You do not want to expose yourself to the unnecessary (and endless) liability of hiring unlicensed workers for what you're describing as full home renovations.

Most Californians will just use living revocable trusts for holding assets to avoid probate and allow for proper estate planning, and then achieve liability protection through other means such as LLCs, insurance, etc. 

I know Proper is specifically cited for its comprehensive coverage, which is detailed very well on their quote -- everything from liquor liability to assault to sinkholes... 

Umbrella policies are for added liability coverage when you own multiple assets ( homes, cars, etc).

@Paulo PatamAn LLC is limited liability and will only protect you so much.  

I am also in the process of getting these properties into LLC's to minimize liability since these are now quite hefty assets.

Typically the bank will not provide funding because of the liability risk of the it not only on your site but if it made its way to other parcels.

California Fair Plan, ran by the state, has crappy fire only insurance and you will need a wrap around general and liability insurance with them. 

Finding a professional that understands how to help you minimize your tax liability while also remaining compliant can make a big difference.Let’s first start with the basics of understanding commercial property tax regulations.

You actually have negative equity, or a liability.