Thought I would help you down the rabbit hole.
https://bayarearocketry.com/ One of many vendors to choose from, however these guys may be fairly close to you.
I was once in your shoes as well, been out for some time. Then my 16-year old son said about two years ago now, "
hey dad, are you ever going to launch that rocket sitting in the basement that you built in 98" I said how do you know I built it in 98, you were not even born yet. He said
you wrote 6/98 on the bottom of the plate where the motor must go in. Do you think it would even fly? I then searched for a forum to see what I would need to fly it, found this community, and well........now I happily have about 30 of them in the basement, 15% of the pile is completed
And so the story goes