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Smithfield, Utah

Homes with Casitas & Guest Houses in Smithfield, Utah

Smithfield homes for sale with a basement apartment or separate living space are rare. Matching listings today: 2.

Smithfield allows up to two ADUs per home (one attached, one detached) in its agricultural and R-1 zones, each up to 75% of the house or 1,500 sq ft, with the owner living on site. Don't plan on renting an ADU nightly.

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2 matching · page 1 of 1

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Utah MLS data · updated Oct 24, 2026

Smithfield homes with casitas & guest houses by the numbers

Today's listings plus closed sales recorded in the MLS, each home counted once. Medians, not averages, so one outlier can't skew them.

For sale now
2
listed $529,999–$599,900
Asking-price range
$529,999
to $599,900 today
Price per sq ft
$218
median of active listings · typical 2,809 sq ft
Days on market
— days
median, listing to contract

Homes with Casitas & Guest Houses nearby

Common questions

About homes with casitas & guest houses in Smithfield.

Are ADUs allowed in Smithfield? ▾

Yes, up to two per home in the A, RA and R-1 zones, with the owner living on site. The city has been updating the rules, so confirm the details.