Squatters' rights in Colorado: Everything you need to know

Squatters rights in Colorado are rooted in a legal doctrine called adverse possession — a rule that, under specific conditions, lets someone claim ownership of property they have occupied long enough. If you own rental property in Colorado, understanding how this works, what triggers it, and how to stop it before it becomes a problem will save you a lot of headaches.

Before diving in, protect your investment early with landlord insurance in Colorado.

What are squatters rights in Colorado?

Colorado law allows a squatter to pursue legal ownership of property through adverse possession if their occupancy meets five requirements:

• Hostile — without the owner's permission
• Actual — physically present and using the property
• Exclusive — not sharing possession with others
• Open and notorious — visible enough that a reasonable owner would notice
• Continuous — uninterrupted for the full statutory period

All five elements must be present simultaneously. If any one of them lapses — say, the occupant leaves for several months — the clock resets.

Colorado's 18-year rule and the color-of-title shortcut

Colorado sets the baseline adverse possession period at 18 years of continuous, uninterrupted occupation. That is one of the longer timelines in the country; most states require somewhere between 5 and 10 years.

There is a way to shorten it, though. If a squatter holds "color of title" — a document that looks like proof of ownership but is legally defective, such as a deed with a forged signature or an improperly recorded instrument — and they have paid property taxes on the parcel during that time, the required period drops to 7 years. Both conditions must be met; color of title alone is not enough, and tax payments alone are not enough.

The property tax requirement is meaningful in practice. Paying taxes on a property you do not legally own is not a common move, so most squatters will never qualify for the 7-year path. Still, landlords who own vacant or rural land should monitor their county assessor records to confirm no one else has been making tax payments on their parcel.

Squatter vs. holdover tenant: an important distinction

Not everyone who stays past their welcome is a squatter. A holdover tenant is someone who had a valid lease, the lease expired, and they remained without a new agreement. Because they had permission to be there originally, they are not squatters — and adverse possession does not apply to them at all.

A squatter, by contrast, never had permission. They moved onto the property without a lease, without invitation, and without your knowledge. The legal remedies are similar (you still need a court order to remove them), but the framing matters; a holdover tenant cannot accumulate adverse possession time because their original possession was permissive, not hostile.

If you are unsure which situation you are dealing with, treat it as a holdover tenancy and serve a formal notice to vacate — that approach is legally safe for either scenario.

What to do when you discover a squatter

Finding someone in your property without permission is alarming. Do not change the locks, remove their belongings, shut off utilities, or physically confront them. Colorado prohibits self-help evictions, and any of those steps can expose you to civil liability.

Instead:

1. Document the situation — photographs, dates, any communications.
2. Contact local law enforcement. In some cases, particularly when the person has clearly broken in and has no personal belongings suggesting residency, police can treat it as a criminal trespass matter and remove them without a court order.
3. If the squatter has established apparent residency (furniture, personal items, utilities in use), serve a written notice to vacate. A 3-day notice to quit is standard for unauthorized occupants.
4. If they do not leave, file an eviction complaint with your county court under Colorado's unlawful detainer statutes.
5. Once you obtain a judgment for possession, coordinate with the county sheriff for physical removal.

Senate Bill 18-015, passed in 2018, streamlined this process. It gives property owners a faster civil action to remove unauthorized occupants and gives law enforcement clearer authority to assist. You can read the text of SB 18-015 directly on the Colorado legislature's site.

Criminal trespass in Colorado

Colorado draws a clear line between squatting — a civil matter — and criminal trespass, which is a crime. Under Colorado Revised Statutes sections 18-4-502 through 18-4-504, criminal trespass ranges from a petty offense (entering open land) to a Class 5 felony (unlawfully entering a dwelling).

If someone breaks into your home or another structure and has no colorable claim of permission or ownership, that is criminal trespass; call the police rather than starting an eviction proceeding. The distinction matters because police generally will not remove someone from a property in a civil dispute without a court order, but they will respond to a criminal trespass call.

Where it gets complicated: a squatter who has been in a vacant property for months and has established apparent residency may be treated by law enforcement as a civil matter even if they broke in initially. This is where documentation of your ownership and the timeline of unauthorized entry becomes essential.

How to break the adverse possession clock

The 18-year (or 7-year) period is only a concern if you do nothing. Several actions reset or interrupt it:

• Written permission: If you give someone written permission to occupy the property — even a temporary license — their possession is no longer hostile and the clock stops. This is a legitimate approach for rural landowners dealing with long-term encroachments from neighbors.
• Filing suit: Initiating legal action to remove the squatter interrupts the statutory period.
• Documented notices: Serving a notice to vacate and maintaining records of that service shows you have not acquiesced to the occupation.
• Regular inspections: Physical inspections logged with dates and photos demonstrate active oversight and can defeat the open and notorious element of an adverse possession claim.

The practical takeaway: adverse possession claims almost never succeed against owners who are paying attention. The 18-year clock is designed to penalize prolonged neglect, not landlords who make reasonable efforts to monitor their property.

How property taxes affect adverse possession

As noted above, paying property taxes is the mechanism Colorado uses to shorten the adverse possession period; it is not a standalone requirement for the standard 18-year path. Under the 18-year timeline, a squatter does not need to pay taxes at all.

For landlords, this means your own consistent tax payment is not a defense against a long-running squatter — only active oversight and timely legal action are. That said, reviewing your county assessor records periodically is worthwhile, both to confirm your own payments are current and to spot any anomalies involving your parcel.

How can landlords prevent squatting?

Vacant properties are the primary target. Between tenants, after a foreclosure, or whenever a property sits idle for any reason, the risk goes up. Practical steps to reduce it:

• Inspect vacant properties at least monthly and log each visit with photos and dates
• Secure all entry points — locks, boarding if necessary, alarm systems
• Post visible "No Trespassing" signs, which support a criminal trespass charge if needed
• Keep utilities monitored so unauthorized activation is easy to spot
• Ask a neighbor, property manager, or local contact to check on the property if you live out of state

Consider landlord insurance as a financial backstop against damage caused by unauthorized occupants — squatters can cause significant property damage that a standard homeowner's policy may not cover.

How to evict a squatter in Colorado

The formal removal process follows Colorado's standard eviction procedure, even for unauthorized occupants:

1. Serve a written notice to vacate. A 3-day notice to quit is typical for squatters.
2. File an eviction complaint with the local county court if they do not leave.
3. Obtain a court judgment for possession of the property.
4. Coordinate with the county sheriff for physical removal if necessary.

You cannot change the locks, remove belongings, or shut off utilities to force someone out. These self-help tactics are illegal regardless of the squatter's status and can result in civil liability for you.

City vs. state law

Adverse possession rules are set at the state level and apply uniformly across Colorado. Cities like Denver and Colorado Springs may have nuisance ordinances or housing codes that affect how quickly local authorities respond, but they cannot override state adverse possession timelines.

Larger cities tend to have dedicated housing courts with more established eviction procedures; rural jurisdictions may move more slowly.

Military deployment protections

Colorado law protects deployed service members from adverse possession claims. Time spent on active duty does not count against a military property owner — a squatter cannot use a deployment as grounds to argue the owner failed to monitor the property. If you serve in the military and own rental property, keep copies of your deployment orders with your property records.

What properties are most at risk?

Squatters target properties that look unmonitored:

• Vacant homes, particularly in winter or after foreclosure
• Rental units sitting empty between tenancies
• Properties owned by out-of-state landlords
• Rural or semi-rural land with limited foot traffic
• Abandoned commercial buildings

The common thread is inattention. A property that is visibly maintained and regularly inspected is a much harder target.

Why squatters rights exist at all

The history of squatters rights traces back to English common law. The idea is simple: land should be productive. If an owner abandons a property long enough that someone else is effectively maintaining it, the law eventually recognizes that reality. Colorado's 18-year window gives owners far more time to act than most states do; it is a penalty for genuine neglect, not a trap for attentive landlords.

Frequently asked questions

Can a squatter claim ownership after 30 days in Colorado?

No. Thirty days of occupation gives a squatter no legal standing. Colorado requires 18 years of continuous adverse possession — or 7 years with color of title and property tax payments — before any ownership claim is possible.

Is squatting a felony in Colorado?

Squatting itself is not a felony. Breaking into a dwelling, however, is a Class 5 felony under Colorado criminal trespass law. Filing a fraudulent deed or lying under oath about ownership can also result in perjury charges.

Can a landlord remove a squatter without going to court?

Generally no. If the squatter has established apparent residency, you need a court order and sheriff involvement. The exception is a fresh break-in with no signs of residency — police may remove the person as a criminal trespasser. When in doubt, consult an attorney before acting.

Do squatters have to pay property taxes to gain rights in Colorado?

Only if they want to shorten the required period to 7 years. On the standard 18-year path, tax payment is not required. That said, if someone is paying taxes on your property without your knowledge, that is a serious warning sign worth investigating immediately.

What is the difference between a squatter and a holdover tenant?

A holdover tenant had a valid lease that expired; their original possession was permitted, so adverse possession cannot accrue. A squatter never had permission. Both require formal proceedings to remove, but the adverse possession risk applies only to the squatter.

How do I stop the 18-year clock from running?

Take legal action — serve notice, file suit, or obtain a court order — and keep documented inspection logs. You can also grant written permission to occupy, which makes the possession permissive rather than hostile and ends the adverse possession clock.

Final thoughts

Colorado's adverse possession law is genuinely landlord-friendly in one respect: 18 years is a very long runway to catch and address unauthorized occupation. The risk is real only when owners go years without checking on a property. Stay engaged — inspect regularly, respond promptly when something seems off, and understand the formal removal process — and an adverse possession claim is almost impossible to sustain against you.

Pair that vigilance with landlord insurance in Colorado to cover the financial exposure that comes with property damage, legal disputes, and gaps in rental income when things go sideways.