A detached ADU (Accessory Dwelling Unit) is a separate structure built on your property—often in the backyard. It functions as an independent home with its own entrance, kitchen, bathroom, and utilities. Ideal for rental income, guest accommodations, or multi-generational living.
We design floor plans tailored to your lot, lifestyle, and goals. Whether you’re in Sunnyvale, Santa Clara, or Los Angeles, we optimize every square foot for comfort and code compliance.
Turn your existing garage into a beautiful, livable unit with full amenities—perfect for maximizing space without expanding your footprint.
We specialize in sleek, functional layouts that blend beautifully with your main home and California’s architectural character.
We ensure your detached ADU project meets all California and local city regulations by managing the entire permitting process—from zoning analysis and site planning to submitting construction documents and securing approvals.
We connect you with trusted ADU builders in your city and offer oversight to ensure construction aligns with the approved design, timeline, and budget.
From space-efficient layouts to selecting finishes, lighting, and fixtures—our team ensures your detached ADU is not only functional but also beautifully styled.
All designs are tailored to your lot, goals, and budget, ensuring full code compliance and long-term value.
Ataman Studio provides design and planning services for backyard homes and detached ADUs throughout California. We understand the zoning laws, building codes, and permitting processes specific to each region—and tailor every project to meet your city’s unique requirements.
We work with homeowners in:
We also serve nearby communities including Los Altos Hills, Mountain View, Palo Alto, Pasadena, and others across the Bay Area and Southern California.
The cost of building a detached ADU in California can vary depending on size, location, design complexity, and construction type. On average, detached ADU cost ranges from $150,000 to $300,000 or more. This includes everything from design and permitting to site prep and construction.
Key factors that influence cost:
We provide clear cost estimates upfront and help you explore financing options like home equity loans, CalHFA ADU grants, or construction lending partners.
We begin with a detailed consultation to understand your vision, goals, and budget. Our team evaluates your lot to confirm it’s suitable for a detached ADU and identifies key opportunities and constraints.
We conduct zoning analysis, setback checks, and review all applicable city and California ADU regulations to ensure your project is fully compliant and eligible for permitting.
Based on your site and needs, we develop a detailed detached ADU design focused on comfort, privacy, and compliance.
We prepare and submit all necessary documents, working directly with local officials to secure approvals.
We connect you with experienced contractors and offer design oversight to ensure the build stays true to plan.
Once construction wraps up, we guide you through final inspections and turn over a finished, move-in ready detached ADU.
