This industry standard has been adopted over the past several years, and during that same tenure cap rates have compressed mainly due to a decrease in interest rates.

Quick update: Rockaway Beach OR has instituted a CAP on nightly vacation rental permits.

For example, in Texas, the Texas Uniform Trade Secrets Act (TUTSA), which was adopted in 2013 specifies that an NDA must be written and signed by the parties.

Anyone know of an institution/bank/whatever that lends in WA state willing to do a purchase money second up to a 90% CLTV? 

The property came to me through both just at the time when my wife and I had decided to remain in K-ville due to our adopted Romanian son’s IEP needs.

You could reach out to Kevin Kim at Geraci LLP in CA who's firm does securities and PML law in all states and is intimate with CA, OR, WA, and ID laws as well as corresponding state specific financial institutions governance (in WA it's called DFI or Department of Financial Institutions) and how to navigate their expectations accordingly... 

Just recently the city (rightly) instituted a CAP on vacation rentals.

You're competing against institutional investors (Brett Robinson to name one) that own a ton of them, market them very well and have this stuff down to a science. 

How do I find the list of financial institutions who do assumable loans?

Probably for the better the city recently instituted a CAP on new licenses.