A series LLC is a limited liability company structure that allows a single parent entity to create multiple internal "series," each with its own assets, liabilities, and members, while operating under one overarching legal filing. In real estate, sponsors sometimes use a series LLC to hold several properties or investment offerings separately, so that a legal claim or financial problem tied to one series is generally shielded from affecting the assets held in other series, provided the entity maintains proper separation.
The structure can offer administrative efficiency compared to forming a fully separate LLC for every deal, since it reduces the number of state filings and formation costs involved. Not every state recognizes series LLCs, and the degree of legal separation between series can vary depending on where the entity is formed and how well records are kept for each series. Investors reviewing offering documents that reference a series LLC should confirm which series they are actually investing in and how that series' assets are segregated from the rest of the structure.
Further reading: Why Meaningful GP Co-Investment Matters More Than Ever
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