Guide
Last updated: July 28, 2026
Every local business that wants customers is on Google Maps: dentists, roofers, gyms, law firms, med spas, plumbers. That makes it the most complete, most current business directory on earth, and one of the best sources of B2B leads anywhere. The catch is getting the data out. This guide covers the three ways to do it, what each one costs, and how to solve the hard part, which is emails.
The zero-budget version works like this: search Google Maps for a category in a city, open each listing, and copy the name, phone and website into a spreadsheet. Then visit each website, hunt for an email address, and paste that in too.
It works, and for a handful of high-value prospects it is genuinely fine. The problem is arithmetic. At two to three minutes per complete row, a hundred leads is a full working day, and a thousand leads is two weeks of copy-paste. Worse, Google Maps does not show email addresses at all, so the most valuable field on your list requires opening every single website by hand.
If you can code, you can automate the collection: drive a browser or call an API, page through results, and parse out the fields. Be realistic about what you are signing up for, though. A homegrown Maps scraper needs proxy rotation and anti-bot handling, breaks whenever the page structure changes, and still leaves the email problem unsolved, because emails live on thousands of differently-built business websites, not on Maps. Extracting them well means crawling each site, telling real addresses apart from junk, and verifying that the inboxes accept mail. It is a real engineering project, not a weekend script.
Purpose-built tools do the collection, the email extraction and the clean-up in one pass. Here is what the workflow looks like in MapsData:
A scrape that would take weeks by hand finishes while you get coffee, and the first 500 leads are free.
Whatever method you choose, understand where the difficulty actually lives. Google Maps gives you names and phone numbers easily. It never gives you emails. Roughly a third of listed businesses publish an email somewhere on their website, and finding it means crawling contact pages, footers and about pages, then separating real inboxes from tracking artifacts and placeholder addresses, then verifying deliverability so your sender reputation survives the campaign. This is the step that separates a usable lead list from a spreadsheet of names, and it is the step worth paying for or building carefully.
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