The latest O.C. home inventory report from Steve Thomas at Altera Real Estate in Aliso Viejo says that as of September 17 …

* The “hottest” O.C. market in terms of “market time” (supply of homes for sale vs. new purchase deals inked in past month) is Portola Hills at 0.6 months to theoretically sell all for-sale homes at the current buying pace.
* “Coldest” market is Corona Del Mar at 10.8 months to theoretically sell all for-sale homes at the current buying pace.

Here’s at look at the 5 hottest and 5 coldest markets in O.C. as of last Thursday (supply for sale; new deals made; market time in months vs. a year ago and average listing price) by Thomas’ market time math.

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