Sales prices are of course public and I suppose one could do a survey of rental asking prices to get a sense of it. 

Rents verified by the appraiser survey, value from independent licensed appraiser.

I see an easement on a survey in Sherman, TX named PRGCT.   20' wide splitting the back 1/3 of a 1 acre lot.   

Would anyone be willing to fill out a short survey to help inform and improve our product?

According to figures from recent American Housing Surveys, while only 5 percent of all owner-occupied households in the U.S. had contracts for deed in 2005, 9.5 percent of Hispanic owner-occupied households and 7.1 percent of black owner-occupied households across the country used them.1 (For more figures on the use of contracts for deed, see the table below.)

(Cleared environmental Phase I, New survey, and are at site plan stage and requesting a letter of commitment to permit from the governing body now).

In a Polaris Project survey, 64% of trafficking survivors said they were homeless or had unstable housing when they were recruited.

Local County CAD/appraisal website 1) Check Zoning : It will be residential/commercial/industrial 2) Check SQFT3) Check dimension and road access - important for what you wanted to do etc FEMA Map :4) Check Flood map Offer/Price:5) Check COMPS6) See what are the house values nearby and price land accordingly Title Company:7) Read schedule B for deed restriction 8) Survey: Review survey for any easement 9) If lot is smaller -- forget about the Mineral right .. too much hassle for paper work 10) If commercial then Phase 1 Environmental survey will be required for financing 

Walk into the town hall with a sketch and a verbal description of what you want to do and the survey map, or approved site plan.

You could always put it up for rent and ask people as they come through whether a tub is a must as your own personal survey.