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Rural ResidenceResidential
$114,660$84 / 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 86How 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

128 DUNCAN AVE

BUFFALO, SC 29321
1.5
Baths
1,373 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.
13 ac
Lot SizeThe size of the land the home sits on, from county records.
1
StoriesHow many floors the home has above ground.

Valuation

$115K
$98K low$131K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,747 (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.$5,520 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$390
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$5,130
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$92,190
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$209,200

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.65
98
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
15
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
83
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
94
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
37
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.158 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.Rural Residence
CountyUNION
Lot (acres)The size of the land the home sits on, from county records.13.00
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Buffalo Elementary School
Elementary · Grades PK–5 · 1.1 mi
H
Union County High SchoolD-
High · Grades 9–12 · 4.4 mi
M
Sims Middle SchoolB+
Middle · Grades 6–8 · 4.9 mi

District: Union County School District

Neighborhood · ZIP 29321These 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.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.99

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.27%
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.2,034
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.53 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$41,337
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$54,880
Average tempThe average temperature here across a full year.60°F
Annual precipHow much rain and melted snow falls here in a typical year.49 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

128 Duncan 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 65% of homes in Union County
  • Costs less per square foot than 72% of homes in Union County
  • Has a bigger lot than 89% of homes in Union County

What homes are worth in Buffalo 29321

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

This home
$37K$538K

This home is worth more than 43% of homes in Buffalo 29321.

How it measures up in Buffalo 29321

The dot is this home. The mark in the middle is the typical home in Buffalo 29321.

Estimated value$114,660
CheaperTypical $134,463Pricier

Pricier than 43% of homes nearby

Price per ft²$84
CheaperTypical $104Pricier

Pricier than 36% of homes nearby

Living area1,373 ft²
SmallerTypical 1,216 ft²Bigger

Bigger than 64% of homes nearby

Lot size13 ac
SmallerTypical 3.3 acBigger

Bigger than 86% of homes nearby

How 128 Duncan Ave ranks against every home in each area.
MeasureThis homeBuffalo 29321Union County
Estimated valuepricier than$114,66043% of homes35% of homes
Price per ft²pricier than$8436% of homes28% of homes
Living areabigger than1,373 ft²64% of homes60% of homes
Lot sizebigger than13 ac86% of homes89% of homes

About 128 Duncan Ave

How much is 128 Duncan Ave, Buffalo, SC worth?

The TopHap Estimate for 128 Duncan Ave, Buffalo, SC is $114,660 as of Sep 24, 2026. The likely range is $98,137 to $131,183. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 128 Duncan Ave, Buffalo, SC last sell?

128 Duncan Ave, Buffalo, SC last sold on Mar 18, 1992, according to the county's recorded deed.

How big is 128 Duncan Ave, Buffalo, SC?

128 Duncan Ave, Buffalo, SC has 1.5 bathrooms, 1,373 square feet of living space and a 13.00-acre lot.

What schools serve 128 Duncan Ave, Buffalo, SC?

128 Duncan Ave, Buffalo, SC is assigned to Buffalo Elementary School (elementary); Union County High School (high), rated D-; Sims Middle School (middle), rated B+. All sit in Union County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 128 Duncan Ave, Buffalo, SC compare to other homes in Buffalo 29321?

Among the 1,293 homes in Buffalo 29321, it is worth more than 43% of them ($114,660 against a typical $134,463), its price per square foot is higher than 36% of them ($84 against a typical $104), it is bigger than 64% of them (1,373 ft² against a typical 1,216 ft²) and its lot is bigger than 86% of them (13 ac against a typical 3.3 ac). Measured against all of Union County, it is worth more than 35% 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 128 Duncan Ave, Buffalo, SC?

The 2025 property tax bill for 128 Duncan Ave, Buffalo, SC was $1,747. The county assessed it at $5,520.

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