Good Morning, Kathy --

I am sorry to hear that you are struggling with some pine trees! We do have a tree team, though unfortunately right now they are not conducting in person visits (which they normally do). However, you can email them directly by sending an email to <personal data hidden> and putting "For Tree Team" in the subject line. I suggest adding a few more photos, including close ups (you can follow this guide https://boulder.extension.colostate.edu/wp-content/uploads/sites/7/2021/04/Digital-Photography-for-Plant-Problem-Diagnosis-or-Plant-ID-003.pdf). 

Generally, if the dead branches are more towards the bottom of the tree, this may not be cause for a lot of concern. Often, the branches at the bottom of pine trees are not receiving as much light/sun as those at the top and thus naturally die off. If you go hiking, take a look at the pine trees and you'll notice that most of the lower parts of the trees are missing branches, particularly as they get taller. 

With more photos, I'm sure the tree team will be able to help!

Kindly,

Jasmine