Cornerstone Condominiums for Sale, Wilmington, NC (28405) Cornerstone Condominiums in Wilmington, NC is a community nestled in a quaint wooded community off N. Kerr Avenue. This community is in a great location for those actively looking for low maintenance living close to downtown, University of North Carolina at Wilmington (UNCW), and 12 minutes to Wrightsville Beach. The community is also convenient for those looking to be near companies like PPD, Corning, and GE. What does this community have to offer? There in an active home owners association (HOA) at Cornerstone Condominiums. HOA dues are paid monthly in the amount of approximately $207. Dues pay for common area maintenance, termite bond, community pool, management fee, master insurance, night watchman (3 days /week) trash, water... 01/21/2014