Colorado Landlord-Tenant Law
The rules Colorado landlords ask about most — deposits, late fees, and required notices — in plain English.
Security deposit limit
1 month's rent
Deposit return deadline
30 days
1-month cap reported effective 2026 (verify locally); return may extend to 60 days if lease specifies
Late fee rules
Greater of $50 or 5% of past-due rent; 7-day grace
Pay-or-quit notice (nonpayment)
10 days
5 days for certain single-family
Rent increase notice (month-to-month)
21 days
21 days (2024 law)
Not legal advice. This is general information for landlords and laws change — local ordinances (rent control, fee caps) may add rules. Confirm the current Colorado statute or consult an attorney before acting.
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