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Single Family ResidenceResidential
$1,131,592$256 / 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 $850,000 on Jul 22, 2022

307 RIVER RETREAT CT

MARTINEZ, GA 30907
5
Beds
6
Baths
4,412 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.
0.87 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.1M
$1.1M low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$850,000 · Jul 22, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,399 (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.$394,305 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$62,004
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$332,301
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$346,719
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$985,763

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.43
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
13
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
92
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
79
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 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
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.2011
Lot (acres)The size of the land the home sits on, from county records.0.88
ConstructionThe main material the home's frame and walls are built from.Brick
HeatingThe type of heating system in the home.None
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 · 2.1 mi
M
Stallings Island Middle SchoolB+
Middle · Grades 6–8 · 2.2 mi
H
Lakeside High SchoolA-
High · Grades 9–12 · 3.4 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

307 River Retreat 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.

  • Among the most valuable homes in Augusta 30907
  • Among the highest price per square foot in Augusta 30907
  • Bigger than 97% of homes in Augusta 30907
  • Has a bigger lot than 95% of homes in Augusta 30907
  • Newer than 93% of homes in Augusta 30907

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
$137K$909K

This home is worth more than almost all 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$1,131,592
CheaperTypical $268,802Pricier

Pricier than almost all homes nearby

Price per ft²$256
CheaperTypical $157Pricier

Pricier than almost all homes nearby

Living area4,412 ft²
SmallerTypical 1,751 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.87 ac
SmallerTypical 0.32 acBigger

Bigger than 95% of homes nearby

Year built2005
OlderTypical 1984Newer

Newer than 93% of homes nearby

How 307 River Retreat Ct ranks against every home in each area.
MeasureThis homeAugusta 30907Columbia County
Estimated valuepricier than$1,131,592almost all homesalmost all homes
Price per ft²pricier than$256almost all homes98% of homes
Living areabigger than4,412 ft²97% of homes97% of homes
Lot sizebigger than0.87 ac95% of homes82% of homes
Year builtnewer than200593% of homes62% of homes

About 307 River Retreat Ct

How much is 307 River Retreat Ct, Martinez, GA worth?

The TopHap Estimate for 307 River Retreat Ct, Martinez, GA is $1,131,592 as of Aug 30, 2026. The likely range is $1,050,605 to $1,212,579. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 307 River Retreat Ct, Martinez, GA last sell?

307 River Retreat Ct, Martinez, GA last sold on Jul 22, 2022 for $850,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 307 River Retreat Ct, Martinez, GA?

307 River Retreat Ct, Martinez, GA has 5 bedrooms, 6 bathrooms, 4,412 square feet of living space and a 0.88-acre lot.

When was 307 River Retreat Ct, Martinez, GA built?

307 River Retreat Ct, Martinez, GA was built in 2005, making it 21 years old. The building has 2 stories.

What schools serve 307 River Retreat Ct, Martinez, GA?

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

How does 307 River Retreat Ct, Martinez, GA compare to other homes in Augusta 30907?

Among the 17,978 homes in Augusta 30907, it is worth more than almost all of them ($1,131,592 against a typical $268,802), its price per square foot is higher than almost all of them ($256 against a typical $157), it is bigger than 97% of them (4,412 ft² against a typical 1,751 ft²), its lot is bigger than 95% of them (0.87 ac against a typical 0.32 ac) and it is newer than 93% of them (2005 against a typical 1984). Measured against all of Columbia County, it is worth more than almost all 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 307 River Retreat Ct, Martinez, GA?

The 2025 property tax bill for 307 River Retreat Ct, Martinez, GA was $9,399. The county assessed it at $394,305.

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