Eviction of a commercial tenant in Washington state is governed by the Unlawful Detainer statute (RCW 59.12), which provides a faster, less tenant-protective process than the Residential Landlord-Tenant Act (RLTA). The "just cause" eviction requirements of RCW 59.18.650 do not apply to commercial tenancies.

1. Grounds for Commercial Eviction

A commercial landlord can generally evict a tenant for:

• Non-payment of rent after the lease's grace period (if any) has expired.
• Breach of any material covenant in the lease (e.g., violating the Permitted Use clause, failing to maintain required insurance, conducting unauthorized alterations).
• Holdover tenancy — the tenant remains in possession after the lease has expired without the landlord's written consent.
• Waste or nuisance — the tenant is actively damaging the property or conducting activities that constitute a public nuisance.

2. Notice Requirements

Non-Payment of Rent

Under RCW 59.12.030(3), if a commercial tenant has defaulted on rent for 3 days, the landlord can serve a notice demanding payment.

• However, the vast majority of commercial leases in Washington dictate their own, often more specific, notice procedures. The lease may specify a 3-day, 5-day, or 10-day Notice to Pay or Quit.
• Unlike the residential 14-Day Pay or Vacate notice, there is no statutory prohibition against including late fees and default interest in the commercial demand.

Lease Violations

For non-monetary lease violations, the landlord can serve a 10-Day Notice to Comply or Vacate (or the shorter cure period specified in the lease).

Holdover Tenancy If the lease has expired and the tenant refuses to vacate, the landlord can serve a 3-Day Notice to Quit under RCW 59.12.030.

3. Filing the Unlawful Detainer

If the tenant does not comply with the notice, the landlord's attorney files an Unlawful Detainer action in the Superior Court of the county where the property is located.

• A Summons and Complaint are served on the tenant.
• The tenant has a short period (typically 7 working days) to respond.
• If the landlord prevails, the court issues a Writ of Restitution, directing the Sheriff to physically remove the tenant from the property.

4. Self-Help Remedies: A Critical Difference

Unlike residential evictions, where self-help (lock-outs, utility shutoffs) is strictly illegal under the RLTA, the legality of self-help in the commercial context is more nuanced in Washington.

• Some commercial leases do include "Peaceable Re-entry" clauses, which theoretically allow the landlord to change the locks on an abandoned commercial property without a court order.
• However, exercising self-help is extremely risky. If the tenant sues and claims they did not actually abandon the premises, the landlord faces massive liability for business interruption damages.
• Best Practice: Even for commercial evictions, always proceed through the formal Unlawful Detainer process to eliminate legal risk.

5. Abandoned Property

A significant advantage for commercial landlords: unlike the RLTA, which requires landlords to inventory and store a residential tenant's abandoned property for a statutory period, commercial landlords are generally not required to store a commercial tenant's abandoned business equipment or inventory. The lease typically governs how abandoned property is handled.

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How Landager Helps

Managing Washington properties requires precision, especially with Seattle's strict security deposit caps and the statewide 30-day return deadline. Landager automates the mandatory move-in checklist process, tracks the 14-day "pay or vacate" notices, and ensures rent increases are delivered with the required 90-day notice. From managing installment payment requests to staying compliant with Just Cause eviction requirements, Landager helps you navigate the complex RCW 59.18 landscape.