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Homes with Casitas & Guest Houses in Dammeron Valley, Utah
Dammeron Valley sits about 15 miles north of St. George along Highway 18, tucked between the red rock and the pines at roughly 4,500 feet of elevation. That altitude matters when you're shopping for a property with a casita or guest house here — summer temperatures run noticeably cooler than the valley floor, winters bring real (if brief) snow, and detached guest quarters stay genuinely usable twelve months a year rather than baking unused from June through September. Lots in the community are typically one to five acres under Washington County's agricultural-residential zoning, which is the practical reason guest houses, mother-in-law suites, and converted shop apartments are far more common here than in the tighter-packed subdivisions south of Diamond Valley.
Buyers gravitating to Dammeron Valley casitas tend to fall into a few camps: multigenerational families housing parents or adult children, semi-retired couples who host grandkids for months at a time, remote workers who want a separate office-with-bathroom, and out-of-state owners who keep a caretaker on the property. Pricing for homes with permitted accessory dwellings generally runs from the mid $800s into the $1.7M range, depending on acreage, views toward Pine Valley Mountain, and whether the second unit has a full kitchen. Septic capacity, water shares through the Dammeron Valley Water Special Service District, and HOA covenants on a few of the smaller pocket developments all affect what's allowed. Browse the active listings below to see which properties currently have a true second living space on the parcel.
May 2026 · Dammeron Valley market
Live from the Utah MLS — what's actually happening in Dammeron Valley right now.
Median sale
$950,000
1 closed in May 2026
Median DOM
—
listing → contract
Sale-to-list
100.1%
of final list price
Unsold inventory
12
active + pending
1 matching · page 1 of 1
Active listings
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Common questions
About homes with casitas & guest houses in Dammeron Valley.
Are casitas and guest houses common in Dammeron Valley? ▾
More common here than in most Washington County communities. Dammeron Valley sits on larger acre-plus lots with agricultural-residential zoning, so detached guest quarters, mother-in-law suites, and converted barns/shops with living space show up regularly. Many were built by original owners who wanted space for visiting family escaping winter elsewhere.
Can a casita in Dammeron Valley be legally rented out? ▾
Washington County's zoning for Dammeron Valley generally allows accessory dwelling units, but short-term rental rules are stricter than in St. George proper. Long-term rentals of a casita are typically fine; nightly rentals usually are not. Always verify the current ordinance and any HOA covenants on the specific parcel before counting on rental income.
How does the elevation affect guest house use here? ▾
Dammeron Valley sits around 4,400-4,600 feet, roughly 1,500 feet higher than St. George. Summers run 10-15 degrees cooler and winters see occasional snow, so casitas here function as comfortable year-round space rather than the summer-unusable outbuildings you sometimes see down in the valley.
What's the price difference between a home with a casita versus without? ▾
In Dammeron Valley, a detached guest house typically adds $80,000-$200,000 to comparable sales depending on size, finish level, and whether it has a full kitchen. Properties with permitted, separately-metered casitas on flat usable acreage sit at the top of that range.
Do these properties usually have separate utilities for the guest house? ▾
It varies. Homes built or remodeled in the last 10-15 years often have separate electric meters and dedicated septic capacity for the casita. Older properties may share systems, which matters if you plan to rent the unit or want privacy between meters. Ask for utility records during due diligence.
Is water a concern for properties with two dwellings? ▾
Dammeron Valley relies on the Dammeron Valley Water Special Service District, and water shares are tied to the lot. Two living units on one parcel don't usually require additional shares, but irrigation for larger landscaped lots is a real cost consideration. Confirm the water allotment and any culinary/secondary setup before writing an offer.