Make a GEOTAGGED MAP
Boost that geotagged map with HIGH DA/URL Rating iFRAME STACKING MAP EMBEDS
Gain Social Signals by creating hand-picked High DA Local Citations
Install an Optimized Business Schema, which will inform the search engine exactly what your website is attempting to communicate and then sync it to your GMB/GBP using Google maps CID
Increase your coverage by targeting more keywords and areas; this service will assist you in doing so.