external obsolescence

This is in regards to the concept of "External Obsolescence" in a residential neighborhood. Can a non-owner, or a group of non-owners (neighbors) claim that a neighboring residential property that has been "grandfathered" as a multifamily use in a single family district is adversely effecting...

I'm valuing a Liquid Natural Gas distribution facility built in 2014 in Washington State. The property was completed, but never put to use due to a decline in LNG demand with the dropping in Gas and Diesel prices. I'm looking for ideas in how to calculate economic obsolescence. The inutility...

Appraising a property located adjacent to a stone quarry. The quarry opens at 6:30 am Monday through Friday, closing at 4:30 pm. They “crush” every 3rd week, which is a rather noisy process. Otherwise they move and load gravel and sand through the week. Which may also be a noisy process...