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Homes with Casitas & Guest Houses in Monroe, Utah
Monroe sits in the Sevier Valley about three hours south of Salt Lake, with the Tushar Mountains rising to the west and Monroe Mountain forming the eastern edge of town. It's a small agricultural community of roughly 2,400 residents where lot sizes tend to be generous, water rights still matter, and detached outbuildings are part of the landscape. That's why casitas and guest houses show up here more often than in tighter Wasatch Front suburbs — older farmsteads frequently have a second structure that's been converted to living quarters, and newer builds on acreage often add a guest unit for multigenerational living or visitors heading to Fishlake, Capitol Reef, or the Mystic Hot Springs right in town.
Buyers shopping Monroe for a property with a secondary dwelling usually fall into a few camps: families housing aging parents, owners who want short-term rental income from travelers passing through on Highway 89, and remote workers wanting a separate office or studio detached from the main house. Pricing varies a lot depending on whether the guest house is a permitted ADU with its own utilities or a converted bunkhouse, so reading the listing details carefully matters here. Sevier County's zoning and Monroe City's ordinances on accessory dwellings also affect what you can legally rent out. Browse the active listings below to see which Monroe properties currently have a casita or guest house on the lot, and reach out if you want help sorting permitted units from informal conversions.
June 2026 · Monroe market
Live from the Utah MLS — what's actually happening in Monroe right now.
Median sale
$340,486
2 closed in June 2026
Median DOM
135 days
listing → contract
Sale-to-list
101.3%
of final list price
Unsold inventory
25
active + pending
2 matching · page 1 of 1
Active listings
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Common questions
About homes with casitas & guest houses in Monroe.
How common are casitas and guest houses on Monroe properties? ▾
They're not on every listing, but Monroe has more of them than you'd expect for a town of about 2,400. Many older homes sit on half-acre to multi-acre lots with detached outbuildings that have been converted to guest quarters, and newer builds south of town occasionally add a casita for extended family or rental income.
Can I legally rent out a casita as a short-term rental in Monroe? ▾
Monroe City and Sevier County have their own rules on accessory dwellings and short-term rentals, and zoning varies block to block. Before banking on Airbnb income from Mystic Hot Springs visitors or Fishlake travelers, call Monroe City Hall to confirm the parcel's zoning and whether the secondary unit is permitted as a legal ADU.
Do casitas in Monroe typically have full kitchens and separate utilities? ▾
It varies widely. Some are simple guest rooms with a bath and kitchenette, others are full second residences with their own meter and septic connection. The listing remarks usually spell this out, but verify with the seller's disclosures since older converted structures sometimes share well and septic with the main house.
What do buyers usually use these guest houses for around here? ▾
Three main uses: housing for aging parents or adult kids, lodging for visitors coming through for Fishlake, Big Rock Candy Mountain, or the hot springs, and rental income from travelers and seasonal workers. A few owners also use the casita as a studio, office, or workshop.
How does a guest house affect property taxes and financing in Sevier County? ▾
A permitted second dwelling can raise the assessed value and may shift the property out of standard residential financing into a multi-unit loan category, depending on the lender. Sevier County assesses based on improvements, so an unpermitted converted shed and a legal ADU are treated very differently on the tax roll.
Are casita properties in Monroe priced much higher than standard homes? ▾
Generally yes, but the premium depends on whether the second unit is permitted, finished, and income-producing. A main house with a basic detached guest room might add $30K–$60K over a comparable single-family, while a fully permitted ADU on acreage can push pricing well into the higher end of the Monroe market.