Looking for the best ADU builders in San Diego? Learn how to choose a licensed ADU contractor, what to expect, and why One Stop Builders is trusted by homeowners.
If you're searching for ADU builders in San Diego, you're making one of the smartest home investments possible. Accessory Dwelling Units (ADUs) are transforming San Diego properties, offering rental income potential of $2,000-$4,000 per month while significantly increasing property values.
What to Look for in San Diego ADU Builders
Not all contractors are created equal when it comes to ADU construction. Here's what separates the best ADU builders from the rest:
1. Valid California Contractor License
Always verify your contractor's license on the California State License Board (CSLB) website. For ADU construction, you need a General Building Contractor (Class B) license. One Stop Builders holds License #1101128.
2. ADU-Specific Experience
ADU construction involves unique challenges including San Diego ADU regulations, utility connections, parking requirements, and maximum size limitations by zone.
3. In-House Design and Permitting
The best San Diego ADU builders handle architectural plans, engineering, and permit applications in-house. This streamlines the process and avoids delays.
San Diego ADU Regulations 2026
Key points for San Diego ADU construction:
- Maximum Size: 1,200 sq ft for detached ADUs
- Height: Up to 16-25 feet depending on zone
- Setbacks: 4 feet minimum from side and rear property lines
- Parking: No additional parking required in most cases
- Owner Occupancy: No owner-occupancy requirement
ADU Construction Timeline
A typical ADU project takes 8-14 months from initial consultation to move-in.
Why Choose One Stop Builders?
As licensed ADU builders in San Diego, we offer 15+ years of experience, all trades in-house, complete design-build services, and transparent pricing.
Ready to Start Your Project?
Contact One Stop Builders for a free consultation.
