Bargain hunters looking to scoop up heavily discounted office properties in Silicon Valley soon may have a lot of company on the acquisitions side as a revival of the return to office push picks up the pace of investment sales.

Recent deals for two separate campuses in San Mateo and Santa Clara are harbingers of renewed interest among buyers in the tech hub's office market, which has been battered by high vacancy rates and plunging office valuations.

Investors in these office assets are placing bets on a recovery that the conventional wisdom in recent months has deemed a long shot sentiment that now appears to be shifting towards a speedier return on investment as momentum for more in-person office work grows.