Accessory dwelling unit cost — Henderson, NV
Last updated: September 24, 2026
What affects the price
Building an ADU is a major project, and the final bill depends on a few key things. Site prep is a big factor; if your land is sloped or needs extensive utility connections, costs go up. The materials you choose—from siding to kitchen finishes—also change the math significantly. Whether you’re building a detached unit or converting an existing garage shifts the permit requirements and structural work needed. We provide exact pricing confirmed free on the call.
About this service
The investment required for an ADU depends on your site conditions, the complexity of the design, and the materials selected for the interior. Larger units with custom features naturally shift the price higher compared to standard, compact models. Exact pricing confirmed free on the call.
Frequently asked in Henderson
What are the advantages of detached accessory dwelling units?
Detached accessory dwelling units offer excellent privacy and independence in Henderson. They can function as a completely separate home on your property, ideal for renters or extended family. These units can also increase your property's overall value and rental potential.
How much does it cost to build an ADU in Henderson?
What is the process for ADU construction in Henderson?
What are the requirements for an ADU permit in Henderson?
Are there grants available for accessory dwelling units?
Who are the best ADU builders near me in Henderson?
Also serving nearby: North Las Vegas · Las Vegas · St George · Victorville · Hesperia
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Henderson — population 337,305; about 2,798 residents per square mile across 120.5 sq mi. ZIP codes covered include 89002, 89009, 89011, 89012, 89014, 89015, 89016, 89044.
Neighborhoods served in Henderson: Green Valley, Seven Hills, Anthem, Water Street District, Lake Las Vegas — and every surrounding area.
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