How do i contact the lane county probate department? The Probate Department is located on the 2nd floor of the Lane County Courthouse. Office hours are Monday through Friday, except court holidays, 8:00 a.m. to 5:00 p.m. You may contact the Probate Department by phone at 541.682.4033.Where can i find information about lane county law? In addition, the Lane County Law Library is located in the basement of the Lane County Courthouse and is open to the public. You can look there for helpful publications and information.Where to find building records in lane county oregon? Address and Phone Number for Lane County Permits, a Building Department, at East 8th Avenue, Eugene OR. Find Lane County residential building & property records including ownership, land use & zoning, parcel & structural descriptions, market valuations, sales history, tax assessments, deeds & more.