Union, SC Reveals 669 Vacant Properties, Signaling Off-Market Investment Potential
Union County, South Carolina, presents a notable landscape for real estate investors, with 669 properties identified as vacant according to BatchData's Vacancy Rates & Investment Opportunities Report for July 2026. A striking 97.9% of these properties are off-market, indicating a significant pool of potential value-add and distressed opportunities that traditional MLS searches would overlook. This dominance of off-market inventory positions Union, SC, as a compelling target for investors leveraging advanced property data API and targeted outreach strategies.
County Overview
The presence of 669 vacant properties in Union, SC, underscores a market ripe for various investment approaches. These properties, identified across 722 parcels in the county, often represent neglected assets or situations where owners may be motivated to sell outside of conventional channels. The overwhelming majority, 655 properties, or 97.9% of the total vacant stock, are currently off-market, leaving only 14 properties listed on the MLS. This substantial off-market share points to a market where proactive data-driven lead generation is paramount for discovering profitable deals.
Analyzing the breakdown by property type, residential properties account for the largest segment of vacant inventory in Union, SC, totaling 543 properties, which is 81.2% of all vacant listings. This high concentration of vacant residential units suggests opportunities for investors focused on single-family rentals, fix-and-flip projects, or even converting properties into affordable housing solutions. Commercial properties follow with 76 vacant units, representing 11.4% of the total, offering avenues for investors interested in business premises or adaptive reuse projects. Additionally, 42 exempt properties (6.3%), 4 vacant land parcels (0.6%), 2 agricultural properties (0.3%), and 2 industrial properties (0.3%) contribute to the county's diverse vacant inventory. These varied property types cater to a range of investor specialties, from those looking for income-generating assets to those seeking land for development.
Local Market Context
Union, SC's position within the broader South Carolina market provides further context for investors. The county ranks #18 out of 46 counties in South Carolina for vacant properties, holding 1.4% of the state's total of 46,851 vacant properties. While not among the state's largest counties by raw count, its mid-range ranking suggests a consistent level of vacant inventory relative to its size, making it a market worth closer examination for specific investment niches. The state's total vacant properties stand at 46,851, compared to a national total of 2,199,634, indicating that Union, SC's contribution, while modest, is part of a much larger national trend of available distressed assets.
A deeper dive into the MLS status of vacant properties in Union, SC, reinforces the off-market opportunity. Fully 339 properties, or 50.7% of the vacant stock, are explicitly categorized as "Off Market." Beyond this, a significant 216 properties (32.3%) have an "Unknown" MLS status, which often signifies properties that have never been formally listed or have fallen out of traditional market visibility. This "Unknown" category, combined with the "Off Market" properties, highlights the critical role of skip tracing and direct outreach for investors aiming to connect with property owners. Only 12 vacant properties (1.8%) are currently "Active" on the MLS, meaning the vast majority of opportunities require a more proactive, data-driven approach than simply browsing public listings. Other statuses include 91 "Sold" properties (13.6%), which may indicate recently transacted properties that remain vacant, 8 "Canceled" (1.2%), 2 "Pending" (0.3%), and 1 "Expired" (0.1%).
The high percentage of off-market and unknown status vacant properties in Union, SC, presents a clear directive for investors: successful engagement in this market will depend on their ability to source and analyze properties using comprehensive property datasets. Rather than relying on competitive on-market listings, investors can leverage tools like BatchRank to identify high-potential properties and utilize contact enrichment services to find owner contact information. This strategy enables investors to target owners of vacant residential or commercial properties directly, potentially securing deals before they ever reach the public market and avoiding bidding wars. Union, SC, therefore, offers a compelling case for investors prepared to engage in strategic, data-informed real estate investing outside of mainstream channels.