If the LLC was dormant for 2018 you shouldn't be filing anything at the federal level. 

My flipping LLC has been dormant, I deposited some money to the bank account and purchased properties.

They would function more as a sleeping/dormant partner.  

If you want a layer of anonymity, hold the properties in a land trust with the child series LLCs as the beneficiaries.Separately, if you do flipping, have a Series LLC for that, with each flip in a child Series-LLC and left dormant after sell.Here is a diagram to help you on your quest: asspro-cya-diagram-v6a-solo-401k

In North Idaho, we get hot temps for a max of 3 months a year so the unit is dormant most of the time and it never gets terribly hot. 97 was the hottest day so far this year with 30 percent humidity.

I'm not worried enough to start selling off the real estate portfolio but my cash is waiting for an opportunity and I have a couple units that are free and clear waiting to be refinanced, quite a bit of opportunity sitting dormant. 

Cool season grasses will go dormant in the summer and look dead but come right back when it cools off.

@Nik Moushon the lawns at my rentals are fading; the grass goes dormant and comes back in the fall once the rain starts again.

And you chime in minutes after Jessie in a post that's been dormant for awhile.

Though I seem dormant my worth increases, never failing, never ceasing.