But, basically, if the neighbors knew that your house was on their property and did nothing about it, then they basically give permission for it to be there. 

By signing below, applicant(s) give permission to (1) current and former employers to release any information about applicants’ employment history and income history to the above named person;(2) current and former landlords to release any information about applicants’ rental history to the above named person; (3) current and former mortgage lenders on property that applicants’ own or have owned to release any information about mortgage payment history to the above named person; (4) bank, savings and loan, or credit union to provide a verification of funds that applicants’ have on deposit to the above named person, and (5) to the above named person to obtain a copy of applicants’ consumer report (credit report) from any consumer reporting agency and to obtain criminal background information about applicants.

Usually we want the HML to give permission and everyone we have used has been ok with it.  

Most of the good skip trace sites want you to have a "permissible purpose" for you to access their databases. 

The tenants are completing an application including permission to run a credit check.

I got permission to 'stabilize it"--clean and fix broken things only. 

The tenant never asked permission for any of this.

Once I had her permission to “try” it.

You are using stolen content on your website belonging to us.I have now taken down your information and sent it to a huge list of other people taking our copyrighted content without permission.

However, if you get financing in your name you may not be able to contribute the property into an LLC later (you'll need your lenders permission).And in a 1031 exchange the taxpayer needs to stay the same between the old property and the new property.