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Florence County, SC Building Safety: Building Permits (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Governing section
Florence County Code § 7-11
Adopted codes
2021 SC Building/Residential/Plumbing/Mechanical codes
Enforcing department
County Building Inspection
Mobile home permit fee
$40.00, § 7-24
Trade permit fees
$20.00 each: plumbing, electrical, mechanical
Last edition update
Ord. No. 45-2022/23, Dec. 8, 2022

Summary

Florence County does not print its own permit-trigger rule; instead Code § 7-11 adopts the 2021 South Carolina Building, Residential, Plumbing, Mechanical, Fuel Gas, Fire, and Existing Building Codes' Chapter 1, Scope and Administration, for permit administration, along with the 2009 IECC and 2020 National Electric Code, both administered by county Building Inspection.

These county ordinances apply to unincorporated areas of Florence County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

Administration of the International Building Code® and the National Electrical Code® shall be as set forth in the following referenced standards: The 2021 South Carolina Building Code®, Chapter 1, Scope and Administration The 2021 South Carolina Residential Code®, Chapter 1, Scope and Administration The 2021 South Carolina Plumbing Code®, Chapter 1, Scope and Administration The 2021 South Carolina Mechanical Code®, Chapter 1, Scope and Administration The 2021 South Carolina Fuel Gas Code®, Chapter 1, Scope and Administration The 2021 South Carolina Fire Code®, Chapter 1, Scope and Administration The 2021 South Carolina Existing Building Code®, Chapter 1, Scope and Administration The 2009 International Energy Conservation Code®, Chapter 1, Scope and Administration The 2020 National Electric Code®, Article 90, Introduction

Full Breakdown

Florence County Code § 7-11, Building Code Administration, states that administration of the International Building Code and the National Electrical Code is governed by a stack of referenced state standards rather than by original county text: the 2021 South Carolina Building Code, the 2021 South Carolina Residential Code, the 2021 South Carolina Plumbing Code, the 2021 South Carolina Mechanical Code, the 2021 South Carolina Fuel Gas Code, the 2021 South Carolina Fire Code, and the 2021 South Carolina Existing Building Code, each incorporated by its Chapter 1, Scope and Administration, plus the 2009 International Energy Conservation Code Chapter 1 and the 2020 National Electric Code Article 90.

Because those referenced Scope and Administration chapters are where the trigger for when a permit is required actually lives, county Building Inspection enforces permitting under the state-adopted text rather than a locally drafted trigger clause. 00 each for the plumbing, electrical, and mechanical permits that accompany a mobile home placement. Section 7-1 separately requires every municipality within the county, for construction on real estate inside its own limits, to furnish the county tax assessor copies of all building permits it issues, tying local permitting activity back to the county's tax rolls; violating that reporting duty is a misdemeanor under § 1-13 of the county code.

Amendments to § 7-11 have kept the referenced code editions current over time, most recently updated by Ordinance No. 45-2022/23 on December 8, 2022, to adopt the 2021 state code cycle.

Violations & Fines

Chapter 7 does not itself print a fine for building without a permit; that penalty is set by the adopted 2021 South Carolina Building Code's own Scope and Administration chapter, enforced by county Building Inspection. Locally, § 7-1(b) makes a municipality's failure to furnish the county tax assessor with copies of permits it issued a misdemeanor punishable under § 1-13 of the Florence County Code.

Frequently Asked Questions

Where does Florence County's building permit requirement actually come from?
Section 7-11 does not write its own permit trigger; it adopts the 2021 South Carolina Building Code, Residential Code, Plumbing Code, Mechanical Code, Fuel Gas Code, Fire Code, and Existing Building Code by reference, each through its Chapter 1, Scope and Administration, which is where the state text spells out when a permit is required.
What does a mobile home permit cost in unincorporated Florence County?
Section 7-24, Permit Fees for Installation of Mobile Homes, sets a $40.00 mobile home permit fee, plus $20.00 each for the plumbing, electrical, and mechanical permits that go with placing the home, payable by whoever the permit is issued to.
Do municipalities inside Florence County report their own building permits to the county?
Yes. Section 7-1 requires every municipality in the county that requires permits for construction, repair, or improvement of buildings within its limits to furnish the county tax assessor copies of all permits it issues, and failing to do so is a misdemeanor under § 7-1(b).

Sources & Official References

Other rules in Florence County

All Florence County rules

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