Yes they do....
In CE courses......
Paired sales analysis is a theory only.
Why should you care, you just use your antiquated list?
If you have two exact houses that are new, the same building plan and the only difference is GLA then you have a paired sale.
Real life paired sales are not common although many appraisers would tell you all of their adjustments are based on paired sales; those people would be dishonest.
Here are examples:
1. Small town north of me has a subdivision that has very similar plans for new houses. They also offer crawl spaces on the models and basements for an additional charge. It was very easy to extract the $15/SF adjustment for the basement. So easy US might be able to do it if he ever tried.
2. Town west of me has a subdivision with Phase 1 that has many houses that are the same model. The homes are 10-15 years in age. Multiple homes sold with finished basements and multiple homes sell without finished basements. Paired sales showed the value of the finished basement to be $10-$13/SF with the homes having a bathroom in the basement having the higher contributory value of the bathroom (1/2 or full).
In your example of the new construction paired sales... This only works because you have the same seller on each house. So, the value difference indicated between the two different items is a reflection of this particular seller rather than the market in general. This seller priced both houses to compete with each other... Not a good paired sale.
In order for a paired sale to work, you would have to have both houses be 100% identical. Then you would have to have buyers and sellers with the EXACT same motivating factors (never happens). Then by virtue of the fact that each sale is located in a different place there is a difference that could potentially have an effect on the marketability or value to one buyer over another.
Paired sales are a theory only. If one does exist (which I have never seen one) the data it yields will be too limited to be meaningful to the market as a whole.
ROTFL... Just what I learned while doing my Demonstration report.Paired sales can work, can be misleading. Pairing 1 & 2 =$40/SF Pairing 2 & 3 =$70/SF. Pairing 1 & 3 = $55/SF....Which pair is right?
Actually, yes.
However, USPAP states we must do as our peers do.
Appraising is mostly "common sense".....
The guys who use this line are also the ones who say "Because of my 30 years of experience..." and are the ones using that list from 1990.