Are there poisonous spiders in washington

I think the really only poisonous spiders in Washington is the Hobo Spiders.

Here is a link: http://hobospider.com/info/index.html

All of the spiders in Washington are venomous. The question is: Are there any spiders in Washington that are dangerous to people? The answer is very few. The Black Widow and the Yellow Sac Spider are the only dangerous spiders whose native range includes Washington (DC), although a rare Brown Recluse is possible. If you are talking about Washington State, then add the Hobo Spider.

http://discovermagazine.com/2005/sep/bit…

There are Snakes in Washington DC!!
If you are asking if there are venomous spiders - then probably -- there are no "poisonous" spiders in N. America (poison means that they are poisonous to touch) -venomous means their bite is harmful -
Brown recluse and Black-widow spiders are venomous - although their bites usually do not kill -

In the washington DC area? Yes there are a few, the main one I know is the Brown Recluse, Ive encountered these things a few times in my basement, and I usually dont kill insects but I had to make an exception...

yes possibly