Is this outdoor storage for larger equipment?

We added a mini split system, new floors throughout, rebuilt the deck, added windows, repaired waste lines, roof, siding, stucco, cleaned up the basement and remodeled the kitchen and bathrooms.

It's a good location but an overwhelming rehab just beyond my experience; sorta a full gut/ or the basic kitchen, bath, flooring and paint remodel.

It checks all the boxes to be legal - 2 egresses, windows, 7' ceilings, bathroom, full kitchen, etc. 

Also I was home alone during the kids school hours as I worked from home and my office was to the side of the kitchen.

In my business, as a kitchen contractor, I meet "investors" who want to partner up all the time.

PLUMBING FIXTURESThe bathrooms, toilets and kitchen plumbing fixtures shall only be used for the purpose for which theywere designed or built; sweepings. rubbish bags. acids. sanitary napkins, baby wipes, paper towels.should all be disposed of in regular waste receptacles.

We paid him in installments and we're at our final stopof rebuilding our entire kitchen and finishing up small details like filling upnail holes, bathroom vanity installs and etc.

First floor 2 bed 1 bath and ADU is on top floor with its own kitchen, 2 bed and 1 bath. 

Some of the damages include ~$7,800 of missing property, kitchen cabinet doors ripped off, a mangled chandelier, a damaged refrigerator, divots from a claw hammer in the granite, and urine and feces stains on rugs, furniture, and hardwoods from an unauthorized puppy.