San Juan County, Washington Eviction Risk: Elevated

San Juan County, Washington scores 5.1/10 (Moderate) on the EvictionRiskMap scale, placing it in the middle third of the state. Of the 39 Washington eviction laws counties ranked, 22 carry higher eviction risk than San Juan County and 16 are less risky, meaning landlords here face conditions that are neither the state's most challenging nor its most forgiving. With an average rent of $1,638 and a rent burden rate of 30.6%, tenants are paying a meaningful share of income toward housing, which contributes to the moderate risk profile.

The county's 4 tracked cities span a score range from 4.6 to 5.4, a spread that signals meaningfully different operating conditions depending on where a property sits. Investors evaluating the San Juan County market should not treat the county average as a single operating reality, because the intra-county variation makes city-level due diligence essential. A total population of 4,652 across those cities reflects a small, island-geography market with limited comparable rental inventory.

The cities inside San Juan County

Friday Harbor is the county seat and by far its largest community, with a population of 2,728 and a score of 5.4/10, the highest risk reading in the county. Landlords operating in Friday Harbor should plan for the full weight of Washington eviction laws state tenant protections applied against a tight rental supply, conditions that can slow turnover and complicate non-renewal decisions. Roche Harbor, at 778 residents and a score of 4.7/10, offers a somewhat more manageable risk profile while still sitting in Moderate territory.

River Road and Jamestown each score 4.6/10, the county's lowest readings, with populations of 756 and 390 respectively. Those numbers mark the lower bound of risk within San Juan County, though even at 4.6 a landlord still contends with Washington eviction laws's statewide just-cause and rent-cap framework. Risk here is genuinely hyper-local, and the gap between Friday Harbor and River Road is wide enough to affect real underwriting decisions.

State-level laws that apply here

All San Juan County landlords operate under the Washington eviction laws Residential Landlord-Tenant Act, codified at RCW § 59.18. For nonpayment of rent, Washington eviction laws law requires a 14-day pay-or-vacate notice under RCW 59.18.057. A curable material breach triggers a 10-day notice, while waste, nuisance, or unlawful activity can be addressed with a 3-day notice. For no-fault terminations, the Washington eviction laws eviction process demands 90 days notice for just-cause situations such as owner move-in or substantial rehabilitation, and just-cause is required for most terminations of longer tenancies under RCW 59.18.650.

Understanding Washington eviction costs is equally important for budgeting. Court filing fees run $83 flat, sheriff lockout fees range from $50 to $150, and attorney fees can add $1,000 to $3,500 depending on case complexity. An uncontested eviction typically resolves in 30 to 60 days, while a contested case can stretch to 60 to 150 days. Washington eviction laws also imposes a rent increase cap formula of 7% plus CPI, maximum 10%, and the state does not preempt local rent control measures, meaning jurisdictions in Washington eviction laws retain the ability to impose their own limits. Landlords considering Washington security deposit limits and local ordinances should factor both the state floor and any municipal layers into their compliance review.

San Juan County's poverty rate of 9.5% and renter share of 30.3% reflect a small island community where most residents are owners, but the renters who are present face meaningful cost pressure at an average rent of $1,638. The city-level scores in the grid above show where within the county that pressure is most concentrated.