Live Farmington listings, filtered
Homes with an ADU or casita in Farmington.
Farmington listings with an accessory dwelling unit, whether that is a basement apartment, a detached casita, or an attached mother-in-law suite, fed straight from the MLS and sorted newest first, with a clear read on what makes one legal here and what to verify before you write an offer.
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- Farmington, UT
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Want it narrower? Tell me your exact spec.
Newest first
The newest ADU and casita listings.
Fed straight from the local MLS and filtered to homes that note an accessory dwelling unit, whether that is a basement apartment, a detached casita, or an attached mother-in-law suite. New Farmington listings appear here as they list, and sold homes drop off. The read on what makes one legal is just below.
Buying here
Sort permitted from merely finished before you tour.
A second kitchen and a side door do not make a unit legal on their own here, so the question that matters is whether the space is permitted and conforming with the city, not just whether it exists. Tell me what setup you need, an attached suite, a basement apartment, or a detached casita, and I will have the Farmington-area partner agent I work with pull the permit history on any home you flag.
Selling here
Own a Farmington home with a documented accessory unit?
Buyers on this page want a basement apartment, an attached suite, or a detached casita with the paperwork to back it up, not just a finished space with a second door. List it with the Farmington-area partner agent I connect you with and it goes in front of exactly that search.
Listing information comes from the local MLS and is deemed reliable but not guaranteed.
The local read
What an accessory dwelling really means in Farmington.
An accessory dwelling is a property feature, not a promise. On a Farmington listing it means a secondary living space that can function on its own: a second kitchen, its own bathroom, a separate exterior entrance, and sometimes a separate utility meter. The words move around. A basement apartment is a lower level built out that way, a casita is usually a detached unit set apart from the house, and a mother-in-law suite is usually an attached apartment on the main or upper floor. The search shows up for two honest reasons, flexible living under one roof and a rentable suite where the unit is legal, and both turn on the same homework, which is whether the space is actually permitted.
Farmington is reasonable ground for this search, and the form it takes here is mostly the basement apartment. The Wasatch Front frost line is deep, so foundations go down and a basement is the norm in this stock, which the city hub frames plainly. The build form shows up most in the larger newer two-story homes through Farmington Ranches, the Eagle Bay area off Clark Lane, and the west flats, roughly 2,500 to 4,500 square feet, where the depth and ceiling height make a comfortable second kitchen and a real lower-level bedroom workable. On the sloped east bench around the Oakridge Country Club area, the grade adds a second pattern: a lower level can open to daylight or walk out to the yard, which is the cleanest setup for an attached suite with its own entrance. A fully detached casita is the rarest shape in a suburban city built out this way, since it takes a lot with room for a second structure, so treat one as a find rather than an expectation.
Here is the part that matters more than the photos. A finished basement is not the same as a legal apartment, and neither is a converted room over the garage or a guest building out back. A second kitchen and an outside door do not make a unit conforming on their own, and a great many existing accessory units in older Utah housing were finished over the years without permits or were built before today's rules. That is not a reason to walk away, but it is the reason to verify rather than assume. What is allowed comes down to the specific parcel's zoning, and the two questions that decide everything are whether the unit is permitted with Farmington City and whether it has its own legal egress, meaning a code-sized window well or a door out of every sleeping room below grade.
Treat any income angle with the same caution. I will not quote you a rent number or a payment number on a page like this, because what a unit could earn depends entirely on its legal status, the specific space, and rules that change, and a non-conforming unit cannot be counted on at all. What I can do is point you at the right stock. If a true separate suite is the goal, the larger floor plans are the natural hunting ground, so the bigger homes on the two-story page and the single-story page are useful next stops. If you only want the extra square footage and not a second kitchen, the homes with a basement page is the wider search, and because a separate entrance is easier on a bigger lot with no shared-amenity rules over it, the no-HOA page pairs naturally with this one. Earlier in the process than show me listings? Start with the Farmington guide, and when a home below reads right, that is the moment to reach out.
What counts as an accessory dwelling
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The form it takes: in Farmington most of these are basement apartments, since a full basement is the norm in this stock. Attached mother-in-law suites turn up too, and a detached casita is rare in a suburban city built out this way, so read the listing for where the space actually sits.
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Second kitchen: a full or kitchenette setup is the core marker. A finished basement or a spare suite with no kitchen is just extra space, not a separate unit, so read the listing for the actual layout.
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Separate entrance: the second front door this search is really about. A private exterior entry, often a walkout or a side door the bench grade makes possible, is what lets the space live on its own rather than as a through-the-house extension.
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Separate egress: every sleeping room below grade needs a code-sized window well or a door to the outside. This is a safety item and a legality item at once, and it is the first thing to confirm in person, not from a photo.
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Separate utilities: some units have their own gas or electric meter, or at least split HVAC. It is a convenience, not proof of legality, so note it but do not read it as a permit.
The local map
Where the accessory units actually are.
Homes with a second living space turn up across Farmington, but the forms concentrate in a few patterns, and the basement apartment is by far the dominant one. Here is where to look, and the due-diligence note attached to each.
Farmington Ranches and the west flats
The late-1990s-to-2010s growth engine west of I-15, predominantly two-story single-family from roughly 2,500 to 4,500 square feet on suburban lots. The bigger floor plans here have the deepest, tallest basements, which makes a comfortable second kitchen and a real lower-level bedroom more workable than in a low older basement. Bigger lots are also the only place a detached casita has room to sit, so if a separate structure is the goal, that is the lot to look for. A newer build is also more likely to have been finished with permits, but you still verify it.
The Eagle Bay area off Clark Lane
Part of the same west-side master-planned wave, with full basements common under the two-story stock and Eagle Bay Elementary threaded through the parks. The lower levels here are younger and more likely built to current code, so this is a place to find a separate suite that was done the right way. Confirm the permit history and the egress windows on the bedrooms below all the same.
The east bench and Oakridge area
The sloped foothill side east of US-89 around the Oakridge Country Club area and the Shepard Lane corridor. The grade is the advantage: a lower level can open to daylight or walk out to the yard, which is the cleanest way to give an attached suite its own grade-level door. The stock is mostly 1970s-2000s resale plus newer custom, so some lower levels were finished years ago and need the permit question asked.
Walkout and daylight lots generally
Anywhere the lot slopes, the bench or a graded subdivision, a lower level can open to grade with full windows and a real door, which is the ideal setup for a separate suite that lives like its own floor rather than a dark basement. These read very differently in person than a fully below-grade basement, so it is worth filtering for the walkout note and standing in the space.
The historic downtown grid
The original pioneer plat around Main and State holds older homes on larger lots, and some carry a finished or apartment-style basement added over the decades. These are the most likely to be non-conforming or pre-rules, and the core also sits under historic-district renovation guidelines, so the verification work is heaviest here. Treat any apartment claim as something to confirm with the city, not assume.
Split-level and older established homes
Farmington's 1970s-90s established resale stock includes split-levels, and the half-flight-down layout can put a lower living level near a grade-level door. The space is there; the question is whether the conversion was permitted and whether the bedrooms below have legal egress.
Before you tour: what to actually check
Is it permitted, and is it zoned for it: ask the listing agent for the permit history and confirm the unit's status with Farmington City, since what is allowed depends on the parcel's zoning. A second kitchen and a side door do not make a unit legal on their own.
Egress on every bedroom: each sleeping room below grade needs a code-sized egress window and well, or a door to the outside. Look at the actual window wells on the lot, not just the listing photos.
Conforming vs. existing: many older basement apartments are non-conforming, finished before today's rules or without permits. Understand exactly what you are buying and what can and cannot be relied on going forward.
Separate systems, done to code: check whether the kitchen, HVAC, and any meter are genuinely separate, and whether the wiring and gas work for the second kitchen were done to code and inspected, not just installed.
Attached, detached, or below grade: note which form you are looking at, because they live very differently. Stand in the lower level, since a tall daylight or walkout basement lives very differently from a short, fully below-grade one, and on the bench the grade is often what makes a real separate entrance possible.
Which water system, and the rest: Farmington lots carry city culinary water plus a separate pressurized-irrigation bill, and the provider varies by area, so check the bill, and on any older home, date the roof, furnace, electrical panel, and sewer lateral.
Want a real accessory dwelling without the guesswork?
Tell me your budget, the part of Farmington you like, whether you want a basement apartment, an attached suite, or a detached casita, and whether you need a fully permitted, conforming unit or are open to an existing space you would verify and possibly bring up to code. I will connect you with a trusted Farmington-area partner agent for the on-the-ground work and stay on the file for the homework and the financing, with straight answers about which spaces are legal units and which are just finished basements with a door.
Selling a Farmington home with a basement apartment, a casita, or an attached accessory suite? The buyers reading this page want exactly that. List it with the Farmington-area partner agent I connect you with, and your home gets featured across MovingUtah, on the pages they are already reading.
Quick answers
ADU and casita shopping, answered.
It is a secondary living space that can function on its own, and the listings use several words for it. In Farmington the most common form by far is a basement apartment, a lower level built out with a second kitchen, its own bathroom, and a separate exterior entrance. A casita usually means a detached unit set apart from the main house, and a mother-in-law suite usually means an attached accessory apartment on the main or upper level. All of them are property features describing the space, nothing more. The big thing to know is that a second kitchen and an outside door do not make a unit legal on their own, so the real work is confirming whether it is permitted and conforming with Farmington City and what the specific parcel's zoning allows.
Some are and some are not, which is exactly why you verify rather than assume. An accessory dwelling has to be permitted with Farmington City to be treated as a separate dwelling, what is allowed depends on the parcel's zoning, and many existing basement apartments and converted suites in older homes were finished over the years without permits or were built before today's rules, so they are non-conforming. That is not a dealbreaker by itself, but you need to know which one you are buying. Confirm the zoning, the permit history, the unit's status, and the egress independently before you rely on it, and I will help line up those checks.
Most often in the larger newer two-story stock west of I-15, Farmington Ranches, the Eagle Bay area off Clark Lane, and the west flats, where the bigger floor plans have the deepest basements and carry most of the basement apartments. On the sloped east bench around the Oakridge area a daylight or walkout lower level can make an attached suite live like its own floor. Older homes in the historic downtown core sometimes carry one too. A fully detached casita is the rarest form here, because it takes a lot with room for a second structure. The live listings above are the honest count on any given week.
Only where the unit is legal, and that is the whole point of the verification. A permitted, conforming accessory dwelling is a different thing from a non-conforming space that happens to have a kitchen, the rules around accessory dwellings and rentals can change, and what is allowed depends on the parcel's zoning, so this is a question to confirm with Farmington City for the specific property, not to assume from the listing. I will not put a rent figure on a page like this, because it depends entirely on the unit's legal status and the specifics, but I can connect you with a local agent who will get you straight answers on what the city allows.
Egress is a legal, code-sized way out of every below-grade sleeping room, usually an egress window with a window well sized for a person to climb out, or a door to the outside. It is both a safety requirement and a piece of what makes a basement bedroom or apartment count as legal living space. It matters most on the basement units that make up most of this search, and it is the first thing to confirm in person, because a room marketed as a bedroom downstairs is not really one without it. We check the actual window wells, not just the photos.
Tell me the budget, the part of town, and whether you need a fully permitted suite or are open to an existing space to verify, and I will connect you with a Farmington-area partner agent and flag matching listings as they go live. Pair that with a pre-approval so you can move when the right separate-suite home lists, since these are a narrow slice and they do not sit long.