For lots with rabbit holes, is it possible to get the regular map tags show up too? For example I have a nerd shop (which has opening/closing hours) with the book store RH and, in a separate building on the same lot, a spa with the RH, and the only chance to look up the opening hours in game is to zoom in when the lot is closed and to click at a wall. The regular tag that shows the opening hours all the time would be quite useful for me.

I'm not positive but I think the following mod by Don Babilon at MTS may be what you want.

Clutter Your Map - Rabbithole Map View Visibility Changes

 

That looks promising. Thank you!

You're welcome!  

I've got that Mod from there in my games and it's working out well for me though it put my Mod files count up awfully high.