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Single Family ResidenceResidential
$191,397$169 / 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 81How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jun 23, 2026

3921 CASA ROSA AVE

MARTINEZ, GA 30907
3
Beds
2 / 1
Baths
1,134 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.
0.28 ac
Lot SizeThe size of the land the home sits on, from county records.
1962
Year BuiltThe year the home was originally built, according to county records.
1
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

$191K
$155K low$228K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$191,397
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$153,118

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,512 (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.$60,932 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$15,604
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$45,328
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$60,492
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$152,331

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.
5
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.
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.
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.1979
Lot (acres)The size of the land the home sits on, from county records.0.28
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(1)

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
Martinez Elementary SchoolA-
Elementary · Grades PK–5 · 0.6 mi
M
Lakeside Middle SchoolA-
Middle · Grades 6–8 · 1.9 mi
H
Lakeside High SchoolA-
High · Grades 9–12 · 2.1 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

3921 Casa Rosa Ave 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 less than 94% of homes in Columbia County
  • Costs more per square foot than 73% of homes in Augusta 30907
  • Smaller than 93% of homes in Augusta 30907
  • Older than 97% of homes in Columbia County

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
$133K$1M

This home is worth more than 11% 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$191,397
CheaperTypical $267,254Pricier

Pricier than 11% of homes nearby

Price per ft²$169
CheaperTypical $156Pricier

Pricier than 73% of homes nearby

Living area1,134 ft²
SmallerTypical 1,752 ft²Bigger

Bigger than 7% of homes nearby

Lot size0.28 ac
SmallerTypical 0.32 acBigger

Bigger than 38% of homes nearby

Year built1962
OlderTypical 1984Newer

Newer than 4% of homes nearby

How 3921 Casa Rosa Ave ranks against every home in each area.
MeasureThis homeAugusta 30907Columbia County
Estimated valuepricier than$191,39711% of homes6% of homes
Price per ft²pricier than$16973% of homes62% of homes
Living areabigger than1,134 ft²7% of homes8% of homes
Lot sizebigger than0.28 ac38% of homes44% of homes
Year builtnewer than19624% of homes3% of homes

About 3921 Casa Rosa Ave

How much is 3921 Casa Rosa Ave, Martinez, GA worth?

The TopHap Estimate for 3921 Casa Rosa Ave, Martinez, GA is $191,397 as of Jun 23, 2026. The likely range is $155,031 to $227,762. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 3921 Casa Rosa Ave, Martinez, GA?

3921 Casa Rosa Ave, Martinez, GA has 3 bedrooms, 2 bathrooms, 1,134 square feet of living space and a 0.28-acre lot.

When was 3921 Casa Rosa Ave, Martinez, GA built?

3921 Casa Rosa Ave, Martinez, GA was built in 1962, making it 64 years old. The building has 1 story.

What schools serve 3921 Casa Rosa Ave, Martinez, GA?

3921 Casa Rosa Ave, Martinez, GA is assigned to Martinez Elementary School (elementary), rated A-; Lakeside Middle School (middle), rated A-; 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 3921 Casa Rosa Ave, Martinez, GA compare to other homes in Augusta 30907?

Among the 17,978 homes in Augusta 30907, it is worth more than 11% of them ($191,397 against a typical $267,254), its price per square foot is higher than 73% of them ($169 against a typical $156), it is bigger than 7% of them (1,134 ft² against a typical 1,752 ft²), its lot is bigger than 38% of them (0.28 ac against a typical 0.32 ac) and it is newer than 4% of them (1962 against a typical 1984). Measured against all of Columbia County, it is worth more than 6% 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 3921 Casa Rosa Ave, Martinez, GA?

The 2025 property tax bill for 3921 Casa Rosa Ave, Martinez, GA was $1,512. The county assessed it at $60,932.

Closest homes

More homes in Martinez 30907

Assigned schools

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