Scientific Orientation Fundamental notion of the process character of reality. A process reality gives rise to a never-ending series of differences. As much or more attention is paid, therefore, to differences as to similarities.
The median home value in Petaluma, California, is $478,200. Home appreciation is 21.50% over the last year. The median age of Petaluma, California, real estate is 34 years. Renters make up 31.55% of the Petaluma, California, population. 4.64% of houses and apartments in Petaluma, California, are unoccupied (vacancy rate).
Housing prices: 1  Average estimated value of detached houses in 2015 (13.2% of all units): Hillcrest: $806,105. San Diego: $718,201. 2  Average estimated value of townhouses or other attached units in 2015 (6.2% of all units): This neighborhood: $521,242. city: $465,269.