Looking for an addition contractor in Isle of Palms, SC? Describe your project once and up to five addition contractors who work in Isle of Palms and Charleston County get back to you with a quote. It's free and there is no obligation.
Isle of Palms is home to about 4,377 people (2024 Census Bureau estimate), a stable community (+0.7% since 2020). With 987 people per sq mi, it is a semi-rural area. Growing families here often add space instead of moving.
Isle of Palms at a glance
- Population (Census Bureau estimate, 2024)
- 4,377 (+0.7% since 2020)
- Rank in South Carolina
- 72nd of 271 cities and towns
- Land area
- 4.4 sq mi
- Population density
- 987 people per sq mi (semi-rural)
- Type
- City (Isle of Palms city)
- Main county
- Charleston County
What to check before hiring in Isle of Palms
- Zoning: check Isle of Palms's setbacks, lot coverage and height limits first.
- License and permit: in South Carolina, additions are built by licensed contractors under a permit.
- Structure: second stories need an engineer to check the existing house.
- Price drivers: size, foundation, roof tie-in, plumbing and finishes.
Useful official resources
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ICC: International Code Council
Official information and guidance.
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NAHB
Official information and guidance.
Services available in Isle of Palms
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Room addition
Ground-floor addition with foundation, framing, roof and finishes.
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Second-story addition
New floor over the existing house, with structural engineering.
Frequently asked questions in Isle of Palms
How much does an addition cost in Isle of Palms, SC?
It depends on size, foundation and finishes. Describe your project: contractors who serve Isle of Palms reply with a quote.
How long does it take?
Often a few months, plus design and permits.
Does an addition raise property taxes?
Usually, since it increases the assessed value.
Which addition contractors will contact me?
Up to five independent addition contractors who serve Isle of Palms and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.