Think long and hard if you want to apply for a variance (zoning determination or code interpretation) just for you to bring in a new tenant and make more money.

I am not sure what you mean when you refer to "delayed financing", could you explain for my benefit? 

Code Section 40-10-74 says: If the mortgage or other instrument creating a lien under which a party seeks to redeem is duly recorded at the time of said tax sale, the said party shall, in addition to the time in this title specified, have the right to redeem said real estate sold, or any portion thereof covered by his mortgage or lien, at any time within one year from the date of written notice from the purchaser of his purchase of said lands at tax sale, served upon such party, and notice served upon either the original mortgagees or lienholders or their transferee of record, or their heirs, personal representatives or assigns shall be sufficient notice.

However, I am surely NOT going to give you the benefit of my nearly 30 years of expertise as to where to find properties. 

Did you make tenants upset because something was not to standard or meeting code? 

Here’s the actual law on the matter: California Civil Code section 1951.3And an article on the subject if you’re interested: Can a Landlord Take Over a Rental Property if a Tenant Abandons the Property?

I have already spoken with the building department and it is zoned properly to be reverted back to a multi family.What I am struggling with it is how to get a list of everything that would need to be brought up to code upon final inspection.

If you are holding long term for retirement then rent growth and appreciation in stronger markets over time could outpace cash flow.As net worth grows more investors tend to focus on appreciation and equity growth with tax benefits/  

What you think of when you visualize a mobile home park may make it unappealing, may turn you off and prevent you from benefiting from the park's potential as a great investment.From an investor's standpoint, we have found that there are many reasons to LOVE mobile home parks.

There are amazing benefits to it however: learning lead generation/marketing/brand awareness, networking, learning your market better, creative finance...on and on...Take the time to interview someone locally and keep an open mind.