Yes both states have licensing requirements for contractors and subcontractors which can be found with a simple google search

Just ensure to complete necessary due diligence - this can include, but is not limited to, title search, property inspection, appraisal and/or survey. 

You can also check meetup.com or search Facebook for real estate investment groups, clubs, or meetings in your area.1.

In my search, I've noticed that many positions require proficiency in Yardi.I've been actively looking for effective ways to learn Yardi, but it seems challenging to find suitable training or courses online.

You can also check meetup.com or search Facebook for real estate investment groups, clubs, or meetings in your area.

I don't know exactly for sure, but after I call Airbnb CS and have them search for my listing, I get a booking request in the next day or two. 

I created an electronic google doc time tracker: Time LogContemporaneous time log of rental real estate activitiesActivity DescriptionTenant recruitmentTenant screeningNegotiating and executing leasesOverseeing repairs and maintenanceCommunications with tenants and vendorsTravel timeResearch for potential rental real estate (pub 925)Acquiring rental real estate (pub 925)Paperwork/bookkeeping/bankingResearch and purchase of materialsRent collectionEvictionOn-site cleaningBill paymentOther:Time SpentDateMM/DD/YYYYSubmit

I did a search on my own  to help them find it and I can't find any insurance companies offering quotes for the Los Angeles area at the moment.

- Will they search for off-market properties for you?

@David MartinezA quick search on furnishedfinder.com shows a bunch of available midterm rentals in that area so you can use those to help guide your price and strategy.