Last updated: April 2026
Castle Rock renters are protected by Colorado's statewide landlord-tenant laws — including a 91-day notice requirement and treble-damage penalties for wrongful deposit withholding — but the town has no local rent control or just-cause eviction rules.
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Castle Rock is Douglas County's county seat and one of Colorado's fastest-growing communities, with a population that has roughly doubled in the past two decades. The vast majority of renters in Castle Rock are governed exclusively by Colorado state law — the town has not enacted any local rent control, just-cause eviction, or tenant-protection ordinances beyond what the state requires.
Colorado's landlord-tenant framework was significantly updated in 2021 with the passage of Senate Bill 21-173, which strengthened several tenant rights including habitability remedies, anti-retaliation protections, and the right to a court-appointed attorney in some eviction proceedings. Castle Rock renters benefit from all of these statewide reforms. Key statutes include C.R.S. § 38-12-101 et seq. (security deposits), C.R.S. § 38-12-501 et seq. (warranty of habitability), and C.R.S. § 13-40-101 et seq. (eviction procedures).
This guide summarizes Colorado's statewide protections as they apply to Castle Rock renters. It is informational only and does not constitute legal advice. Renters facing urgent housing issues should contact Colorado Legal Services or a licensed Colorado attorney.
Castle Rock has no rent control, and landlords may raise rent by any amount. Until 2021, Colorado state law (C.R.S. § 38-12-301) explicitly prohibited local governments from enacting rent control. Senate Bill 21-173 removed that statewide preemption, meaning Colorado municipalities are now legally permitted to adopt rent stabilization ordinances — but Castle Rock has not done so, and as of April 2026 no such ordinance is in effect.
In practice, a Castle Rock landlord may increase rent by any dollar amount at any time, subject only to the notice requirements in the lease and C.R.S. § 13-40-107. For month-to-month tenants, Colorado requires 91 days' written notice before a landlord may terminate the tenancy, which effectively means a tenant has at least 91 days' notice before being forced to accept a new rent or move. Fixed-term leases are governed by the terms of the lease itself — landlords cannot raise rent mid-lease without the tenant's written consent.
Tenants concerned about rising rents in Castle Rock have no local mechanism to challenge an increase. If a rent increase is unaffordable and you choose not to renew, ensure you provide the required written notice under your lease to avoid liability for additional rent.
Colorado's Warranty of Habitability Act (C.R.S. § 38-12-501 through § 38-12-511) requires Castle Rock landlords to maintain rental units in a habitable condition throughout the tenancy. A unit is considered uninhabitable if it lacks functioning heating systems adequate for Colorado's climate, has substantial water leaks, contains mold caused by the landlord's failure to maintain the premises, lacks functioning plumbing or electrical systems, or has conditions that pose a serious risk to the tenant's health or safety.
If your unit has a habitability problem, you must provide written notice to your landlord. After receiving notice, the landlord generally has 24 hours to begin remedying an emergency condition (such as loss of heat in winter) and a reasonable period — generally not more than 96 hours for urgent conditions — to complete repairs. For non-urgent habitability issues, landlords have up to 30 days after written notice. If the landlord fails to act, Colorado law allows tenants to terminate the lease, reduce rent proportionally, or pursue legal action (C.R.S. § 38-12-507).
Colorado's Anti-Retaliation Statute (C.R.S. § 38-12-509) protects tenants who report habitability violations or exercise their legal rights. A landlord may not increase rent, decrease services, threaten eviction, or take adverse action against a tenant within 90 days of the tenant complaining about conditions or filing a government complaint. If retaliation is proven, the tenant may recover actual damages, attorney's fees, and injunctive relief.
Colorado prohibits self-help eviction. A landlord cannot change locks, remove doors, shut off utilities, or otherwise attempt to remove a tenant without a court order. Violations expose the landlord to civil liability. Eviction must proceed through the formal court process under C.R.S. § 13-40-101 et seq., including proper written notice and a court judgment before any writ of restitution is issued.
Security deposit rules for Castle Rock renters are governed by C.R.S. § 38-12-102 and § 38-12-103. Colorado does not cap the dollar amount of a security deposit — a landlord may request any amount — but the rules governing return are strictly enforced.
Return Deadline: After you move out, your landlord has 30 days to return your security deposit along with a written, itemized statement of any deductions. If the lease expressly provides for a longer period, the deadline may be extended to up to 60 days (C.R.S. § 38-12-103(1)). The clock generally starts when you vacate and provide your forwarding address. Send your forwarding address to your landlord in writing — and keep a copy — when you move out.
Treble Damages for Wrongful Withholding: If your landlord willfully fails to return the deposit or provide the required itemized statement within the applicable deadline, Colorado law allows you to sue for up to three times (treble) the amount wrongfully withheld, plus reasonable attorney's fees (C.R.S. § 38-12-103(3)). This is one of the strongest deposit-return penalties in the country. Wrongful withholding includes retaining amounts for normal wear and tear or failing to provide any statement at all.
Allowable Deductions: Landlords may deduct for unpaid rent and damage beyond normal wear and tear. Normal wear and tear — minor scuffs, small nail holes, carpet worn from ordinary use — cannot be charged to you. Photograph and video your unit at move-in and move-out with timestamps to protect against improper deductions. Small claims court in Douglas County handles deposit disputes for amounts up to $7,500.
Evictions in Castle Rock must follow Colorado's formal judicial process under C.R.S. § 13-40-101 et seq. A landlord cannot remove a tenant through self-help — changing locks, removing belongings, or shutting off utilities without a court order is illegal and may expose the landlord to damages.
Written Notice: Before filing for eviction, a landlord must serve written notice on the tenant. The required notice period depends on the reason: nonpayment of rent requires a 10-day demand notice (C.R.S. § 13-40-104(1)(d)); lease violation requires a 10-day cure-or-quit notice; month-to-month termination without cause requires 91 days' written notice (C.R.S. § 13-40-107). These are minimum state requirements — leases may specify longer periods.
Court Filing and Hearing: If the tenant does not comply with the notice, the landlord may file a Forcible Entry and Detainer (FED) complaint in Douglas County Court. A hearing will be scheduled, typically within 7–14 days of filing. Tenants have the right to appear and present defenses, including habitability violations, improper notice, retaliation, or payment of rent. Since SB 21-173, Colorado tenants facing eviction for nonpayment may have the right to a court-appointed attorney if income-eligible — contact Colorado Legal Services to check eligibility.
Writ of Restitution: If the court rules for the landlord and the tenant does not appeal, the landlord may obtain a writ of restitution. Only the county sheriff may physically remove a tenant. Tenants have the right to appeal an unfavorable judgment to the Colorado District Court within the timeframe specified by the court.
No. Castle Rock has no rent control ordinance. While Colorado removed its statewide ban on local rent control in 2021 (SB 21-173), Castle Rock has not enacted any rent stabilization law. Landlords in Castle Rock may raise rent by any amount, subject only to proper notice requirements.
There is no limit on rent increases in Castle Rock. A landlord can raise rent by any amount. For month-to-month tenants, Colorado law (C.R.S. § 13-40-107) requires at least 91 days' written notice before a tenancy termination, which effectively gives you 91 days to accept a new rent amount or find alternative housing. Mid-lease rent increases are not permitted without your written consent.
Your landlord has 30 days after you vacate to return your deposit with an itemized written statement of deductions — or up to 60 days if the lease expressly allows it (C.R.S. § 38-12-103). If your landlord willfully fails to return the deposit on time, you may sue for up to three times the amount wrongfully withheld, plus attorney's fees (C.R.S. § 38-12-103(3)). Provide your forwarding address in writing when you move out.
It depends on the reason. For nonpayment of rent, your landlord must give a 10-day written demand notice. For lease violations, a 10-day cure-or-quit notice is required. To terminate a month-to-month tenancy without cause, Colorado law (C.R.S. § 13-40-107) requires 91 days' written notice. After proper notice, the landlord must still file in Douglas County Court and obtain a judgment before you can be removed.
No. Self-help eviction is illegal in Colorado. A landlord cannot change your locks, remove your belongings, or shut off utilities to force you out without a court order. Only the Douglas County Sheriff may physically remove a tenant after a court-ordered writ of restitution. If your landlord attempts an illegal lockout, document the situation and contact Colorado Legal Services immediately.
Send your landlord a written repair request and keep a copy. Under Colorado's Warranty of Habitability Act (C.R.S. § 38-12-501), landlords must address emergency repairs within 24 hours and urgent conditions within 96 hours. For non-urgent issues, landlords have up to 30 days. If the landlord fails to act, you may have the right to reduce your rent, terminate the lease, or sue for damages under C.R.S. § 38-12-507. Contact Colorado Legal Services for advice on your specific situation.
This page is intended for general informational purposes only and does not constitute legal advice. The information reflects Colorado laws and Castle Rock ordinances in effect as of April 2026, but laws can change. The application of any law depends on the specific facts of your situation. If you are facing eviction, a security deposit dispute, or another housing issue, consult a licensed Colorado attorney or contact Colorado Legal Services. RentCheckMe is not a law firm and cannot provide legal representation.
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