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Build A Detached ADU That Adds Real Value

Maximize space, rental potential, and resale value with a professionally designed and built detached Accessory Dwelling Unit (ADU). Hive ADU handles it all from start to finish.

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What’s Included in Our Detached ADU Services?

We don’t just design, we build. Hive ADU offers a complete, turnkey solution for detached accessory dwelling units, covering everything from site assessment and architectural plans to engineering, permitting, construction, and final inspections. Whether you’re selecting one of our streamlined, pre-approved ADU models or collaborating with our team on a fully custom build, we manage the entire process under one roof. Our approach ensures your ADU is code-compliant, professionally built, and delivered on time, with a focus on quality, livability, and long-term value.

I-660 ADU tab image showing exterior detached ADU design

Hive ADU assesses your lot, handles city requirements, and delivers a fully designed detached ADU plan; all with one expert team.

✅ ADU Plans That Get Approved

  • We handle zoning, engineering, and energy reports to meet city code.

Built Right, From the Ground Up

  • Experienced crews and proven systems ensure your ADU is built to last.

Built to Last with High-Quality Materials

  • We use trusted construction methods and premium materials for long-term durability.

Finished for How You’ll Use It

  • We’ll help you choose smart, durable finishes and fixtures that match your goals, whether you’re building for rental income or extended family.

Build With Hive ADU

From concept to completion, we bring your backyard vision to life hassle-free, expertly managed, and built to last.

Permit-Ready Design Plans

We handle everything from zoning review to Title 24 energy reports, delivering a complete architectural and engineering set for smooth permit submission and city approval.

Professional Construction

Our Hive ADU crews and licensed trades build your detached ADU with precision, structural integrity, and full compliance with California ADU codes, timelines, and inspection standards.

Interior Finishes & Move-In Prep

We help you select stylish, durable finishes and prepare your detached ADU for immediate occupancy, long-term use, or short-term rental, fully turnkey and move-in ready.

From Site Prep to Final Inspection

A Streamlined ADU Build Process Designed for Homeowners

Building a detached Accessory Dwelling Unit (ADU) requires careful coordination of planning, permitting, construction, and inspections. At Hive ADU, we handle every phase for you. From site evaluation and grading to utility trenching, foundation pours, structural framing, and detailed finish work, our team ensures each step is completed to code, on schedule, and with exceptional craftsmanship. You’ll get clear timelines, proactive communication, and a professional build experience backed by 30+ years of residential construction expertise across Ventura and Santa Barbara counties.

Why Detached ADUs Are a Smart Investment

Innovative design prevents setbacks. With Hive ADU, every plan is code-ready, budget-conscious, and built to succeed.

Maximum Privacy & Flexibility

Detached ADUs are fully separated from the main house, giving you complete control over the layout, entrance, and use. Perfect for tenants, guests, or extended family.

Fewer Permitting Constraints

With no structural limitations from existing walls or roofs, detached units allow for more creative design, larger footprints, and easier compliance with modern codes.

Fewer Build Surprises

Our ADU designs are tailored to local code and site conditions, reducing costly delays, permitting issues, and unexpected changes during construction. Hive ADU has you covered.

Explore Hive ADU Models

What's Next?

Start With A 10-minute Call

Ready To Explore Building With Hive ADU?
Let’s discuss your goals and see if the Hive ADU is a good fit. This friendly 10-minute call lets you ask questions and clarify the next steps. No pressure, just honest guidance and advice to understand the Hive ADU experience clearly. We’re here to help you make the most of your property with clarity and confidence. If it feels like a match, we’ll schedule a complete consultation when you’re ready..

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Just answers.

Frequently Asked Questions

Detached ADUs typically range from $250,000 to $450,000, depending on size, site conditions, and finishes. Hive ADU offers pre-designed models with transparent pricing and custom options to fit your budget.

Most detached ADUs take 6 to 12 months from design to final inspection. Pre-approved plans and our streamlined permit process help homeowners save time at every stage.

In most cases, homeowners can build a detached ADU up to 1,200 sq ft, subject to local setbacks, lot coverage, and zoning. Hive ADU helps determine what’s feasible based on your specific lot.

Absolutely. We specialize in Ventura and Santa Barbara counties and design specifically for local zoning codes, setbacks, height limits, and other ADU rules, reducing approval time and minimizing surprises.

No. In California, owner-occupancy requirements for newly permitted ADUs were suspended through at least 2025. This makes detached ADUs ideal for rentals, family use, or investment properties. Rules could vary by City. We check all the requirements ahead of time.