Colorado Small Claims Court Venue Rules: Which County to File In

Filing in the Wrong County Can Delay Your Case

Venue — which county court you file in — is one of the first things a Colorado small claims judge checks. File in the wrong county and the defendant can ask the court to dismiss or transfer the case, delaying everything by weeks. C.R.C.P. Rule 503 and C.R.S. § 13-6-403 set the rules.

The Four Venue Options

You must file in a county where at least one of these conditions is true about the defendant:

1. The defendant resides in the county. This is the most common basis. If you are suing an individual who lives in Jefferson County, you file in Jefferson County Court.

2. The defendant is regularly employed in the county. If the defendant lives in Douglas County but works full-time in Denver, you can file in Denver County Court.

3. The defendant maintains an office for business in the county. A contractor whose shop is in Adams County can be sued there, even if they live elsewhere.

4. The defendant attends school as a student in the county. This applies to disputes with students — such as roommate damage claims — where the student lives on campus or near the university.

Notice the common thread: venue follows the defendant, not the plaintiff. You do not file in the county where you live unless the defendant also has a connection to that county through one of these four criteria.

Special Rules for Security Deposits and Property Disputes

For security deposit cases and residential restrictive covenant disputes, there is a fifth option: you can also file in the county where the real property is physically located. This matters when your former landlord lives in a different county than the rental property.

If you rented an apartment in Boulder County but the landlord lives in Weld County, you can file in either Boulder County (where the property sits) or Weld County (where the landlord resides).

Multi-Defendant Cases

When you are suing more than one person — say, two co-tenants who owe you rent, or a contractor and their business partner — venue is proper in any county where at least one defendant meets the statutory requirements under C.R.C.P. Rule 503. The other defendants are joined in that same filing, even if they do not independently have a venue connection to that county.

Denver County Court Is Its Own World

Denver operates as both a city and a county, with its own judicial structure as Colorado's 2nd Judicial District. Small claims filings go through the Denver County Court Civil Division at the City and County Building, 1437 Bannock Street, Room 135. Do not confuse this with the Denver Probate Court (Room 230) or the criminal division at the Lindsey-Flanigan Courthouse.

Denver County Court handles high volumes of small claims cases and routinely schedules mandatory mediation on or before the trial date. Paper filing at the clerk counter is standard for self-represented litigants.

What Happens If You Pick the Wrong County

If you file in a county that has no venue connection to the defendant, the defendant can raise a venue objection. The court may dismiss the case (so you can refile in the correct county) or transfer it to the proper venue. Either way, you may lose time and need to pay a new filing fee.

Before filing, verify where the defendant lives, works, or does business. For business entities, the Colorado Secretary of State database at coloradosos.gov shows the registered agent's address and principal office — these help determine which county has proper venue.

Our Colorado Small Claims Filing Guide includes a step-by-step venue checklist and entity verification worksheet so you file in the right county the first time.

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