Well you know I have OCD and I'm a neat person, but for me personally, it has nothing to do with OCD, I just like living in a clean, comfortable enviornment. My mom is the same way, she's like a little kid. She brings her stuff out and then leaves it out and doesn't put it away. For years I would put all of her stuff away and I think she just got used to the fact that I would put all her stuff away for her, but not anymore. Now I just leave it where she puts it. For instance, once she left the plastic dustpan on the garage floor below her car. Well sorry to say the dustpan is no more because she ran it over! lol (True Story)
The funny thing is my mom clompains about having to clean, but 3/4 of the stuff she cleans is stuff she never put away or a mess she made that never cleaned up to begin with!
But I digress, point being that I'm a neat person, and although I have OCD my OCD doesn't play into or drive the fact that I'm a neat person. My grandmother kept her house so clean that even her dirt was clean, but then again, she doesn't have OCD. I mean there is a line between just being a slob and being generally neat, and from what you've said your husband is bordering on slob.
I will say that I don't think it's a great idea for someone who is OCD about cleanliness expose themselves right away to a situation like you have as it could cause alot of anxiety and a panic attack. There's really no cure for OCD, but medication and therapy combined is the best treatment!