales of the same unit, 1255 W Prospect Ave, Mount Prospect, IL returned a median 4.2% 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 5.6 years.

What floor plans does 1255 W Prospect Ave, Mount Prospect, IL have?

The most common plan at 1255 W Prospect Ave, Mount Prospect, IL is a 2-bedroom of 1,342 square feet, repeated 6 times, with a median estimate of $258,872. TopHap identifies 4 recurring plans in the building.

More homes on W Prospect Ave

Closest homes

More homes in Mount Prospect 60056

Assigned schools

Explore the area

See this home in context

Open 1255 W Prospect 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