Denver / Evidence guide

The records that protect a Denver renter

By Homzora Team · September 26, 2026

Colorado's recent renter laws give tenants real leverage: firm repair deadlines, limits on rent increases, protection from eviction without cause and strong remedies for deposit disputes. Almost all of them depend on proving dates and conditions. This guide explains what to keep, with a source for every rule.

Why records matter so much in Colorado

Many Colorado protections turn on dates. Repair deadlines run from the moment you give notice: a landlord must respond within 24 hours and begin repairs within 24 or 72 hours, depending on the condition.^[1] The limit of one rent increase per 12 months runs from the date of the last increase.^[2] Protection from eviction without cause begins after 12 months in the home.^[3] And a deposit claim for triple damages requires at least seven days' notice before you file suit.^[4] The renter who can prove the dates is usually the renter who prevails.

The folder to keep from day one

The signed lease and every addendum, including the habitability statement Colorado requires.^[5]
The radon disclosure and the state radon brochure.^[6]
Denver's Tenant Rights and Resources Notice.^[7]
The application fee receipt or your portable screening report.^[8]
The deposit receipt and any pet deposit receipt.
Every rent payment record, rent increase notice, utility bill and repair request.

Keep these items together, on paper and backed up digitally, for the whole tenancy and at least a year after you move out.

Document the condition at move in

From January 1, 2026, a landlord that keeps any part of a deposit must support its deductions with documentation such as photographs, inspection forms, receipts and invoices.^[4] Your own record is the counterweight. On the day you receive the keys, before any furniture arrives, photograph and film every room: walls, floors, ceilings, windows, screens, blinds, doors, the inside and outside of each appliance, cabinets, closets, bathrooms and any patio. Take close ups of existing damage with a wider shot showing where it is. Email the photographs and a written list of problems to the landlord, so there is a dated record that it received them. Keep the original photo files, which store the date and time.

Repeat the exercise at least once a year, and after any major repair or storm. A short video walk through each spring and fall takes minutes and shows how the home has changed over time, which is useful if a dispute later turns on whether damage was caused by you, by normal wear and tear or by a problem the landlord failed to fix.

Keep a repair log with times

Because Colorado's repair deadlines are measured in hours and days, your repair log should record times as well as dates. For each problem, note when you gave notice, how, the time of the landlord's first response, when repairs began and when they were finished. If a life, health or safety condition remains seven days after notice, or another uninhabitable condition remains 14 days after notice, the law presumes a breach of the warranty of habitability.^[1] Photograph the problem when you report it and again as it continues.

For heat failures between October and April, when working heat is required^[5], photograph a thermometer in the affected rooms next to a phone showing the date and time. For mold, record when you reported it, since the landlord must contain it and stop any active water source within 72 hours.^[1] If you requested a comparable unit or hotel room for a life, health or safety condition, keep a copy of the request and the response.^[1]

Track rent increases

Keep every rent increase notice with the date it arrived. A landlord may raise the rent no more than once in any 12 month period of continuous occupancy^[2], so the date of the last increase tells you when another is allowed. For a tenancy without a written agreement, an increase requires at least 60 days' written notice.^[9] If an increase arrives early or without proper notice, raise it with the landlord in writing and keep the reply.

Keep proof for retaliation and lockout claims

Colorado protects tenants who make good faith complaints, join a tenant association or use legal remedies. A tenant needs to show only that the protected activity was a motivating factor in the landlord's action, and damages are the greater of three months' rent or three times actual damages.^[10] Keep dated proof of every complaint, and note any rent increase, reduction in services, new fee or notice that follows. If a landlord ever locks you out or shuts off utilities to force you out, photograph everything and record the times; the landlord can owe the greater of three months' rent or $5,000, plus actual damages.^[11]

Pay in a way you can prove

Pay by a method that shows the amount and the date the landlord received it, such as a resident portal, check or bank transfer, and keep the confirmations. Check any late fee against the law: it may not be charged until rent is at least seven days late, and it may not exceed the greater of $50 or 5 percent of the past due rent.^[12] Your payment history also matters for for cause protection, since paying rent late more than twice is one of the permitted grounds for not renewing a covered tenancy.^[13]

Protect your deposit at move out

Give any notice your lease requires in writing and keep proof of delivery. Ask for a walk through inspection before you leave, a right Colorado added from January 1, 2026.^[14] Clean thoroughly, repeat the full photograph and video record after your belongings are gone, and return all keys, keeping a receipt or confirming email. Give your forwarding address in writing.

The landlord must return the deposit, or a written statement of the exact reasons for keeping any part of it with supporting documentation, within 30 days after the tenancy ends or you surrender the home, or up to 60 days if the lease says so.^[4] If money is wrongfully withheld, send a written demand. To recover three times the amount willfully withheld, plus attorney fees and costs, you must give the landlord at least seven days' notice before filing suit.^[4] Keep a copy of that notice and proof of delivery.

Read notices the day they arrive

Photograph every notice posted on your door before you remove it, and note the date and time you found it. A notice for unpaid rent must give 10 days to pay, and paying in full within that period stops the eviction.^[15] If you are served with court papers, the summons will set an appearance date 7 to 14 days after it was issued and include an answer form and legal aid information.^[16] For a no fault termination of a covered tenancy, check that the notice gives at least 90 days and states a permitted reason.^[13] Seek legal help immediately; Denver runs a free eviction clinic and funds free representation for eligible households.^[7]

When the property is sold or management changes

If you receive notice of a new owner or management company, save your payment history, deposit receipt, move in photographs, rent increase notices and any open repair requests before the old resident portal closes. Your tenancy start date matters for for cause protection^[3], and the date of your last increase matters for the once a year limit^[2], so keep proof of both. Send the new manager a short written summary of any unresolved repairs so your notice dates carry forward.

Keep digital records easy to trust

Name files by date and subject so they sort in order, such as "2026 12 14 heat failure notice." Save emails and text messages as files rather than leaving them only in an inbox or on one phone, and screenshot portal requests with their timestamps, because portal histories can disappear when a management company changes software. Back up everything in at least two places.

Preparing for a hearing

Arrange your documents in date order and prepare a one page timeline of the key events. Bring copies of every document you plan to rely on, one for the judge, one for the other side and one for yourself, and print the photographs and logs that matter most rather than showing them on a phone. Keep your explanation short and factual, and answer the judge's questions directly.

If the dispute is about the deposit, bring your move in and move out photographs side by side for each disputed item, the landlord's statement and documentation, and your seven day notice with proof of delivery. If the dispute is about repairs, bring your repair log with times, every notice you delivered and photographs of the condition over time.

Evidence about rents: compare like with like

Records also help you judge whether a rent is reasonable. An asking rent on a listing is not the same as a signed lease payment, and neither is the same as a government estimate. The Census Bureau's 2020 to 2024 estimate of median gross rent in the city of Denver is $1,831.^[17] It includes estimated utilities, covers every kind of rental and blends five years of responses, so it will differ from today's asking rents. The Denver data page explains each figure Homzora publishes.

Your completion record

Lease, disclosures and tenant notice
Move in photographs and list
Repair log with times
Rent increase dates
Payment history
Move out photographs and key receipt
Written forwarding address
Seven day notice before any deposit suit

Keep these records for at least a year after you move out. See the inspection guide for the repair process and the jurisdiction guide for the rules that apply to your home.

Sources and official resources

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