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Single Family ResidenceResidential
$337,399$309 / 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 88How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

18 PRATT ST

CHARLESTON, SC 29407
3
Beds
1
Baths
1,092 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1971
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$337K
$298K low$377K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$489 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$2,750 (2024)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$2,750
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$178,600

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.51 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.85%

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
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyCharleston
Lot (acres)The size of the land the home sits on, from county records.0.17
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Shed · 154 ft²Porch · 45 ft²

Transaction History(2)

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
Stono Park Elementary School
Elementary · Grades PK–5 · 1.1 mi
H
West Ashley High SchoolC+
High · Grades 9–12 · 4.0 mi
M
C. E. Williams Middle SchoolB+
Middle · Grades 6–8 · 4.1 mi

District: Charleston County School District

Neighborhood · ZIP 29407These 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.106
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.349

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.37,520
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,108 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,865
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$108,457
Average tempThe average temperature here across a full year.66°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.63%

Owner Tools

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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

18 Pratt St 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 89% of homes in Charleston 29407
  • Costs less per square foot than 78% of homes in Charleston 29407
  • Smaller than 83% of homes in Charleston County
  • Has a smaller lot than 85% of homes in Charleston 29407
  • Older than 72% of homes in Charleston County

What homes are worth in Charleston 29407

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

This home
$215K$1.9M

This home is worth more than 11% of homes in Charleston 29407.

How it measures up in Charleston 29407

The dot is this home. The mark in the middle is the typical home in Charleston 29407.

Estimated value$337,399
CheaperTypical $579,231Pricier

Pricier than 11% of homes nearby

Price per ft²$309
CheaperTypical $359Pricier

Pricier than 22% of homes nearby

Living area1,092 ft²
SmallerTypical 1,563 ft²Bigger

Bigger than 19% of homes nearby

Lot size0.17 ac
SmallerTypical 0.26 acBigger

Bigger than 15% of homes nearby

Year built1971
OlderTypical 1964Newer

Newer than 65% of homes nearby

How 18 Pratt St ranks against every home in each area.
MeasureThis homeCharleston 29407Charleston County
Estimated valuepricier than$337,39911% of homes18% of homes
Price per ft²pricier than$30922% of homes37% of homes
Living areabigger than1,092 ft²19% of homes17% of homes
Lot sizebigger than0.17 ac15% of homes28% of homes
Year builtnewer than197165% of homes28% of homes

About 18 Pratt St

How much is 18 Pratt St, Charleston, SC worth?

The TopHap Estimate for 18 Pratt St, Charleston, SC is $337,399 as of Oct 21, 2026. The likely range is $298,192 to $376,606. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 18 Pratt St, Charleston, SC?

18 Pratt St, Charleston, SC has 3 bedrooms, 1 bathrooms, 1,092 square feet of living space and a 0.17-acre lot.

When was 18 Pratt St, Charleston, SC built?

18 Pratt St, Charleston, SC was built in 1971, making it 55 years old. It is a ranch home. The building has 1 story.

What schools serve 18 Pratt St, Charleston, SC?

18 Pratt St, Charleston, SC is assigned to Stono Park Elementary School (elementary); West Ashley High School (high), rated C+; C. E. Williams Middle School (middle), rated B+. All sit in Charleston County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Pratt St, Charleston, SC compare to other homes in Charleston 29407?

Among the 12,240 homes in Charleston 29407, it is worth more than 11% of them ($337,399 against a typical $579,231), its price per square foot is higher than 22% of them ($309 against a typical $359), it is bigger than 19% of them (1,092 ft² against a typical 1,563 ft²), its lot is bigger than 15% of them (0.17 ac against a typical 0.26 ac) and it is newer than 65% of them (1971 against a typical 1964). Measured against all of Charleston County, it is worth more than 18% 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 18 Pratt St, Charleston, SC?

The 2024 property tax bill for 18 Pratt St, Charleston, SC was $489. The county assessed it at $2,750.

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Assigned schools

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