# ADU Structural Engineer San Jose: Complete 2025 Guide
San Jose's tech-driven economy and progressive ADU regulations have created exceptional demand for accessory dwelling units.
San Jose's ADU Advantage
- 60-day maximum processing time
- Reduced fees compared to standard construction
- No owner-occupancy requirement
- Parking requirements largely eliminated
Financial Benefits
- Two-bedroom ADUs: $2,500-$4,000+ monthly rent
- Property value increase: 20-35% in many cases
Engineering Requirements by ADU Type
**Junior ADUs (up to 500 sf)**: $500-$2,000 engineering fees **Attached ADUs (up to 1,200 sf)**: $2,500-$5,000 engineering fees **Detached ADUs**: $3,000-$6,000 engineering fees **Two-Story ADUs**: $4,500-$8,000 engineering fees
Contact Information
**City of San Jose Development Services**
- Phone: (408) 535-3555
- Website: sanjoseca.gov
**Call (949) 981-4448** - Free initial consultation for San Jose homeowners.