St. Helena's pickleball is recent and all of it is in one park. The courts were made in 2023 by converting a tennis court, after what the city describes as several years of discussion between neighbors, tennis players, other park users and staff. That history is not trivia. It is why the courts sit inside a busy shared park and why the city has been careful about writing rules for them.
The recreation department here is genuinely active. Softball, bocce, basketball, karate, free drop-in nights borrowed from the school gyms - and none of it is pickleball. The one racket-sport professional the city names on its own courts page is a tennis coach. So St. Helena is an unusually well-run town for organized sport and has no municipal way into this particular one.
The practical constraint is the calendar rather than the courts. This is a small town on the valley's main road, and a Tuesday morning in February and a Saturday afternoon in October are two different places. Lessons get booked with that in mind, at hours when the park is quiet enough to work in.