Construction Guide · I'On, SC

Building Permits & Regulations in I'On, SC: What to Know Before You Break Ground

Building in I'On means clearing two separate approvals — the Town of Mount Pleasant's building permit, and a mandatory private design review that catches many buyers by surprise.

The I'On Design Committee Comes First

The I'On Design Committee, operating under the I'On Assembly HOA, requires its own approval before the Town of Mount Pleasant will issue a building permit. Applications are due by noon the Tuesday before the Committee's biweekly first-and-third-Tuesday meetings, with a decision issued within 30 days. Once approved, construction must start within 6 months and finish within 12 — and appeals of a denial go to a separate Board of Appeals within 10 days.

What the Pattern Book Actually Locks In

I'On's guidelines require a "Lowcountry Vernacular" architectural style, an approved materials list for siding and roofing, front porches covering at least 40% of the façade width, and setbacks that vary by the property's lot type — All-Yard, Rear-Yard, or Side-Yard — with build-to-zones ranging from 0 to 25 feet. Fences are limited to 4-foot wood picket, with the finished side required to face the street.

A Real Dispute Worth Knowing About

I'On's governance isn't just paperwork — in Walbeck v. The I'On Company, the South Carolina Supreme Court awarded homeowners $1.75 million after community amenities were never properly transferred to the HOA. It's a reminder to confirm the current status of any amenity or common-area commitments directly with the HOA before you close, not just the architectural guidelines.

Planning to build or renovate in I'On and want a process built around both the Town's requirements and the Design Committee's review? Contact Chris Eller directly.