Sumas · Washington
Sumas, WA Landlord Laws 2026
Every housing law that applies to Sumas landlords — security deposits, eviction rules, rent increases, and more. Updated for 2026.
Based on Washington state law.
Sumas Rental Market in 2026
$1,794
median 2BR rent
1,665
population
$3,588
max security deposit
Sumas landlords must comply with Washington state landlord-tenant laws. At a median 2-bedroom rent of $1,794/month, understanding deposit caps, notice periods, and eviction rules can save you thousands in penalties.
Local Housing Market Data
The HUD Fair Market Rent for a 2-bedroom in Sumas is $1,794/month, which affects Section 8 voucher amounts and affordable housing calculations.
Key Takeaways for Sumas Landlords
- Security deposit: Capped at 2 month(s) of rent ($3,588 at median rent). Must return within 21 days or face penalties up to $3,588.
Washington Laws That Apply in Sumas
HB 1217 — Rent Stabilization Act
Wash. Rev. Code §59.18.170 et seq. (as amended)
Statewide rent cap (7% + CPI) and just cause eviction protections. Signed May 2025. New construction exempt for 12 years.
Washington Residential Landlord-Tenant Act
Wash. Rev. Code §59.18.010 et seq.
Comprehensive landlord-tenant law covering security deposits, habitability, eviction, and tenant rights.
Sumas Landlord Law Topics
Click any topic below for detailed Sumas-specific rules, deadlines, penalties, and free compliance tools.
Security Deposit Laws
Sumas-specific rules and penalties →
Eviction Process & Notice Requirements
Sumas-specific rules and penalties →
Rent Increase Laws
Sumas-specific rules and penalties →
Landlord Entry & Access Rules
Sumas-specific rules and penalties →
Maintenance & Habitability Standards
Sumas-specific rules and penalties →
Late Fee Limits
Sumas-specific rules and penalties →
Lease Termination & Renewal
Sumas-specific rules and penalties →
Fair Housing Protections
Sumas-specific rules and penalties →
Tenant Screening Rules
Sumas-specific rules and penalties →
Required Landlord Disclosures
Sumas-specific rules and penalties →
Rent Control
Sumas-specific rules and penalties →
Property Registration Requirements
Sumas-specific rules and penalties →
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Don’t Risk Penalties
At Sumas’s median rent of $1,794/month, a single deposit violation could cost you $3,588+. A wrongful eviction can cost thousands more in court fees, relocation payments, and damages. Know the rules before they cost you.
Don’t risk it. Let LeaseBase track Sumas compliance for you.
Deposit deadlines, eviction notice periods, rent cap calculations — monitored automatically.
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Nearby Cities — Landlord Laws
Own properties in multiple cities? Laws may differ. Check the rules for nearby areas:
Pop. 1,539
Same state laws apply — check for local ordinances
Everson, WAPop. 3,071
Same state laws apply — check for local ordinances
Lynden, WAPop. 16,551
Same state laws apply — check for local ordinances
Ferndale, WAPop. 15,992
Same state laws apply — check for local ordinances
Bellingham, WAPop. 94,720
Same state laws apply — check for local ordinances
Check your Sumas property’s compliance
Track Washington landlord-tenant law compliance, collect rent online, and manage maintenance — all in one platform.
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Reviewed 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.
