Need a logo for business

This is what a business in United States was looking for in their logo design

Have an existing very rudimentary logo..

Shield, think like a patch, with California coastline running down.

want some symbolic waves (think like heraldry coat of arms)

Word SLO inside the logo, but with ability to add remainder as text sections etc for letterhead, bcards, etc

See attached... Want to be able to move / change address phone
sometimes need to add email, sometimes a website address, sometimes mailing address

WHOOPS background INFO that would help make sense

SLO = shortened name that locals use for San Luis Obispo,
a city on the coastline of California

Hence the showing California coastline in the shield, and showing the waves to try and designate it is the coast
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