Castle Rock, WA Security Deposit Laws 2026
Washington limits security deposits to 2 month(s) of rent. In Castle Rock, that's $2,902 at the median 2BR rent of $1,451/month. Miss the 21-day return deadline and you could owe $2,902+.
In Washington, landlords must return security deposits within 21 days after move-out. The maximum deposit is 2 month(s) of rent. Failure to return on time or provide an itemized statement can result in penalties of $2,902 or more.
Key Takeaways — Castle Rock Security Deposit Laws
- Maximum deposit: 2 month(s) of rent = $2,902 at Castle Rock's median rent
- Return deadline: 21 days after tenant moves out
- Penalty for late return: Up to 2x the deposit ($2,902)
- Itemized statement: Required with any deductions
Security Deposit Laws in Castle Rock
Under Washington law, landlords in Castle Rock may collect a maximum security deposit of 2 month(s) of rent. At Castle Rock's median 2-bedroom rent of $1,451/month, that means the most you can legally collect is $2,902.
$2,902
max deposit (2mo × $1,451)
21 days
return deadline
$2,902
max penalty for late return
Returning the Deposit: The 21-Day Clock
Once a tenant moves out of your Castle Rock rental, Washington law gives you exactly 21 days to either return the full deposit or provide an itemized statement of deductions. The clock starts on the day the tenant surrenders possession — not when you inspect the unit.
What you can deduct from a security deposit in Castle Rock:
- Unpaid rent
- Damage beyond normal wear and tear
- Cleaning costs to restore the unit to move-in condition
- Costs for restoring or replacing personal property (if lease allows)
What you cannot deduct:
- Normal wear and tear (minor scuffs, carpet wear, faded paint)
- Pre-existing damage (document with photos at move-in)
- Professional cleaning if the tenant left the unit in reasonable condition
Penalty Warning
Violate Washington security deposit laws rules in Castle Rock and you could owe $2,902+. At Castle Rock's median rent of $1,451/month, even a single violation adds up fast.
Don’t risk it. Let LeaseBase handle the compliance.
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How Castle Rock Rents Affect Deposit Amounts
Deposit amounts scale with local rents. Here's what Castle Rock landlords typically collect:
| Unit Size | Median Rent (Castle Rock) | Max Deposit (2mo) | Penalty Risk |
|---|---|---|---|
| Studio | $1,000/mo | $2,000 | $4,000 |
| 1-Bedroom | $1,199/mo | $2,398 | $4,796 |
| 2-Bedroom | $1,451/mo | $2,902 | $5,804 |
| 3-Bedroom | $2,018/mo | $4,036 | $8,072 |
Rents based on HUD Fair Market Rents (FY2026) for Cowlitz County.
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More Castle Rock Landlord Laws
Security Deposit Laws in Nearby Cities
Own properties in multiple cities? Rules may differ locally:
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Download Free ChecklistReviewed by Rachid Abadli
Founder & CEO, LeaseBase · Sacramento landlord · Self-managing since 2019
LeaseBase is a property management platform — not a law firm. Consult an attorney for legal advice specific to your situation.
