Garage Conversion ADU in Castro Valley, CA
Convert Your Garage into a Functional Living Space
Maximize your property’s potential by converting your garage into a fully livable ADU. Whether you’re looking for rental income, a guest house, a home office, or an in-law suite, our Garage Conversion ADU services ensure a code-compliant, stylish, and functional space that enhances your home’s value.
What is a Garage Conversion ADU?
A Garage Conversion ADU (Accessory Dwelling Unit) is a cost-effective way to add livable space without building a new structure. By converting an attached or detached garage, homeowners in Castro Valley and the Bay Area can create a self-contained living space with a kitchen, bathroom, and private entrance
- Increase property value & rental income potential
- Legal, permitted ADU conversions in Alameda County
- Sustainable & cost-effective way to expand your home
Benefits of a Garage Conversion ADU in Castro Valley
- Affordable Housing Option
- Fast Permitting Process
- Ideal for Rental Income
- Multi-Generational Living
- Increase Home Value
Our Garage Conversion ADU Services in Castro Valley
ADU Design & Planning
- Custom layouts to optimize space
- Open floor plans for comfort & functionality
- High-quality finishes to match your home’s aesthetic
Permit & Compliance Assistance
- Fast-tracked ADU approvals
- Navigating zoning & setback requirements in Alameda County
- Seismic retrofitting & foundation reinforcement (if needed)
Garage Conversion ADU Requirements in Castro Valley, CA
- Minimum & Maximum Size: 150 sq ft – 1,200 sq ft
- Setback Requirements: None if using existing structure
- Parking Requirements: No extra parking needed if within ½ mile of public transit
- Rental Use: Allowed as a long-term rental (30+ days, no short-term Airbnb rentals)
- Building Codes & Fire Safety: Must include egress windows, ventilation & fire-rated walls
Why Choose Us for Your Castro Valley Garage Conversion ADU?
20+ Years of ADU Design & Construction Experience
Full-Service: Design, Permits & Build Management
Specialists in Castro Valley & Alameda County ADU Laws
Faster Permit Approvals with Our Pre-Approved ADU Plans
Get a Custom Quote for Garage Conversion ADU
Maximize your property’s potential by converting your garage into a fully livable ADU
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Consultation
Garage Conversion/ADU
Castro Valley, California: Demolished an un-permitted shed and converted an existing detached garage to an accessory dwelling unit. The ADU has a bedroom, bath, laundry closet, and kitchen/living/dining room. Replaced the siding of the garage with Hardie board, mini-split and tankless water heater.
