Sullivans Island, SC Utility & Living Guide

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Sullivans Island, SC Utility & Living Guide

Utilities, housing, taxes, cost of living, and local insights — everything residents and families need.

Last updated: June 25, 2026
Total Utilities$255/mo
1BR Rent$1200/mo
Sales Tax9%
COL Index105 (+5% above national average)
Family Score6/10
Median Home$1,200,000
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🌤️ Live Weather — Sullivans Island
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⚠️ Natural Hazard History — Sullivans Island
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💰 Budget Calculator
🔌 Utilities
🏠 Housing
📊 Cost of Living
💰 Taxes
👨‍👩‍👧 Families
🧮 Tools

Monthly Utility Costs

⚡ Electric

$120/mo

Dominion Energy
🔥 Gas

N/A - Electric only
💧 Water

$45/mo

Charleston Water System
🗑️ Garbage

$25/mo

Charleston County Environmental Management
📶 Internet

$65/mo

Combined Average Overhead$255/month

Housing Market

Rent & Property
1 Bedroom$1200/mo
2 Bedrooms$1600/mo
3 Bedrooms$2100/mo
Median Home Price$1,200,000
Property Tax Rate0.57%
Avg Childcare/mo$1000

Sullivans Island has a high-end housing market with historic homes and beachfront properties. Prices are significantly above national averages due to its desirable location.

Cost of Living

Overall COL Index

105

US national avg = 100
vs National Avg

+5% above national average

Groceries

102

Transportation

98

Healthcare

100

Childcare/mo

$1000

Tax Rates

Tax Overview
Total Sales Tax9%
Property Tax Rate0.57%
<p>State 6% + County 1% + Local 2%</p>

South Carolina has a progressive income tax rate ranging from 0% to 7%.

Family & Relocation

Family Vibe Score
6/10
Safety Index

50

Higher = safer
School Rating

6.5/10

GreatSchools avg
Avg Childcare

$1000/mo

City Pulse

Population Trend
+2% (growing)
Political Climate
Purple (mixed Republican and Democratic leanings)
Business Momentum
Moderate with key industries in tourism, real estate, and hospitality
Top Local Concerns
Beach erosion, rising property taxes, short-term rental regulations
🚌 Transit for Families

Limited public transit; car-dependent but sidewalks are well-maintained in most areas.

🎡 Top Kid Attractions
  • 🎯
    Sullivans Island Beach
  • 🎯
    Fort Moultrie
  • 🎯
    Poe's Tavern

Household Budget Calculator

Estimate your real monthly cost of living in Sullivans Island based on your household profile.

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📊 Sullivans Island — Census & Demographic Data

Official data from the US Census Bureau, American Community Survey.

☀️ Seasonal Utility Costs

Utility costs peak in summer due to high AC usage. Winter costs are lower but can spike during cold snaps.

🏛️ Local Tax Details

Key ZIP code level tax info: property tax millage rates, any local surtaxes specific to Sullivans Island county

👶 Family & Stroller Friendliness

Score 7/10: Good sidewalk quality, limited park access, no elevator access in transit, family infrastructure is average.

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