Entity

The property must be a single, readily marketable real estate entity.

Nonresidential Use

Any nonresidential use of the property must be subordinate to its residential use and character. 

If any portion of a property is designed or used for nonresidential purposes, that property is eligible only if the nonresidential use does not

·   impair the residential character of the property, or

·   exceed 25 percent of the total floor area.

·    

·   Note:  In making this calculation, the total nonresidential area must include storage areas or similar spaces that are integral parts of the nonresidential portion.

Space Requirements

Each living unit must have the space necessary to assure suitable

·   living

·   sleeping

·   cooking and dining accommodations, and

·   sanitary facilities.

Mechanical Systems

Mechanical systems must

·   be safe to operate

·   be protected from destructive elements

·   have reasonable future utility, durability and economy, and

·   have adequate capacity and quality.