There is a hotel here now, Residence Inn. No longer empty space.
https://www.marriott.com/hotels/hotel-rooms/sbago-residence-inn-santa-barbara-goleta/

Neighbor Tim's BBQ, 152 Aero Camino
https://www.yelp.com/biz/neighbor-tims-bbq-goleta-6

Cristino's Bakery
https://www.grubhub.com/restaurant/cristinos-bakery-170-aero-camino-goleta/1257348

Unable to answer "What is being cultivated here?" for way/125930062 via StreetComplete 29.1:

Avocado is grown here

Out of business

Vicentas is out of business. Cannot find source, but location is vacant.

Whole building is Raytheon

Source: https://www.hayescommercial.com/2014/09/google-to-open-facility-in-goleta/

Possible Google office here

This apartment complex is missing information on open street maps, the place in question is sandpiper apartments on Ellwood Beach Drive.
It's first building units are on 355 Ellwood Beach Drive, Goleta, California, 93117, USA