It's not marital property strictly speaking if he acquired it before the marriage, but it's still subject to equitable distribution. You should make a claim for a share of the house, with emphasis on any increase in equity during the marriage, whether as a result of your own labor or just mutual contributions to the household. You may not be awarded the house - as you say, you can't afford the mortgage anyway - but he could be ordered to refinance and pay you some of the equity that's been raised. (If there is no equity, then there's nothing to distribute, and the house is more liability than asset anyway.) This point should be raised in the pleadings of your divorce. Your question doesn't make it clear where in the divorce process you may be, so I can't be more specific. You should consult with a domestic relations attorney in your area.
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I would also argue that, even if it was pre-marital property, your husband "comingled" the house. If you lived together in the house, this fact is helpful, and the longer you lived there, the better. If you lived in the house at times when he lived elsewhere, even better. If you put worth into the house, or materials, or invested in its purchase somehow, better still.
You would also want to argue that it is "equitable" that the home be treated as marital property. The difference in income bolsters this argument. So does the fact that he has two other houses.
Finally, I noticed a number of recent questions that seemed to have been posted by the same person about the same fact scenario. If you posted all (or even several) of these, it sounds like you have a lot going on with your case and would REALLY benefit from the help of a family law attorney.
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In addition to the other comments, I would add that if you are in the middle of a divorce proceeding, you can apply to the court for a temporary order or a limited judgment which could address the issue of the payment of temporary spousal support and the payment of debt prior to trial. I would encourage you to contact an attorney experienced in Oregon domestic relations law to sort out your options.