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Area data

Isle of Palms, SC — ZIP 29451

Population: 4,362 (Census ACS)

The typical home value in ZIP 29451 (Isle of Palms, SC) is $1.72M — up 8.6% over the past year. Homes sell for a median $1.63M after a median 77 days on market. Typical rent runs $11,500/month. FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively High, with coastal flooding, hurricane, earthquake the top-rated hazards. Cost of living is 6.3% below the US average (BEA, metro/state-level).

Backed by 25+ public sourcesFEMA · U.S. Census · NOAA · Dept. of Education · EPA · and more

$1.72M

Typical home value

+8.6%

1-year change

77

Median days on market

Relatively High

Hazard risk (county)

Home values & appreciation

Typical home value
$1.72M
1-year appreciation
+8.6%
3-year appreciation
+15.1%
5-year appreciation
+55.0%
10-year appreciation
+151.6%
Peak value since 2000 (Aug 2026)
$1.72M
House Price Index (state)
453.0 (+2.3% YoY)

Sources: home value index (ZIP-level) · FHFA House Price Index (state-level)

Market activity

Median sale price
$1.63M
Median list price
$2.20M
Median price per sqft
$976
1-year sale-price change
-24.4%
Median days on market
77 days
Homes sold (recent period)
57
For-sale inventory
109
Sale-to-list ratio
95.6%
Active listings
102
1-year forecast
+2.7%
New listings (monthly)
14

Source: recent area sales and market data (ZIP-level)

Rents

Typical rent
$11,500/mo
Studio fair-market rent
$1,661/mo
1BR fair-market rent
$1,731/mo
2BR fair-market rent
$1,884/mo
3BR fair-market rent
$2,336/mo
4BR fair-market rent
$2,687/mo

Sources: market rent index (ZIP-level) · HUD Fair Market Rents (metro/county-level, 40th-percentile regulatory reference)

Affordability

Cost of living index (Below Average)
93.7 (100 = US avg)
Electricity rate (state-level)
15.0¢/kWh
Natural gas rate (state-level)
$16.90/MCF
30-year mortgage rate (national)
7.40%
15-year mortgage rate (national)
6.73%

Sources: BEA Regional Price Parities (metro/state-level) · EIA energy rates (state-level) · Freddie Mac PMMS (national)

Natural hazards & flood risk

Overall hazard risk (county)
Relatively High
Top hazards (county)
coastal flooding, hurricane, earthquake, ice storm, lightning
Notable hazard ratings (county)
hurricane: Very High · coastal flooding: Very High · ice storm: Relatively High · lightning: Relatively High · earthquake: Relatively High · tornado: Relatively Moderate
Most common flood zone among NFIP claims
Zone AE
NFIP flood claims on record
2,691
Wildfire risk to homes (county)
Higher than 88% of US counties
Buildings in wildfire direct-exposure zone
37.0%
Radon potential (county)
Low radon potential — EPA Zone 3 of 3
EPA Superfund (NPL) sites within 5 mi
None
Nearest Superfund site
Macalloy Corporation (11.5 mi)
Flood zones vary by property. Look up a specific address on the FEMA Flood Map Service Center.
EPA recommends radon testing for every home regardless of zone.

Sources: FEMA National Risk Index (county-level) · FEMA NFIP flood-insurance claims (ZIP-level) · USDA Forest Service Wildfire Risk to Communities (county-level) · EPA radon zones + Superfund NPL

Climate (30-year normals)

Average annual temperature
79.0°F
Average high
80.0°F
Average low
78.0°F
Annual precipitation
52.4 in
USDA plant hardiness zone
9a (extreme annual low 20 to 25°F)

Sources: NOAA Climate Normals (30-year, nearest-station) · USDA Plant Hardiness Zone Map (2023)

Air quality

Air quality rating
Good
Median AQI (annual)
47
Days with Good air quality
222
Days with Moderate air quality
142
Highest AQI recorded (year)
105

Source: EPA annual air quality index (county-level)

Walkability & transit

Walkability index
9.2 / 20
Transit service frequency
-99,999
Jobs reachable by car (30 min)
28,717
Jobs reachable by transit (45 min)
22,134

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
2
Nearest national park
Charles Pinckney National Historic Site (4 mi)
National parks include
Charles Pinckney National Historic Site, Fort Sumter and Fort Moultrie National Historical Park
Airports within 30 mi
9
Nearest airport
Raven's Run Airport (3 mi)
Nearest major airport
Charleston International Airport (CHS) (17 mi)
Hospitals in or near this ZIP
10
Hospitals include
MUSC MEDICAL CENTER, TIDELANDS GEORGETOWN MEMORIAL HOSPITAL, BON SECOURS-ST FRANCIS XAVIER HOSPITAL
Avg hospital rating (CMS)
3.7 / 5
Best hospital rating nearby (CMS)
5.0 / 5
Solar radiation rating
Good (4.8 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data (same ZIP, else within ~40 mi) · DOE/NREL (proximity-based)

Migration

Net migration (county)
+1,040 tax filers

Source: IRS SOI county-to-county migration (county-level; published with a multi-year lag)

Housing stock

Median year housing built
1986
Housing built before 1970
16.7%
Housing built 2000 or later
19.4%
Median annual property tax
$3,480
Mean commute to work
18 min
Households with broadband internet
77.6%

Source: Census ACS 5-year estimates (ZIP-level)

Employment & development

Total county employment
232,587
Average weekly wage
$1,362
Top industries (by employment)
Accommodation & Food, Health Care, Professional Services
Annual residential building permits (county)
3,392

Sources: BLS QCEW (county-level) · Census Building Permits (county-level)

How it compares

ZIP 29451State medianUS median
Typical home value$1.72M$229,613$288,527
Median sale price$1.63M$290,675$325,000
Median days on market77 days80 days51 days
Typical rent$11,500/mo$1,646/mo$1,809/mo
Median annual property tax$3,480$845$2,006

State and US medians are computed across all US ZIP codes with sufficient public-data coverage, from the same sources as the figures above.

Area data compiled from public government, academic, and industry research feeds. Data sources →

Common questions

What is the typical home value in ZIP 29451?
$1.72M.
What is the median sale price in ZIP 29451?
$1.63M.
How long do homes take to sell in ZIP 29451?
Median days on market: 77 days.
What is typical rent in ZIP 29451?
Typical rent: $11,500/month.
What is the natural-hazard risk in ZIP 29451?
Overall risk: Relatively High (FEMA NRI, county-level). Top hazards: coastal flooding, hurricane, earthquake, ice storm, lightning.
Is ZIP 29451 in a flood zone?
Flood zones vary by property within ZIP 29451. 2,691 FEMA flood-insurance (NFIP) claims are on record; the most common zone among them is AE. Check a specific address on the FEMA Flood Map Service Center.
What is the wildfire risk in ZIP 29451?
Risk to homes is higher than 88% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in ZIP 29451?
Low radon potential — EPA Zone 3 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near ZIP 29451?
No current or proposed National Priorities List sites within 5 miles (EPA).
Is ZIP 29451 walkable?
Walkability index: 9.2/20 (EPA Smart Location Database).
What is the air quality in ZIP 29451?
Good. Median AQI: 47. (EPA AQI).
What is the cost of living in ZIP 29451?
Regional Price Parity: 93.7 (100 = US average) (Below Average) (BEA RPP, metro/state-level).

Nearby ZIP codes

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Data last updated

Most recent source refresh: Oct 2026. See all data sources →

Data compiled by REAIGENT7 — AI listing platform for real estate agents