Update the address, complete any required reverification, update the website and major citations, and expect temporary ranking fluctuation while Google re-evaluates location signals. Do not keep the old address simply to preserve rankings.
What this means in practice
Treat this as one part of a broader search-visibility system. The best next step is to verify the current site and profile data, compare it with the actual search intent, and make changes that improve clarity for customers as well as search and AI systems.
Allen Ink generally prioritizes fixes that affect the largest number of pages or customer touchpoints first, then builds supporting content, local authority, reviews, and measurement around those foundations.