Here's what I found:

Union County
Served by Legal Aid Services of Oregon, Pendleton Regional Office
365 SE 3rd St.
P.O. Box 1327
Pendleton, OR 97801-0260
541.276.6685 or 800.228.6958

Also served through monthly outreach at Senior Center in La Grande.
1.800.843.1115

Legal assistance to low-income persons in the areas of Family Law (custody, divorce, FAPA/restraining and stalking orders, child support, suit money); Income Maintenance (collections, public benefits); Employment; Wills; Housing (72 hour FED with rent, habitability claims, denied subsidized housing, termination of subsidized housing, lockouts)