Adu estimate — Centennial, CO
Last updated: September 24, 2026
What affects the price
Building an ADU involves several moving parts that shape your total budget. The biggest factor is whether you choose a prefabricated unit or a custom build on-site. Site preparation is also significant; if your land requires extensive grading, utility trenching, or foundation work, costs will climb. Your choice of finishes—like kitchen cabinetry, flooring, and siding materials—also shifts the bottom line. We help you navigate these variables to find a setup that fits your property. Exact pricing confirmed free on the call.
About this service
An ADU estimate provides a preliminary look at what your secondary unit might cost based on the size and complexity of your plans. Variables such as foundation type, square footage, and interior material quality shift the total investment up or down. You need an estimate early in the process to help determine if your vision aligns with your available budget. Exact pricing confirmed free on the call.
Frequently asked in Centennial
What are modular accessory dwelling units in Centennial?
Modular accessory dwelling units in Centennial are homes built in sections off-site and then assembled on your property. This method often ensures faster construction and consistent quality control. They are designed to meet local building codes and can be a very efficient way to add living space.
What does accessory dwelling unit mean in Centennial?
In Centennial, an accessory dwelling unit (ADU) is a secondary, independent living space on a single-family residential lot. This can be attached to the main house or a separate structure. ADUs must comply with local zoning regulations regarding size, placement, and occupancy.
What are accessory dwelling unit homes in Centennial?
Accessory dwelling unit homes in Centennial are properties that include a primary residence and a separate, self-contained living unit. These units are ideal for rental income or housing extended family. They add significant value and flexibility to your property.
What is the accessory dwelling unit permit cost in Centennial?
The accessory dwelling unit permit cost in Centennial varies based on the project's scope and complexity. These fees cover the review and approval of your building plans. We can provide an estimate that includes potential permit costs. This helps you budget accurately for your ADU project.
What is the best accessory dwelling unit for Centennial properties?
The best accessory dwelling unit for Centennial properties depends on your specific needs and lot. Options range from small backyard cottages to larger additions. We help you assess your property and goals to recommend the most suitable ADU design. Our focus is on maximizing functionality and value.
What accessory dwelling unit financing is available in Centennial?
Accessory dwelling unit financing in Centennial can be secured through various means, including home equity loans and construction loans. We can help you understand the project costs. This information will be vital when discussing financing options with your lender.
What are accessory dwelling unit rental options in Centennial?
Accessory dwelling unit rental options in Centennial provide homeowners with an opportunity to generate income by leasing the secondary unit. These units must comply with all local regulations for rental properties. They offer a flexible and often lucrative way to utilize your property.
Also serving nearby: Aurora · Denver · Lakewood · Westminster · Arvada
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Centennial — population 106,883; about 3,544 residents per square mile across 30.2 sq mi.
Neighborhoods served in Centennial: Cherry Creek, Southglenn, Dover, Willow Creek, Greenwood Village, South Denver — and every surrounding area.
Areas we serve
Browse by state, then city.
California (4)
All of California · Rialto · San Buenaventura (Ventura) · San Mateo · Vacaville