The return will be gradual, starting at about 10 percent building capacity, he said. The company aims to ramp up to 30 percent capacity by September.

For those who want to continue working from home, the company will allow employees to expense up to $1,000 for equipment and furniture, including things such as standing desks and monitors. Google has been more vocal about employees returning to the workplace while other tech giants have touted permanent work from home options.

Pichai's remarks to staff come days after Facebook CEO Mark Zuckerberg said the social networking giant will allow some employees to work from home permanently. He said about half of Facebook's workforce could be remote over the next five to 10 years.