For the purposes of this section, towns with a population of less than 3,500 may elect to administer and enforce the Building Code; however, where the town does not elect to administer and enforce the Building Code, the county in which the town is situated shall administer and enforce the Building Code for the town. In the event that such town is situated in two or more counties, those counties shall administer and enforce the Building Code for that portion of the town situated within their respective boundaries. Additionally, the local governing body of a county or municipality may enter into an agreement with the governing body of another county or municipality for the provision to such county or municipality's local building department of technical assistance with administration and enforcement of the Building Code.
For the purpose of this subdivision, a contributing landmark, building or structure is one that adds to or is consistent with the historic or architectural qualities, historic associations, or values for which the district was established pursuant to § 15.2-2306, because it (i) was present during the period of significance, (ii) relates to the documented significance of the district, and (iii) possesses historic integrity or is capable of yielding important information about the period.
Va. Code § 36-105