A single LP investment in a real estate syndication produces a K-1. Five investments produce five K-1s. A diversified real estate portfolio produces a stack of them, each with its own income and loss characterization, basis adjustments, and passive activity tracking requirements.
Most family offices treat K-1 management as a compliance task. It isn't. It's a planning problem.
Passive losses from real estate investments can only offset passive income. If your office holds a mix of real estate investments — some generating paper losses through depreciation and others generating distributable cash flow — the sequencing and structure of those investments determines how much of that loss you can actually use. Losses that can't be used don't disappear. They suspend and carry forward until the activity generates passive income or you dispose of the investment.