[ghouse]

It's not severed. Still part of the real property and owned fee simple, but subject to use restrictions.

[pfdietz]

You did not understand what I wrote. I didn't say the eight foot slice was severed, I said control of the right to build on it was severed. That right is an abstract thing, but it has value, and the value is now not owned by anyone.

[zdragnar]

Control over the right remains with the covenant. The city could end it if they so choose.