HousingHandbookReference data

U.S. ZIP Code · VA20124

Fairfax County · Washington-Arlington-Alexandria, DC-VA-MD-WV

Typical home value

$1,029,839[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year
-1.8%
5-year / yr
+4.0%
10-year / yr
+4.3%

Relative price

vs U.S.
+262.5%
vs metro
+75.4%
vs state
+213.7%
ZIP 20124 location in VA
Location of ZIP 20124 in VA

Price history

Zillow Home Value Index — monthly, smoothed and seasonally adjusted.

The typical home in 20124 is worth $1,029,839 — 75.4% above the Washington-Arlington-Alexandria, DC-VA-MD-WV median. Over the past year, values have fallen 1.8%. The effective property tax rate is 0.9%.

#Rent & investment

Typical asking rent, and the returns it implies at the current home value.

Monthly rent
[2]
Gross yield
[2]
Cap rate
[2]

#Property tax

Effective rate — total real estate taxes paid relative to total home value.

Effective tax rate
0.9%[3]
Typical annual tax
$9,621[3]

#Climate risk

FEMA National Risk Index ratings for Fairfax County. "Not Applicable" means the hazard does not threaten the county.

Overall risk
Relatively High[4]
Riverine flood
Relatively High
Coastal flood
Relatively Low
Wildfire
Very Low
Drought
Relatively Low
Heat wave
Relatively High
Hurricane
Relatively Moderate
Tornado
Relatively Low
Earthquake
Relatively Moderate
Winter weather
Very High

#Who lives here

Population
14,375[3]
Median household income
$221,060[3]

#Migration

Household moves in and out of Fairfax County over a year, from IRS tax-return data.

Net migration
-4,809[5]
Moved in
39,715
Moved out
44,524

Schools

Open public schools in this ZIP, from the NCES Common Core of Data.

Public schools
3
Elementary
1
Middle
1
High
1
  • Centreville High

    High · Grades 9–12 · Fairfax County Public Schools

    2,487 students

  • Union Mill Elementary

    Elementary · Grades PK–6 · Fairfax County Public Schools

    908 students

  • Liberty Middle

    Middle · Grades 7–8 · Fairfax County Public Schools

    903 students

Run the numbers

Interactive calculators pre-filled with this ZIP's typical home value, rent, and property-tax rate. Edit any field to recompute.

Gross yield
Net yield (after ~40% expenses)
Annual rent

Gross and net yield are estimates based on the inputs and the selected expense ratio. Actual income and expenses will vary by property and market. Not investment advice.

Monthly payment$5,207
Loan principal$823,871
Down payment$205,968
Total interest paid$1,050,802

Estimated monthly payments include principal and interest only. Actual costs will include property tax, insurance, possibly PMI, and HOA fees not modeled here. Loan terms shown are estimates; consult a licensed lender for current rates and qualification.

Own : rent ratio
Monthly cost to own$6,864
Monthly rent

This calculator projects multi-year scenarios based on assumptions about appreciation, rent growth, and investment returns — none of which are guaranteed. Actual outcomes depend on variables this tool cannot know. Not financial or real estate advice.

#Metro ranking

Where this ZIP sits among others in its metro area.

Appreciation
58th percentile[1]
Rental yield
[2]
Property tax
68th percentile[3]

Frequently asked

How much is a home worth in ZIP code 20124?
The typical home in 20124 is worth $1,029,839, based on the Zillow Home Value Index.
Are home values rising in 20124?
Home values in 20124 are down 1.8% over the past year, and up 4.0% a year over five years.
What is the property tax rate in 20124?
The effective property tax rate in 20124 is 0.9% — roughly $9,621 a year on a typical home.
Who lives in 20124?
ZIP code 20124 has a population of 14,375 and a median household income of $221,060.

#Comparable ZIPs

Same metro, nearest typical home value. Each card shows the comparable ZIP's headline numbers so you can scan at a glance.

  • Fort Hunt CDP, VA

    Typical home
    $992,913
    Gross yield
  • Falls Church, VA

    Typical home
    $1,067,145
    Gross yield
    3.1%
  • Alexandria, VA

    Typical home
    $1,075,036
    Gross yield
    3.0%
  • Hamilton, VA

    Typical home
    $984,064
    Gross yield
  • Ashton-Sandy Spring CDP, MD

    Typical home
    $982,936
    Gross yield
  • Vienna, VA

    Typical home
    $1,077,872
    Gross yield
    2.9%

Want similar ZIPs from outside this metro? Browse nationally similar ZIPs →

Compare ZIPs

Pit ZIP 20124 against any other ZIP — full side-by-side table.

Compare 20124

#Jump to section