Read Part 1 - Get Found Locally - Part 1: How Local Listings Work
Here are the directions for claiming your Google My Business Local Listing.
Once you have signed in, a map and search box will be displayed. Search for your business listing. If your listing doesn’t appear, choose the “Add Your Business” option and enter all relevant information.
Choose your verification method and follow the instructions provided. If you choose to verify by mail, make sure to be on the lookout for a postcard from Google that will arrive in 1-2 weeks. Once the postcard arrives, make sure to follow the steps on the postcard to finish your verification process.
After receiving your verification postcard, go back go Google My Business, and enter the verification pin code