Fairfield County, SC - 2026 Building Permit Guide

Permit Authority

All unincorporated areas of Fairfield County, South Carolina.

Department

Fairfield County Planning, Building and Zoning Division

Address

100 South Congress Street, Winnsboro, SC 29180

Phone

(803) 712-6596

Website

https://www.fairfieldsc.com/departments/community-development/building-division

Online Permit Portal

Application Process

1. Obtain Certificate of Zoning Compliance from Fairfield County Planning and Zoning Division.
2. If property uses septic system, obtain SC DHEC Permit to Construct for onsite wastewater system before building permit application.
3. For projects disturbing 1+ acre, determine NPDES stormwater permit requirement via SC DHEC.
4. Complete Building Permit Application form and prepare required documents per residential or commercial checklist.
5. Submit application, plans, and Certificate of Zoning Compliance in person at 100 South Congress Street, Winnsboro.
6. Pay application fee based on construction valuation.
7. County reviews plans (typically 5-10 business days).
8. Permit issued; contractor must have active SC contractor license if applicable.
9. Notify county for required inspections (foundation, framing, mechanical, electrical, final) before covering work.

Typical processing time: 5-10 business days for plan review; varies based on project complexity and requirement for DHEC coordination.

Source: Fairfield County Planning, Building and Zoning Division

General Requirements

A building permit is required for all new construction and substantial alterations in unincorporated Fairfield County.

Required Documents

• Completed Building Permit Application form
• Certificate of Zoning Compliance
• Construction plans and specifications
• Site plan showing property boundaries and proposed structure location
• Itemized project scope and construction valuation
• SC DHEC Permit to Construct (for properties using septic systems)
• NPDES Stormwater permit or determination (for projects disturbing 1+ acre)

Permit validity

Permit is void if construction not started within six (6) months of application. Work must be completed within permit timeframe.

Building code

South Carolina IBC and IRC 2021 with SC amendments (2024 adoption cycle in progress)

Owner-builder

Owner-builder exemption applies to owner-occupied residential properties for exempt improvements; licensed contractor required for other work.

Contractor requirements

General contractors on commercial projects exceeding $5,000 must hold active SC general or mechanical contractor license. License valid 2 years with 2-year work experience required.

Fees

Minimum permit fee

$15

Permit fee formula

$15 + $5 per $1,000 valuation ($1,000-$50,000); $260 + $4 per $1,000 above $50,000 ($50,001-$100,000); $460 + $3 per $1,000 above $100,000 ($100,001-$500,000); $1,660 + $2 per $1,000 and fraction thereof ($500,001+)

Reinspection fee

$50 first re-inspection; subsequent re-inspections double the prior fee

Payment note

Payment due at time of application; contact county for accepted payment methods.

Fees change. Verify current amounts at the official fee schedule (effective 2025).

Work That Does NOT Require a Permit

• One-story detached accessory structures 200 sq. ft. or less
• Retaining walls 4 feet or less in height (unless supporting surcharge)
• Water tanks on grade 5,000 gallons capacity or less
• Window awnings projecting 54 inches or less
• Decks 200 sq. ft. or less and 30 inches or less above grade
• Plumbing repairs: stopping leaks in drains, water, soil, waste, or vent pipes; clearing stoppages; removal/reinstallation of water closets without rearrangement of valves/fixtures
• HVAC/equipment: steam or hot/chilled-water piping within equipment; replacement of minor parts not affecting equipment approval; self-contained refrigeration 10 lbs. refrigerant or less

Important: Exempt from building permit does not mean exempt from zoning and planning requirements. Confirm edge cases with Fairfield County Building Division before proceeding.

Inspections

How to Schedule

• (803) 712-6596 (phone)

Inspection hours

Monday-Friday, business hours (verify with county)

Typical inspection sequence: Typical sequence: Foundation (before grade beam/footing covered), Framing (before drywall/insulation), Plumbing rough-in, Mechanical rough-in (HVAC/ductwork), Electrical rough-in, Final inspection (after substantial completion). Additional inspections may be required for septic systems (SC DHEC inspector) and stormwater erosion control (NPDES/MS4 authority).

Additional Resources

• Building code: South Carolina IBC and IRC 2021 with SC amendments (2024 adoption cycle in progress)
• Verify contractor license: SC Contractor's Licensing Board - License Lookup
• Zoning information: View zoning info
• SC Contractor's Licensing Board
• SC Building Codes Council
• SC DHEC - Onsite Wastewater (Septic) Systems
• SC DHEC - NPDES Stormwater Permits
• License lookup guide: South Carolina Contractor License Requirements
• Contract template: South Carolina Homeowner-Contractor Agreement
• South Carolina hub: South Carolina Contractor License & Permit Hub

Frequently Asked Questions

Fairfield County Building Permit FAQ

Do I need a building permit in unincorporated Fairfield County, SC?

A building permit is required for all new construction and substantial alterations in unincorporated Fairfield County.

How much does a building permit cost in unincorporated Fairfield County, SC?

The minimum permit fee is $15. Fees are calculated as: $15 + $5 per $1,000 valuation ($1,000-$50,000); $260 + $4 per $1,000 above $50,000 ($50,001-$100,000); $460 + $3 per $1,000 above $100,000 ($100,001-$500,000); $1,660 + $2 per $1,000 and fraction thereof ($500,001+).

How do I apply for a building permit in unincorporated Fairfield County, SC?

1. Obtain Certificate of Zoning Compliance from Fairfield County Planning and Zoning Division. 2. If property uses septic system, obtain SC DHEC Permit to Construct for onsite wastewater system before building permit application. 3. For projects disturbing 1+ acre, determine NPDES stormwater permit requirement via SC DHEC. 4. Complete Building Permit Application form and prepare required documents per residential or commercial checklist. 5. Submit application, plans, and Certificate of Zoning Compliance in person at 100 South Congress Street, Winnsboro. 6. Pay application fee based on construction valuation. 7. County reviews plans (typically 5-10 business days). 8. Permit issued; contractor must have active SC contractor license if applicable. 9. Notify county for required inspections (foundation, framing, mechanical, electrical, final) before covering work.

How long does it take to get a building permit in unincorporated Fairfield County, SC?

Typical processing time is 5-10 business days for plan review; varies based on project complexity and requirement for DHEC coordination..

What work is exempt from building permits in unincorporated Fairfield County, SC?

The following work is generally exempt: One-story detached accessory structures 200 sq. ft. or less; Retaining walls 4 feet or less in height (unless supporting surcharge); Water tanks on grade 5,000 gallons capacity or less; Window awnings projecting 54 inches or less; Decks 200 sq. ft. or less and 30 inches or less above grade; Plumbing repairs: stopping leaks in drains, water, soil, waste, or vent pipes; clearing stoppages; removal/reinstallation of water closets without rearrangement of valves/fixtures; HVAC/equipment: steam or hot/chilled-water piping within equipment; replacement of minor parts not affecting equipment approval; self-contained refrigeration 10 lbs. refrigerant or less. Note: Exempt from building permit does not mean exempt from zoning and planning requirements. Confirm edge cases with Fairfield County Building Division before proceeding.

How do I schedule a building inspection in unincorporated Fairfield County, SC?

Inspections can be scheduled via: (803) 712-6596.