Look at this area in terms of

[rb_engineer]

Look at this area in terms of lot value (for standard size).

Near freeway or major artery: <800K
Non-freeway east of crest canyon: 1M
West of crest: 1.2M and up
Old Del Mar 1.4M and up

Above that you are paying for the structure. I think the lot values have indeed gone up about 10% a year since 2013.