Received a call from 5102166332, but didn't recognized the number so I let it go to voicemail. No message left, so I looked it up here. Seems it's just another number to add to the block list.
Google shows 510-216-6332 is Pacific Construction and Design Company in Fremont. Check the Yelp website: https://www.yelp.com/biz/pacific-construction-and-design-fremont-2 for more info on these guys. Yelp research indicates Pacific Construction maybe associated with Home Advisors and uses the "We have contractors in your area" jingle.