The tax treatment of your 401k distribution depends on the source of the contributions, how much gain (if any) was earned on the contributions in...

I agree you need to find out if you had a filing obligation. In addition, if those two years were within the past five years, then you may want to...

What is the real estate capital gains tax for a foreigner?

If you sell the California property, the proceeds will generally be subject to US federal withholding tax and possibly California state tax...