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Single Family ResidenceResidential
$830,102$401 / 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 95How 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 $490,000 on May 4, 2021

1421 TOPAZ DR

MOUNT PLEASANT, SC 29466
4
Beds
3 / 1
Baths
2,070 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$830K
$788K low$872K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$490,000 · May 4, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,979 (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.$19,600 (2024)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$19,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$490,000

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.96 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.45%

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
CountyCharleston
Lot (acres)The size of the land the home sits on, from county records.0.20
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.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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.Porch · 202 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
Mamie P. Whitesides Elementary SchoolA
Elementary · Grades PK–5 · 1.7 mi
M
Moultrie Middle SchoolA+
Middle · Grades 6–8 · 4.2 mi
H
Wando High SchoolA+
High · Grades 9–12 · 5.1 mi

District: Charleston County School District

Neighborhood · ZIP 29466These 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.35
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.328

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.43,140
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,077 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$124,873
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$163,109
Average tempThe average temperature here across a full year.66°F
Annual precipHow much rain and melted snow falls here in a typical year.50 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

1421 Topaz Dr 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 66% of homes in Charleston County
  • Costs more per square foot than 71% of homes in Mount Pleasant 29466
  • Smaller than 65% of homes in Mount Pleasant 29466
  • Older than 94% of homes in Mount Pleasant 29466

What homes are worth in Mount Pleasant 29466

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

This home
$312K$2.2M

This home is worth more than 49% of homes in Mount Pleasant 29466.

How it measures up in Mount Pleasant 29466

The dot is this home. The mark in the middle is the typical home in Mount Pleasant 29466.

Estimated value$830,102
CheaperTypical $844,968Pricier

Pricier than 49% of homes nearby

Price per ft²$401
CheaperTypical $364Pricier

Pricier than 71% of homes nearby

Living area2,070 ft²
SmallerTypical 2,416 ft²Bigger

Bigger than 35% of homes nearby

Lot size0.2 ac
SmallerTypical 0.23 acBigger

Bigger than 43% of homes nearby

Year built1990
OlderTypical 2004Newer

Newer than 6% of homes nearby

How 1421 Topaz Dr ranks against every home in each area.
MeasureThis homeMount Pleasant 29466Charleston County
Estimated valuepricier than$830,10249% of homes66% of homes
Price per ft²pricier than$40171% of homes61% of homes
Living areabigger than2,070 ft²35% of homes65% of homes
Lot sizebigger than0.2 ac43% of homes39% of homes
Year builtnewer than19906% of homes51% of homes

About 1421 Topaz Dr

How much is 1421 Topaz Dr, Mount Pleasant, SC worth?

The TopHap Estimate for 1421 Topaz Dr, Mount Pleasant, SC is $830,102 as of Sep 24, 2026. The likely range is $788,165 to $872,039. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1421 Topaz Dr, Mount Pleasant, SC last sell?

1421 Topaz Dr, Mount Pleasant, SC last sold on May 4, 2021 for $490,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 1421 Topaz Dr, Mount Pleasant, SC?

1421 Topaz Dr, Mount Pleasant, SC has 4 bedrooms, 3 bathrooms, 2,070 square feet of living space and a 0.20-acre lot.

When was 1421 Topaz Dr, Mount Pleasant, SC built?

1421 Topaz Dr, Mount Pleasant, SC was built in 1990, making it 36 years old. The building has 2 stories.

What schools serve 1421 Topaz Dr, Mount Pleasant, SC?

1421 Topaz Dr, Mount Pleasant, SC is assigned to Mamie P. Whitesides Elementary School (elementary), rated A; Moultrie Middle School (middle), rated A+; Wando High School (high), rated A+. All sit in Charleston County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1421 Topaz Dr, Mount Pleasant, SC compare to other homes in Mount Pleasant 29466?

Among the 17,174 homes in Mount Pleasant 29466, it is worth more than 49% of them ($830,102 against a typical $844,968), its price per square foot is higher than 71% of them ($401 against a typical $364), it is bigger than 35% of them (2,070 ft² against a typical 2,416 ft²), its lot is bigger than 43% of them (0.2 ac against a typical 0.23 ac) and it is newer than 6% of them (1990 against a typical 2004). Measured against all of Charleston County, it is worth more than 66% 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 1421 Topaz Dr, Mount Pleasant, SC?

The 2024 property tax bill for 1421 Topaz Dr, Mount Pleasant, SC was $1,979. The county assessed it at $19,600.

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