Google Maps Scraping: Extract Business Data, Reviews, and Local SEO Info

Google Maps is one of the richest sources of local business data on the internet. From restaurant ratings and opening hours to customer reviews and contact information, the platform holds a treasure trove of data that can power lead generation, market research, local SEO analysis, and competitive intelligence. In this guide, we'll break down how Google Maps structures its data, what you can extract, the technical challenges involved, and how to build efficient scrapers for business data at scale. Understanding Google Maps' Data Architecture Google Maps is built on a complex infrastructure that combines map rendering, place data from Google's Knowledge Graph, user-generated content (reviews, photos), and business-submitted information via Google Business Profile (formerly Google My Business). How Data Is Served Unlike simple HTML websites, Google Maps uses: Protocol Buffers (protobuf) : Many internal API responses use protobuf encoding rather than JSON Server-side rendering with hydrati