I have access to the full deed database online in my county. 

If there's no relative, then probate will likely be handled by public administrator and they'd be in charge of auctioning off the house. 

Insurance companies keep a national database on homes and individuals regarding their claims.

If they insist on sending individual rent payments, we charge an administrative fee to cover the extra bookkeeping effort and bank charges.

I am a graduate of Rose-Hulman Institute of Technology as a Computer Engineer working from home as a NoSQL database developer although most of my career has been spent as an automation and systems engineer.I am a new player in the real estate game having started the marathon just 2 years ago when I attended a Guru real estate seminar.

I don't know if there is a specific database but there are plenty of hard money lenders on bigger pockets.

What, if any construction cost calculators or data bases do you all use when analyzing a deal?

This is a post-closing penalty charged by the Escrow Administrator to extend the renovation period beyond the maximum renovation term of 180 days in the event renovation is not completed within agreed upon terms.

E.g. you will spend at a minimum $10-15K (this is being ultra cheap) on a securities attorney (not including other costs around administration, legal and accounting). 

The juice usually isn't worth the squeeze in situations like this, and the added professional liability, administrative hassle, and paperwork might not be worth it.And remember - Your broker gets his or her usual cut (based on what your agreement with them says), so it may not be worth your time either.