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Single Family ResidenceResidential
$407,645$297 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

640 ROCK SPRINGS RD

GRAYSON, GA 30017
3
Beds
1
Baths
1,372 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.
2.32 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
Year BuiltThe year the home was originally built, according to county records.
1
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$408K
$374K low$442K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,271 (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.$89,640 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$43,760
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$45,880
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$89,640
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$224,100

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.2.32
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
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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.Porch · 192 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
Grayson Elementary SchoolA
Elementary · Grades KG–5 · 0.3 mi
M
Bay Creek Middle SchoolA
Middle · Grades 6–8 · 1.1 mi
H
Grayson High SchoolA
High · Grades 9–12 · 2.6 mi

District: Gwinnett County School District

Neighborhood · ZIP 30017These 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.44
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 100.56

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.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.1%
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.26,153
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,127 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$114,929
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$142,997
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

640 Rock Springs Rd 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.

  • Among the highest price per square foot in Grayson 30017
  • Smaller than 98% of homes in Grayson 30017
  • Has a bigger lot than 98% of homes in Gwinnett County
  • Among the oldest homes in Grayson 30017

What homes are worth in Grayson 30017

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

This home
$277K$761K

This home is worth more than 36% of homes in Grayson 30017.

How it measures up in Grayson 30017

The dot is this home. The mark in the middle is the typical home in Grayson 30017.

Estimated value$407,645
CheaperTypical $443,892Pricier

Pricier than 36% of homes nearby

Price per ft²$297
CheaperTypical $167Pricier

Pricier than almost all homes nearby

Living area1,372 ft²
SmallerTypical 2,696 ft²Bigger

Bigger than 2% of homes nearby

Lot size2.32 ac
SmallerTypical 0.34 acBigger

Bigger than 97% of homes nearby

Year built1959
OlderTypical 2002Newer

Older than almost all homes nearby

How 640 Rock Springs Rd ranks against every home in each area.
MeasureThis homeGrayson 30017Gwinnett County
Estimated valuepricier than$407,64536% of homes51% of homes
Price per ft²pricier than$297almost all homes98% of homes
Living areabigger than1,372 ft²2% of homes7% of homes
Lot sizebigger than2.32 ac97% of homes98% of homes
Year builtnewer than1959almost no homes2% of homes

About 640 Rock Springs Rd

How much is 640 Rock Springs Rd, Grayson, GA worth?

The TopHap Estimate for 640 Rock Springs Rd, Grayson, GA is $407,645 as of Jul 14, 2026. The likely range is $373,699 to $441,591. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 640 Rock Springs Rd, Grayson, GA last sell?

640 Rock Springs Rd, Grayson, GA last sold on Mar 20, 2025, according to the county's recorded deed.

How big is 640 Rock Springs Rd, Grayson, GA?

640 Rock Springs Rd, Grayson, GA has 3 bedrooms, 1 bathrooms, 1,372 square feet of living space and a 2.32-acre lot.

When was 640 Rock Springs Rd, Grayson, GA built?

640 Rock Springs Rd, Grayson, GA was built in 1959, making it 67 years old. It is a conventional home. The building has 1 story.

What schools serve 640 Rock Springs Rd, Grayson, GA?

640 Rock Springs Rd, Grayson, GA is assigned to Grayson Elementary School (elementary), rated A; Bay Creek Middle School (middle), rated A; Grayson High School (high), rated A. All sit in Gwinnett County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 640 Rock Springs Rd, Grayson, GA compare to other homes in Grayson 30017?

Among the 8,598 homes in Grayson 30017, it is worth more than 36% of them ($407,645 against a typical $443,892), its price per square foot is higher than almost all of them ($297 against a typical $167), it is bigger than 2% of them (1,372 ft² against a typical 2,696 ft²), its lot is bigger than 97% of them (2.32 ac against a typical 0.34 ac) and it is newer than almost none of them (1959 against a typical 2002). Measured against all of Gwinnett County, it is worth more than 51% 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 640 Rock Springs Rd, Grayson, GA?

The 2025 property tax bill for 640 Rock Springs Rd, Grayson, GA was $3,271. The county assessed it at $89,640.

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