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Single Family ResidenceResidential
$493,181$149 / 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 Aug 30, 2026
Last sold for $396,400 on Jul 15, 2020

312 ONYX DR

MCDONOUGH, GA 30252
5
Beds
4
Baths
3,313 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.
0.9 ac
Lot SizeThe size of the land the home sits on, from county records.
2020
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$493K
$461K low$525K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$396,400 · Jul 15, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,053 (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.$209,640 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$26,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$183,640
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$225,160
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$524,100

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.49
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
17
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
90
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
93
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
38
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
CountyHenry
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.Brick (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Central
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, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(6)

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
Timber Ridge Elementary SchoolA-
Elementary · Grades KG–5 · 2.9 mi
M
Union Grove Middle SchoolA-
Middle · Grades 6–8 · 3.6 mi
H
Union Grove High SchoolB+
High · Grades 9–12 · 3.8 mi

District: Henry County School District

Neighborhood · ZIP 30252These 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.64
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.49

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.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.55,740
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.600 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$109,706
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$125,801
Average tempThe average temperature here across a full year.62°F
Annual precipHow much rain and melted snow falls here in a typical year.50 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

312 Onyx 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 more than 90% of homes in Henry County
  • Costs less per square foot than 65% of homes in McDonough 30252
  • Bigger than 89% of homes in Henry County
  • Has a bigger lot than 82% of homes in Henry County
  • Newer than 94% of homes in McDonough 30252

What homes are worth in McDonough 30252

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

This home
$205K$712K

This home is worth more than 79% of homes in McDonough 30252.

How it measures up in McDonough 30252

The dot is this home. The mark in the middle is the typical home in McDonough 30252.

Estimated value$493,181
CheaperTypical $375,194Pricier

Pricier than 79% of homes nearby

Price per ft²$149
CheaperTypical $160Pricier

Pricier than 35% of homes nearby

Living area3,313 ft²
SmallerTypical 2,387 ft²Bigger

Bigger than 83% of homes nearby

Lot size0.9 ac
SmallerTypical 0.28 acBigger

Bigger than 68% of homes nearby

Year built2020
OlderTypical 2002Newer

Newer than 94% of homes nearby

How 312 Onyx Dr ranks against every home in each area.
MeasureThis homeMcDonough 30252Henry County
Estimated valuepricier than$493,18179% of homes90% of homes
Price per ft²pricier than$14935% of homes53% of homes
Living areabigger than3,313 ft²83% of homes89% of homes
Lot sizebigger than0.9 ac68% of homes82% of homes
Year builtnewer than202094% of homes92% of homes

About 312 Onyx Dr

How much is 312 Onyx Dr, Mcdonough, GA worth?

The TopHap Estimate for 312 Onyx Dr, Mcdonough, GA is $493,181 as of Aug 30, 2026. The likely range is $460,925 to $525,437. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 312 Onyx Dr, Mcdonough, GA last sell?

312 Onyx Dr, Mcdonough, GA last sold on Jul 15, 2020 for $396,400, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 312 Onyx Dr, Mcdonough, GA?

312 Onyx Dr, Mcdonough, GA has 5 bedrooms, 4 bathrooms and 3,313 square feet of living space.

When was 312 Onyx Dr, Mcdonough, GA built?

312 Onyx Dr, Mcdonough, GA was built in 2020, making it 6 years old. The building has 2 stories.

What schools serve 312 Onyx Dr, Mcdonough, GA?

312 Onyx Dr, Mcdonough, GA is assigned to Timber Ridge Elementary School (elementary), rated A-; Union Grove Middle School (middle), rated A-; Union Grove High School (high), rated B+. All sit in Henry County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 312 Onyx Dr, Mcdonough, GA compare to other homes in McDonough 30252?

Among the 17,947 homes in McDonough 30252, it is worth more than 79% of them ($493,181 against a typical $375,194), its price per square foot is higher than 35% of them ($149 against a typical $160), it is bigger than 83% of them (3,313 ft² against a typical 2,387 ft²), its lot is bigger than 68% of them (0.9 ac against a typical 0.28 ac) and it is newer than 94% of them (2020 against a typical 2002). Measured against all of Henry County, it is worth more than 90% 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 312 Onyx Dr, Mcdonough, GA?

The 2025 property tax bill for 312 Onyx Dr, Mcdonough, GA was $7,053. The county assessed it at $209,640.

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