Attached ADU Construction in Irvine, CA 

Irvine Elite ADU Builder specializes in attached ADU construction, providing seamless solutions that expand your home with comfort and style. Our experienced home addition builders and attached suite construction team create functional spaces that blend perfectly with your existing structure. From garage conversion specialists and house extension design experts to trusted attached guest house builders, we manage every stage—from attached ADU permits and plans to final inspection. Whether you’re exploring an accessory dwelling unit addition, second unit construction, or need fully managed turnkey attached ADU services, Irvine Elite ADU Builder ensures your project is built to the highest standards.


An attached ADU offers the perfect way to add living space, increase property value, or create a private area for family or guests—all without leaving your main home. Our team takes care of every detail, from architectural planning to efficient construction, ensuring the new addition looks and feels cohesive with your property. With a focus on precision, communication, and quality craftsmanship, we make the process straightforward, delivering a beautiful, code-compliant extension that enhances both functionality and lifestyle.

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Our Attached ADU Construction Services

We focus on creating attached ADUs that fit your needs and comply with local rules. We manage every step, from design to material choices, ensuring smooth project completion.

Custom Design Solutions

We create designs tailored to your property and lifestyle. Our team works with you to understand your space, needs, and style preferences. This helps us plan an ADU that feels like part of your home.


We consider things like natural light, room flow, and storage in our custom architectural design. Our designs make sure the attached ADU meets both your expectations and Irvine’s building codes. This way, you get a comfortable and legal living space.

End-to-End Project Delivery

We handle everything from start to finish so you don’t have to worry about delays or missed steps. Our experts coordinate scheduling, construction, and inspections. We keep you updated on progress and manage any challenges.


Our goal is to finish the ADU on time and within budget. We use local contractors who know Irvine’s standards well. This teamwork helps us avoid disruptions and deliver quality results.

Permitting and Zoning Assistance

Navigating Irvine’s permitting rules can be confusing. We guide you through the process by preparing all necessary documents and applications in our permit application assistance. We also check local zoning laws to make sure your project follows all rules.


Our team communicates directly with city officials when needed. This reduces hold-ups and rejections. We aim to simplify approvals so your ADU project can start without unnecessary delays.


Key Phases of Our Attached ADU Construction Process

Aside from the custom services and assistance we provide, we also guide you through every step to build a high-quality attached ADU in Irvine. Our process covers assessing your property, designing a plan that fits, and carefully managing construction to meet standards.

1

Initial Consultation and Assessment

We start by meeting with you to understand your needs and goals. We review your property’s size, zoning rules, and any restrictions from the city of Irvine.


During this phase, we also check utilities like water and electricity. This helps us plan for connections and avoid surprises later. We gather all the needed permits to keep the project on track.


Our team listens carefully to your questions and explains costs, timeline, and any challenges. This upfront clarity helps you make informed decisions before we begin.

2

Architectural Planning

Next, we work with experienced architects to design your attached ADU. The design fits your main home and meets Irvine’s building codes. We focus on size, layout, and style.


We create detailed blueprints showing floor plans, exterior views, and structural elements. These plans guide the construction and are submitted for city approval.


We also consider energy efficiency and durability. Our designs aim to maximize space while keeping the unit comfortable and safe for use.

3

Construction and Quality Control

Once plans are approved, construction begins. We manage the entire build from foundation to finishing work. Our skilled crew follows the blueprints closely.


We use high-quality materials and inspect each step to ensure durability and code compliance. Regular site visits help us catch and fix issues early.


Communication is key. We update you regularly with progress reports and address concerns immediately. Our goal is to deliver your attached ADU on time and to your exact specifications.

Why Choose Irvine Elite ADU Builder for Attached ADU Construction?

To perform our process and provide our services properly, we focus on delivering quality construction with precise craftsmanship. Our projects meet strict timelines and our experience in Irvine ensures smooth processes. These are the reasons that make us a reliable choice for building attached ADUs.

Local Proven Track Record

We have completed numerous attached ADU projects throughout Irvine. Our work complies with local building codes and city regulations. This experience helps us avoid common delays and costly mistakes.


Our clients in Irvine often return to us or recommend us due to our consistent results. We understand the specific challenges of construction in this area, such as lot size and zoning rules.

Attention to Detail and Craftmanship

We prioritize precision in every step of the construction. From foundation to finishing touches, our team uses quality materials and skilled labor. This leads to durable, visually appealing ADUs.


Each attached ADU is built to match the style and structure of the main house. We pay close attention to design consistency, making the addition look natural and well-integrated. Our careful work reduces future maintenance needs.

Commitment to Timely Completion

We set clear schedules and stick to them. Our project management includes tracking progress daily to avoid delays. We communicate regularly with clients about timelines and any changes.


By managing subcontractors and materials efficiently, we prevent bottlenecks. Our goal is to complete your attached ADU on time, so you can start using the space as planned.






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Attached ADU Construction FAQs

  • What are the zoning requirements for constructing an attached ADU in Irvine?

    Attached ADUs must follow Irvine’s residential zoning rules. These include setbacks, height limits, and maximum floor area ratios. We make sure your project fits all local codes.

  • How long does the permit approval process typically take for ADU construction in Irvine?

    The permit approval usually takes about 4 to 8 weeks. Timing depends on paperwork accuracy and city workload. We help speed up this process by preparing thorough applications.

  • Can you handle both the design and construction phases?

    We manage both phases from start to finish. Our team designs your ADU and then builds it. This helps keep the project smooth and on schedule.

  • Are there any specific design standards or limitations for ADUs in Irvine?

    Yes. ADUs need to match the main home’s style and materials. Irvine also sets limits on size, parking, and landscaping. We ensure every design meets these rules.

  • What are the average costs associated with building an attached ADU?

    Costs typically range from $150,000 to $300,000. Prices vary based on size, materials, and finishes. We provide clear estimates before starting any work.