Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$659,855$372 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $193,000 on Aug 13, 1999

3707 MASON ST

FAIRFAX, VA 22030
3
Beds
1.5
Baths
1,774 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.35 ac
Lot SizeThe size of the land the home sits on, from county records.
1957
Year BuiltThe year the home was originally built, according to county records.
4
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$660K
$633K low$687K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$193,000 · Aug 13, 1999

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,632 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$711,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$277,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$434,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$651,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$711,600

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.18
52
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
13
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
29
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.15 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyFAIRFAX CITY
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1961
Lot (acres)The size of the land the home sits on, from county records.0.35
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

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

E
Daniels Run Elementary SchoolC
Elementary · Grades PK–6 · 0.5 mi
H
Fairfax High SchoolB+
High · Grades 9–12 · 1.1 mi
M
Katherine Johnson Middle SchoolB+
Middle · Grades 7–8 · 1.3 mi

District: Fairfax County Public Schools

Neighborhood · ZIP 22030These 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.84
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.32

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.9%
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.59,579
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,152 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$133,648
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$165,996
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.44 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.63%

Owner Tools

Do you own this home?
Claim this home

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

How this home compares

3707 Mason St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth less than 77% of homes in Fairfax 22030
  • Costs less per square foot than 68% of homes in Fairfax 22030
  • Has a bigger lot than 84% of homes in Fairfax City
  • Older than 85% of homes in Fairfax 22030

What homes are worth in Fairfax 22030

Each bar is how many homes fall in that price range. The marker is this home.

This home
$283K$1.6M

This home is worth more than 23% of homes in Fairfax 22030.

How it measures up in Fairfax 22030

The dot is this home. The mark in the middle is the typical home in Fairfax 22030.

Estimated value$659,855
CheaperTypical $808,766Pricier

Pricier than 23% of homes nearby

Price per ft²$372
CheaperTypical $405Pricier

Pricier than 32% of homes nearby

Living area1,774 ft²
SmallerTypical 1,910 ft²Bigger

Bigger than 44% of homes nearby

Lot size0.35 ac
SmallerTypical 0.24 acBigger

Bigger than 73% of homes nearby

Year built1957
OlderTypical 1988Newer

Newer than 15% of homes nearby

How 3707 Mason St ranks against every home in each area.
MeasureThis homeFairfax CityFairfax 22030
Estimated valuepricier than$659,85530% of homes23% of homes
Price per ft²pricier than$37238% of homes32% of homes
Living areabigger than1,774 ft²51% of homes44% of homes
Lot sizebigger than0.35 ac84% of homes73% of homes
Year builtnewer than195731% of homes15% of homes

About 3707 Mason St

How much is 3707 Mason St, Fairfax, VA worth?

The TopHap Estimate for 3707 Mason St, Fairfax, VA is $659,855 as of Oct 21, 2026. The likely range is $632,923 to $686,787. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3707 Mason St, Fairfax, VA last sell?

3707 Mason St, Fairfax, VA last sold on Aug 13, 1999 for $193,000, according to the county's recorded deed.

How big is 3707 Mason St, Fairfax, VA?

3707 Mason St, Fairfax, VA has 3 bedrooms, 1.5 bathrooms, 1,774 square feet of living space and a 0.35-acre lot.

When was 3707 Mason St, Fairfax, VA built?

3707 Mason St, Fairfax, VA was built in 1957, making it 69 years old. The building has 4 stories.

What schools serve 3707 Mason St, Fairfax, VA?

3707 Mason St, Fairfax, VA is assigned to Daniels Run Elementary School (elementary), rated C; Fairfax High School (high), rated B+; Katherine Johnson Middle School (middle), rated B+. All sit in Fairfax County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3707 Mason St, Fairfax, VA compare to other homes in Fairfax 22030?

Among the 15,043 homes in Fairfax 22030, it is worth more than 23% of them ($659,855 against a typical $808,766), its price per square foot is higher than 32% of them ($372 against a typical $405), it is bigger than 44% of them (1,774 ft² against a typical 1,910 ft²), its lot is bigger than 73% of them (0.35 ac against a typical 0.24 ac) and it is newer than 15% of them (1957 against a typical 1988). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 3707 Mason St, Fairfax, VA?

The 2026 property tax bill for 3707 Mason St, Fairfax, VA was $7,632. The county assessed it at $711,600.

More homes on Mason St

Closest homes

More homes in Fairfax 22030

Assigned schools

Explore the area

See this home in context

Open 3707 Mason St 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