The bay splits your map results before a single word of content does
Proximity carries enormous weight in local results, so a Clearwater search and a Brandon search are two separate contests you enter with the same website.
A single office in South Tampa will surface for nearby searches and thin out quickly as the searcher moves away from that pin. Cross the water and you are largely out of the picture, no matter how good the site is.
Which forces a decision before any content work starts. To earn organic emergency volume in Pinellas County you generally need a real, staffed location there, with its own listing, its own number answered by a person, and its own review history. Optimizing a pin you do not actually operate is a waste at best and a suspension risk at worst.
If a second location is not in the plan, say so plainly on the site and stop measuring yourself against Pinellas rankings. Put the map effort behind the county your trucks are already in.
The honest summary: near me plumbing results are settled mostly by distance and review history. Treat it as a constraint you design around rather than a problem more blog posts will solve.