Crawl Space Portland eliminates all rat and mouse entry points, without poison baits. We offer a one year guarantee that the rodents will not return. Call now to schedule your rodent consultation. We at Crawl Space Portland want to prevent further damage to your property. We have examined and treated thousands of rat and mouse damage issues. Our depth of experience and over 27 years of continuous service to the Portland Oregon area have allowed us to develop an integrated process of denying rats and mice an entry to your home. At the same time, we are cleaning up and restoring the attics and crawlspaces that these rodents have damaged.