Looking for affordable accessory dwelling unit in Salt Lake City, UT? Call AccessoryDwellingUnit Direct for a contact a provider — no obligation. Licensed adu builders serve Salt Lake City and the surrounding area, and you'll get straight answers on timing and what affects the price.

Last updated: September 24, 2026

What affects the price

Building an ADU involves variables that shift your total investment. The footprint size and complexity of the architectural design are primary factors. Are you planning a detached unit that requires new utility trenching, or is this a garage conversion that uses existing plumbing? Site accessibility, soil conditions, and your choice of finishes—like luxury flooring versus standard options—also play significant roles. Permitting fees vary widely depending on your local municipality and current zoning requirements. Exact pricing confirmed free on the call.

About this service

Affordability in ADUs usually comes down to smart design choices and efficient use of existing square footage. Opting for standard finishes or building above a garage can help manage your budget more effectively than a custom luxury build. We focus on transparent planning to help you reach your goals. Exact pricing confirmed free on the call.

Frequently asked in Salt Lake City

What are the disadvantages of ADUs in Salt Lake City?

Potential downsides include the initial construction costs and the time required for planning and building. You'll also need to consider ongoing maintenance. However, the benefits of increased living space and potential rental income are significant advantages for homeowners in Salt Lake City.

How much does an ADU cost in Utah?

What are the rules for ADUs in Utah?

While Utah encourages ADUs, local Salt Lake City ordinances will outline specific requirements. These often include regulations on setbacks, size, and integration with existing neighborhoods. Consulting local professionals is key to ensuring your project meets all codes.

Is an ADU allowed in Salt Lake City?

Yes, ADUs are generally permitted in Salt Lake City, subject to the city's zoning and building regulations. These rules help ensure that new units are safe and complement existing neighborhoods. We can help you understand what your property allows.

What affects ADU costs in Salt Lake City?

The size and complexity of the ADU design are primary cost factors, alongside the selection of construction materials and interior finishes. Site preparation, including any necessary utility upgrades, can also influence the overall expense. Your detailed quote will break down these costs.

Can I add an ADU to my Salt Lake City property?

Also serving nearby: West Valley City · West Jordan · Sandy · Lehi · Orem

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More on this: HUD ADU resources — ADU policy and financing research.

Service area details

209,593residents

1,890per sq mile

8ZIP codes served

Serving all of Salt Lake City — population 209,593; about 1,890 residents per square mile across 110.9 sq mi. ZIP codes covered include 84101, 84102, 84103, 84104, 84105, 84106, 84107, 84108.

Neighborhoods served in Salt Lake City: The Avenues, Sugar House, Federal Heights, Downtown Salt Lake City — and every surrounding area.