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Homes with Casitas & Guest Houses in Sandy, Utah
Sandy sits at the south end of the Salt Lake Valley with the Wasatch rising right out of the backyards on the east bench, and homes with casitas or guest houses tend to cluster where lot sizes still allow a second structure — Pepperwood, Granite, Hidden Valley, and the older custom-built pockets above 1300 East. Buyers looking for a separate guest space in Sandy usually fall into one of three camps: multigenerational families wanting privacy for parents or adult kids, remote professionals who need a real office detached from the main house, and owners who want a long-term rental unit to offset a mortgage on a $700K-$1.4M primary home. Utah's 2021 state ADU law made internal accessory units easier to permit in Sandy, but detached casitas still depend on zoning, lot size, and whether the structure has its own kitchen and bathroom.
Climate plays into how these spaces get used. Sandy gets all four seasons — hot dry summers in the 90s, real winters with inversion and snow — so a detached guest house needs its own heat source and insulation to be livable year-round, not just a summer pool house like you'd see in St. George. Proximity to Little Cottonwood and Big Cottonwood canyons also means a lot of these properties get used as ski-season landing spots for visiting family. Listings turn over slowly in this category since the inventory is naturally limited. Browse the active homes below to see what's currently available with a casita, guest house, or permitted ADU in Sandy.
May 2026 · Sandy market
Live from the Utah MLS — what's actually happening in Sandy right now.
Median sale
$716,500
92 closed in May 2026
Median DOM
12 days
listing → contract
Sale-to-list
98.9%
of final list price
Unsold inventory
267
active + pending
21 matching · page 1 of 1
Active listings
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Common questions
About homes with casitas & guest houses in Sandy.
What's the difference between a casita and an ADU in Sandy? ▾
A casita is typically a detached or semi-detached guest suite, while an ADU (accessory dwelling unit) is the legal classification Sandy uses for a fully independent secondary living space with its own kitchen and entrance. Sandy allows internal ADUs citywide under state law, but detached ADUs and short-term rental use have additional zoning requirements. Always confirm the unit's permitted status with Sandy City before assuming you can rent it out.
Can I rent out a guest house in Sandy for income? ▾
Long-term rentals of a permitted internal ADU are generally allowed under Utah's 2021 state ADU law, which Sandy follows. Short-term rentals (under 30 days) are much more restricted and usually require the unit be owner-occupied with a business license. Detached casitas have stricter rules, so verify the specific property's zoning before counting on rental income.
Which Sandy neighborhoods tend to have homes with casitas? ▾
Larger lots in Pepperwood, Granite, Hidden Valley, and parts of east Sandy near the bench are where most detached guest houses show up, since the lot sizes support a second structure. Newer builds in Dimple Dell and pockets near Bell Canyon sometimes include attached casita suites designed for multigenerational living.
What price premium do casita homes carry in Sandy? ▾
Expect roughly a 5-12% premium over a comparable home without one, though it varies widely based on whether the space is a finished basement apartment versus a true detached structure with its own utilities. Detached guest houses on bench-area lots can push well above $1M given the land value alone.
Are casitas useful for multigenerational living here? ▾
Yes — this is actually the most common use in Sandy. Proximity to Intermountain Alta View Hospital, easy access to I-15 and TRAX, and the family-oriented Canyons School District make Sandy a practical spot for aging parents or adult children to live on the same property while keeping separate space.
Do guest houses count toward the home's square footage? ▾
Detached casitas are usually listed separately on the MLS and in county records, not rolled into the main home's finished square footage. Attached suites with interior access typically do count. This matters for appraisals and for comparing list prices, so check the listing details and Salt Lake County assessor records carefully.