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Updated over 7 years ago on . Most recent reply
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Questions on Partnership with LLC and 401k
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No entity is required. Your LLC and his Solo 401(k) can simply vest title jointly as tenants-in-common. Both entities provide a level of separation and asset protection for each of you, and an entity would require a tax return. You should probably work with a real estate attorney to draft some kind of joint venture contract to protect your respective interests and keep things on the straight and narrow. This can be especially beneficial if one partner has outside issues that impact their position such as bankruptcy, death, divorce, etc.
Keep in mind, flipping is a trade or business. If his SoloK is receiving equity participation in the profits, and doing such types of transactions on a regular or repeated basis, then UBIT taxation will apply. He may be better off simply being a lender and receiving passive interest.