Adding structured data for your local business is more approachable than it sounds, especially with the plugins and generators available on most common platforms.
Cover the Core Business Fields
Name, address, phone number, hours, and category should all be marked up consistently with your actual live information.
Keep It Synced With Your Business Profile
Structured data that contradicts your business profile listing creates confusion search engines are likely to resolve in your disfavor.
Validate the Output Before Considering It Done
Checking that the generated markup is actually correct prevents a well-intentioned effort from silently failing.
Next step: Use the SEO Audit to check whether your site's structured data is displaying correctly.