Try 1926. And yet there were some African Americans living in Oregon during this period. The exclusionary clause reflected measures in other states, North and South, which limited the rights of Blacks. It's worth noting, though, that the strongest supporters of the exclusionary clause also wanted slavery in Oregon and would have made Oregon a slave state if they had their way. After the 14th Amendment the clause was a dead letter.
No, 2002 is correct. Look up proposition 14 on the Oregon ballot from the election a few weeks ago. The thing hadn't been enforced in a long time, but part of it excluding blacks from property ownership was still in the state constitution. They just repealed it November 5.