Electronic Wills in Washington: How E-Signing, “Electronic Presence,” and a Qualified Custodian Make an E-Will Valid Under State Law by CarlGlendon Published: March 14, 2026 (2 days ago) Category Business Link Electronic Wills in Washington: How E-Signing, “Electronic Presence,” and a Qualified Custodian Make an E-Will Valid Under State Law Estate planning now happens through online records and remote communication. Washington law reflects that shift. A last will and testament in Washington does not have to stay on paper when the legal steps for an electronic will are followed.