Most people are familiar with the concept of easements. As defined by Black's Law Dictionary (7th ed.), an easement is
In some instances, obtaining a variance is a lawful means to deviate from strict compliance with current zoning requirements. Although zoning boards usually grant them sparingly, an approved variance can be a useful tool for landowners seeking to, inter alia, site, construct, alter or enlarge a structure on their property that would otherwise violate some aspect of the zoning code.