San Jose is probably one of the most friendly ones...The city just started an express review service on Tuesdays, where homeowners can make appointments to meet directly with city staff for a single, comprehensive review of their ADU application, for qualifying 1-story units up to 900 square feet. 

To do comprehensive cost segregation you will need to hire specialized firm.  

REIS is the most comprehensive and provides supply analytics, market research, rent comparable information, etc.

You won't granular details like the # of investors and who is investing in what as folks prefer to not disclose that information but you can get a high level overview by subscribing to services like PreQin.

Off the top of my head places you should look are gonna be Overview of Ohio's Fair HousingHUD.gov Elyria Building DepartmentAfter55.com

Here is an overview the steps.Step 1: Find Comparable Sales Step 2: Bring an estimate rehab checklist with you Step 3 Property records Step 4: Prepare the contract 

Not only the next step but the ones after that and so on until I close the deal I do not need an in depth looks just an overview and I am sure I can figure it out on my own.

@Cory Smith  There are many fee only advisors who do comprehensive planning now. 

If I see a property listed at some laughable figure, they are either shooting for the moon and figure they'll find one knucklehead somewhere to buy it, or they have no true comprehension of the market (and have a fool for an agent, for only a fool would list property too high to come to terms).

@Kelly FarleyBoth products allow you to create comprehensive lists with property owner names and contact information for numerous asset classes across the country.