Building permits, zoning and land rules in Orangeburg County, South Carolina

Yes. Orangeburg County requires a permit to construct, enlarge, renovate or move a structure, change its occupancy, or install or replace regulated electrical, gas, mechanical or plumbing systems¹. Ordinary repairs and listed minor work are exempt, but installing or replacing a manufactured home requires a permit regardless of installation cost¹. The county enforces South Carolina's mandatory building codes in unincorporated areas^9,10. For work requiring inspection, the published fee starts at $50 for valuation of $1,000 or less, then adds $5 for each additional $1,000 or fraction¹¹.

Orangeburg County Permits & Inspections handles building permits and inspections, while the Zoning Department provides zoning-review, zoning-compliance, amendment, appeal and related application forms^3,9. For a new home, the county calls for construction plans, a site plan, the building-permit application, sewer or wastewater documentation and energy information; an owner applying as builder also submits the owner-builder disclosure¹². The published material does not establish every permit type's complete sequence, so use each department's county webpage to confirm the current checklist. For septic questions, contact SCDES at 2600 Bull St., Columbia, South Carolina 29201, by phone at 803-898-3432 or by email at info@des.sc.gov².

Yes. Orangeburg County administers zoning districts, district boundaries, density, building height, building and land use, and yard sizes within the county's zoning jurisdiction³. A modular home in unincorporated Orangeburg County must comply with county zoning, setbacks, site-development, subdivision and on-site installation requirements¹³. The parcel's district matters: the Residential General district requires at least 7,500 square feet per lot, while Farm-Agricultural land proposed for subdivision has a one-acre minimum unless a variance is approved^4,5. Setbacks, building-height limits and impervious-surface requirements are district-specific, so ask the Zoning Department for the applicable schedule before fixing a house location or buying a narrow lot^3,4,13. We could not confirm whether county zoning applies inside incorporated municipalities, a countywide minimum dwelling size or a complete accessory-dwelling rule; ask the Zoning Department about the parcel's jurisdiction and district.

SCDES, not Orangeburg County, approves and permits a septic system for a home or manufactured home where public or community sewer is unavailable². Orangeburg County cannot issue the building permit until SCDES issues the septic permit; the application fee is $150, and a Permit to Construct is valid for five years before renewal or modification requires a new application and fee². Before covering a new system, the installer must schedule an SCDES inspection; if the inspector does not arrive within 30 minutes of the scheduled time, a licensed installer may self-inspect and submit the approved final-inspection form¹⁴. Only 12.2% of surveyed Orangeburg County soils lack a severe limitation for a conventional drain field, so make the site evaluation an early purchase contingency rather than assuming a standard system will fit¹⁵.

Orangeburg County's guidance says RVs are not intended as full-time residences and allows them only in approved RV parks or on an approved un-zoned parcel; seasonal placement also requires zoning approval⁶. For a site-built tiny house of 400 square feet or less, submit a residential permit application and drawings that meet the county's new-home plan requirements⁶. Permanent off-site-built tiny homes must follow the applicable modular or open-construction approval and inspection path, while seasonal units face the RV placement limits⁶. These rules make the parcel's zoning status and the unit's construction classification decisive, so take both to the Zoning Department before ordering a unit. We could not confirm a broader temporary-camping rule for private land.

1. Identify the parcel's zoning district and confirm its allowed use, lot size, setbacks, height and impervious-surface limit with the Zoning Department^3,4,5,13.
2. If a land division is involved, complete Orangeburg County's subdivision review before relying on the new lot for a permit¹⁶.
3. Establish wastewater service: the residential application requires a sewer tap receipt, willingness-to-serve letter, SCDES permit to construct or verification of an existing disposal system¹.
4. Submit the plans, site plan, application, wastewater document and energy information; calculate an initial fee estimate from the county schedule and confirm it with Permits & Inspections^11,12.
5. If acting as owner-builder, appear and sign personally, supervise the work, use licensed or registered people where required and promptly record the required notice⁷.
6. Complete required building and septic inspections^9,14. For a certified modular unit in unincorporated Orangeburg County, the certificate of occupancy requires proof that a currently licensed general or residential contractor installed the unit and that it passed the applicable inspection¹³.

Zoning: confirm the district, permitted use, setbacks and height standards before choosing a building site^3,13. Wastewater: only 12.2% of surveyed soils lack severe limits for a conventional drain field, and SCDES cannot issue an onsite-wastewater permit where public sewer is accessible^15,17. Water: individual residential and irrigation wells require completion of the statewide Notice of Intent process and payment of the applicable fee before construction⁸. Access: SCDOT provides a qualifying residential parcel with a single all-weather driveway within a state-highway right-of-way when access is not hazardous, but we could not confirm Orangeburg County's rule for a county road¹⁸. Taxes: the effective property-tax rate is about 0.7%, and the median annual bill is about $724¹⁵.