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Helping San Diego Homeowners Add More Living Space
If your home feels too small but you do not want to move, a home addition may be the right next step. IL Total Design & Build helps San Diego homeowners plan, design, permit, and build additions that feel connected to the existing home.
We help with room additions, bedroom additions, second story additions, master suite additions, garage additions, ADUs, and larger home remodeling projects. Our team looks at your property, your house layout, your goals, your budget, and what can be built before construction starts.
As local home addition contractors in San Diego, we handle the process under one roof. That includes planning, design, permit help, construction, and project coordination from start to finish.
We Handle Design, Permits, and Construction
A good home addition should not feel like it was added later. It should match the home, improve the layout, and make daily life easier. That takes good planning, clear drawings, permit knowledge, and a construction team that understands how to connect new space to an existing structure.
IL Total Design & Build is San Diego’s leading expert in home additions, we can help you understand what type of addition makes sense for your home. We can review your lot, existing space, rooflines, utilities, building codes, and city requirements before the project moves forward.
Our goal is simple. We help you add space with less confusion, fewer handoffs, and one San Diego design build team responsible for design and construction. When comparing addition contractors or companies in San Diego, choose a contractor who can explain the process, protect your budget, and deliver a home addition that feels right.
Home Addition Services in San Diego
Our ADU Building Process
Free Consultation
We review your property, listen to your goals, and explain what type of home addition may be possible. This is the first step if you want to add space but need clear guidance before starting.
Most consultations take 30 to 45 minutes. You leave with a clearer picture of what may work for your home, property, schedule, and budget.
Book NowPlan & Design
Our in-house design team creates a layout that fits your home, your needs, and local building rules. This may include floor plans, layout planning, structural planning, and permit ready drawings.
Design and planning under one roof means fewer handoffs, excellent communication, and a smoother home addition process.
Learn MorePermits & Construction
Once the plans are ready and permits are approved, our crew starts construction with steady communication. We keep the build process organized so you know what is happening next on the job site.
You get a clear scope of work, project updates, and a team focused on doing the work the right way, with attention to detail and strong craftsmanship.
View ProjectsFinal Walkthrough
Your new space is completed, reviewed, and ready to use. A well planned home addition can give your family more comfort, more function, and more long term property value.
A completed addition can make your home feel larger, more useful, and better suited to the way you live.
Get Started
See Our Home Addition Portfolio
Our portfolio includes home additions in San Diego, second story additions, room additions, garage additions, ADUs, and major remodel work across San Diego County. See how we help homeowners turn existing homes into spaces that work better for daily life.
Areas We Serve
IL Total Design & Build helps homeowners across San Diego and nearby communities plan, permit, and build home additions. Whether you need more living space for family, guests, a home office, work, or long term property value, our team can help guide your project from design to construction.
Home Addition Tips
Read helpful articles about permits, design, construction, ADUs, home additions, renovation planning, and major home remodel projects in San Diego.
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Do You Have A Construction Project We Can Help With? Get a free quote What are you thinking of doing? Let's
AB 1033 in San Diego: How the New ADU Condo Law Works in the City and Unincorporated County (2026 Guide)
AB 1033 in San Diego: How the New ADU Condo Law Works in the City and Unincorporated County Short answer: As of 2026, AB 1033 is live in both the City of San Diego (effective
Our Location
IL Total Design and Build is located in San Diego, CA, and helps homeowners across San Diego County with home additions, room additions, second story additions, bedroom additions, ADUs, garage conversions, and full home remodel projects. From design and permits to construction, our team helps you plan your project clearly and move forward with confidence.
- IL Total Design and Build
- 9655 Granite Ridge Dr #200, San Diego, CA 92123
- (619) 404-0125
Home Addition Questions From San Diego Homeowners
Thinking about adding more space to your home? Here are simple answers about design, permits, construction, second story additions, room additions, and how IL Total Design & Build helps from start to finish.
We help San Diego homeowners plan, design, permit, and build home additions. Our team handles the process from the first property review to final construction, so you do not have to manage a separate designer, architect, permit help, and builder.
We help with room addition projects, bedroom additions, second story additions, master suite additions, family room additions, garage additions, sunroom planning, home extension work, and larger design build projects.
Yes. We review your property, existing structure, layout, access, and specific needs. This helps us tailor the plan and explain what may be possible before you spend time and money moving deeper into the project.
Yes. Permit support is part of our process. We help prepare plans, coordinate permit steps, review basic specification details, and guide your project through the required reviews before construction begins.
In some cases, yes. It depends on your home, structure, lot, city rules, budget, and project goals. We can review the property and help you understand if adding a second story makes sense.
The timeline depends on the size of the addition, design, permits, materials used, structural work, and construction scope. During your in-home consultation, we can explain the main steps and give you a more realistic schedule.
Cost depends on the size, design, structure, utilities, finishes, and permit requirements. We start with a property review and estimate so you can understand the likely budget before moving forward. A more accurate estimate comes after we understand the home, plans, and project details.
You work with one local team for design, permits, and construction. That means fewer handoffs, better customer service, and one group responsible for helping your home addition move from idea to final walkthrough. We care about client satisfaction, meticulous planning, and a seamless finish.