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Single Family ResidenceResidential
$374,155$191 / 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

421 THORNBUSH TRCE

LAWRENCEVILLE, GA 30046
3
Beds
2
Baths
1,963 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
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

$374K
$360K low$388K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,341 (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.$137,360 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$28,160
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$109,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$137,360
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$343,400

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.32 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.Conventional
CountyGwinnett
Lot (acres)The size of the land the home sits on, from county records.0.25
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)
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

Transaction History(12)

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

Foreclosure Filings(1)

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

M
Moore Middle SchoolC-
Middle · Grades 6–8 · 0.8 mi
E
Margaret Winn Holt Elementary SchoolC
Elementary · Grades KG–5 · 0.8 mi
H
Central Gwinnett High SchoolC
High · Grades 9–12 · 0.9 mi

District: Gwinnett County School District

Neighborhood · ZIP 30046These 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.120
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.79
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.53

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.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
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.43,183
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,676 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$67,293
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$80,373
Average tempThe average temperature here across a full year.60°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

421 Thornbush Trce 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 more than 71% of homes in Lawrenceville 30046
  • Costs more per square foot than 70% of homes in Lawrenceville 30046
  • Smaller than 66% of homes in Gwinnett County
  • Older than 65% of homes in Gwinnett County

What homes are worth in Lawrenceville 30046

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

This home
$211K$533K

This home is worth more than 71% of homes in Lawrenceville 30046.

How it measures up in Lawrenceville 30046

The dot is this home. The mark in the middle is the typical home in Lawrenceville 30046.

Estimated value$374,155
CheaperTypical $331,775Pricier

Pricier than 71% of homes nearby

Price per ft²$191
CheaperTypical $175Pricier

Pricier than 70% of homes nearby

Living area1,963 ft²
SmallerTypical 1,894 ft²Bigger

Bigger than 54% of homes nearby

Lot size0.25 ac
SmallerTypical 0.31 acBigger

Bigger than 37% of homes nearby

Year built1990
OlderTypical 1988Newer

Newer than 54% of homes nearby

How 421 Thornbush Trce ranks against every home in each area.
MeasureThis homeLawrenceville 30046Gwinnett County
Estimated valuepricier than$374,15571% of homes41% of homes
Price per ft²pricier than$19170% of homes64% of homes
Living areabigger than1,963 ft²54% of homes34% of homes
Lot sizebigger than0.25 ac37% of homes38% of homes
Year builtnewer than199054% of homes35% of homes

About 421 Thornbush Trce

How much is 421 Thornbush Trce, Lawrenceville, GA worth?

The TopHap Estimate for 421 Thornbush Trce, Lawrenceville, GA is $374,155 as of Sep 24, 2026. The likely range is $359,948 to $388,362. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Thornbush Trce, Lawrenceville, GA last sell?

421 Thornbush Trce, Lawrenceville, GA last sold on Dec 16, 2025, according to the county's recorded deed. TopHap holds 8 recorded sales for this parcel.

How big is 421 Thornbush Trce, Lawrenceville, GA?

421 Thornbush Trce, Lawrenceville, GA has 3 bedrooms, 2 bathrooms, 1,963 square feet of living space and a 0.25-acre lot.

When was 421 Thornbush Trce, Lawrenceville, GA built?

421 Thornbush Trce, Lawrenceville, GA was built in 1990, making it 36 years old. It is a conventional home. The building has 1 story.

What schools serve 421 Thornbush Trce, Lawrenceville, GA?

421 Thornbush Trce, Lawrenceville, GA is assigned to Moore Middle School (middle), rated C-; Margaret Winn Holt Elementary School (elementary), rated C; Central Gwinnett High School (high), rated C. All sit in Gwinnett County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Thornbush Trce, Lawrenceville, GA compare to other homes in Lawrenceville 30046?

Among the 10,871 homes in Lawrenceville 30046, it is worth more than 71% of them ($374,155 against a typical $331,775), its price per square foot is higher than 70% of them ($191 against a typical $175), it is bigger than 54% of them (1,963 ft² against a typical 1,894 ft²), its lot is bigger than 37% of them (0.25 ac against a typical 0.31 ac) and it is newer than 54% of them (1990 against a typical 1988). Measured against all of Gwinnett County, it is worth more than 41% 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 421 Thornbush Trce, Lawrenceville, GA?

The 2025 property tax bill for 421 Thornbush Trce, Lawrenceville, GA was $4,341. The county assessed it at $137,360.

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