Technically, the person is smoking in his own unit so it's unclear if strong odors from smoking are any different from the neighbor that likes to fry fish or cook exotic stews.
I shared this article with my client so figured I'd share it here as well. The net of it is it's hard to change the rules of a condo with a simple majority though grandfathering the current offenders might be one way to do it.
Amending condo documents is not easy. The legislators who enacted the condo laws wanted to make sure that a small minority (or even a slim majority) could not change certain basic issues — issues that directly affect all owners.
Proponents and opponents of the proposed smoking ban would mount a vigorous campaign. One method many associations use to encourage reluctant owners to vote in favor of a proposal (such as limitations on the number of investor owners) is to “grandfather” current owners. In other words, current owners may smoke in their units but when they sell, the unit must be smoke-free forever.
Here's the full article.
By Wendy Leung with Seattle Condo Review. A guide to Seattle condos exclusively for buyers and sellers.
It is really very important that condo units have specific place where smokers can only smoke that way they cannot affect other residents of the building. To make a smoke-free condo it is very important that management have a clear law on it and the residents have a clear understanding about it.