You own your house and live in it. Can you share one or two spare rooms with people who are not family, for a month or longer? This page answers that question for Utah, from its state laws and a sample of its cities and counties. We call it a typical home share.

Utahat a glance

Utah law

Should you worryabout zoning?

Answer four quick questions. We will show you what the rules we found say for a home like yours, and what to ask your city or county. It works for homeowners and for the family members helping them.

Check your situation

Cities and countiesin Utah

Cities and counties

Details for each location

This page is here to help you learn and to give you context. It does not interpret any zoning code and is not legal advice. Rules vary and change, and only your city or county planning office can say what applies to your home.

What the law asksof a home share

Where a state's landlord and tenant law covers home sharing, it gives you and your home sharer a few ground rules. Knowing them up front makes for a better agreement and fewer surprises.

Ground rules in Utah

Sharing, boarding, renting, rooming:what the words mean

The laws and codes rarely say "home sharing." They use older words, and each city or county can define them differently. Here is what each word means in everyday terms, and how Utah and the locations in our sample use it.

For local leaders

For the national picture, the history of these rules, and more resources, see The Rules Behind the Spare Room.

This page is here to help you learn and to give you context. It does not interpret any zoning code and is not legal advice. Rules vary and change, and only your city or county planning office can say what applies to your home.

Citations, Definitions & SourcesOpen the fine printClose the fine printEvery rule on this page is quoted from a law, a code, or a court opinion, with the date we checked it. The sources for Utah are available by clicking Open the Fine Print.

Definitions

A typical home share. You own your house and live in it, and you share one or two spare rooms with people who are not family, for a month or longer.

The six answers. Yes: the rules we found allow a typical home share with no extra step. Yes, with limits: they allow it but set a limit, such as a number of people or rooms. Yes, after a permit or sign-up: they allow it once a step is done. Not clear: the rules do not answer it either way, or we could not read them. No county zoning found: the county and state sources we read show no county zoning code, though none says so in words. No: the rules do not allow it.

State policy and zoning toward home sharing. The map groups states by what their laws and plans do for home sharing today. A state is Leading when two things are true. First, its law stops cities and counties from limiting who lives together based on family ties, in all cases or in some. Second, the state has committed to home sharing: it names home sharing in its State Plan on Aging, an aging strategy, or an affordable housing plan, funds an ongoing home sharing program, or has a law that allows such funding. A one-time pilot is a welcome first step, but it does not count as a statewide commitment. A state is Supportive when one of the two is true, Open when neither is but its landlord and tenant law clearly covers home sharing, and Getting started when none of these is true yet. A state is marked as an opportunity, in a lighter shade on the map, when it has committed to home sharing but its laws do not yet protect home sharing statewide or do not yet say clearly which ground rules apply. Every check traces to a cited source on the state's page. The groups describe state law and policy, not how welcoming any community is, and not what any particular home may do.

Single housekeeping unit. Many zoning codes say a family or household must live as a "single housekeeping unit." The phrase describes people who live together as one household, sharing the home, rather than as separate tenants under one roof. Most codes use it without saying more, and each city or county decides what it means. The codes in our sample that spell it out point to the same kinds of things: sharing the kitchen and living areas, sharing chores and expenses, and, as signs of separate households, locks on bedroom doors or separate leases. Where a city or county on this page defines the phrase, its entry quotes the definition under Read the code. If your city or county's code uses the phrase, ask the planning office how it applies to a home share, such as one where the person sharing your home pays rent and has their own room.

Checked. The date we last read the source itself. Codes change. Your planning office has the current version.

Sources for Utah

SourceWhere it is used
Utah Code 10-20-602, Limit on single family designation (effective 11/6/2025; Renumbered and Amended by Chapter 15, 2025 Special Session 1)Utah. Checked 2026-10-08. Open the source.
Office of Legislative Research and General Counsel, Chapter 10-9a crosswalk: "10-9a-505.5, Limit on single family designation: Renumbered and amended as 10-20-602"Utah. Checked 2026-10-08. Open the source.
S.B. 45 (2010), Utah Fit Premises Act Amendments, enrolled: enacts 10-9a-505.5 and 17-27a-505.5Utah. Checked 2026-10-08. Open the source.
Utah Code Title 57, Chapter 22, Utah Fit Premises Act, 57-22-2Utah. Checked 2026-10-08. Open the source.
Utah Code Title 57, Chapter 17, 57-17-1 and 57-17-3Utah. Checked 2026-10-08. Open the source.
Utah Code Title 78B, Chapter 6, Part 8, Forcible Entry and Detainer, 78B-6-801, 802, 814Utah. Checked 2026-10-08. Open the source.
Village of Belle Terre v. Boraas, 416 U.S. 1 (1974)Utah. Checked 2026-10-08. Open the source.
Moore v. City of East Cleveland, 431 U.S. 494 (1977)Utah. Checked 2026-10-08. Open the source.
H.B. 82, Single-family Housing Modifications, 2021 General Session, enrolledUtah. Checked 2026-10-08. Open the source.
Utah Code 57-21-3, 57-21-5, Utah Fair Housing ActUtah. Checked 2026-10-08. Open the source.
42 U.S.C. 3603(b)(2)Utah. Checked 2026-10-08. Open the source.
42 U.S.C. 1982Utah. Checked 2026-10-08. Open the source.
Jones v. Alfred H. Mayer Co., 392 U.S. 409 (1968): section 1982 "contains none of the exemptions" in the Fair Housing ActUtah. Checked 2026-10-08. Open the source.
Utah DHHS, The WISE Aging Initiative: Utah's 10-Year Plan on Aging, revised July 29, 2026, p. 9 and p. 28Utah. Checked 2026-10-08. Open the source.
Utah DAAS, Utah WISE Initiative pageUtah. Checked 2026-10-08. Open the source.
Utah DHHS, WISE Aging Initiative, revised June 16, 2026, p. 8Utah. Checked 2026-10-08. Open the source.
Utah Commission on Aging, Utah for the Ages: A Master Plan for Aging in Utah, updated Jan 1, 2025Utah. Checked 2026-10-08. Open the source.
Utah DAAS, AboutUtah. Checked 2026-10-08. Open the source.
Utah Housing Strategic Plan, Phase II DraftUtah. Checked 2026-10-08. Open the source.
Salt Lake City Code chapter 21A.62, Definitions (Family; Dwelling; Dwelling, rooming (boarding) house; Dwelling, single-family; Shared housing; Short term rental)Salt Lake City, Utah. Checked 2026-10-09. Open the source.
Salt Lake City Code 21A.33.020, Table of Permitted and Conditional Uses for Residential DistrictsSalt Lake City, Utah. Checked 2026-10-08. Open the source.
Salt Lake City Code chapter 5.14, Rental DwellingsSalt Lake City, Utah. Checked 2026-10-08. Open the source.
WVCC chapter 7-1, 7-1-103 Definitions ((38) Boarding Home, (95) Dwelling Unit, (154) Lodging Facility, (244) Single Unit Dwelling)West Valley City, Utah. Checked 2026-10-08. Open the source.
WVCC 7-6-201, Agricultural and Residential Use TableWest Valley City, Utah. Checked 2026-10-08. Open the source.
WVCC 17-2-801 and 17-2-802, rental dwelling business licenseWest Valley City, Utah. Checked 2026-10-08. Open the source.
Garfield County Code 155.009 Definitions (Family, Dwelling, Dwelling unit, Lodging house, Boarding house, Roomer, Transient, Transient rentals)Garfield County, Utah. Checked 2026-10-08. Open the source.
Garfield County Code 155.270 to 155.275, Residential Zone (R)Garfield County, Utah. Checked 2026-10-09. Open the source.
Garfield County Planning page, linking the Garfield County Code on American LegalGarfield County, Utah. Checked 2026-10-08. Open the source.
Garfield County Code 110.11 Definitions (page also carries 110.12 to 110.99)Garfield County, Utah. Checked 2026-10-08. Open the source.
Garfield County Code chapter 110, 110.01 Business licenseGarfield County, Utah. Checked 2026-10-08. Open the source.

Cite This Paper

HomeShare Oregon. (2026). The Rules Behind the Spare Room: Utah. https://homeshareoregon.org/research/rules-behind-the-spare-room/utah/

About HomeShare Oregon

HomeShare Oregon publishes this paper as students of aging, housing, and community infrastructure. We operate one of many possible interventions in the missing middle. We believe the most useful contribution we can make to the larger field is to add a frame and a research agenda, rather than to argue for our particular role within it.

If you are working on related questions, we would like to hear from you. Email the executive director at executivedirector@homeshareoregon.org.