To provide a little guidance in response to your question, a tenant does have a reasonable right to privacy and enjoyment and use of the leased premises, subject to certain restrictions which are identified in Washington's Residential Landlord Tenant Act (RCW 59.18.150). Pursuant to subsection (6) (of RCW 59.18.150): "The landlord shall not abuse the right of access or use it to harass the tenant. Except in the case of emergency or if it is impracticable to do so, the landlord shall give...