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Single Family ResidenceResidential
$303,627$173 / 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 Sep 24, 2026
Last sold for $302,000 on Jun 29, 2026

3447 WINSTON MASON DR

SNELLVILLE, GA 30039
3
Beds
2
Baths
1,752 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.
0.43 ac
Lot SizeThe size of the land the home sits on, from county records.
1978
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$304K
$293K low$315K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$302,000 · Jun 29, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,418 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$115,040 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$23,720
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$91,320
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$113,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$287,600

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Split Level
CountyGWINNETT
Lot (acres)The size of the land the home sits on, from county records.0.43
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Primary
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 192 ft²Patio · 192 ft²Porch · 96 ft²

Transaction History(2)

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
Partee Elementary SchoolB-
Elementary · Grades KG–5 · 0.8 mi
H
Shiloh High SchoolD
High · Grades 9–12 · 1.9 mi
M
Shiloh Middle SchoolC+
Middle · Grades 6–8 · 2.1 mi

District: Gwinnett County School District

Neighborhood · ZIP 30039These 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.62
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.72
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.54

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.50,303
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,986 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$94,266
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$117,196
Average tempThe average temperature here across a full year.61°F
Annual precipHow much rain and melted snow falls here in a typical year.52 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

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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

3447 Winston Mason Dr 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 87% of homes in Gwinnett County
  • Costs more per square foot than 72% of homes in Snellville 30039
  • Smaller than 77% of homes in Gwinnett County
  • Has a bigger lot than 68% of homes in Gwinnett County
  • Older than 91% of homes in Snellville 30039

What homes are worth in Snellville 30039

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

This home
$229K$574K

This home is worth more than 28% of homes in Snellville 30039.

How it measures up in Snellville 30039

The dot is this home. The mark in the middle is the typical home in Snellville 30039.

Estimated value$303,627
CheaperTypical $340,589Pricier

Pricier than 28% of homes nearby

Price per ft²$173
CheaperTypical $153Pricier

Pricier than 72% of homes nearby

Living area1,752 ft²
SmallerTypical 2,246 ft²Bigger

Bigger than 25% of homes nearby

Lot size0.43 ac
SmallerTypical 0.36 acBigger

Bigger than 61% of homes nearby

Year built1978
OlderTypical 1994Newer

Newer than 9% of homes nearby

How 3447 Winston Mason Dr ranks against every home in each area.
MeasureThis homeSnellville 30039Gwinnett County
Estimated valuepricier than$303,62728% of homes13% of homes
Price per ft²pricier than$17372% of homes44% of homes
Living areabigger than1,752 ft²25% of homes23% of homes
Lot sizebigger than0.43 ac61% of homes68% of homes
Year builtnewer than19789% of homes12% of homes

About 3447 Winston Mason Dr

How much is 3447 Winston Mason Dr, Snellville, GA worth?

The TopHap Estimate for 3447 Winston Mason Dr, Snellville, GA is $303,627 as of Sep 24, 2026. The likely range is $292,504 to $314,750. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3447 Winston Mason Dr, Snellville, GA last sell?

3447 Winston Mason Dr, Snellville, GA last sold on Jun 29, 2026 for $302,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3447 Winston Mason Dr, Snellville, GA?

3447 Winston Mason Dr, Snellville, GA has 3 bedrooms, 2 bathrooms, 1,752 square feet of living space and a 0.43-acre lot.

When was 3447 Winston Mason Dr, Snellville, GA built?

3447 Winston Mason Dr, Snellville, GA was built in 1978, making it 48 years old. It is a split level home. The building has 1 story.

What schools serve 3447 Winston Mason Dr, Snellville, GA?

3447 Winston Mason Dr, Snellville, GA is assigned to Partee Elementary School (elementary), rated B-; Shiloh High School (high), rated D; Shiloh Middle School (middle), rated C+. All sit in Gwinnett County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3447 Winston Mason Dr, Snellville, GA compare to other homes in Snellville 30039?

Among the 15,497 homes in Snellville 30039, it is worth more than 28% of them ($303,627 against a typical $340,589), its price per square foot is higher than 72% of them ($173 against a typical $153), it is bigger than 25% of them (1,752 ft² against a typical 2,246 ft²), its lot is bigger than 61% of them (0.43 ac against a typical 0.36 ac) and it is newer than 9% of them (1978 against a typical 1994). Measured against all of Gwinnett County, it is worth more than 13% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 3447 Winston Mason Dr, Snellville, GA?

The 2025 property tax bill for 3447 Winston Mason Dr, Snellville, GA was $3,418. The county assessed it at $115,040.

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Assigned schools

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