For example, providing the clerk and recorder's office a certified copy of the deceased birth certificate? 

CIREIA and INREIA both meet on the 2nd tuesday of the month and you should check out the meetup.com site for Real Estate Investing in Indianapolis organized by Taylor Jennings.

JoshuaThings might go faster for you if you take a Real Estate course and Join tour local Real Estate Investment Organization.

Looking at your SEMrush.com stats, I don't see any evidence of organic or paid traffic coming to realestatecpr.com: https://www.semrush.com/info/realestatecpr.com

I find owners info on county tax records. 80% of time mailing address for taxes is same address so I'll mail to house and hope it finds them.

It is through other networking that you find the feed bin.RE is a social business, get involved in other organizations where you meet people!

I checked the property records and the mortgage was assigned to another bank, but that is it.

Also if you are a bookworm, check out the list of BP's 21 Best Real Estate Books, and start checking them off.Philadelphia also has some very useful online tools to access public records.

2015 LOW INCOME HOUSING APARTMENT CAPITALIZATION RATE: 10.0% The Appraisal District is giving public notice of the capitalization rate to be used each year to appraise property receiving an exemption under Section 11.1825 of the Property Tax Code for Organizations Constructing or Rehabilitating Low-Income Housing: Property Not Previously Exempt.

Finally I believe a lot of Florida county recorders and courts have pretty good online resources, so be sure to check those too.