Building Permit Costs in Charleston

Permit fees range $300–2000 depending on project scope. Learn how costs are calculated.

~8 min readCharleston Regulations

Building Permit Costs in Charleston

Permit fees vary by project scope and estimated value. Most residential permits run $300–2000. Permit costs are much smaller than the cost of unpermitted work remediation.

Typical Permit Fee Ranges

Kitchen Remodel

$800–1500 (moderate complexity)

Bathroom Renovation

$400–800 (simpler scope)

Electrical Upgrade

$100–500

Plumbing Work

$150–600

Room Addition

$1500–3000 (complex work)

Roof Replacement

$400–1000

How Permit Fees Are Calculated

Estimated Project Value

Fees are typically 1–2% of estimated construction cost.

Scope of Work

More trades (electrical + plumbing) = higher fees.

Square Footage

Additions are priced per square foot.

Complexity

Structural work costs more to permit than cosmetic.

Hidden Permitting Costs

Plan Review Fees

Separate fee if plans require additional review.

Inspection Fees

May be included or separate.

Extensions

If permit lapses, renewal fees apply.

RFI Responses

Usually no fee, but delays cost money.

Common Questions

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