Va. Code § 55.1-2825
No agreement made between adjoining landowners, with respect to the construction or maintenance of the division fence between their lands, shall be binding on their successors in title unless it (i) is in writing and specifically so state, (ii) is recorded in the deed book in the clerk's office of the county in which the land is located, and (iii) is properly indexed as deeds are required by law to be indexed.
If any notice, as required by § 55.1-2822 or 55.1-2823 is recorded in the deed book in the clerk's office of the county in which the land is located and is properly indexed as deeds are required by law to be indexed, then any subsequent owners of such land shall be liable for any sum that may be due pursuant to § 55.1-2824.
Va. Code § 55.1-2825