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CondominiumResidential

4100 FOREST PARK AVE

SAINT LOUIS, MO 63108
Built 19135 floors120 units718–3,174 ft²
$33M
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.
$257K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$206
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+21.8%vs the Saint Louis ZIP median sale $/ft² ($169)

Sales Performance

$320K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
+45.5%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
5
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
4.2%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+0.3%per yeartypical hold 4.2 yrsfrom 154 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
20082010201520172019202120242026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
20082010201520172019202120242026

276 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.
$163K$241K$319K$397K718 ft²1,209 ft²1,700 ft²2,192 ft²2,683 ft²3,174 ft²
Studio
Studio
120 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 ba · 1,135 ft²
6 units
Studio · 1 ba · 1,107 ft²
3 units
Studio · 1 ba · 725 ft²
2 units
Studio · 1 ba · 789 ft²
2 units
Studio · 1 ba · 1,102 ft²
2 units
Studio · 1 ba · 1,128 ft²
2 units
Studio · 1 ba · 1,138 ft²
2 units
Studio · 1 ba · 1,168 ft²
2 units
Studio · 1 ba · 1,329 ft²
2 units
Studio · 1 ba · 1,429 ft²
2 units
Studio · 1 ba · 1,485 ft²
2 units
Studio · 1 ba · 1,542 ft²
2 units
Studio · 1 ba · 2,332 ft²
2 units
Studio · 1 ba · 2,338 ft²
2 units
One-off layouts
87 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.

$163K–$185K
7 units
$194K–$219K
12 units
$222K–$250K
36 units
$251K–$277K
13 units
$280K–$307K
10 units
$310K–$336K
22 units
$342K–$366K
18 units
$380K–$397K
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
$216/ft²
Floor 2
$226/ft²
Floor 3
$118/ft²
Floor 4
$168/ft²
Floor 5
$220/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 ·26
$243/ft²
Line ·18
$229/ft²
Line ·27
$215/ft²
Line ·20
$206/ft²
Line ·19
$204/ft²
Line ·01
$200/ft²
Line ·16
$190/ft²
Line ·14
$189/ft²
Line ·15
$189/ft²
Line ·12
$188/ft²
Line ·22
$184/ft²
Line ·24
$183/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.49%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.16%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.4.4 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.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.61%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$245,200
Median tax billThe middle annual property tax bill among the building's units.$3,633
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 304Jul 1, 2026$320,000Unit 206May 21, 2026$340,480Unit 506May 14, 2026$356,440Unit 123Feb 9, 2026$170,000Unit 517Feb 2, 2026$225,000Unit 221Aug 26, 2025$220,000Unit 323Jul 16, 2025$220,000Unit 217Jun 11, 2025$225,000Unit 316May 23, 2025$215,000Unit 516May 16, 2025$230,000

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.41
43
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.
87
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
70
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.
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
CountySAINT LOUIS CITY
PoolWhether the property has a pool, and what kind, such as in-ground.No

Foreclosure Filings(1)

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

E
Adams Elementary SchoolF
Elementary · Grades EE–6 · 0.9 mi
H
Vashon High SchoolF
High · Grades 9–12 · 1.7 mi
M
Long Middle SchoolF
Middle · Grades 6–8 · 3.9 mi

District: St. Louis City School District

Neighborhood · ZIP 63108These 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.135
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.143

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.87%
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.22%
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.19,051
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,114 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$55,856
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$89,286
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.40 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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.

4100 Forest Park Ave
$221K
4100 Forest Park Ave # 112
1 ba · 1,542 ft²
$312K
4100 Forest Park Ave # 113
1 ba · 1,135 ft²
$242K
4100 Forest Park Ave # 114
1 ba · 1,135 ft²
$252K
4100 Forest Park Ave # 115
1 ba · 1,135 ft²
$252K
4100 Forest Park Ave # 116
1 ba · 1,135 ft²
$250K
4100 Forest Park Ave # 117
1 ba · 1,135 ft²
$255K
4100 Forest Park Ave # 118
1 ba · 1,135 ft²
$332K
4100 Forest Park Ave # 120
1 ba · 1,542 ft²
$351K
4100 Forest Park Ave # 121
1 ba · 1,107 ft²
$225K
4100 Forest Park Ave # 122
1 ba · 1,108 ft²
$229K
4100 Forest Park Ave # 123
1 ba · 1,172 ft²
$171K
4100 Forest Park Ave # 124
1 ba · 1,485 ft²
$321K
4100 Forest Park Ave # 201
1.5 ba · 1,169 ft²
$272K
4100 Forest Park Ave # 202
1 ba · 1,520 ft²
$332K
4100 Forest Park Ave # 203
1 ba · 1,158 ft²
$245K
4100 Forest Park Ave # 204
1 ba · 1,202 ft²
$285K
4100 Forest Park Ave # 205
1 ba · 1,481 ft²
$345K
4100 Forest Park Ave # 206
1 ba · 1,355 ft²
$321K
4100 Forest Park Ave # 207
1 ba · 1,188 ft²
$271K
4100 Forest Park Ave # 208
1 ba · 1,590 ft²
$363K
4100 Forest Park Ave # 209
1 ba · 1,301 ft²
$294K
4100 Forest Park Ave # 210
1 ba · 1,160 ft²
$280K
4100 Forest Park Ave # 211
1 ba · 1,317 ft²
$307K
4100 Forest Park Ave # 212
1 ba · 1,493 ft²
$345K
4100 Forest Park Ave # 213
1 ba · 1,056 ft²
$238K
4100 Forest Park Ave # 214
1 ba · 1,103 ft²
$225K
4100 Forest Park Ave # 215
1.5 ba · 1,113 ft²
$233K
4100 Forest Park Ave # 216
1.5 ba · 1,114 ft²
$232K
4100 Forest Park Ave # 217
1 ba · 1,123 ft²
$228K
4100 Forest Park Ave # 218
1 ba · 1,328 ft²
$310K
4100 Forest Park Ave # 219
1 ba · 1,427 ft²
$321K
4100 Forest Park Ave # 220
1 ba · 1,540 ft²
$350K
4100 Forest Park Ave # 221
1.5 ba · 1,107 ft²
$222K
4100 Forest Park Ave # 222
1 ba · 1,076 ft²
$214K
4100 Forest Park Ave # 223
1.5 ba · 1,147 ft²
$252K
4100 Forest Park Ave # 224
1 ba · 1,132 ft²
$231K
4100 Forest Park Ave # 225
1 ba · 720 ft²
$183K
4100 Forest Park Ave # 226
1 ba · 718 ft²
$219K
4100 Forest Park Ave # 227
1 ba · 782 ft²
$185K
4100 Forest Park Ave # 301
1 ba · 1,168 ft²
$237K
4100 Forest Park Ave # 302
1 ba · 3,052 ft²
$346K
4100 Forest Park Ave # 303
1 ba · 2,332 ft²
$276K
4100 Forest Park Ave # 304
1 ba · 2,416 ft²
$321K
4100 Forest Park Ave # 305
1 ba · 2,970 ft²
$335K
4100 Forest Park Ave # 306
1 ba · 2,718 ft²
$325K
4100 Forest Park Ave # 307
1 ba · 2,394 ft²
$270K
4100 Forest Park Ave # 308
1 ba · 3,174 ft²
$346K
4100 Forest Park Ave # 309
1 ba · 2,618 ft²
$315K
4100 Forest Park Ave # 310
1 ba · 2,338 ft²
$294K
4100 Forest Park Ave # 311
1 ba · 2,624 ft²
$304K
4100 Forest Park Ave # 312
1 ba · 3,008 ft²
$397K
4100 Forest Park Ave # 313
1 ba · 2,120 ft²
$233K
4100 Forest Park Ave # 314
1.5 ba · 2,206 ft²
$239K
4100 Forest Park Ave # 315
1 ba · 2,220 ft²
$201K
4100 Forest Park Ave # 316
1 ba · 2,236 ft²
$218K
4100 Forest Park Ave # 317
1 ba · 2,230 ft²
$234K
4100 Forest Park Ave # 318
1 ba · 2,654 ft²
$352K
4100 Forest Park Ave # 319
1 ba · 2,858 ft²
$342K
4100 Forest Park Ave # 320
1 ba · 3,098 ft²
$363K
4100 Forest Park Ave # 321
1 ba · 2,214 ft²
$234K
4100 Forest Park Ave # 322
1.5 ba · 2,204 ft²
$233K
4100 Forest Park Ave # 323
1.5 ba · 2,256 ft²
$223K
4100 Forest Park Ave # 324
1 ba · 2,260 ft²
$240K
4100 Forest Park Ave # 325
1 ba · 1,452 ft²
$163K
4100 Forest Park Ave # 326
1 ba · 1,450 ft²
$197K
4100 Forest Park Ave # 327
1 ba · 1,578 ft²
$200K
4100 Forest Park Ave # 401
1 ba · 2,336 ft²
$321K
4100 Forest Park Ave # 402
1 ba · 3,052 ft²
$325K
4100 Forest Park Ave # 403
1 ba · 2,332 ft²
$281K
4100 Forest Park Ave # 404
1 ba · 2,416 ft²
$285K
4100 Forest Park Ave # 405
1 ba · 2,970 ft²
$334K
4100 Forest Park Ave # 406
1 ba · 2,838 ft²
$321K
4100 Forest Park Ave # 407
1 ba · 2,394 ft²
$331K
4100 Forest Park Ave # 408
1 ba · 3,174 ft²
$357K
4100 Forest Park Ave # 409
1 ba · 2,618 ft²
$345K
4100 Forest Park Ave
1 ba · 2,338 ft²
$277K
4100 Forest Park Ave # 411
1 ba · 2,664 ft²
$349K
4100 Forest Park Ave # 412
1 ba · 3,008 ft²
$366K
4100 Forest Park Ave # 413
1.5 ba · 2,120 ft²
$236K
4100 Forest Park Ave # 414
1,103 ft²
$235K
4100 Forest Park Ave # 415
1 ba · 1,105 ft²
$237K
4100 Forest Park Ave # 416
1.5 ba · 1,116 ft²
$235K
4100 Forest Park Ave # 417
1 ba · 1,115 ft²
$226K
4100 Forest Park Ave # 418
1 ba · 1,327 ft²
$331K
4100 Forest Park Ave # 419
1 ba · 1,429 ft²
$345K
4100 Forest Park Ave # 420
1 ba · 1,107 ft²
$251K
4100 Forest Park Ave # 421
1 ba · 1,107 ft²
$227K
4100 Forest Park Ave # 422
1 ba · 1,128 ft²
$232K
4100 Forest Park Ave # 423
1 ba · 1,128 ft²
$232K
4100 Forest Park Ave # 424
1 ba · 1,130 ft²
$204K
4100 Forest Park Ave # 425
1 ba · 1,562 ft²
$178K
4100 Forest Park Ave # 426
1 ba · 725 ft²
$184K
4100 Forest Park Ave # 427
1 ba · 789 ft²
$198K
4100 Forest Park Ave # 501
1 ba · 1,168 ft²
$265K
4100 Forest Park Ave # 502
1 ba · 1,526 ft²
$334K
4100 Forest Park Ave # 503
1,166 ft²
$260K
4100 Forest Park Ave # 504
1 ba · 1,208 ft²
$249K
4100 Forest Park Ave # 505
1 ba · 1,485 ft²
$355K
4100 Forest Park Ave # 506
1 ba · 1,359 ft²
$336K
4100 Forest Park Ave # 507
1 ba · 1,197 ft²
$296K
4100 Forest Park Ave # 508
1 ba · 1,587 ft²
$346K
4100 Forest Park Ave # 509
1 ba · 1,309 ft²
$306K
4100 Forest Park Ave # 510
1 ba · 1,169 ft²
$260K
4100 Forest Park Ave # 511
1 ba · 2,664 ft²
$333K
4100 Forest Park Ave # 512
1 ba · 1,504 ft²
$380K
4100 Forest Park Ave # 513
1 ba · 1,060 ft²
$238K
4100 Forest Park Ave # 514
1 ba · 1,111 ft²
$219K
4100 Forest Park Ave # 515
1 ba · 1,113 ft²
$232K
4100 Forest Park Ave # 516
1 ba · 1,102 ft²
$233K
4100 Forest Park Ave # 517
1 ba · 1,329 ft²
$226K
4100 Forest Park Ave # 518
1 ba · 1,329 ft²
$315K
4100 Forest Park Ave # 519
1 ba · 1,429 ft²
$331K
4100 Forest Park Ave # 520
1 ba · 1,549 ft²
$357K
4100 Forest Park Ave # 521
1 ba · 1,102 ft²
$203K
4100 Forest Park Ave # 522
1.5 ba · 1,102 ft²
$222K
4100 Forest Park Ave # 523
1 ba · 1,138 ft²
$227K
4100 Forest Park Ave # 524
1 ba · 1,138 ft²
$238K
4100 Forest Park Ave # 525
1 ba · 726 ft²
$175K
4100 Forest Park Ave # 526
1 ba · 725 ft²
$202K
4100 Forest Park Ave # 527
1 ba · 789 ft²
$194K

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

About 4100 Forest Park Ave

How many units are in 4100 Forest Park Ave, Saint Louis, MO?

4100 Forest Park Ave, Saint Louis, MO has 120 residential units across 5 floors, built in 1913, according to county assessor records.

What is a unit at 4100 Forest Park Ave, Saint Louis, MO worth?

The median TopHap Estimate across the 120 units at 4100 Forest Park Ave, Saint Louis, MO is $257,189. That works out to $206 per square foot. Units run from 718 to 3,174 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 4100 Forest Park Ave, Saint Louis, MO expensive for Saint Louis?

Units at 4100 Forest Park Ave, Saint Louis, MO carry a median of $206 per square foot, 22% above the Saint Louis median of $169 per square foot.

How often do units sell at 4100 Forest Park Ave, Saint Louis, MO?

5 units at 4100 Forest Park Ave, Saint Louis, MO sold in the last 12 months, out of 276 recorded arms-length sales all time. That is a turnover rate of 4.2% of the building per year. The median sale over that period was $320K.

Have units at 4100 Forest Park Ave, Saint Louis, MO appreciated?

Across 154 repeat sales of the same unit, 4100 Forest Park Ave, Saint Louis, MO returned a median 0.3% 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 4.2 years.

What floor plans does 4100 Forest Park Ave, Saint Louis, MO have?

The most common plan at 4100 Forest Park Ave, Saint Louis, MO is a 0-bedroom of 1,135 square feet, repeated 6 times, with a median estimate of $251,942. TopHap identifies 14 recurring plans in the building.

More homes on Forest Park Ave

Closest homes

More homes in Saint Louis 63108

Assigned schools

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Open 4100 Forest Park Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

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