Unincorporated York County, South Carolina requires permits for construction, alterations, repairs, occupancy changes, and building systems; York County Permit Services also handles the Towns of Hickory Grove and Sharon1. County zoning applies in unincorporated areas, while South Carolina's environmental agency handles private septic permits23. Residential work proceeds through inspections and a final certificate of occupancy45.
At a glance
- Building permit
- Required for listed work in unincorporated York County and the Towns of Hickory Grove and Sharon1
- Zoning
- York County administers zoning in unincorporated areas; municipalities may have their own rules2
- Septic permit
- SCDES permit and site evaluation required where public or community sewer is unavailable36
- RV while building
- Possible with zoning approval on a qualifying parcel during construction of the owner's home7
- Tiny home
- No countywide occupancy rule confirmed; ask Planning & Development Services for the parcel and proposed structure2
- Owner-builder
- Available for a qualifying owner-occupied home, with personal supervision and recorded notice8
- Final occupancy
- Final inspection and a certificate of occupancy are required before occupying a permitted home5
Who to call
Building permits
Issues building permits and schedules inspections for unincorporated York County plus the Towns of Hickory Grove and Sharon; temporarily relocated to the county Government Center through late December 2026
6 S Congress Street, Suite 4200, York, SC 29745
Zoning
York County Planning & Development Services
Administers York County's zoning code (Chapter 155), the land development code, and the Planning Commission and Board of Zoning Appeals; Permit Services operates within this same department
18 W. Liberty Street, York, SC 29745
Septic permits
South Carolina Department of Environmental Services (SCDES)
Issues the septic (onsite wastewater) permit statewide, including for York County; this is SCDES's Columbia headquarters, not a York County office
2600 Bull St., Columbia, SC 29201
Contact details are copied from each office’s official page and were checked against it on September 29, 2026.
Do you need a building permit in York County, South Carolina?
Yes. York County requires a permit to construct, enlarge, alter, repair, move or demolish a building, change its occupancy, or install or change electrical, gas, mechanical or plumbing systems in unincorporated areas and the Towns of Hickory Grove and Sharon1. Residential construction is inspected at required stages, and the final inspection must occur before occupancy4. A permitted single-family home also needs a certificate of occupancy; private-septic approval and other required closeout documents must be in place before the final inspection is scheduled5. York County accepts residential applications and payments online, and its published review target after acceptance is 5 to 7 business days9.
Who is the York County building department, and how do you reach them?
York County Permit Services issues building permits and coordinates inspections; call 803-909-7200 or use the online permitting portal10. The office is temporarily at the Government Center, 6 S Congress Street, Suite 4200, York, SC 29745, through late December 202610. Planning and Development Services answers zoning and land-development questions at 803-909-7200 and 18 W. Liberty Street, York, SC 2974511. After permit issuance, inspections can be requested online or by phone9. Septic is handled separately by the South Carolina Department of Environmental Services, which evaluates the site, issues the permit, and conducts the final inspection312.
Does York County have zoning?
York County administers zoning and land-development rules in unincorporated areas; incorporated municipalities may administer their own zoning2. Subdivision plats in unincorporated York County are reviewed for compliance with county development regulations13. The available material does not establish one countywide minimum dwelling size, minimum lot size, setback or tiny-home rule because those answers can depend on the parcel's zoning district and proposed use. Ask Planning and Development Services to identify the district and confirm the dimensional and use rules before designing a house, placing a small dwelling, or dividing land112. Development in a floodplain or floodway also receives county review under the flood-damage-prevention ordinance, and the county can provide a flood-zone determination14.
How do septic permits work in York County?
South Carolina's Department of Environmental Services, not York County, handles onsite wastewater permits and final inspections3. First determine whether public or community sewer is available; when it is not, apply for a septic site evaluation and permit6. York County's residential application requires either the private-septic documentation or a paid public water-and-sewer tap receipt, depending on the property15. During septic installation, the installer must arrange the SCDES final inspection before covering the system; approval produces the Approval to Operate needed for residential closeout125. About 40.7% of York County soils are rated without severe limitations for a conventional drain field, so a parcel-specific evaluation matters before purchase16.
Can you live in an RV or tiny home on your land in York County?
York County may approve one RV as a temporary dwelling while the owner builds an owner-occupied detached home on a parcel of at least 1 acre7. The arrangement requires zoning approval and an active building permit, ordinarily lasts no more than 6 months, and may receive one 6-month extension for good cause; water, wastewater, temporary power, setbacks and the shared driveway must also comply7. After fire, flood or another accident makes an existing home uninhabitable, an owner repairing or rebuilding that home may seek County Council approval for one temporary emergency dwelling for up to 90 days17. At campgrounds and RV parks, visitors are limited to stays of no more than 15 days and cannot become permanent residents outside the qualifying caretaker residence18. We could not confirm general long-term RV occupancy on other private land or a countywide tiny-home occupancy rule; ask Planning and Development Services about the specific parcel and structure11.
Building a home in York County: the steps, in order
- Ask Planning and Development Services to confirm the parcel's zoning district, allowed use, setbacks and any floodplain review214.
- Confirm sewer availability; obtain an SCDES septic permit if public or community sewer is unavailable, or retain the paid water-and-sewer tap receipt615.
- Submit the residential application and payment to York County Permit Services online; accepted applications generally have a published review target of 5 to 7 business days9.
- If using the owner-builder exemption, appear personally, sign the application, supervise the project, use licensed trades where required, and record the required notice8.
- Schedule each required construction inspection online or by phone49.
- Complete the final inspection and obtain the certificate of occupancy before moving into the home5.
What to check before you buy land in York County, South Carolina
Before buying, confirm zoning, subdivision status and floodplain constraints with Planning and Development Services21314. Verify whether the parcel has public water and sewer or needs private systems; York County requires the applicable sewer-tap receipt or septic documentation with the residential permit application15. Only about 40.7% of county soils are rated without severe limitations for a conventional drain field, so do not treat acreage alone as proof that septic will work16. About 79.3% of land has a slope of 15% or less and roughly 72.3% is wooded, but clearing, access and the actual homesite still need parcel-level review1920. The effective property-tax rate is about 0.5%, with a median annual bill near $1,6022122.
Watch-outs
- York County Permit Services is temporarily relocated to the county Government Center at 6 S Congress Street, Suite 4200, through late December 2026; confirm the current location before you visit in person10.
- York County's RV-during-construction allowance requires advance zoning approval, an active permit for the owner's home, and a qualifying parcel; it is not blanket permission to live in an RV7.
- A private septic system must pass SCDES final inspection before it is covered, and the Approval to Operate is part of closing out a permitted home125.
Sources
- Residential Permits, quoted and re-checked
- Zoning, quoted and re-checked
- Septic System Permit Process, quoted and re-checked
- Residential Single Family Permit Packet, quoted and re-checked
- Residential Single Family Permit Packet, quoted and re-checked
- Septic System Permit Process, quoted and re-checked
- York County Land Use Codes, quoted and re-checked
- South Carolina Code Title 40 Chapter 59, quoted and re-checked
- Residential Permits, quoted and re-checked
- York County Permit Services (yorkcountysc.gov)
- York County Planning & Development Services (yorkcountysc.gov)
- Septic System Permit Process, quoted and re-checked
- Zoning, quoted and re-checked
- Flood Damage Prevention, quoted and re-checked
- Residential Permits, quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- § 156.02 Temporary Emergency Dwelling Permit Authorized; Personal Hardship Defined, quoted and re-checked
- § 155.332 Occupancy Limitations, quoted and re-checked
- Share of land at 15% slope or less: Bolthole Index county data
- Wooded share of land: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
Written September 29, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.