
Maximize Your Property’s Potential with a Detailed ADU Feasibility Report
Are you considering adding an Accessory Dwelling Unit (ADU) to your property but unsure of how to get started? At 121 Design Build Inc., we specialize in providing a detailed ADU feasibility report that helps property owners navigate the complexities of ADU development. Whether you're looking to build a detached or attached ADU, or convert a garage into a livable space, our report will guide you every step of the way.
What’s Included in a Detailed ADU Feasibility Report?
A detailed ADU feasibility report covers all the essential aspects needed to evaluate whether an ADU is a viable project for your property. We assess everything from zoning regulations to site-specific factors that may influence your design. The goal is to provide you with a comprehensive understanding of your options and the steps required to move forward. Here’s what our report covers:
Site Map Drawings and Zoning Assessment
One of the first steps in our ADU feasibility report is reviewing the property’s zoning and land use restrictions. We create precise site map drawings to visually show how an ADU could fit into your existing layout, ensuring that all local zoning laws are met. Whether you're looking for a detached ADU or planning garage conversions, we’ll make sure your project aligns with city codes and property boundaries.
ADU Research and Potential Footprint
With our thorough ADU research, we’ll provide insights into what type of unit is best suited for your property. We look at the potential ADU footprint based on your available space and consider both aesthetic and practical factors that will influence the construction process. For example, we will explore whether a detached ADU or an internal ADU would be more appropriate for your needs.

Cost-Effective Construction Options
Our team also evaluates construction methods and materials to ensure your ADU is not only functional but also affordable. By leveraging cost-effective wood frame construction, we help keep your project within budget while maintaining high quality and durability. Whether you’re interested in attached ADUs, internal ADUs, or garage conversions, we ensure that each solution is tailored to your financial goals.
The Benefits of a Detailed ADU Feasibility Report
The detailed ADU feasibility report ensures that you don’t waste time or money on a project that won’t meet your goals. By assessing all aspects of the development, from zoning to potential design, we can provide you with the information you need to make informed decisions. Whether you want to add extra living space or turn your garage into a rental unit, our report will give you a clear pathway to move forward.
FAQs About ADU Feasibility and Construction
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A detailed ADU feasibility report includes site map drawings, zoning assessments, potential ADU footprint analysis, construction options, and costs associated with various ADU types like detached, attached, and internal ADUs.
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We analyze your property’s layout, available space, zoning regulations, and other factors to determine the best size and design for your ADU.
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A detached ADU is a separate building on your property, while an attached ADU is built within your main house or connected to it. Both options have their own advantages depending on your available space and needs.
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Yes, garage conversions are a popular option for creating an ADU. We can assess your garage’s size, structure, and zoning regulations to determine if a conversion is feasible.
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An internal ADU is created by converting unused space inside your existing home, such as a basement or attic, into a livable unit.
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We focus on materials and construction methods that balance cost and quality. Using cost-effective wood frame construction is one example of how we keep the project affordable without compromising on durability.
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Depending on your location, zoning changes may be required. Our detailed ADU feasibility report helps you understand what changes, if any, will be needed.
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The timeline for the feasibility report depends on the complexity of your property. On average, the process takes 1-2 weeks to complete, providing you with a comprehensive understanding of your project.