- To eliminate a blight. Burban.
- To eliminate extreme wealth. Hawaii Housing Authority.
- To promote economic development. Kelo.
- Where "public necessity of extreme sort" requires collective action
- Where the property remains subject to public oversight after transfer to a private entity
- Where the property is selected because of "facts of independent public significance," rather than in the interest of the private entity to which the property is eventually transferred
These situations are valid public purposes under the federal restriction as well.