Roommate Clause
in Your Lease
What it actually means, what Wisconsin law says, what's specific to Milwaukee - and exactly what to do. In plain English.
Quick Summary - What You Need to Know
- The sections of Wis. Stat. Chapter 704 and Wis. Admin. Code ch. ATCP 134 we read set no deadline for telling a landlord that a new roommate has moved in. The roommate paragraph of the lease is the document that carries any day count.
- Where a lease restricts added occupants, § 704.17(2)(b) sets the cure period after a breach. Under a lease of one year or less, the landlord's notice must give at least 5 days to remedy the default or vacate, and a second breach within one year allows a 14-day notice to vacate.
- Under a lease of more than one year, § 704.17(3)(a) allows at least 30 days to comply. § 704.17(5)(a) makes lease termination provisions contrary to the section invalid, except in leases for more than one year.
- Taking in a roommate can mean subleasing part of the unit. § 704.09(1) bars a tenant at will or a periodic tenant under a tenancy less than year-to-year from subleasing without the landlord's agreement or consent, and § 704.09(2) keeps the original tenant bound absent an express release or a contrary lease provision.
- Milwaukee counts by room. § 275-44-1 caps a one room dwelling unit at 2 people and counts larger units room by room, and § 200-21.5 has the owner keep a current list of the tenants and sublessees authorized to occupy the building.
Understanding the Roommate Clause
Before a partner or friend moves into a Milwaukee rental, three questions matter: whether the lease allows it, what approval it asks for, and how fast the landlord must hear about it. On timing, the Wisconsin sections we read set no deadline, which leaves the roommate paragraph of your lease as the document that answers it.
Wisconsin does say what follows a breach. If a lease limits occupants and the landlord treats an added roommate as a breach, Wis. Stat. § 704.17 requires a notice giving at least 5 days to remedy or vacate under a lease of one year or less.
Milwaukee answers a different question, about space. Its building maintenance code limits occupants by room size, and its zoning code says when a shared unit is a rooming house.
The Wisconsin text behind this page is the Legislature's own PDF of Chapter 704 as archived on May 24, 2026. Read the current text on docs.legis.wisconsin.gov before you rely on it.
What renters assume
That Wisconsin gives a Milwaukee renter a grace period, a fixed number of days after someone moves in, before the landlord must be told.
What is actually true
The Wisconsin sections we read attach no day count to adding an occupant. The day counts in § 704.17 run the other way: they are the least time a landlord's notice must give a tenant in breach, such as 5 days to remedy or vacate under a lease of one year or less.
The bars in the comparison on this page measure the deadline for telling a landlord about a new roommate. Two of the 22 rows carry a figure: New York City at 30 days and Seattle at 30 days under a Seattle rule. The other 20 rows carry none.
Twelve of those read no statute: Austin, Los Angeles, Miami, Chicago, Denver, Phoenix, Atlanta, Nashville, Philadelphia, Portland, Boston and Las Vegas. Washington, DC reads lease controls consent, Columbus no statute; lease controls, Newark no statute; city occupancy caps and Detroit no statute; zoning family limit.
Charlotte, Minneapolis and Milwaukee read no set deadline, and Baltimore no set deadline; zoning family limit.
Milwaukee's bar stays empty although Wisconsin's breach section holds day counts. The 5 days, 14 days and 30 days in § 704.17 are the least notice a landlord must give a tenant in breach, not a period for reporting a roommate.
Plain English Version
No Wisconsin section we read says how many days you have to tell your landlord about a new roommate, which leaves your lease as the document that answers it. If your lease limits who may live there and the landlord treats a new roommate as a breach, the landlord's notice must give you at least 5 days to fix it or leave under a lease of one year or less.
Milwaukee limits occupants by room size, and more than 3 unrelated people sharing a bathroom can make a unit a rooming house.
Roommate Clause Example - What the Wording Looks Like in Milwaukee, WI
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.
REIMBURSEMENT. You must promptly reimburse us for loss, damage, or cost of repairs or service caused anywhere in the apartment community by your or any guest's or occupant's improper use or negligence. […]
Quoted from the published opinion in Churchill Forge, Inc. v. Brown, 61 S.W.3d 368 (Tex. 2001). Judicial opinions are not subject to copyright; the lease language is reproduced in limited part for commentary under 17 U.S.C. § 107.
“You must promptly reimburse us for loss”
You is whoever signed, and in Wisconsin the signer stays answerable when someone else comes in under them. § 704.09(2) says a transfer or consent to transfer does not relieve the transferring party of the lease's contractual obligations, absent an express release or a contrary lease provision. The Texas court enforced this sentence against a co-signer who had not herself been negligent.
“in the apartment community”
The lease looks across the whole community, while Milwaukee's building code looks room by room. § 275-44-1 caps a one room dwelling unit at 2 people. A larger unit counts 2 occupants for each habitable room of 100 square feet or more, 1 for a room of at least 70 but less than 100, and none for a kitchen.
“any guest's”
Guests are where Wisconsin has a reported case. The case notes printed with the official text of § 704.17 summarize Johnson v. Blackburn, 220 Wis. 2d 260 (Ct. App. 1998). Absent notice of termination, breaking a lease term that required landlord permission for long-term guests “did not result in the tenants losing their rights to possession of the property.” The guests there were not trespassers.
“or occupant's improper use”
Occupant is the Milwaukee word with a count attached. § 295-201 makes a rooming house of a dwelling unit “occupied by more than 3 persons who are not a family or by a family and more than 2 other persons”. The stays must usually run longer than one night, with a bathroom or toilet room shared. § 275-23 makes compliance with that section and the chapter's general requirements a condition of operating one.
The co-signer's defence failed. JoAnn Brown signed an apartment lease as a cotenant with her adult son. He was alleged to have started a fire that damaged the complex, the landlord sued only her, and she argued she could not be charged for damage she had not caused. The Texas Supreme Court disagreed, reversed the summary judgment she had won and held this sentence enforceable against a cotenant who was not herself negligent. The route ran through two sections. Tex. Prop. Code § 92.052(b) gives a landlord no duty to repair damage caused by the tenant, an occupant or a guest, so § 92.006(e) had no repair duty to stop the parties contracting over; and the fair-notice doctrine did not apply, because the sentence does not shift the landlord's own negligence onto the tenant. The court added that neither statute, common law nor the Restatement bars “requiring a tenant to reimburse the landlord for damages negligently caused by the tenant or one occupying the premises with the tenant's consent.” A dissent would have held the sentence unenforceable outright because it was not underlined or conspicuous, as § 92.006(e)(4) requires. This is 2001 Texas law, decided on the Texas Property Code - state-specific, and not a national rule.
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.
Wisconsin Law on Roommate Clause
- A roommate rule in the lease is enforced through the ordinary breach notice. Under Wis. Stat. § 704.17(2)(b), if a tenant under a lease of one year or less "breaches any covenant or condition of the tenant's lease, other than for payment of rent", the tenancy ends only if the landlord gives "a notice requiring the tenant to remedy the default or vacate the premises on or before a date at least 5 days after the giving of the notice" and the tenant fails to comply, and a second breach within one year allows a 14-day notice to vacate. For a lease of more than one year, § 704.17(3)(a) allows at least 30 days to comply, and § 704.17(5)(a) makes contrary lease termination provisions invalid except in leases for more than one year.
- An unapproved long-term guest is not automatically a trespasser. The case notes printed with the official text of § 704.17 summarize Johnson v. Blackburn, 220 Wis. 2d 260 (Ct. App. 1998): "Absent notice of termination, the violation of the terms of a lease that required landlord permission for long-term guests did not result in the tenants losing their rights to possession of the property." The same note says the tenants' guests were on the premises with the legal possessor's permission and were not trespassers.
- Where taking in a roommate means subleasing part of the unit, the transfer rules apply. Wis. Stat. § 704.09(1) provides that "A tenant under a tenancy at will or any periodic tenancy less than year-to-year may not assign or sublease except with the agreement or consent of the landlord", while the interest of any other tenant "may be transferred except as the lease expressly restricts power to transfer." Under § 704.09(2), a transfer or consent to transfer does not relieve the original tenant of the lease's contractual obligations absent an express release or a contrary lease provision.
- Milwaukee caps occupancy by room size. Milwaukee Code of Ordinances § 275-44-1 provides that "The maximum occupancy for a one room dwelling unit shall be 2 people", and for larger units counts 0 occupants for a kitchen or for a habitable room under 70 square feet, 1 for a habitable room of at least 70 but less than 100 square feet, and 2 for each habitable room of 100 or more square feet. Section 275-44-2-a adds that "No person may use any kitchen, nonhabitable space or public space for sleeping purposes."
Sources include Wis. Stat. § 704.17; Wis. Stat. § 704.09; Wis. Stat. § 66.0104(2)(d); Wis. Stat. § 66.0104(3)(b); Milwaukee Code of Ordinances § 200-21.5; Milwaukee Code of Ordinances § 275-44; Milwaukee Code of Ordinances § 275-23; Milwaukee Code of Ordinances § 295-201 - statutes change; verify the current text for your situation.
Start with what the Wisconsin sections we read leave open. The sections of Wis. Stat. Chapter 704 and Wis. Admin. Code ch. ATCP 134 we read set no deadline for telling a landlord that a new roommate has moved in.
The roommate paragraph of the lease is the document that carries any day count.
What Wisconsin does write is the route a landlord takes when a lease term is broken. § 704.17(2)(b) covers a tenant under a lease of one year or less who breaches a covenant or condition "other than for payment of rent". That tenancy ends when the landlord gives "a notice requiring the tenant to remedy the default or vacate the premises on or before a date at least 5 days after the giving of the notice" and the tenant fails to comply.
A repeat breach shortens the route. If the tenant breaches again within one year, the landlord may give a 14-day notice to vacate, and a month-to-month tenancy can also be ended on a 14-day notice.
Under a lease of more than one year, § 704.17(3)(a) allows at least 30 days to comply.
These periods run against a tenant in breach. They are the least time a landlord's notice must give, not a window for reporting a roommate. § 704.17(5)(a) makes lease termination provisions contrary to the section invalid, except in leases for more than one year.
A long-term guest is not automatically a trespasser. The case notes printed with the official text of § 704.17 summarize Johnson v. Blackburn, 220 Wis. 2d 260 (Ct. App. 1998).
Absent notice of termination, breaking a lease term that required landlord permission for long-term guests "did not result in the tenants losing their rights to possession of the property."
A roommate who takes over part of the unit can bring in the transfer rules. § 704.09(1) says "A tenant under a tenancy at will or any periodic tenancy less than year-to-year may not assign or sublease except with the agreement or consent of the landlord". The interest of any other tenant "may be transferred except as the lease expressly restricts power to transfer."
Under § 704.09(2), a transfer or consent to transfer does not relieve the original tenant of the lease's contractual obligations, absent an express release or a contrary lease provision. Read each section's current text on docs.legis.wisconsin.gov, since the copies behind this page are archived ones.
Wisconsin Tenant Protections
Begin with the lease. The sections of Wisconsin's Chapter 704 and ATCP 134 we read set no deadline for telling a landlord about a new roommate, which leaves the roommate paragraph of your lease as the document that answers it.
Next is the breach route. Under Wis. Stat. § 704.17(2)(b), a lease of one year or less ends for a breach other than rent when the landlord's notice gives at least 5 days to remedy or vacate and the tenant fails to comply.
A second breach within one year allows a 14-day notice to vacate. Under a lease of more than one year, § 704.17(3)(a) allows at least 30 days to comply.
The case notes printed with § 704.17 summarize Johnson v. Blackburn: absent notice of termination, breaking a long-term guest rule did not cost the tenants their right to possession. Then come the transfer rules.
Section 704.09(1) bars a tenant at will or a periodic tenant under a tenancy less than year-to-year from subleasing without the landlord's agreement or consent, and § 704.09(2) keeps the original tenant bound absent an express release or a contrary lease provision. In Milwaukee, § 275-44-1 caps a one room dwelling unit at 2 people and counts larger units by room size.
Section 200-21.5 has the owner keep a current list of tenants and sublessees authorized to occupy the building.
Read the current text of each section before relying on it.
What's Specific to Milwaukee
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.
Milwaukee's building maintenance code counts people by room. Under § 275-44-1, "The maximum occupancy for a one room dwelling unit shall be 2 people".
A larger unit's limit is the sum of its rooms. A kitchen or a habitable room under 70 square feet counts for none, a room of at least 70 but less than 100 square feet for 1, and each habitable room of 100 or more for 2.
Where people sleep has a rule too. § 275-44-2-a says "No person may use any kitchen, nonhabitable space or public space for sleeping purposes." A roommate's bed in the kitchen or a shared hallway is what that sentence addresses.
The zoning code describes households. Under § 295-201, a family is a single person or group of persons "related by blood, marriage, adoption or affinity" who live together in a stable family relationship.
The same definitions say when a shared unit changes category. A dwelling unit "occupied by more than 3 persons who are not a family or by a family and more than 2 other persons", for periods usually longer than one night and where a bathroom or toilet room is shared, is a rooming house. § 275-23 makes compliance with that section and the chapter's general requirements a condition of operating one.
The owner keeps the list. § 200-21.5 says the owner of any residential rental property "shall maintain a current list of all tenants and sublessees authorized to occupy the building or buildings on such property". The list must reach department personnel within 24 hours of a written request, a duty owed by the owner to the city.
A state section limits what a city may require landlords to report. Wis. Stat. § 66.0104(2)(d)2. bars an ordinance requiring a landlord to communicate information about the landlord or a tenant to the city, unless federal or state law requires it or it is required of all residential real property owners.
Under § 66.0104(3)(b), an ordinance in effect on March 1, 2014 that is inconsistent with sub. (2)(c) or (d) does not apply and may not be enforced.
The Milwaukee file we read does not show when § 200-21.5 was enacted, and we describe it as enacted without predicting how § 66.0104 would apply to it.
On the notice question itself, our record of Chapter 200, Chapter 275 and the zoning definitions in § 295-201 finds no Milwaukee section setting a deadline to tell a landlord about a new roommate. The ordinances were read in the City Clerk's chapter files as archived by the Internet Archive, with no codified through line, so check the current text on the city's site.
The Wisconsin sections we read set no deadline for telling a landlord about a new roommate, which leaves the lease as the place a deadline would be written.
Useful to know. Under § 704.17(2)(b), a lease of one year or less ends for a breach other than rent after a notice giving at least 5 days to remedy or vacate, and a failure to comply.
Milwaukee Code § 275-44-1 counts 2 occupants for each habitable room of 100 square feet or more, 1 for a room of at least 70, and none for a kitchen.
Under § 295-201, a unit occupied by more than 3 persons who are not a family, for periods usually longer than one night with a shared bathroom or toilet room, is a rooming house subject to § 275-23.
Sources
The law this guide relies on, and where to read it. Statutes change, so confirm the current text before you act on it.
- Wis. Stat. § 704.17; Wis. Stat. § 704.09; Wis. Stat. § 66.0104(2)(d); Wis. Stat. § 66.0104(3)(b); Milwaukee Code of Ordinances § 200-21.5; Milwaukee Code of Ordinances § 275-44; Milwaukee Code of Ordinances § 275-23; Milwaukee Code of Ordinances § 295-201, read on web.archive.org. The Wisconsin Legislature's PDF of Chapter 704, in an archived copy dated May 24, 2026, marks the statutes as updated through 2025 Wisconsin Act 170 and in effect on May 22, 2026.
Red Flags to Watch Out For
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A state reporting deadline nobody can cite
If you are told Wisconsin law fixes a deadline for reporting a roommate, ask which section. The Wisconsin sections we read set no deadline for that notice.
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A lease that ends on the spot
§ 704.17(5)(a) makes lease termination provisions contrary to the section invalid, except in leases for more than one year. Read a clause that skips the 5-day remedy notice against it.
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A guest called a trespasser
The case notes with § 704.17 summarize Johnson v. Blackburn: absent notice of termination, breaking a long-term guest rule did not end the tenants' right to possession, and their guests were not trespassers.
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A bed in the kitchen
§ 275-44-2-a bars using any kitchen, nonhabitable space or public space for sleeping. Count the habitable rooms before anyone moves in.
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A sublease you stay liable for
§ 704.09(2) keeps the original tenant bound by the lease's contractual obligations after a transfer, absent an express release or a contrary lease provision.
Your Rights as a Milwaukee Tenant
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Time to remedy before a lease ends
Under § 704.17(2)(b), a lease of one year or less ends for a breach other than rent after a notice giving at least 5 days to remedy or vacate, and the tenant's failure to comply.
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30 days on a longer lease
§ 704.17(3)(a) allows a tenant under a lease of more than one year at least 30 days to comply after the landlord's notice.
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A household measured by its rooms
§ 275-44-1 sets 2 people for a one room dwelling unit and counts larger units room by room, up to 2 for a habitable room of 100 square feet or more.
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Guests are not trespassers by default
The case notes printed with § 704.17 say the tenants' guests in Johnson v. Blackburn were on the premises with the legal possessor's permission and were not trespassers.
What To Do - Step by Step
Read the occupancy and guest paragraphs
Find who may live there, whether approval is needed, and whether a notice period is stated. The Wisconsin sections we read set no deadline, which leaves those paragraphs as the text that answers it.
Measure each room
§ 275-44-1 counts 1 occupant for a habitable room of at least 70 but less than 100 square feet, and 2 for a room of 100 or more. A kitchen counts for none.
Count the household against the zoning definitions
Under § 295-201, more than 3 persons who are not a family, or a family and more than 2 others, sharing a bathroom for stays usually longer than one night make a rooming house.
Put the request in writing
Email the landlord with the person's full name and move-in date, and keep the reply. A tenant at will or a periodic tenant under a tenancy less than year-to-year needs the landlord's consent to sublease under § 704.09(1).
Answer a breach notice before its date
A notice under § 704.17(2)(b) gives at least 5 days to remedy or vacate under a lease of one year or less. Under a longer lease, § 704.17(3)(a) allows at least 30 days.
Check the current text before relying on it
Read § 704.17 and § 704.09 on docs.legis.wisconsin.gov, and check § 275-44, § 295-201 and § 200-21.5 against Milwaukee's current code on the city's site.