Search Console access means you have permission to log into Google Search Console and view or manage data for a specific website property. It's the gatekeeper between you and critical search visibility metrics like what queries bring traffic, which pages rank, crawl errors, Core Web Vitals scores, and manual penalty notifications. Google offers four permission tiers. Owner has full control—they can add or remove users, change settings, submit sitemaps, request re-indexing, and disavow links. Full User can do almost everything except manage other users. Restricted User sees most reports but can't take actions like URL removals or disavows. Associate User only views certain data subsets, mainly for agency read-only scenarios. You verify ownership through DNS records, HTML file upload, Google Analytics linking, or Google Tag Manager container verification. DNS is cleanest for agencies because it doesn't rely on a file staying live or a tag staying in place. Once verified as Owner, you can delegate access without sharing login credentials. At Ottawa SEO, we request Owner or Full User access when onboarding clients so we can diagnose indexing issues, submit XML sitemaps after site migrations, and monitor manual action notifications in real time. We've seen too many cases where Restricted User access delayed fixing a noindex tag or a disavow file update during a penalty recovery. Watch out for access expiring if verification methods break. If someone deletes the DNS TXT record or removes the HTML verification file during a site redesign, you lose access and Google stops collecting data for that property. Also, Search Console properties are URL-prefix or domain-level—make sure you're looking at the right property. A domain property consolidates http, https, www, and non-www, but older URL-prefix properties treat them separately. If your agency inherited an account with five fragmented properties for one site, consolidate into a domain property and re-verify to avoid missing data.