Biggestfan --- a TON of great advice has already been given. We too are from the Bay Area and with a 2017 LHP. We just finished two years of outreach and effort to find a home for him in college. Like your son, ours has academics that are just a tick below Ivy. He too sits low 80s (this past summer) with his fastball and pitches to contact and has a great secondary and an ok third pitch. Also we played in a super competitive travel program and for a good high school system/league. What we found was that the process will tell you a lot, if you listen. What we heard is that our son fit the mold for a lot of Northeast schools... a California-raised LHP that is smart and can pitch/hit his spots. My son was not that unique here in CA -- but caught the attention of the schools in the CCA/Patriot/Ivy/NESEAC instantly. From there, it was a case of did my son perform at the right time at camps and showcases (Headfirst). In some cases he did great and others he didn't. That is just baseball. End of the day -- he passed on a few D1s that were interested because he knew there was a good chance he was going to struggle to get playing time for the first year or two -- and what was important to him was getting to play. So he opted for a D3 program that is a great academic school as well. He went where we felt the most love.
You son sounds like he throws just a bit harder than our son which will give him more options and good for him. Best of luck on the journey.