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CondominiumResidential

308 Happ Rd

NORTHFIELD, IL 60093
0.64 ac
Lot SizeThe size of the land the home sits on, from county records.
1992
Year BuiltThe year the home was originally built, according to county records.
Built 19924 floors33 units719–2,945 ft²
$15M
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.
$436K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$269
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

-50.8%vs the Winnetka ZIP median sale $/ft² ($547)

Sales Performance

$379K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
+6.0%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
3
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
9.1%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+1.8%per yeartypical hold 10.3 yrsfrom 30 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
19972001200520092012201720222026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
19972001200520092012201720222026

61 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.
$222K$366K$510K$655K719 ft²1,164 ft²1,609 ft²2,055 ft²2,500 ft²2,945 ft²
1 bd2 bd3 bd
1 bed
4 units
2 bed
22 units
3 bed
7 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 · 1,680 ft²
3 units
2 bd · 0 ba · 1,897 ft²
3 units
2 bd · 0 ba · 1,593 ft²
2 units
2 bd · 0 ba · 1,661 ft²
2 units
2 bd · 0 ba · 1,767 ft²
2 units
3 bd · 0 ba · 1,853 ft²
2 units
One-off layouts
19 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.

$222K–$268K
4 units
$392K–$436K
13 units
$450K–$486K
9 units
$495K–$538K
5 units
$599K–$599K
1 unit
$655K–$655K
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
$273/ft²
Floor 2
$280/ft²
Floor 3
$261/ft²
Floor 4
$254/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 ·04
$322/ft²
Line ·10
$282/ft²
Line ·09
$278/ft²
Line ·02
$271/ft²
Line ·01
$254/ft²
Line ·07
$253/ft²
Line ·05
$253/ft²
Line ·06
$250/ft²
Line ·08
$245/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.55%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.24%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.8.6 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.44%
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.25%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$430,505
Median tax billThe middle annual property tax bill among the building's units.$4,688
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 304Aug 5, 2026$230,000Unit 108May 19, 2026$378,500Unit 201Apr 24, 2026$381,500Unit 106May 19, 2025$495,000Unit 204Apr 15, 2025$219,000Unit 309Sep 20, 2024$407,500Unit 307May 3, 2024$360,000Unit 408May 3, 2024$325,000Unit 110Jan 2, 2024$420,000Unit 310Sep 13, 2023$395,000

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.33
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.
61
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.
40
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
Lot (acres)The size of the land the home sits on, from county records.0.64
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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.

M
Marie Murphy SchoolA+
Middle · Grades 6–8 · 1.5 mi
E
Avoca West Elementary SchoolA+
Elementary · Grades KG–5 · 1.6 mi
H
New Trier Township High School - WinnetkaA+
High · Grades 10–12 · 2.6 mi

District: New Trier Township High School District 203

Neighborhood · ZIP 60093These 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.53
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.117
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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.19,121
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,952 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$236,385
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$357,267
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.

308 Happ Rd # 101
2 bd · 1,543 ft²
$427K
308 Happ Rd # 102
2 bd · 2 ba · 1,519 ft²
$423K
308 Happ Rd # 104
1 bd · 719 ft²
$222K
308 Happ Rd # 106
3 bd · 2,796 ft²
$599K
308 Happ Rd # 107
2 bd · 1,593 ft²
$433K
308 Happ Rd # 108
2 bd · 1,593 ft²
$400K
308 Happ Rd Apt 109
2 bd · 1,680 ft²
$458K
308 Happ Rd # 110
2 bd · 1,680 ft²
$525K
308 Happ Rd Apt 201
2 bd · 2 ba · 1,643 ft²
$408K
308 Happ Rd Apt 202
2 bd · 1,605 ft²
$436K
308 Happ Rd # 204
1 bd · 725 ft²
$268K
308 Happ Rd # 205
2 bd · 1,649 ft²
$423K
308 Happ Rd # 206
2 bd · 1,661 ft²
$428K
308 Happ Rd # 207
2 bd · 2 ba · 1,767 ft²
$471K
308 Happ Rd Apt 208
2 bd · 1,767 ft²
$485K
308 Happ Rd # 209
2 bd · 1,810 ft²
$519K
308 Happ Rd # 210
2 bd · 1,897 ft²
$538K
308 Happ Rd # 301
2 bd · 1,674 ft²
$450K
308 Happ Rd # 302
2 bd · 1,661 ft²
$426K
308 Happ Rd # 304
1 bd · 744 ft²
$235K
308 Happ Rd Apt 305
2 bd · 1,729 ft²
$392K
308 Happ Rd Apt 306
3 bd · 1,810 ft²
$486K
308 Happ Rd # 307
3 bd · 1,853 ft²
$462K
308 Happ Rd
3 bd · 1,853 ft²
$435K
308 Happ Rd # 309
3 bd · 2 ba · 1,897 ft²
$522K
308 Happ Rd # 310
3 bd · 1,977 ft²
$495K
308 Happ Rd # 401
3 bd · 2.5 ba · 2,945 ft²
$655K
308 Happ Rd # 402
2 bd · 1,680 ft²
$467K
308 Happ Rd # 404
1 bd · 768 ft²
$227K
308 Happ Rd # 405
2 bd · 1,767 ft²
$486K
308 Happ Rd # 406
2 bd · 2 ba · 1,853 ft²
$484K
308 Happ Rd # 407
2 bd · 1,897 ft²
$425K
308 Happ Rd # 408
2 bd · 1,897 ft²
$417K

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

About 308 Happ Rd

How many units are in 308 Happ Rd, Northfield, IL?

308 Happ Rd, Northfield, IL has 33 residential units across 4 floors, built in 1992, according to county assessor records.

What is a unit at 308 Happ Rd, Northfield, IL worth?

The median TopHap Estimate across the 33 units at 308 Happ Rd, Northfield, IL is $435,710. That works out to $269 per square foot. Units run from 719 to 2,945 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 308 Happ Rd, Northfield, IL expensive for Winnetka?

Units at 308 Happ Rd, Northfield, IL carry a median of $269 per square foot, 51% below the Winnetka median of $547 per square foot.

How often do units sell at 308 Happ Rd, Northfield, IL?

3 units at 308 Happ Rd, Northfield, IL sold in the last 12 months, out of 61 recorded arms-length sales all time. That is a turnover rate of 9.1% of the building per year. The median sale over that period was $379K.

Have units at 308 Happ Rd, Northfield, IL appreciated?

Across 30 repeat sales of the same unit, 308 Happ Rd, Northfield, IL returned a median 1.8% 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 10.3 years.

What floor plans does 308 Happ Rd, Northfield, IL have?

The most common plan at 308 Happ Rd, Northfield, IL is a 2-bedroom of 1,680 square feet, repeated 3 times, with a median estimate of $467,276. TopHap identifies 6 recurring plans in the building.

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Assigned schools

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