1220 47th Avenue
This unusual mark gives us Dan Doyle’s address, which looks like 2028 E. 28th Street. At some point, probably when I’m finished with the whole city of Oakland, I’ll visit the locations of every sidewalk concrete contractor I can just to see what’s there today.

25 June 2022 at 4:42 pm
You may well have seen this one, but I spotted a faint hand-drawn Dan Doyle mark this morning on the west side of Madeline Street, I believe between Rhoda and Coolidge. It’s at the base of a driveway near the street.
25 June 2022 at 5:35 pm
I’ve documented two more here.