As used in this article, unless the context otherwise requires:

(1) "Eligible dwelling" means real estate upon which there is located a structure designed primarily for residential housing and consisting of dwelling units for not more than thirty families: Provided, That all ownership thereof shall be limited to persons who would qualify as eligible owners.

(2) "Eligible owner" means a person or persons residing within the boundaries of a municipality or county, and owning an eligible dwelling within the boundaries of that municipality or county, irrespective of race, creed, national origin or sex, with respect to whom it is determined by the governing body of such municipality or county that (a) such person or persons, because of financial condition, age, infirmity, family size or other reasons, is unable to obtain, on suitable terms and conditions, loans or other credit necessary for the rehabilitation of such eligible dwelling, and hence requires the assistance as provided in this article, (b) such rehabilitation is necessary to place such eligible dwelling in a safe, sanitary and decent condition, and (c) the assistance as authorized in this article shall make financing available to such person or persons, or enable such person or persons, to obtain such financing on terms and conditions substantially more favorable to such person or persons than would otherwise be available.

(3) "Rehabilitation" means a specific work of improvement within a municipality or county undertaken primarily to remodel, repair or rehabilitate an eligible dwelling.