File a Denver Code Violation Complaint Online

Housing and Building Standards Colorado 3 Minutes Read · published February 07, 2026 Flag of Colorado

In Denver, Colorado, you can file a code violation complaint online to report housing, building, nuisance, or property maintenance issues to the city. This guide explains who enforces municipal codes in Denver, how to submit an online complaint, what information to collect, and what to expect after you file. Use the city reporting tools to provide photos, addresses, and a description so inspectors can assess the matter promptly.

Before you file

  • Identify the exact address and unit number, if applicable.
  • Take clear photos showing the violation and approximate date taken.
  • Note when the condition began or how long it has persisted.
  • Collect contact information for the complainant and any witnesses.
Include photos and specific addresses to speed inspection scheduling.

How to file online

Submit complaints through Denver’s Code Enforcement and 311 reporting tools. For property maintenance, building code, or nuisance complaints use the city’s Code Enforcement guidance and online reporting form to start a case [1]. For many complaints you can use Denver 311 to report a problem online or by phone [2]. The municipal code that defines violations and enforcement procedures is available online [3].

  1. Gather the address, photos, dates, and a brief description.
  2. Go to Denver Code Enforcement guidance and follow instructions to file or use Denver 311 to submit the report [1][2].
  3. Attach photos and provide contact details for follow-up.
  4. Note any case number provided and keep it for status checks.
After you submit, the city usually assigns a case number and schedules an inspection.

Penalties & Enforcement

Denver enforces municipal code violations through its Code Enforcement functions within Community Planning and Development and related departments. Specific monetary fines, escalation, and time limits for appeals vary by code section and are set in the Denver Municipal Code or department rules.

  • Fine amounts: not specified on the cited page [3].
  • Escalation (first, repeat, continuing offences): not specified on the cited page [3].
  • Non-monetary sanctions: orders to correct, abatement, permit suspensions, or referral to court are authorized by municipal code; specific remedies depend on the violation and department [3].
  • Enforcer and complaint pathway: Community Planning and Development - Code Enforcement handles building and property maintenance; many reports are submitted via Denver 311 for intake and assignment [1][2].
  • Appeal/review routes and time limits: procedures and any appeal deadlines are set in the municipal code or department rules and are not specified on the cited page [3].
  • Defences/discretion: departments may consider permits, variances, or a reasonable excuse where allowed by code; specific standards are set in the governing sections of the municipal code [3].
If you need a formal appeal or hearing, ask the enforcing office for the exact deadline and procedure when you receive the case number.

Common violations

  • Property maintenance complaints (trash, tall grass, exterior deterioration) - remedies vary by section.
  • Unpermitted construction or unsafe building conditions.
  • Nuisance complaints (noise, illegal dumping, public hazards).

Applications & Forms

Some enforcement or permit matters require specific applications or forms published by the department; where a form is required the department site or the municipal code lists the form name or number. If no form is published for a complaint intake, use Denver 311 or the Code Enforcement online report mechanism to start the case [2][1].

FAQ

How do I file a code violation complaint online?
You can submit complaints via Denver Code Enforcement guidance or Denver 311 online; provide the address, photos, and a description to start a case [1][2].
What information should I provide?
Provide the exact address, unit number if applicable, dates, photos, and your contact information for follow-up.
How long until the city inspects?
Inspection scheduling depends on the complaint type and workload; expected timeframes are not specified on the cited department pages [1][3].

How-To

  1. Gather address, photos, dates, and contact details.
  2. File the complaint via the Code Enforcement guidance page or Denver 311 online [1][2].
  3. Save the case number and check status with the enforcing department.
  4. If you disagree with an enforcement action, request appeal instructions from the enforcing office and refer to the municipal code sections cited in your notice.

Key Takeaways

  • Use Denver 311 or the Code Enforcement intake to submit online complaints.
  • Provide clear photos and the exact address to help inspectors respond.
  • Appeal procedures and fine amounts are set in the municipal code; check the cited code pages or ask the enforcing office.

Help and Support / Resources

  1. [1] Community Planning and Development - Code Enforcement
  2. [2] Denver 311 - Report a Problem
  3. [3] Denver Municipal Code (Municode)

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