
PHASE 1
4-6 Months
Pre-Construction
Site Plans & Certification
General Contractor Bids
City Plan Review
Permit Approval
Site Preparation
PHASE 2
Delivery & Installation
One-Story Units
Two-Story Units
Unit Specifications & Pricing
Type | Size | Features | Price (incl. sales tax) |
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Two-Story Two-Bedroom (x2) | 1,862 sq. ft. | 4 Beds / 4 Baths, stairs, balcony | $280,000 |
Two-Bedroom | 37.4' x 25.56' (931 sq. ft.) | 2 Beds / 2 Baths, 10' ceilings | $140,000 |
Two-Story One-Bedroom (x2) | 931 sq. ft. | 2 Beds / 2 Baths, stairs, balcony | $150,000 |
One-Bedroom | 18' x 25.56' (465.5 sq. ft.) | 1 Bed / 1 Bath, 10' ceilings | $75,000 |
Structure
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Steel framing
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Insulation
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Siding
Structure
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Steel framing
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Insulation
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Siding

Quality
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Stone Counters
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Bamboo Walls
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Premium fixtures
Comfort
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Air Condition
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Water Heater
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Flooring
Premium Features, Standard in Every Unit
Locations
Northern, Central, and Southern California plus the entire US
ADU by Casden Development delivers state-certified solutions with established relationships at local permitting offices and comprehensive knowledge of building codes. Our pre-approved designs ensure streamlined processing and efficient deployment. Contact our development team to discuss your specific requirements.
Experience the Difference
ADU by Casden Development delivers state-certified solutions with established relationships at local permitting offices and comprehensive knowledge of building codes. Our pre-approved designs ensure streamlined processing and efficient deployment. Contact our development team to discuss your specific requirements.
Quality Assurance
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All US certified materials
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California certified inspectors inspecting every step from start to finish of the building process
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Regular third-party evaluations
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Ongoing compliance monitoring
Client Support
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Dedicated project management
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Technical documentation
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Warranty coverage
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Post-installation service