Detached accessory dwelling unit — Aurora, CO
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
A detached ADU is a standalone building separate from your main home, like a backyard cottage. These provide the most privacy for you or your tenants since there are no shared walls. You need this if you have a large enough yard to accommodate a separate structure.
Frequently asked in Aurora
How can I get financing for an accessory dwelling unit in Aurora?
What's the permit cost for an accessory dwelling unit in Aurora?
What services do you provide for ADU construction in Aurora?
Can I build an accessory dwelling unit in a backyard in Aurora?
Yes, building an accessory dwelling unit in a backyard in Aurora is a common and permitted use. Aurora's zoning regulations generally allow for backyard ADUs, provided they meet size and setback requirements. This adds valuable living space without impacting your main home's footprint significantly. We can help you explore the feasibility for your specific property.
How much does it cost to build an accessory dwelling unit in Aurora?
What are accessory dwelling units (ADUs) in Aurora?
Accessory dwelling units (ADUs) in Aurora are secondary housing units on a single-family residential lot. They are independent living spaces with their own kitchen, bathroom, and sleeping areas. ADUs can be attached to the main home or detached, like a backyard cottage. They offer flexible housing solutions for homeowners in Aurora.
How can I get an ADU estimate in Aurora?
Also serving nearby: Denver · Centennial · Thornton · Lakewood · Westminster
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Aurora — population 395,052; about 2,423 residents per square mile across 163.0 sq mi. ZIP codes covered include 80010, 80011, 80012, 80013, 80014, 80015, 80016, 80017.
Neighborhoods served in Aurora: Highlands Ranch, Green Valley Ranch, Southlands, Seven Hills, Village East — and every surrounding area.
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