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Homes with Casitas & Guest Houses in Rockville, Utah
Rockville sits just east of Springdale on State Route 9, a quiet farming town of roughly 250 people tucked between the red cliffs of the Vermilion Cliffs and the Virgin River. Because Zion National Park draws around five million visitors a year and Springdale lodging fills up most weekends from March through November, a casita or detached guest house here carries real practical value — most owners use them for short-term rental income (Rockville allows nightly rentals on certain parcels, unlike neighboring Springdale's tighter rules), family overflow during Zion trips, or a private studio away from the main house. The town's large-lot zoning, with many parcels in the 1- to 5-acre range, leaves room for a separate structure without crowding the main home.
Expect a smaller pool of active listings than you'd see in St. George or Hurricane — Rockville rarely has more than a handful of properties on the market at once, and homes with a permitted accessory dwelling are a subset of that. Price points typically run from the high $700s for older farmhouses with converted outbuildings up past $2 million for newer custom builds with architect-designed guest quarters and red-rock views. Water rights, septic capacity for a second dwelling, and short-term rental permitting are the three things worth checking on every property. Browse the current listings below to see which Rockville homes with casitas or guest houses are available right now.
January 2026 · Rockville market
Live from the Utah MLS — what's actually happening in Rockville right now.
Median sale
$2,500,000
2 closed in January 2026
Median DOM
139 days
listing → contract
Sale-to-list
89.6%
of final list price
Unsold inventory
5
active + pending
1 matching · page 1 of 1
Active listings
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Common questions
About homes with casitas & guest houses in Rockville.
Can I legally short-term rent a casita in Rockville? ▾
Rockville permits nightly rentals on parcels in specific zones, but the rules differ from Springdale's. You'll need to verify the property's zoning, obtain a town business license, and confirm the guest structure is permitted as a legal accessory dwelling. Ask the listing agent for the current STR permit status before writing an offer.
What's the difference between a casita and a guest house on Rockville listings? ▾
In local MLS usage, a casita is usually attached or semi-attached to the main home with its own entrance, while a guest house is fully detached. Detached guest houses in Rockville often include a full kitchen and are sometimes converted barns, original farmhouses, or purpose-built studios. The distinction matters for septic, utility metering, and rental permitting.
Do guest houses in Rockville need separate septic systems? ▾
Washington County health code generally requires septic capacity sized to the total bedroom count across both structures, and in some cases a second tank. If a seller added a guest house without upgrading septic, that's a flag worth raising during inspection. A septic inspection and county records check should be part of due diligence.
How does Rockville compare to Springdale for buying a property with a guest house? ▾
Rockville is quieter, has larger lots, no commercial strip, and is about a 10-minute drive to the Zion entrance versus Springdale's walking distance. Prices per square foot tend to run lower than Springdale, and Rockville's short-term rental rules are more permissive on qualifying parcels. The tradeoff is fewer amenities and a longer drive to groceries in Hurricane or La Verkin.
What should I expect to pay for a Rockville home with a casita? ▾
Pricing ranges widely based on acreage, water rights, and the condition of the guest structure. Older homes with converted outbuildings often start in the high $700s to low $900s, while newer custom builds with architect-designed casitas and cliff views frequently list between $1.4M and $2.5M. Properties with established STR history and income records tend to command a premium.
Are water rights included with Rockville properties? ▾
Many Rockville parcels carry shares in the Rockville Pipeline Company or Hurricane Valley irrigation, and water rights are negotiated separately from the home sale. For a property with a guest house, confirm both culinary water capacity and any irrigation shares in writing. Water is the single most important due-diligence item on rural Washington County land.