Do I need a permit for hvac replacement or installation in Richland County (Unincorporated)?
Yes. In South Carolina, hvac replacement or installation generally requires a permit, and Richland County (Unincorporated) is no exception.
A like-for-like air conditioner or furnace change-out still requires a mechanical permit in South Carolina jurisdictions, even though it feels like a simple swap. Sizing should follow a proper load calculation. An oversized unit can be flagged and creates comfort and humidity problems. County Code Sec. 6-43 requires a separate permit for each installation of electrical, gas, plumbing, or other apparatus regulated by the building chapter, and Sec. 6-140 applies the adopted 2021 South Carolina Mechanical Code to replacements of mechanical equipment. County Code Sec. 6-65 requires anyone in the HVAC installation business to pay the county license tax before doing that work. Licensed contractors apply through Richland County eTrakit; homeowners apply in person at the permitting counter.
Documents you may need
- Mechanical permit applicationRequired
- Equipment specifications for the new systemRequired
- Licensed mechanical or HVAC contractor information or owner-builder affidavitRequired
- Mechanical permit pulled by a licensed HVAC contractor or qualifying homeownerLikely required
Possible inspections
- Mechanical rough inspection of ductwork or connections when applicable
- Electrical inspection if the electrical circuit or disconnect is changed
- Final mechanical inspection
- Mechanical inspection
- Final inspection
Frequently asked questions
- Do I need a permit for hvac replacement or installation in Richland County (Unincorporated)?
- Yes. In South Carolina, hvac replacement or installation generally requires a permit, and Richland County (Unincorporated) is no exception. The documents and inspections sections on this page list what the building department typically asks for.
- Who issues the permit in Richland County (Unincorporated)?
- The local building department for Richland County (Unincorporated) handles permitting. This page lists its contact details and online portal. Your mailing city is not always the permitting authority, so confirm the jurisdiction before you apply.
- How do I find out the exact requirements for my project?
- Run the free PermitRoadmap check for your specific project and answers. It returns the likely permits, documents, inspections, and next steps, each linked to its official source.
PermitRoadmap is an independent informational service and is not affiliated with any city, county, state agency, or permitting authority. Results are informational and do not replace confirming requirements with the local permitting authority.