Harkness-Houser Law PLLC is a Domestic Limited Liability Company registered in the state of DC. The business was filed on 05/08/2026 and is currently listed as Active - In Good Standing. The official file number for this entity is US-DC-LL052600620. The registered agent on file is Karen Harkness, located at 1202 Jackson St NE, Washington, DC, 20017. The principal office address is located at 1202 Jackson St NE, Washington, DC, 20017.