Just ask for the code and I get it. 

I doubt some of the unincorporated county areas have sign codes about bandit signs.

Offer to draft an ad, post it on Craigslist, discount the application fee, whatever you feel comfortable with.  

This list would contain the zip code and corresponding name of the municipality, and a breakdown of the number of SFRs.

I'm thinking that even though the house may not have a mortgage, could it not be possible the owner has not been paying taxes, or not fulfilling other local code violations?  

This list would contain the zip code and corresponding name of the municipality, and a breakdown of the number of SFRs.

Great condition, newly renovated, it's the right type of property at a discount.

You sure building code allow what you are doing?

@Donny WidjajaIn 2005 changes to the Texas Property Code (Sec. 5.061 et seq.) define residential lease-options for longer than 180 days as “executory contracts” subject to strict regulation and penalties if not done exactly right.

IMO by law of averages an individual has the greatest chance of getting the best  discount on the court steps.