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Washington Mid-Term Rental Leases and Deposits: An Owner Guide

Structure Washington mid-term rental agreements, Seattle move-in charges, condition checklists, holding deposits, installment rights, and deposit accounting.

June 22, 2026 • By URPM Team
Washington Mid-Term Rental Leases and Deposits: An Owner Guide

A furnished monthly lease must do more than name a price and dates. It allocates possession, money, utility responsibility, access, repairs, occupants, extensions, and move-out duties under Washington law and any stricter local rules. Deposit disputes usually begin before move-in: an unclear charge, missing checklist, vague inventory, or promise made outside the agreement.

Identify the tenancy precisely

Use legal names, property address and unit, authorized occupants, fixed or periodic term, possession time, rent, due date, payment method, and notices. State whether an employer or other party guarantees payment without confusing the payer with the occupant. Do not rely on platform labels such as monthly stay to determine legal status. Have Washington counsel choose and review the agreement.

Separate every move-in amount

List first rent, refundable security deposit, permitted nonrefundable fees, pet deposit, holding deposit, and any prepaid amount separately. Seattle currently limits the combined security deposit and move-in fees, restricts the purposes and amount of nonrefundable fees, and provides installment rights based on lease length. Pet deposits and screening charges have their own rules. Verify the current City table before sending a ledger.

Understand holding deposits

Washington law regulates money paid to reserve a dwelling before the rental agreement is signed, including written conditions and a cap tied to first month's rent. The owner should issue a receipt, state what happens if the application is approved or denied, and promptly credit or return funds as required. Never call ordinary rent a holding deposit to avoid other rules.

Complete the checklist before collecting a deposit

RCW 59.18.260 requires a written rental agreement and a signed, dated checklist describing the condition and cleanliness of the premises when a deposit is collected. For furnished housing, attach an inventory or incorporate it clearly. Give the tenant a copy and retain photographs keyed to checklist entries. Generic excellent-condition boxes are weak evidence.

Write extension and move-out mechanics

State how a fixed term may be extended, who can request it, notice deadlines, rent changes, and the need for a signed amendment. Address keys, cleaning, forwarding address, inspection, abandoned items, utility closeout, and deposit accounting. Do not insert a clause purporting to waive rights that law makes nonwaivable.

Account for the deposit with evidence

At move-out, compare against the signed checklist and distinguish ordinary wear from tenant-caused damage. Keep invoices, estimates, photographs, and calculations. Seattle's current guidance says the deposit or a full itemized statement must be mailed within 30 days after move-out. Check current state and local law at the time, use the required delivery method, and preserve proof.

FAQ

What should an owner address first?

Start with identify the tenancy precisely. Use legal names, property address and unit, authorized occupants, fixed or periodic term, possession time, rent, due date, payment method, and notices.

What is the most important operational control?

Turn separate every move-in amount into a written, dated workflow with a named owner and retained evidence.

Where does this fit in the wider rental strategy?

Use the Seattle mid-term rental guide for the cluster overview and compare URPM's local management scope with the work the owner can perform consistently.

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