Now if there are no visual signs and the home inspector says its fine, I wouldn't go any further with it.

Residential rentals are over 27.5, commercial over 39 There are some things you can break out over shorter spans on a residential rental (appliances, carpet, window treatments, driveways) OR if your property is large enough to warrant a cost segregation you are separating out way more to depreciate on a shorter span thus qualifying it for bonus. 

Not only is it not best for liability purposes, but they have significantly different tax treatments and usually benefit from different structures.

I would not have done a mold report unless there was clearly visual signs of mold.

Spreading of the tax ("installment sale treatment") may be prohibited for some transactions between related entities AND also between relatives.

Qualified vs Nonqualified Roth IRA DistributionsThe tax treatment of Roth IRA distributions depends on whether the distribution is considered qualified or nonqualified. 

There is virtually no way to avoid this treatment by California although there are a few BP yahoos who might tell you otherwise.

An attractive property visually and financially4.

You simply do a heat treatment of the house/apartment.

People will get deterred from buying a house there, which in turn lowers the market value of that area.3) Visual pollution.