Homes with Casitas & Guest Houses in Kamas, Utah
Kamas sits at the mouth of the Mirror Lake Highway, about 20 minutes east of Park City and roughly an hour from the Salt Lake airport. It's high-country ranch territory — elevation around 6,500 feet, real winters with snow on the ground from November into April, and lot sizes that actually have room for a second structure. That's why casitas and guest houses show up here more often than in tighter Wasatch Front markets. Properties in Woodland, Marion, Francis, and the Kamas Valley proper frequently sit on 1 to 20+ acres, which gives owners the setback room and septic capacity to build a detached guest unit, a mother-in-law suite over the shop, or a full ADU with its own kitchen and laundry.
Buyers shopping Kamas for a home with a casita usually fall into a few camps: families who want a place for visiting parents during ski season, Park City commuters who plan to rent the main house seasonally and live in the smaller unit, and ranch buyers who need housing for a caretaker or extended family. Summit County's ADU rules and the specific zoning on each parcel (AG, RR, or RC) matter a lot here — what's allowed in unincorporated South Summit isn't the same as inside Kamas City limits. Square footage, separate utilities, and whether the unit is legally permitted as a second dwelling all affect both price and financing. Browse the active listings below to see which Kamas-area properties currently include a casita, guest house, or detached secondary living space.
May 2026 · Kamas market
Live from the Utah MLS — what's actually happening in Kamas right now.
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Active listings
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Common questions
About homes with casitas & guest houses in Kamas.
What's the difference between a casita, a guest house, and an ADU in Kamas listings? ▾
In Summit County MLS language, a casita is usually a smaller attached or semi-attached unit sharing a wall or breezeway with the main home. A guest house is typically detached and may or may not have a full kitchen. An ADU (accessory dwelling unit) is the legal designation — it means the second unit is permitted, has its own address or utility meters in some cases, and can often be rented out. Always check the permit status before assuming you can rent it.
Can I short-term rent a casita or guest house in Kamas? ▾
It depends on the parcel. Kamas City and the surrounding South Summit unincorporated areas have different rules than Park City's nightly-rental zones. Most of the agricultural and rural residential parcels around Kamas do not allow nightly rentals, though longer-term (30+ day) leases are generally permitted. Verify with Summit County Community Development before closing if rental income is part of your plan.
How much more do homes with guest houses cost in the Kamas area? ▾
A permitted, finished guest house typically adds $150,000 to $400,000+ to a Kamas-area property's price, depending on square footage, finish level, and whether it has a full kitchen. On larger acreage listings in Woodland or Francis with a separate caretaker's cabin or barn apartment, the premium can be even higher because the structure often comes with its own well or septic capacity.
Are casitas in Kamas usually on the same septic system as the main house? ▾
Most rural Kamas properties are on private well and septic. A legally permitted second dwelling generally requires either an expanded septic system sized for both units or a separate septic entirely. This is one of the first things to verify during due diligence — an unpermitted guest house tied into an undersized septic can become an expensive surprise.
Will a lender count guest house rental income toward my qualification? ▾
If the unit is legally permitted as an ADU and has a documented rental history (or an appraiser's rent schedule on a 1007 form), most conventional and jumbo lenders will count 75% of projected rent toward qualifying income. Unpermitted bonus living space won't count, even if it has a kitchen and bathroom. Talk to your lender early if rental income matters to your loan approval.
How many Kamas listings with a casita or guest house are typically active? ▾
Inventory is thin — Kamas is a small market, and properties with a true secondary dwelling usually number in the single digits at any given time across Kamas, Marion, Woodland, Francis, and Oakley combined. They tend to move quickly when priced right, especially in the spring and early summer buying window.