I received a notice from my rental property insurance carrier that they will not renew my insurance policy covering my rental unit.

You can, however, count on an annual increase in taxes and insurance. 

Do you increase the rent by strictly calculating the increases in your insurance, taxes and etc ?

One of the most fundamental rights that a tenant cannot waive is the landlord's obligation to terminate tenancies through due process.

Add to that insurance costs, etc. and it's not looking good.However; what Trump can do that will help is to cut out some of the environmental regulations, etc. that drive the costs of development up. 

How does the cost of the blocker corporation weigh to their tax obligations?

Your first concerns should be your operating procedures and insurance.  

Unseen, I take the helm at night,Assuming debts without the light.The creditor remains unaware,That obligations shift elsewhere.A stealthy move beneath the moon,What method makes the shadows swoon?"

Obviously I will have a title search and get title insurance but I assumed they would still be required to fill out a SD but maybe not.

The other issue is forest fire risk plus insurers are dropping policies and most insurers won’t write policies there anymore.