Free Utah Roommate Agreement
In Utah, moving someone in is not just a lease question. § 57-22-5(1)(f) makes it a statutory duty: a renter “may not increase the number of occupants above that specified in the rental agreement without written permission of the owner”. And an unresolved breach blocks a right you may later need.
A roommate agreement is a contract between the roommates. The landlord is not a party to it and it does not change the lease. Utah adds two features that make the written document matter more than usual. The first is that adding a person to the household is a matter of statutory duty rather than lease drafting, and breaching it has a consequence most people never see coming. The second is that Utah’s general obligation law can make the roommates’ own agreed percentage relevant to what the landlord may recover — which is unusual, because almost everywhere else the internal split has no effect on the landlord at all.
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Adding a roommate without written permission costs more than you think
Section 57-22-5(1)(f) states the duty plainly: the renter may not increase the number of occupants above the number specified in the rental agreement without the owner’s written permission. That is a term of the Fit Premises Act, not merely a lease clause, and § 57-22-7(1) prevents a local ordinance being inconsistent with the chapter. Note: the sting is in a different section. § 57-22-5.1(4)(a) makes the early-termination right that the Act otherwise gives a victim of domestic violence available only to a renter who is in compliance with the occupancy rule. So an unresolved occupancy breach blocks the right at exactly the moment it is needed most. The test is present-tense: the renter must BE in compliance when they exercise it, so regularising the arrangement restores it. Getting the written permission is not a formality.
Watch: Free Utah Roommate Agreement explained
Utah roommate agreement at a glance
Adding an occupant
Needs the owner’s WRITTEN permission
Breaching that
Blocks the early-termination right until fixed
If one renter terminates
The others’ agreement is unchanged
Your written share
Can limit what the landlord recovers from the rest
Your written percentage can limit what the landlord recovers
Utah’s general obligation law gives the internal split a role it usually does not have. Utah Code § 15-4-5 is headed “Release of co-obligor — Effect of knowledge of obligee”, and the distinction in that heading is the whole point. Where an obligee releases one obligor and does not know, and has no reason to know, that the released obligor had not paid their agreed share, subsection (2) satisfies the claim against the others to the extent of the lesser of two amounts: (a) the released obligor’s fractional share of the obligation, and (b) the amount that obligor was bound, by their contract with the co-obligors, to pay. Where the obligee does know, subsection (1) applies instead and there is no lesser-of test. Note: writing the percentages down fixes the (b) figure. It does not set the (a) figure, and because the statute takes the smaller of the two, a higher agreed percentage can never increase the reduction. That is still a reason to record accurate percentages and have everyone sign — but it is not a way to bind the landlord to your split.
How to use a Utah roommate agreement
Get the owner’s written permission before anyone extra moves in
Section 57-22-5(1)(f) makes it a statutory duty, and section 57-22-5.1(4)(a) gives the early-termination right only to a renter who is in compliance, so an unresolved breach blocks it.
Write the rent shares as clear percentages
Utah Code section 15-4-5(2) can make the amount you agreed a released obligor would pay the measure of the reduction in the landlord’s claim against the rest, where the landlord released them without reserving rights and without knowing that amount.
Agree who covers a share if a renter terminates under section 57-22-5.1
Subsection (9) provides that the rental agreement is not terminated for anyone else, so the rent does not fall.
Serve any notice by a permitted method
Section 78B-6-805 lists personal delivery, registered or certified mail or an equivalent, delivery to a person of suitable age, and conspicuous posting. First-class mail is not among them.
Keep a signed copy each
The agreement is only useful as evidence if every roommate can produce the same version.
About the Utah roommate agreement
A roommate agreement records what the people sharing a unit have agreed about rooms, rent, the deposit, shared costs, guests and leaving. It binds them to each other; the landlord is not a party. Everyone named on the rental agreement remains liable to the landlord for the whole rent where the agreement imposes joint and several liability, and no Utah landlord-tenant statute creates one — the phrase returns zero across chapters 57-17 and 57-22. What Utah does provide, unusually, is a general rule in title 15 that can give the roommates’ own written percentages effect against the landlord in one specific situation.
What a Utah roommate agreement should record
- The number of occupants specified in the rental agreement
- Whether the owner’s written permission was obtained for anyone added
- Each roommate’s share of the rent, expressed as a clear percentage
- Each roommate’s share of the deposit
- That a renter who terminates under § 57-22-5.1 does not end anyone else’s agreement
- The address each roommate will give for the deposit notice
- Guests, quiet hours, smoking, pets and cleaning
- The notice a departing roommate gives the others, and who approves a replacement
- That the agreement binds the roommates only and does not bind the landlord
Common Utah mistakes
- Letting someone move in on a verbal yes. Section 57-22-5(1)(f) requires the owner’s written permission to increase the number of occupants.
- Not realising what that breach costs. Section 57-22-5.1(4)(a) makes the early-termination right available only to a renter who is in compliance, so an unresolved occupancy breach blocks it.
- Leaving the rent shares vague. Utah Code § 15-4-5(2) can make the amount you agreed a released obligor would pay the measure of the reduction in the landlord’s claim against the rest.
- Citing section 10-9a-505.5 for occupancy. That chapter no longer exists – the municipal land use act is now title 10 chapter 20.
- Serving a notice by first-class mail. It is not among the methods § 78B-6-805 permits.
Does Utah have a roommate law?
Not one that gives you a right to have a roommate. Utah’s provision runs the other way. Section 57-22-5(1)(f) of the Fit Premises Act imposes a duty on the renter not to increase the number of occupants above the number specified in the rental agreement without the owner’s written permission.
Two things follow. Because it is statutory rather than contractual, it applies whether or not the lease repeats it. And because § 57-22-7(1) bars local ordinances inconsistent with the chapter, a city cannot loosen it.
Neither “guest” nor “occupant” is defined in the Act — § 57-22-2 has exactly five defined terms and neither is among them. “Renter” is defined as a person entitled under a rental agreement to occupy a residential rental unit “to the exclusion of others”. There is no day count that converts a guest into a tenant.
The interlock most people never see
This is the finding that justifies reading the two chapters together. Section 57-22-5.1 gives a renter who is a victim of domestic violence a right to terminate early: a termination fee of one month’s rent under subsection (1)(h), a duty to vacate within fifteen days under subsection (6), no availability once an eviction notice has been served under subsection (7), and no availability on an ex parte civil protective order, nor on an ex parte civil stalking injunction for which a hearing has been requested.
Subsection (4)(a) then adds a condition that has nothing obvious to do with domestic violence. The right is available only to a renter who is in compliance with all obligations under the rental agreement, including the requirements of § 57-22-5 — the occupancy rule being one route to disqualification rather than the whole of it, and subject to a carve-out in Subsection (5) for non-compliance caused by the domestic violence itself.
The practical scenario writes itself. A roommate’s partner moves in during the year. Nobody asks the owner, or the owner says yes in a text message rather than in writing. Months later one of the renters needs the early-termination right, and an unresolved occupancy breach stands in the way — because § 57-22-5.1(4)(a) asks whether the renter is in compliance at that moment, not whether a breach ever happened.
That is the strongest argument for making the written permission a step the roommates actually take, and for recording in this agreement that it was obtained.
What happens to the others when one renter leaves
Section 57-22-5.1(9) is explicit: terminating one renter’s future obligations “does not terminate the rental agreement for any other person entitled under the rental agreement to occupy” the unit. Same rent, one fewer payer, and no statutory apportionment to help.
One caution about currency. A second version of § 57-22-5.1 takes effect on 1 January 2027 and was not read for this page, so subsection (9) may change. Anyone relying on it close to that date should check the current text.
Why your written percentage matters here
Almost everywhere else, a roommate agreement’s rent split is invisible to the landlord: it governs claims between roommates and nothing more. Utah has a general rule that can change that.
Utah Code § 15-4-5, in title 15 chapter 4, Joint Obligations, sets two different measures depending on what the obligee knew. Under subsection (2) — where the obligee releases one obligor without a written reservation of rights against the others and without knowing the amount that obligor was bound to pay — the claim against the remaining obligors is satisfied to the extent of the lesser of two figures: (a) the released obligor’s fractional share of the obligation or the amount that obligor was bound to pay.
So if a landlord releases one roommate — on a replacement, on a negotiated exit — without reserving rights, the reduction may be measured by that roommate’s fractional share. Where is that share recorded? In the roommate agreement, if anywhere. A document that says “Ana 40 per cent, Ben 35 per cent, Chris 25 per cent” supplies a figure. A document that says “we will split it fairly” does not.
That is not a reason to game the numbers; it is a reason to make them accurate and to have everyone sign.
Occupancy, and a citation that is dead
Utah sets no statewide cap on how many people may occupy a rental. What it does is set a floor on how restrictive a city may be. Section 10-20-602 provides that a municipality may not adopt a single-family limit lower than three where the municipality has a state university, or a private university of at least 20,000 students, within its boundary, and not lower than four otherwise. Section 17-79-601 sets the same numbers for counties, but measures the trigger by whether the university lies within the county’s unincorporated area, with a further trigger for a mountainous planning district.
Those numbers bind local government, not tenancies. The operative limit at any particular address is the municipal ordinance, which may be higher. This page does not state a persons-per-bedroom figure, because none was verified from a state source.
One correction is worth making explicitly, because the citation is still widely quoted: title 10 chapter 9a no longer exists. The Municipal Land Use, Development, and Management Act is now title 10 chapter 20, and the county equivalent is title 17 chapter 79. Any reference you see to “§ 10-9a-505.5” for occupancy is pointing at a chapter that has been renumbered away.
The deposit, and a precondition added in 2025
Section 57-17-3, effective 7 May 2025, requires the owner to deliver an itemised written notice of deductions and the balance within thirty days of the day the renter vacates and returns possession, to the renter at the renter’s last known address. Apportionment is not addressed anywhere — “apportion” returns zero across all 918,883 characters of title 57 — so whatever the roommates agreed is the only split there is.
The 2025 amendments added a step that catches people out. Section 57-17-5(3) makes the statutory notice a precondition to the remedies in § 57-17-5: the renter must first serve the notice described in § 57-17-3(3), then allow five business days, before the penalty becomes available.
Service method matters too. Section 57-17-3(4) mirrors the four methods in § 78B-6-805: personal delivery, registered or certified mail or an equivalent means, delivery to a person of suitable age at the address, and conspicuous posting. First-class mail is not among them.
An agreement between roommates is not a lease
This document binds the roommates to each other. The landlord is not a party to it and is not bound by the shares in it in the ordinary case, and nothing here moves anyone on or off the rental agreement. Each renter named on it can still be pursued for the whole rent. The Utah exception is narrow but real: if the landlord releases one of you without reserving rights, the percentage you wrote down may decide how much the rest of you are still liable for.
Where a roommate agreement sits in Utah law
A roommate agreement is a private contract, so most of what it does is decided by the roommates rather than by statute. The parts that state law does reach are the ones that involve the landlord — and the biggest of those is the deposit. Our guide to Utah security deposit laws sets out what the landlord may hold and when it has to come back, which is the money the roommates are dividing between themselves.
The other place state law bites is non-payment. An internal agreement about shares does not change what the landlord may do if the total rent is short, and Utah eviction notice laws explain the notices and timelines that follow — which reach everyone named on the lease, not only the roommate who fell behind.
For the obligations that run between a landlord and the tenants throughout the tenancy, and the rules that apply to both sides, see Utah landlord tenant laws.
Bottom line
Adding someone is a statutory duty here, not a lease term: § 57-22-5(1)(f) requires the owner’s written permission to increase the number of occupants — and § 57-22-5.1(4)(a) makes the early-termination right available only to a renter who is in compliance, so an unresolved breach blocks it at the moment it is needed. Note: Utah’s § 15-4-5 can also make your written percentage limit what the landlord recovers from the rest after releasing one of you — but only where the landlord released them without reserving rights and without knowing what they owed, and the statute takes the lesser of that figure and their fractional share.
Frequently Asked Questions
Can I move a roommate in without telling the landlord in Utah?
No. Utah Code § 57-22-5(1)(f) provides that a renter may not increase the number of occupants above the number specified in the rental agreement without written permission of the owner. It is a statutory duty, not just a lease term.
What happens if we breach that occupancy rule?
Among other things, § 57-22-5.1(4)(a) makes the early-termination right the Act gives a victim of domestic violence available only to a renter who is in compliance. An unresolved occupancy breach blocks it – the test is whether the renter IS in compliance when they exercise the right, so regularising the arrangement restores it.
If one renter terminates under section 57-22-5.1, does our agreement end too?
No. Subsection (9) provides that terminating one renter’s future obligations does not terminate the rental agreement for any other person entitled under it to occupy the unit. Note there is a later version of that section which was not read for this page.
Does the rent split we agree affect the landlord?
In one situation it can, which is unusual. Utah Code § 15-4-5(2) provides that where an obligee releases one obligor without a written reservation of rights, and without knowing the amount that obligor was bound to pay, the claim against the others is satisfied to the extent of the lesser of that obligor’s fractional share or the amount they were bound to pay. A clearly recorded percentage supplies that figure.
How many people can live in a Utah rental?
There is no statewide cap on a tenancy. Section 10-20-602 stops a municipality adopting a single-family limit lower than three where it has a state university, or a private university of at least 20,000 students, within its boundary, or lower than four otherwise, and § 17-79-601 sets the same numbers for counties, measured by its unincorporated area – but those bind local government. The operative number at an address is the municipal ordinance.
Is the occupancy rule at section 10-9a-505.5?
No – that chapter no longer exists. Title 10 chapter 9a was renumbered, and the Municipal Land Use, Development, and Management Act is now title 10 chapter 20, with the county equivalent at title 17 chapter 79.
How long does the landlord have to return the deposit?
Thirty days under § 57-17-3, with an itemised written notice sent to the renter’s last known address. Since 2025, § 57-17-5(3) also makes serving the statutory notice and waiting five business days a precondition to the penalty.
Can I post a notice or send it by ordinary mail?
Section 78B-6-805 permits personal delivery, registered or certified mail or an equivalent means, delivery to a person of suitable age at the address, and conspicuous posting. First-class mail is not among the permitted methods.
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