Due to signals bouncing off the buildings, the first stage coordinates are a bit variable, but will take you close enough to spot the landmark plaque which you need to determine the location of the cache.
This historic building was once the home of the Framåt Lodge, a Swedish-American fraternal and cultural hall. Berkeley attracted a large number of immigrants from Scandinavia, leading to among other things, a strong Cooperative Movement in Berkeley in the middle years of the 20th century. The plaque here gives a bit of the history of the building, including the laying of the cornerstone by Prince William of Sweden.
The cache is nearby at N 37° 52.ABC W 122° 16.DEF where
A = third digit of the year the cornerstone was laid
B = first digit of lodge number
C = last digit of the year the lodge was landmarked
D = third digit of the year the Vasa Order lost the building
EF = numeric value of the month the cornerstone was laid
Reception at the final coordinates is also a bit spotty because of the urban canyon effects, but be assured that you will be on the sidewalk at GZ.
This location can be crowded with muggles at times. Use appropriate stealth when retrieving and replacing the cache.
There is on-street parking, but depending on the time of day, it can come at a price when available. The price goes up steeply if you haven’t paid for your parking when the parking control officer comes by. There is free 2-hour parking across the street to the west, but it can be difficult to find a close spot much of the time. On the other hand, if you haven’t visited downtown Berkeley, there a few other geocaches nearby (as well as fine restaurants) and it is readily accessible by public transportation.