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Single Family ResidenceResidential
$384,147$189 / 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 93How 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

21 ROCKBRIDGE RD SW

LILBURN, GA 30047
4
Beds
2
Baths
2,033 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.
2.56 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$384K
$355K low$413K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,508 (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.$142,080 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$57,680
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$84,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$142,080
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$355,200

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.Conventional
CountyGwinnett
Lot (acres)The size of the land the home sits on, from county records.2.56
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.Raised (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
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 389 ft²

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 · 0.8 mi
M
Trickum Middle SchoolA
Middle · Grades 6–8 · 2.0 mi
H
Parkview High SchoolB+
High · Grades 9–12 · 2.5 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%

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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

21 Rockbridge Rd 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 more per square foot than 68% of homes in Lilburn 30047
  • Among the largest lots in Lilburn 30047
  • Older than 87% 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
$261K$749K

This home is worth more than 49% 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$384,147
CheaperTypical $388,578Pricier

Pricier than 49% of homes nearby

Price per ft²$189
CheaperTypical $174Pricier

Pricier than 68% of homes nearby

Living area2,033 ft²
SmallerTypical 2,303 ft²Bigger

Bigger than 37% of homes nearby

Lot size2.56 ac
SmallerTypical 0.43 acBigger

Bigger than almost all homes nearby

Year built1979
OlderTypical 1983Newer

Newer than 38% of homes nearby

How 21 Rockbridge Rd Sw ranks against every home in each area.
MeasureThis homeLilburn 30047Gwinnett County
Estimated valuepricier than$384,14749% of homes45% of homes
Price per ft²pricier than$18968% of homes62% of homes
Living areabigger than2,033 ft²37% of homes38% of homes
Lot sizebigger than2.56 acalmost all homes98% of homes
Year builtnewer than197938% of homes13% of homes

About 21 Rockbridge Rd Sw

How much is 21 Rockbridge Rd Sw, Lilburn, GA worth?

The TopHap Estimate for 21 Rockbridge Rd Sw, Lilburn, GA is $384,147 as of Sep 24, 2026. The likely range is $355,382 to $412,912. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Rockbridge Rd Sw, Lilburn, GA last sell?

21 Rockbridge Rd Sw, Lilburn, GA last sold on Feb 6, 2002, according to the county's recorded deed.

How big is 21 Rockbridge Rd Sw, Lilburn, GA?

21 Rockbridge Rd Sw, Lilburn, GA has 4 bedrooms, 2 bathrooms, 2,033 square feet of living space and a 2.56-acre lot.

When was 21 Rockbridge Rd Sw, Lilburn, GA built?

21 Rockbridge Rd Sw, Lilburn, GA was built in 1979, making it 47 years old. It is a conventional home. The building has 2 stories.

What schools serve 21 Rockbridge Rd Sw, Lilburn, GA?

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

How does 21 Rockbridge Rd Sw, Lilburn, GA compare to other homes in Lilburn 30047?

Among the 20,710 homes in Lilburn 30047, it is worth more than 49% of them ($384,147 against a typical $388,578), its price per square foot is higher than 68% of them ($189 against a typical $174), it is bigger than 37% of them (2,033 ft² against a typical 2,303 ft²), its lot is bigger than almost all of them (2.56 ac against a typical 0.43 ac) and it is newer than 38% of them (1979 against a typical 1983). Measured against all of Gwinnett County, it is worth more than 45% 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 21 Rockbridge Rd Sw, Lilburn, GA?

The 2025 property tax bill for 21 Rockbridge Rd Sw, Lilburn, GA was $1,508. The county assessed it at $142,080.

More homes on Rockbridge Rd Sw

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Assigned schools

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