Subletting Clause
in Your Lease
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Statutes verified against primary state sources
Every statute cited here was read in its published text before this page went live: on the state's own site where that site can be reached, otherwise on a republished copy of the code. Court decisions are quoted from the published opinion and linked to it, so you can read the original yourself.
Primary sourcesNot legal advice
Content verified against primary state statutes before publicationLast updated: October 2026
What it actually means, what Colorado law says, what's specific to Denver - and exactly what to do. In plain English.
Quick Summary - What You Need to Know
- Our Colorado record finds no statute on residential subleases and no deadline for the landlord's answer.
- If your lease never mentions subletting, you can generally sublet.
- Where a lease requires consent with no stated standard, Colorado case law has applied a reasonableness limit.
- After you sublet, you stay liable for the rent and for damage.
- Denver adds nothing on sublet consent. Its rental licensing does not create a right to sublet.
Copy and send: Before anyone moves in, once you have read your lease's subletting clause
Ask to sublet
Fill in the brackets and keep a copy of what you send.
How Colorado compares
Landlord's deadline to answer a written sublet request, state by state
30 daysNo figureGuide coming soonYou are here
See all 25 cities as a chart
Figures are the state rule, or the stronger city ordinance where one exists. Verify the current law for your own situation before relying on it.
Understanding the Subletting Clause
This page is for Denver renters who want to sublet, or who are about to sign a lease with a subletting clause. Our Colorado record finds no sublet statute, which leaves that clause as the document that answers your question.
Ask for a reply date, a fixed fee and a promise that consent will not be unreasonably withheld, and watch for wording that leaves consent to the landlord's sole discretion.
What renters assume
Colorado law makes a landlord answer a sublet request by a set date and accept any qualified replacement.
What is actually true
Our Colorado record finds no statute that sets a reply deadline or grants a right to sublet. Colorado case law has applied a reasonableness limit where a lease requires consent but never says how it may be withheld.
Read the chart honestly: Denver sits with the silent states. A New York City tenant in a building of four or more units gets an answer in 30 days and silence counts as yes, and a Chicago landlord must accept a reasonable sublease without charging a single extra fee.
Colorado gives you neither - only what you negotiated before you signed.
Sublet Clause Example - What the Wording Looks Like in Denver, CO
The sample clause below is real lease language - a court quoted it word for word, and then ruled on it. What the judge decided is at the bottom of this block.
Find the equivalent paragraph in your own lease and read the two side by side. The wording will differ; the moving parts rarely do.
18. (A) Assignment, subletting.—Except as provided by § 226-b of the Real Property Law of New York, the Tenant shall not assign the lease, nor sublet the Apartment, or permit the Apartment or any part thereof to be used by any one other than Tenant or members of the immediate family of Tenant, without the prior written consent of Owner in each case, if the Lease is assigned, or if the Apartment is sublet or occupied by anybody other than Tenant or Tenant’s immediate family.
Quoted from the published opinion in Conrad v. Third Sutton Realty Co., 81 A.D.2d 50 (1st Dep't 1981). Judicial opinions are not subject to copyright; the lease language is reproduced in limited part for commentary under 17 U.S.C. § 107.
What the 4 highlighted phrases mean
“the Real Property Law of New York”
A Colorado lease will not carry a line like this, and the absence is the point. New York's lease has to bow to a statute because New York wrote one; our Colorado record finds no statute that grants a residential tenant a right to sublet or sets any landlord response deadline. Your paragraph stands on its own, with no code section in our record behind it or above it.
See the example
“to be used by any one other than Tenant”
Read your lease before you assume you need permission at all. If the lease is silent on subletting, a Colorado tenant generally may sublet - the restriction has to be written to exist. What does not change either way is your own exposure: the original tenant stays liable for rent and for damage, so a subtenant who stops paying is your problem, not the landlord's.
See the example
“without the prior written consent of Owner”
Where a Colorado lease conditions a transfer on consent but never says what the landlord may weigh, the courts have filled the gap: case law has applied a reasonableness limit to withholding consent in exactly that situation. That is judge-made and fact-specific, not a statute with a deadline in it - which is precisely the step Massachusetts refused to take in Slavin, and precisely the step New York's legislature took instead.
See the example
“other than Tenant or Tenant’s immediate family”
Whatever the category, get the permission in writing. Denver adds nothing specific to subletting - its rental licensing and residential rules do not create a sublet-consent right - so the lease governs, and an oral yes from a leasing agent is only as good as the person who remembers it. Subletting in breach of an express no-sublet clause can support a lease-violation notice.
See the example
A landlord who gives no reason is treated as having said yes. The tenant proposed a documented sublessee; the managing agent's reply gave no reason at all - only that permission would not be granted, with an offer to let her terminate the lease instead. The Appellate Division held that a landlord who rejects a residential sublease without stating any valid reason is deemed to have consented under Real Property Law § 226-b, and that the tenant may compel acceptance of a bona fide sublessee. The court rejected the argument that release from the lease was the tenant's only remedy: in a housing shortage, that reading would leave a tenant with a meaningless right to surrender. Read the panel accurately - a divided panel affirmed, three judges adopting the rationale below, while two concurred separately on a narrower reading of § 226-b (2) and expressly declined to say what happens when a landlord does state reasons that turn out to be unreasonable. One of them noted that this lease carried no provision that consent would not unreasonably be withheld, which is why the statute had to do all the work. Read it with its date, too: this construes § 226-b before its substantial 1983 amendment. The deemed-consent result still tracks current § 226-b (2) (c), but today's statute also expressly lets a tenant sublet where consent is unreasonably withheld - the very question the concurrence reserved. The unit was a Manhattan apartment; the words rent control and stabilization appear nowhere in the opinion. Printed above is the first sentence of paragraph 18(A); the paragraph runs on for another 107 words of non-waiver boilerplate that is not reproduced here.
How this state's law treats this clause
One court, one lease, one state. That answer is not automatically yours, and your lease may be worded to land differently. Use this to know what to look for and what to ask - your state's tenant hotline or a local tenant attorney can answer it for your document.
Colorado Law on Subletting Clause
- Our Colorado record finds no statute that grants a residential tenant a right to sublet or sets any landlord response deadline.
- If the lease is silent on subletting, a tenant generally may sublet, but the original tenant stays liable for rent and damage.
- Colorado case law has applied a reasonableness limit where a lease conditions transfer on consent but sets no standard for withholding it.
- Get the landlord's consent in writing; subletting in breach of an express no-sublet clause can support a lease-violation notice.
Verify the current text in your state's landlord-tenant statutes.
Our Colorado record finds no statute regulating residential subleases, no statute that grants a renter a right to sublet and no deadline for the landlord's answer. Here is what it does show:
- Silent lease. If your lease never mentions subletting, you can generally sublet, but you stay liable for rent and damage.
- Consent with no standard. Where a lease requires consent but sets no standard for withholding it, Colorado case law has applied a reasonableness limit. A clause leaving consent to the landlord's sole discretion does set a standard, so that limit may not help you.
- Express ban. Subletting in breach of a no-sublet clause can support a lease-violation notice. Get the landlord's consent in writing.
Statutes get amended, so check the current Colorado text before you rely on this.
What's Specific to Denver
Denver adds nothing specific to subletting. The city licenses residential rentals and regulates short-term rentals, but its rental licensing and residential rules do not create a sublet-consent right, so the lease governs.
Many large managed buildings in Denver use standard leases with a flat sublet ban, which is easier to change before you sign. Listing your unit as a short-term rental needs a separate city license, and an unlicensed listing adds a city problem to any lease breach.
That gives you a path. Ask for a promise in the lease that consent will not be unreasonably withheld.
That wording sets its own standard, so the reasonableness limit Colorado courts have applied to silent consent clauses may not help you.
Our Colorado record finds none in state or Denver law. Ask for a fixed number of days, with silence counting as approval.
A fee set "per management policy" gets filled in later. Our Colorado record finds no sublet fee cap, so ask for a fixed dollar amount.
Red Flags to Watch Out For
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Blanket ban on any transfer
A clause barring subletting and assignment with no consent path leaves you no way to sublet. Raise it before you sign.
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Sole and absolute discretion language
Colorado courts have applied a reasonableness limit when a lease sets no standard for consent. This wording sets one, in the landlord's favor.
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Open-ended sublet fee
A charge set "per management policy" lets the landlord pick the number after you sign. Get a fixed amount written in.
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Unapproved occupant as instant default
Some Denver leases treat any unapproved occupant as an immediate breach. A roommate swap can turn into a lease-violation notice instead of a warning.
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Guest limits used as traps
A cap on guest nights can recast a frequent visitor as an unapproved subtenant. Get the allowed nights stated in writing before you sign.
Your Rights as a Denver Tenant
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Sublet when the lease is silent
If your lease never mentions subletting, you can generally sublet. Get the landlord's written acknowledgment anyway so it can't be called a breach later.
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Reasonableness in a silent clause
Where the lease requires consent but never says how it may be refused, Colorado case law has applied a reasonableness limit to the landlord's discretion.
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Hold them to a written yes
A signed consent naming your subtenant and the dates is your proof the sublet was approved if it is questioned later.
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Keep your own tenant rights
A sublease doesn't demote you. You stay the tenant, so your deposit, repair and notice rights run for the whole term.
What To Do - Step by Step
Read the transfer paragraph
Find every word on subletting, assignment and added occupants. Note whether the lease is silent, requires consent or bans transfers.
Ask in writing
Email the subtenant's name, the dates and the rent. With no reply deadline in our Colorado record, put a date in your request and follow up.
Hand over a screening packet
Send credit, income and references up front. A refusal is harder to call reasonable when your replacement is clearly qualified.
Get the yes in writing
Ask for a signed consent or sublease addendum naming the subtenant and the term. Do not move anyone in on a verbal yes.
Paper the sublease yourself
Put rent, dates, deposit and damage in a written sublease. You stay liable to the landlord, so your subtenant should owe you.
Ask for reasons or plan your exit
If they refuse and the lease sets no standard, ask for the reasons in writing. Otherwise look at early termination instead of subletting quietly.
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Frequently Asked Questions
Subletting rules near Colorado
The same clause in the nearest states we cover.
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