Seneca, OR - homes for sale

All information provided is deemed reliable but is not guaranteed and should be independently verified. The content relating to real estate for sale on this web site comes in part from the IDX program of the RMLS of Portland Oregon. Real estate listings held by brokerage firms other than CENTURY 21 Northstar are marked with the RMLS logo and detailed information about these properties includes the names of the listing brokers. Copyright 2026 RMLS, Portland, Oregon. Last updated: January 27, 2026