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Single Family ResidenceResidential
$724,985$170 / 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 90How 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
Last sold for $408,200 on Oct 31, 2011

428 CONGRESSIONAL CT

MARTINEZ, GA 30907
5
Beds
3.5
Baths
4,266 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
2011
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$725K
$655K low$795K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$408,200 · Oct 31, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,984 (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.$254,914 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$48,404
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$206,510
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$247,989
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$637,286

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.40
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
8
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
91
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
78
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
24
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
CountyCOLUMBIA
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2014
Lot (acres)The size of the land the home sits on, from county records.0.23
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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
Stevens Creek Elementary SchoolA-
Elementary · Grades PK–5 · 1.3 mi
H
Lakeside High SchoolA-
High · Grades 9–12 · 1.6 mi
M
Stallings Island Middle SchoolB+
Middle · Grades 6–8 · 1.9 mi

District: Columbia County School District

Neighborhood · ZIP 30907These 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.96
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.66
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.89

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.6%
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.54,209
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,138 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$82,168
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$103,175
Average tempThe average temperature here across a full year.63°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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

428 Congressional Ct 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 95% of homes in Augusta 30907
  • Costs less per square foot than 92% of homes in West Lake
  • Bigger than 97% of homes in Augusta 30907
  • Has a smaller lot than 87% of homes in West Lake
  • Newer than 97% of homes in West Lake

What homes are worth in Augusta 30907

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

This home
$131K$908K

This home is worth more than 95% of homes in Augusta 30907.

How it measures up in Augusta 30907

The dot is this home. The mark in the middle is the typical home in Augusta 30907.

Estimated value$724,985
CheaperTypical $268,978Pricier

Pricier than 95% of homes nearby

Price per ft²$170
CheaperTypical $158Pricier

Pricier than 73% of homes nearby

Living area4,266 ft²
SmallerTypical 1,752 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.23 ac
SmallerTypical 0.32 acBigger

Bigger than 21% of homes nearby

Year built2011
OlderTypical 1984Newer

Newer than 96% of homes nearby

How 428 Congressional Ct ranks against every home in each area.
MeasureThis homeWest LakeAugusta 30907Columbia County
Estimated valuepricier than$724,98553% of homes95% of homes95% of homes
Price per ft²pricier than$1708% of homes73% of homes64% of homes
Living areabigger than4,266 ft²74% of homes97% of homes96% of homes
Lot sizebigger than0.23 ac13% of homes21% of homes30% of homes
Year builtnewer than201197% of homes96% of homes75% of homes

About 428 Congressional Ct

How much is 428 Congressional Ct, Martinez, GA worth?

The TopHap Estimate for 428 Congressional Ct, Martinez, GA is $724,985 as of Sep 24, 2026. The likely range is $655,074 to $794,896. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 428 Congressional Ct, Martinez, GA last sell?

428 Congressional Ct, Martinez, GA last sold on Oct 31, 2011 for $408,200, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 428 Congressional Ct, Martinez, GA?

428 Congressional Ct, Martinez, GA has 5 bedrooms, 3.5 bathrooms, 4,266 square feet of living space and a 0.23-acre lot.

When was 428 Congressional Ct, Martinez, GA built?

428 Congressional Ct, Martinez, GA was built in 2011, making it 15 years old. The building has 2 stories.

What schools serve 428 Congressional Ct, Martinez, GA?

428 Congressional Ct, Martinez, GA is assigned to Stevens Creek Elementary School (elementary), rated A-; Lakeside High School (high), rated A-; Stallings Island Middle School (middle), rated B+. All sit in Columbia County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 428 Congressional Ct, Martinez, GA compare to other homes in Augusta 30907?

Among the 17,979 homes in Augusta 30907, it is worth more than 95% of them ($724,985 against a typical $268,978), its price per square foot is higher than 73% of them ($170 against a typical $158), it is bigger than 97% of them (4,266 ft² against a typical 1,752 ft²), its lot is bigger than 21% of them (0.23 ac against a typical 0.32 ac) and it is newer than 96% of them (2011 against a typical 1984). Measured against all of Columbia County, it is worth more than 95% 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 428 Congressional Ct, Martinez, GA?

The 2025 property tax bill for 428 Congressional Ct, Martinez, GA was $1,984. The county assessed it at $254,914.

More homes on Congressional Ct

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