Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$425,092$157 / 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 95How 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 $219,000 on Sep 7, 2016

399 ALP LN SW

LILBURN, GA 30047
4
Beds
2.5
Baths
2,700 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.
0.51 ac
Lot SizeThe size of the land the home sits on, from county records.
1980
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$425K
$403K low$447K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$219,000 · Sep 7, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,935 (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.$191,520 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$22,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$169,320
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$149,360
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$478,800

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.9 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.minimal

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
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.0.51
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
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.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
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 · 380 ft²Patio · 192 ft²Porch · 40 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
Arcado Elementary SchoolA-
Elementary · Grades KG–5 · 0.3 mi
H
Parkview High SchoolB+
High · Grades 9–12 · 1.5 mi
M
Trickum Middle SchoolA
Middle · Grades 6–8 · 1.6 mi

District: Gwinnett County School District

Neighborhood · ZIP 30047These 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 100.51

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.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.7%
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.76,659
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,709 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$90,005
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$108,017
Average tempThe average temperature here across a full year.61°F
Annual precipHow much rain and melted snow falls here in a typical year.53 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

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

399 Alp Ln Sw 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.

  • Costs less per square foot than 74% of homes in Gwinnett County
  • Bigger than 67% of homes in Lilburn 30047
  • Has a bigger lot than 78% of homes in Gwinnett County
  • Older than 85% of homes in Gwinnett County

What homes are worth in Lilburn 30047

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

This home
$259K$723K

This home is worth more than 63% of homes in Lilburn 30047.

How it measures up in Lilburn 30047

The dot is this home. The mark in the middle is the typical home in Lilburn 30047.

Estimated value$425,092
CheaperTypical $385,884Pricier

Pricier than 63% of homes nearby

Price per ft²$157
CheaperTypical $173Pricier

Pricier than 28% of homes nearby

Living area2,700 ft²
SmallerTypical 2,294 ft²Bigger

Bigger than 67% of homes nearby

Lot size0.51 ac
SmallerTypical 0.43 acBigger

Bigger than 67% of homes nearby

Year built1980
OlderTypical 1983Newer

Newer than 41% of homes nearby

How 399 Alp Ln Sw ranks against every home in each area.
MeasureThis homeLilburn 30047Gwinnett County
Estimated valuepricier than$425,09263% of homes60% of homes
Price per ft²pricier than$15728% of homes26% of homes
Living areabigger than2,700 ft²67% of homes67% of homes
Lot sizebigger than0.51 ac67% of homes78% of homes
Year builtnewer than198041% of homes15% of homes

About 399 Alp Ln Sw

How much is 399 Alp Ln Sw, Lilburn, GA worth?

The TopHap Estimate for 399 Alp Ln Sw, Lilburn, GA is $425,092 as of Oct 21, 2026. The likely range is $403,404 to $446,780. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 399 Alp Ln Sw, Lilburn, GA last sell?

399 Alp Ln Sw, Lilburn, GA last sold on Sep 7, 2016 for $219,000, according to the county's recorded deed.

How big is 399 Alp Ln Sw, Lilburn, GA?

399 Alp Ln Sw, Lilburn, GA has 4 bedrooms, 2.5 bathrooms, 2,700 square feet of living space and a 0.51-acre lot.

When was 399 Alp Ln Sw, Lilburn, GA built?

399 Alp Ln Sw, Lilburn, GA was built in 1980, making it 46 years old. It is a split level home. The building has 1 story.

What schools serve 399 Alp Ln Sw, Lilburn, GA?

399 Alp Ln Sw, Lilburn, GA is assigned to Arcado Elementary School (elementary), rated A-; Parkview High School (high), rated B+; Trickum Middle School (middle), rated A. All sit in Gwinnett County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 399 Alp Ln Sw, Lilburn, GA compare to other homes in Lilburn 30047?

Among the 20,706 homes in Lilburn 30047, it is worth more than 63% of them ($425,092 against a typical $385,884), its price per square foot is higher than 28% of them ($157 against a typical $173), it is bigger than 67% of them (2,700 ft² against a typical 2,294 ft²), its lot is bigger than 67% of them (0.51 ac against a typical 0.43 ac) and it is newer than 41% of them (1980 against a typical 1983). Measured against all of Gwinnett County, it is worth more than 60% 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 399 Alp Ln Sw, Lilburn, GA?

The 2025 property tax bill for 399 Alp Ln Sw, Lilburn, GA was $6,935. The county assessed it at $191,520.

More homes on Alp Ln Sw

Closest homes

More homes in Lilburn 30047

Assigned schools

Explore the area

See this home in context

Open 399 Alp Ln Sw 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