I grew up in Ventura (it’s a city. :D) and rode at the edge of Santa Paula in Wheeler Canyon. It’s been about 25 years and I’m no longer familiar with who is training there.
If you are living in Ventura, you may also want to consider going north. There are some trainers there that might meet your needs. Corinne Bevis of San Marcos Training in Carpinteria (closer than Santa Barbara), Alanna Bloomberg of Gracelynd Hill, Rebecca Bruce of Sunnybrook and a few others. SB will be about a 30 minute drive depending on where you are in Ventura. You will also be going the opposite way of traffic…but there is a lot of construction in that area right now that could put a damper on a commute. I would try any drives out before committing on a place, either north or south.
(and if you decide to go South to TO, Moorpark, Somis, what have you, you can always take the back way which is usually significantly faster than the 101)
Oh, and I sent you a PM with a trainer to avoid. 
[QUOTE=ammy-ville;7596641]
Haven’t lived there in 25 years… There were at least three barns on Wheeler Canyon Road up until just a few years ago at least. [/QUOTE]
I’m now wondering if I “know” you.
I rode with Jill Simpson about 25 years ago. I’ve got newspaper pictures of my horse in the front pasture of the farm we where at with the flames from the huge Wheeler Cyn fire right up over the hill in whatever year that was. Seems like a lifetime ago.
You could contact Calabassas Saddlery and ask for references maybe… or The Wharf in Ventura, if its still there, again was as of a few years ago.
The Wharf is still there. It’s still great for stable supplies and the few odd basic pieces of english tack but is, as always, mostly western. I stop by about once a year when I’m visiting my mom in Ventura.