While you cannot ask the medical reason for the ESA you can require documentation for the need of such from the APPROPRIATE medical provider. 

However their rents are around $4,000/mo in a $1M+ medical building.

Many if not most mid-term guests are traveling nurses or other medical profesisonals.

Medical/Hospital?

The grad student population is big too in Riverside as there is also a medical school.

I have an opportunity to wholesale a small former hospital building that was converted into a medical office building.

The house is 2.5 miles from 2 hospitals and 30 minutes from 3 other medical facilities. 

Also, in a mainstream asset class like value-added multifamily, I see no reason to take a risk on a sponsor that doesn't have full real estate cycle experience and didn't lose money.

You buy your first rental property and you have lots of equity to buy another, but you discover that your write-offs on the first property have lowered your income so much that no mainstream lending institution will lend you money.

According to FHA those 2 dogs are now medical devices and your HOA bylaws cannot restrict medical devices.