Turn your backyard into a custom ADU designed for comfort, income, and long-term value.s
Create more living space, generate rental income, and increase your property value with a beautifully designed and expertly built Accessory Dwelling Unit. Casden ADU makes the process fast, simple, and stress-free.
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Advanced Innovation, Proven Results
Market Reality
- California building only 50% of needed housing
- Traditional 500 sq.ft ADU costs reach $300K
- Essential workers priced out of their communities
- Critical shortage of affordable housing solutions
PHASE 1
4-6 Months
Pre-Construction
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Site Plans & Certification 2-6 weeks
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General Contractor Bids 1-3 weeks
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City Plan Review 4-6 weeks
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Permit Approval 2-3 months
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Site Preparation 1-4 weeks
PHASE 2
Delivery & Installation
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One-Story Units 1 hour installation
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Two-Story Units 2 hour installation
Floor Plan Unit Specifications
Portfolio Projects














Premium Features, Standard in Every Unit
Structure
- Steel framing
- Insulation
- Siding
Quality
- Stone Counters
- Bamboo Walls
- Premium fixtures
Comfort
- Air Condition
- Water Heater
- Flooring
Transparent Communication
We keep you informed at every stage, ensuring no surprises along the way.
Expertise You Can Trust
With years of experience, we deliver exceptional quality on every project, big or small.
Sustainability Commitment
We use eco-friendly practices and materials to build responsibly for the future.
Professional Stamped Architectural & Engineering Plans
Lead your market with custom ADU solutions backed by professionally stamped architectural and engineering plans. Our intelligent engineering and premium materials create sophisticated living spaces that maximize property value and rental potential.
While our California factory-built housing certifications and city pre-approvals are in progress, with finalization expected by year-end, if not by Fall, you can reserve your unit now based on our stamped plans and secure your spot in line.
With transparent pricing and detailed design documentation, we deliver a seamless experience from consultation to completion.
Custom Design Process
Professionally stamped plans ready for city permitting
Quick Approval
Title 24 California licensed Architect and Engineer stamped plans.
Effortless Process
Comprehensive support from planning to completion
Locations
Northern, Central, and Southern California
Experience the Difference
Quality Assurance
- All US certified materials
- California certified inspectors inspecting every step from start to finish of the building process
- Regular third-party evaluations
- Ongoing compliance monitoring
Client Support
- Dedicated project management
- Technical documentation
- Warranty coverage
- Post-installation service
Recognized by the Industry’s Best