I hate to resurrect old threads like this, but I've lived in Sacramento my whole life, and once I saw this thread saying there were hops near Watt Ave and Howe Ave, I HAD to check it out! I spent about 4 hours looking around pretty well. I spent like 2 hours near Guy West Bridge, going about a mile from the bridge on each side, looking. Then I spent about 2 more hours near Watt Avenue, mainly on the south side of the river.
Unfortunately, I couldn't find any. I found PLENTY of blackberry bushes, whose leaves look deceivingly like young hop leaves. So no hops, but I filled up on blackberries.
So, slomo, have you checked them recently, and were they close to the water?
If you have any info, that'd be awesome.