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Helping San Diego Homeowners Add Private Living Space
If you want more living space, rental income, or a private unit away from the main home, an standalone ADU construction may be the right next step. IL Total Design & Build helps San Diego homeowners plan, design, permit, and build detached ADUs that feel like complete homes on the same property.
We help with detached ADUs for family, guests, aging parents, adult children, rental use, housing flexibility, a home office, and private living areas. Our team looks at your property, lot layout, access, privacy, utility access, setback rules, zone details, local zoning, maximum size options, your goals, your budget, and what can be built before construction starts.
As a full-service local ADU construction team in San Diego, CA, we handle the full process under one roof. That includes ADU design, floor plans, permit support, building permit preparation, paperwork, city submittals, construction, and project coordination from the first consultation to the final walkthrough.
Design, Permits, and Build Under One Roof
A good detached ADU should not feel like a small box placed in the backyard. It should feel comfortable, private, useful, and planned around your property. A detached ADU offers more privacy than an attached ADU because it is a separate structure from the main house.
IL Total Design & Build can help you understand if a detached ADU makes sense for your property. We can review your lot, yard space, access points, utilities, existing structure, roof, local code, zoning requirements, building code, fire safety, local regulations, and city requirements before the project moves forward.
Our goal is simple. We help you build a fully functional detached accessory dwelling unit with less confusion, fewer handoffs, and one San Diego design build team responsible for design and construction. If you are comparing local ADU teams in San Diego, choose a company with the expertise to explain the process, protect your budget, and build a detached ADU that feels right for your property.
Our Services
Our ADU Building Process
Free Consultation
We assess your property, review your lot layout, and explain what type of detached ADU may be possible. This is a simple first step if you are building a detached ADU and want clear guidance before moving forward.
Most consultations take 30 to 45 minutes. You leave with a clearer picture of what may be possible on your property, including zone, setback, height, utility access, and basic requirement considerations.
Book NowPlan & Design
Our in-house architect designs your detached ADU within local rules, with permit-ready drawings prepared for review, approval, and compliance. This includes ADU floor plans, layout planning, privacy planning, interior planning, architectural details, and the design phase.
Design and permitting under one roof means fewer handoffs, clearer planning, smoother approval, better compliance, and a smoother detached ADU process.
View ADU Design ServicesDetached ADU Construction
Once permits are approved and the scope is clear, our crew starts detached ADU construction with steady communication. We keep the build process organized so you know what is happening next and can avoid delay when possible.
You get a detailed scope of work, project updates, and a team focused on preparation, craftsmanship, labor coordination, and doing the work the right way.
View ProjectsCompletion and ROI
Your detached ADU is ready for family, guests, a tenant, rental income potential, or extra living space on your property. A completed detached ADU can also support long term property value.
A completed accessory dwelling unit can create flexible housing, rent potential, and long term value in the San Diego real estate market.
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See Our Recent Work
Our ADU construction projects include detached ADUs, garage conversion ADUs, custom ADU designs, and accessory dwelling units built for rental income, family use, and long term property value.
Areas We Serve
IL Total Design & Build helps homeowners across San Diego and nearby communities plan, permit, and build detached ADUs. Whether you are building extra housing for family, rental income, or long term property value, our team can help guide your project from design to construction.
Detached ADU Construction Tips
Read helpful articles about San Diego ADU permits, design, construction, detached ADUs, garage conversion options, state ADU law, local rules, coastal zone restrictions, affordable housing, and smart ways to plan your project in San Diego, CA.
Pacific Beach ADU Guide: Coastal Permits & Parking (2026)
What are you thinking of doing? Let's see if we can help.
Building an ADU on a Narrow North Park Lot (2026 Guide)
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Coastal ADU Builder in San Diego: Permits & 2026 Rules
Do You Have A Construction Project We Can Help With? Get a free quote What are you thinking of doing? Let's
Our Location
IL Total Design and Build is located in San Diego, CA, and helps homeowners across San Diego County with detached ADUs, ADU design, permit planning, garage conversion ADUs, JADU planning, and accessory dwelling unit construction. From design and permits to construction, our team helps you navigate the permitting process clearly and move forward efficiently.
- IL Total Design and Build
- 9655 Granite Ridge Dr #200, San Diego, CA 92123
- (619) 404-0125
Detached ADU Questions From San Diego Homeowners
Thinking about building a detached ADU? Here are simple answers about design, permits, construction, private entrances, and how IL Total Design & Build helps from start to completion.
We help San Diego homeowners plan, design, permit, and build detached ADUs. Our team handles the project from the first property review to final construction, so you do not have to manage separate designers, permit help, and builders.
A detached ADU is a secondary housing unit built separate from the main home. It can include its own entrance, living area, bathroom, kitchen or kitchenette, and private space, depending on the plan and what your property allows.
Yes. We review your property, lot layout, access, utilities, setback rules, existing structures, zoning laws, local regulations, feasibility, and goals. This helps us explain what may be possible before you spend time and money moving deeper into the detached ADU construction process.
Yes. Permit support is part of our process. We help prepare plans, coordinate permit steps, review regulation details, and guide your detached ADU project through the required reviews before construction begins.
Yes. A detached ADU usually has its own entrance because it is separate from the main home. We can review your property and help plan access that works well for privacy, comfort, and daily use.
Our detached ADUs are custom planned for your property. We do not use one basic layout for every project. The goal is to design and build a detached ADU that fits your lot, your main home’s style, and the way the space will be used.
The timeline depends on the property, design, permit review, utility work, site work, electrical planning, and construction scope. During your consultation, we can explain the main steps and give you a more realistic timeline based on your specific detached ADU project.
Detached ADU cost depends on size limitations, square footage, design, site conditions, utilities, finishes, access, landscape changes, whether the ADU needs to be plumbed, and how the new space is built on your property. We start with a property review so you can understand the likely budget before moving forward.
You work with one local team for design, permits, and construction. That means fewer handoffs, clearer communication, and one group responsible for helping your detached ADU move from the first idea to completion. This gives each homeowner a more seamless experience and can help add value to your property, equity, and long term housing flexibility.