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CondominiumResidential

4121 S Four Mile Run Dr

ARLINGTON, VA 22204
1966
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
Built 19664 floors15 units818–1,135 ft²
$7.2M
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.
$517K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$461
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+36.4%vs the Arlington ZIP median sale $/ft² ($338)

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.
+1.2%per yeartypical hold 4.7 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
20092011201420162018202020232025
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
20092011201420162018202020232025

44 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.
$378K$428K$479K$529K818 ft²881 ft²945 ft²1,008 ft²1,072 ft²1,135 ft²
1 bd2 bd
1 bed
4 units
2 bed
11 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 · 2 ba · 1,135 ft²
8 units
2 bd · 2 ba · 1,030 ft²
3 units
1 bd · 1 ba · 851 ft²
2 units
One-off layouts
2 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.

$378K–$390K
3 units
$407K–$407K
1 unit
$497K–$506K
2 units
$512K–$529K
9 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
$452/ft²
Floor 2
$466/ft²
Floor 3
$473/ft²
Floor 4
$460/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
$498/ft²
Line ·02
$459/ft²
Line ·03
$456/ft²
Line ·01
$450/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.67%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.0%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.7.1 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.74%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$499,804
Median tax billThe middle annual property tax bill among the building's units.$5,317
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 103Apr 14, 2025$499,999Unit 304Nov 12, 2024$525,000Unit 201Nov 6, 2023$364,750Unit 204Aug 10, 2023$505,000Unit 202Apr 12, 2022$520,000Unit 402Oct 7, 2020$450,000Unit 202Aug 31, 2020$460,000Unit 401Jan 2, 2020$349,000Unit 101Jul 31, 2019$354,125Unit 103Jul 9, 2019$419,900

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

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
CountyARLINGTON
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
Dr. Charles R. Drew Elementary SchoolD
Elementary · Grades PK–5 · 0.5 mi
H
Wakefield High SchoolC-
High · Grades 9–12 · 0.8 mi
M
Jefferson Middle SchoolC
Middle · Grades 6–8 · 1.5 mi

District: Arlington County Public Schools

Neighborhood · ZIP 22204These 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.78
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.37

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.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.54,941
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.11,432 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$105,306
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$143,015
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.42 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.63%

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.

4121 S Four Mile Run Dr # 101
1 bd · 1 ba · 818 ft²
$378K
4121 S Four Mile Run Dr # 102
2 bd · 2 ba · 1,135 ft²
$517K
4121 S Four Mile Run Dr # 103
2 bd · 2 ba · 1,135 ft²
$497K
4121 S Four Mile Run Dr # 201
1 bd · 1 ba · 851 ft²
$380K
4121 S Four Mile Run Dr # 202
2 bd · 2 ba · 1,135 ft²
$519K
4121 S Four Mile Run Dr # 203
2 bd · 2 ba · 1,135 ft²
$524K
4121 S Four Mile Run Dr # 204
2 bd · 2 ba · 1,030 ft²
$512K
4121 S Four Mile Run Dr # 301
1 bd · 1 ba · 851 ft²
$390K
4121 S Four Mile Run Dr # 302
2 bd · 2 ba · 1,135 ft²
$529K
4121 S Four Mile Run Dr # 303
2 bd · 2 ba · 1,135 ft²
$524K
4121 S Four Mile Run Dr # 304
2 bd · 2 ba · 1,030 ft²
$522K
4121 S Four Mile Run Dr # 401
1 bd · 1 ba · 941 ft²
$407K
4121 S Four Mile Run Dr # 402
2 bd · 2 ba · 1,135 ft²
$517K
4121 S Four Mile Run Dr # 403
2 bd · 2 ba · 1,135 ft²
$523K
4121 S Four Mile Run Dr # 404
2 bd · 2 ba · 1,030 ft²
$506K

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

About 4121 S Four Mile Run Dr

How many units are in 4121 S Four Mile Run Dr, Arlington, VA?

4121 S Four Mile Run Dr, Arlington, VA has 15 residential units across 4 floors, built in 1966, according to county assessor records.

What is a unit at 4121 S Four Mile Run Dr, Arlington, VA worth?

The median TopHap Estimate across the 15 units at 4121 S Four Mile Run Dr, Arlington, VA is $517,100. That works out to $461 per square foot. Units run from 818 to 1,135 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 4121 S Four Mile Run Dr, Arlington, VA expensive for Arlington?

Units at 4121 S Four Mile Run Dr, Arlington, VA carry a median of $461 per square foot, 36% above the Arlington median of $338 per square foot.

How often do units sell at 4121 S Four Mile Run Dr, Arlington, VA?

0 units at 4121 S Four Mile Run Dr, Arlington, VA sold in the last 12 months, out of 44 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.

Have units at 4121 S Four Mile Run Dr, Arlington, VA appreciated?

Across 26 repeat sales of the same unit, 4121 S Four Mile Run Dr, Arlington, VA returned a median 1.2% 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 4.7 years.

What floor plans does 4121 S Four Mile Run Dr, Arlington, VA have?

The most common plan at 4121 S Four Mile Run Dr, Arlington, VA is a 2-bedroom of 1,135 square feet, repeated 8 times, with a median estimate of $521,251. TopHap identifies 3 recurring plans in the building.

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