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Homes with Casitas & Guest Houses in Highland, Utah
Highland sits between Alpine and Lehi on the east bench of Utah County, and the lots here are bigger than what you'll see in most Wasatch Front cities — half-acre and acre parcels are common in neighborhoods like Highland Oaks, North County Boulevard, and the streets backing up to Lone Peak. That extra land is exactly why detached casitas and guest houses show up on the Highland MLS more often than in tighter cities like Pleasant Grove or American Fork. Buyers here tend to be multigenerational families, business owners who want a private office separate from the main house, or parents planning ahead for adult kids attending UVU or BYU just down the freeway.
Before you tour, it helps to know that Highland City zoning treats accessory dwelling units differently depending on whether they're internal (ADU inside the main home) or detached (a true casita or guest house on the same lot). Detached units generally require the larger R-1-40 lots and have specific setback and owner-occupancy rules, so verify the structure's permit history with the city before assuming it can be rented on Airbnb or to a long-term tenant. Most legal guest houses in Highland were built as in-law suites rather than income properties. Price premiums for a permitted casita typically run $80K–$150K over a comparable single-structure home, depending on square footage and finish level. Browse the active listings below to see what's currently on the market with a casita or detached guest quarters.
May 2026 · Highland market
Live from the Utah MLS — what's actually happening in Highland right now.
Median sale
$850,000
23 closed in May 2026
Median DOM
13 days
listing → contract
Sale-to-list
97.7%
of final list price
Unsold inventory
78
active + pending
5 matching · page 1 of 1
Active listings
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Common questions
About homes with casitas & guest houses in Highland.
Does Highland City allow casitas and detached guest houses? ▾
Yes, but detached accessory dwellings are tied to lot size and zoning — most legal casitas sit on R-1-40 (roughly one-acre) parcels with specific setback requirements. Internal ADUs are allowed more broadly. Always pull the permit history with Highland City before closing, since some guest houses were built as unpermitted additions.
Can I rent out a guest house in Highland on Airbnb? ▾
Short-term rentals are heavily restricted in Highland and most detached ADUs are approved only for family use, not nightly rentals. Long-term rentals may be allowed with owner-occupancy of the main home. Confirm current rules directly with Highland City Planning before counting on rental income.
What's the price premium for a Highland home with a casita? ▾
Expect roughly $80,000 to $150,000 over a comparable home without one, though high-end finishes, full kitchens, and separate utilities can push that higher. Homes in the $1.2M–$2M range on larger Highland Oaks lots are where most permitted guest houses show up.
Are these typically attached mother-in-law suites or fully detached buildings? ▾
Both exist on the Highland MLS. Attached suites with private entrances are more common in newer builds from the 2010s onward, while fully detached casitas tend to appear on the older acre lots closer to the Lone Peak foothills. Listing photos and floor plans usually make the distinction clear.
Do guest houses in Highland have separate utilities? ▾
It varies. Many older detached units share water and gas with the main home, while newer permitted builds often have separate electrical sub-panels and sometimes their own gas meter. Separate utilities matter if you plan to rent long-term or want clean accounting for a home office.
Why are casitas more common in Highland than nearby cities? ▾
Highland's larger minimum lot sizes — particularly in the R-1-40 zone east of the freeway — leave room for a second structure without crowding the property. Cities like Pleasant Grove and Lehi have far more quarter-acre lots where a detached casita just won't fit within setbacks.