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Homes with Casitas & Guest Houses in Farmington, Utah
Farmington sits at the base of the Wasatch about 17 miles north of downtown Salt Lake and 10 minutes from the SLC airport via Legacy Parkway, which makes a casita or detached guest house genuinely useful here. Buyers in this market tend to be multigenerational families, Lagoon-adjacent landlords eyeing Station Park traffic, or commuters who want a private office separated from a busy household. Older sections near Main Street and the historic district occasionally have carriage-house-style outbuildings, while newer foothill builds in Farmington Ranches, Oakridge, and the benches above Shepard Lane are where most true attached casitas and ADU suites show up — often above oversized garages or tucked into walk-out basements that exit to the back yard.
Davis County zoning allows internal accessory dwelling units in most single-family zones, but detached guest houses face stricter rules around lot size, setbacks, and owner occupancy, so it pays to verify what's permitted versus what's simply built. Casita homes in Farmington generally run from the mid $700s for an older property with a basement mother-in-law setup into the $1.5M+ range for foothill estates with full detached guest quarters and Great Salt Lake views. Utility separation, kitchen legality, and whether the unit has its own address all affect appraisal and rentability. Browse the active listings below to see which Farmington homes currently offer casita or guest house space, and reach out if you'd like help confirming the ADU status on a specific property.
May 2026 · Farmington market
Live from the Utah MLS — what's actually happening in Farmington right now.
Median sale
$740,000
19 closed in May 2026
Median DOM
3 days
listing → contract
Sale-to-list
98.5%
of final list price
Unsold inventory
70
active + pending
5 matching · page 1 of 1
Active listings
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Common questions
About homes with casitas & guest houses in Farmington.
What's the difference between a casita, an ADU, and a guest house in Farmington listings? ▾
Agents use the terms loosely, but in Farmington a casita usually means an attached suite with its own entrance — often above the garage or off a courtyard. A guest house is typically detached, and an ADU (accessory dwelling unit) is the legal designation Davis County uses when the space has a kitchen and can be rented. Always check the city's ADU registry before assuming a unit is legal to rent.
Does Farmington allow short-term rentals in a casita or guest house? ▾
Farmington City restricts short-term rentals (under 30 days) in residential zones, so Airbnb-style use of a casita is generally not permitted. Long-term rental of a registered internal ADU is allowed in most R zones if the owner occupies the main dwelling. Confirm with Farmington City Planning before counting on rental income.
Which Farmington neighborhoods most often have homes with guest quarters? ▾
The foothill neighborhoods east of Highway 89 — Farmington Ranches, Oakridge, and the newer benches off Shepard Lane and 600 North — have the most purpose-built casitas because lots are larger and builders market to multigenerational buyers. Older homes near the historic district sometimes have converted carriage houses or basement apartments instead.
What price premium do casita homes carry in Farmington? ▾
Expect roughly $75K to $200K more than a comparable single-family home without a separate suite, depending on whether the unit is attached or detached, has a full kitchen, and is legally permitted. Detached guest houses on foothill lots command the highest premium because of construction cost and zoning scarcity.
Can I get financing on a home with a detached guest house? ▾
Yes, conventional and jumbo loans handle these fine as long as the property is still classified as single-family residential. FHA and VA loans are stricter — the second unit usually can't have a full kitchen unless the property is appraised as a 2-unit, which changes loan limits. Talk to a lender familiar with Davis County ADUs before writing an offer.
How many Farmington homes with casitas typically hit the market? ▾
It's a thin segment — usually only a handful of active listings at any given time across the whole city. Inventory turns quickly when a true detached guest house comes up, so buyers in this niche often set up MLS alerts and tour within the first week.