Yea, you are basically describing college park, Walnut and Greentree communities.
There is also a smaller area near Myford Elementary that has no HOA, but the price goes up to the 1.6m range.
Something interesting about the older Irvine area is that there is a slight gentrification going on as the older generation retires/dies off, and younger higher income families move in.
The HOA there is also a bit more relaxed in general, which can be a good or bad thing. At least no one going around bothering people for putting up the Halloween decors too early, or remove a Christmas sugar cane from the door a week too late.