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How can I save LLC fees when investing in Arizona real estate from California
You won't be able to avoid the $800 fee. CA FTB has a very specific example, which is identical to your situation (except that they use NV instead of AZ), to show that the LLC has liability in California. State of formation is of no matter, you'll just be liable for fees in that state in addition to the CA fees. This is in fact a very common situation (that's why they have this as an example to begin with). See CA FTB 568 booklet. The example is on page 14. I suggest forming the LLC in AZ/CA and registering it as a foreign entity in the other state (AZ if formed in CA, the better option IMHO, or CA if formed in AZ). You'll have tax liability in both the states, AZ taxes can be credited towards the CA taxes. Instead of forming LLC, you can cover your potential liability with sufficient insurance coverage.