Same complaints about quality, and yet somewhat shoddy tract homes continued to appreciate at high rates to this day. 

Are you looking at large ten to a hundred acre tracts of raw land or developed but vacant residential lots or something in between? 

Minimum lot size in the transition area shall be based on the average of the sizes of the existing developed tracts or lots on either side of or across the right of way from the subject property."

I always check to see what the comparable houses are in the area especially in the same tract.

I have an old single family property that sits on about .25 acres of land that that is surround by a couple larger tracts of land (~3+ acres), which is vacant / wooded area.

It's a tract home from the 80s, so I definitely think they cut corners with insulation during construction.

The law firm I work for has the specialties you are looking for with a tract record of representing large and small investors.

By the time you hit Q3, you have this description: Dwellings with this quality rating are residences of higher quality build from individual or readily available designer plans in above-standard residential tract developments or on an owner's site.

He ends up getting multiple trade offers, and trades his note and some cash for a small apartment complex, subject to a existing first lien, a couple of “tradable” (worthless) lots, and two mobile homes (Jimmy calls them “Wobley Boxes) on a tract of land.  

This sort of flawed and arbitrary content being presented to investors is what drove me to create my own data-driven map, down to the census tract level, to define the grade of each area down to the most granular level.