South Carolina
Buying Land in Union County, South Carolina
County seat Union, a rural Piedmont county once known as 'The Textile Capital of the World' for its seven cotton mills at the turn of the 20th century. The southern half of the county today sits within Sumter National Forest. Whether Union County has adopted a traditional zoning ordinance is genuinely unclear from this research pass -- worth confirming directly rather than assuming.
Zoning: a genuinely open question this pass could not resolve
Unlike most of the other South Carolina counties covered in this research batch, this pass could not find clear, confirmed evidence of a traditional, use-based countywide zoning ordinance for unincorporated Union County -- no district map, no permitted-use table equivalent to what neighboring counties like Spartanburg or Pickens maintain. What this pass did confirm is narrower: Union County requires a land-development permit before any land-development activity begins in the unincorporated county, with a specific exception carved out for building a single-family residence or its accessory structures. That permit requirement is administered under a 'Chapter 25 -- Planning and Land Development' standards framework, and a 2022 working-draft version of that document was located during this research, suggesting the framework may be relatively new or still being finalized as of this review.
This is consistent with South Carolina's optional-zoning framework under Title 6, Chapter 29 of the state code, which genuinely allows a county to adopt no comprehensive zoning ordinance at all -- Union County may simply be one of the rural counties that has chosen a land-development-permit and subdivision-standards approach instead of full Euclidean zoning, similar in spirit to some of the state's other unzoned or partially zoned counties. This page states that possibility honestly rather than fabricating a district system that this pass could not confirm exists. An early search this pass did surface a set of zoning-district names (an 'A-1 Exclusive Farm Use Zone' and similar) attributed to 'Union County' -- but on inspection, those describe Union County, OREGON's zoning framework, not South Carolina's, and have been discarded here to avoid exactly the kind of cross-state contamination this project has flagged in other counties' research. Confirm the county's actual current regulatory framework -- zoning, land-development permitting, or both -- directly with the Union County Building Department before finalizing any development plan.
"The Textile Capital of the World," and Sumter National Forest today
Union County's most distinctive historical identity comes from textiles: a successful cotton mill built in the city of Union in 1893 launched the county's textile-manufacturing era, and by 1907 the county had grown to seven mills employing 4,075 workers operating 7,645 looms and 285,800 spindles. That scale earned Union County the nickname 'The Textile Capital of the World,' a legacy still visible today in the county's historic mill buildings and former mill-village neighborhoods. Anyone evaluating older industrial or near-industrial land in and around the city of Union should factor in the standard environmental-due-diligence considerations that come with any legacy textile-manufacturing site -- a Phase I environmental site assessment, at minimum, is worth budgeting for regardless of whether a specific parcel touched an active mill.
Geographically, Union County is bordered by the Pacolet River to the north, the Broad River to the east, and the Enoree River to the south -- all open to fishing, canoeing, kayaking, and tubing, and all historically tied to the same textile-mill economy that once powered the county. The southern half of the county sits within Sumter National Forest, including part of the Enoree Ranger District (the forest's largest ranger district, spanning roughly 170,000 acres across Chester, Fairfield, Laurens, Newberry, and Union counties) and Rose Hill Plantation State Historic Site. As with any national-forest-adjacent parcel, confirm boundary lines against current U.S. Forest Service maps rather than relying on an informal property description.
Septic and practical due diligence
Septic permitting in Union County follows the statewide South Carolina pattern: Regulation 61-56 is a state technical standard, and the actual permit is issued by SCDES through its own regional office network rather than a county health department. Union County is covered by the SCDES Environmental Affairs office based in Greenville, which also serves Cherokee, Pickens, and Spartanburg counties -- confirm current site-evaluation procedures and soil suitability with that office before counting on a specific lot as buildable.
Given the genuine uncertainty around Union County's zoning status, the most important first call for any parcel here is to the county's Building Department to establish what regulatory framework -- zoning, land-development permitting, or both -- actually governs the specific tract, before moving on to septic and any national-forest-boundary questions.
Who to Call Before Buying Land in Union County
Direct WebFetch to unioncountysc.org and des.sc.gov was blocked by network egress restrictions in this research session, so office details reflect search-indexed content rather than a full verbatim read. This page could not confirm whether Union County has adopted a traditional use-based zoning ordinance -- confirm the county's actual current regulatory framework directly before relying on any assumption either way.
Building & Permitting
Union County Building Department
Building, mechanical, plumbing, electrical, and mobile-home permits, and confirming whether zoning or land-development-permit rules apply to a specific parcel.
Septic / Onsite Wastewater
SCDES Environmental Affairs -- Greenville Office
Septic (Reg. 61-56) site evaluations and permits for Union, Cherokee, Pickens, and Spartanburg counties.
Other
U.S. Forest Service -- Sumter National Forest (Enoree Ranger District)
Boundary maps and access questions for parcels bordering Sumter National Forest land in southern Union County.
Recorder / Clerk / Land Records
Union County Register of Deeds
Recorded deeds, easements, and plats.
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- Union County, South Carolina — Wikipedia (accessed 2026-09)
- Union, South Carolina - History, Geography, Population — Encyclopaedia Britannica (accessed 2026-09)
- Union & Union County Profile — Move Upstate SC (accessed 2026-09)
- Sumter National Forest — Wikipedia (accessed 2026-09)
- Building Safety/Floodplain Management — Union County, SC (accessed 2026-09)
- Chapter 25 -- Planning and Land Development (2022 working draft) — Union County, SC (accessed 2026-09)
- SCDES Local Offices — South Carolina Department of Environmental Services (accessed 2026-09)
Last reviewed 2026-09