Top jDU Construction in San Diego, CA

Expert JDU Construction Services in San Diego
Prime Built Home Services specializes in JDU (Junior Dwelling Unit) construction, helping homeowners add living space, generate rental income, and boost property value. We handle everything from custom design to final inspection for a seamless, stress-free build.
Whether you need a guest suite, home office, or rental unit, our team brings local expertise and quality craftsmanship to every project.
What is a JDU?
A Junior Dwelling Unit is a smaller secondary living space within an existing property, fully equipped with essential amenities. Popular in San Diego for multi-generational living, rental income, and flexible home use, we ensure every project meets local zoning and permit requirements.

Our JDU Construction Services
We provide complete JDU construction services tailored to your Unique needs.
Backyard Conversions
Maximize unused space with functional, code-compliant JDUs. It’s a smart way to add value to your property without a full new build.
Garage Conversions
Transform unused garage space into a stylish, livable JDU. We handle permits, design, and construction so the process is smooth from start to finish.
In-Law or Guest Suites
Create comfortable, private living areas for family or visitors. Having a dedicated space for loved ones makes a real difference in how your home functions day to day.
Above-Garage Units
Efficiently add living space without sacrificing your yard. These units make great use of existing structure and keep construction costs manageable.
Custom Designs
Every JDU is built to your specifications, style, and budget. We work closely with you to make sure the finished space feels intentional, not like an afterthought.
Modern Amenities & Upgrades
We install quality fixtures, efficient appliances, and smart features to create a functional, comfortable JDU. Every detail is chosen to make the space feel like a true home, not just an add-on.
Why Choose Prime Built Home Services?
Local San Diego Experts
We know local codes, zoning laws, and permitting processes.
Full-Service Project Management
From design to completion, we handle everything.
High-Quality Craftsmanship
Durable, beautiful, and functional JDUs built to last.
Transparent Communication
You’ll always know the status of your project.
Guaranteed Satisfaction
Our work is backed by warranties and quality guarantees.
Customized Solutions
Every JDU is tailored to your lifestyle, property, and budget.
Start Your JDU Project Today
Adding a JDU is a smart way to maximize your property, increase rental income, or create additional living space for families. Our experienced team will guide you through the entire process, making your vision a reality.
Contact us today to schedule your free consultation and estimate.
What to Expect from Our ADU Process
1
Consultation & Planning
Discuss your goals, design ideas, and budget.
2
Design & Permits
Our team handles design, compliance, and permitting requirements.
3
Regular Progress Updates
Stay informed with clear timelines and milestone check-ins.
4
Construction
Skilled builders bring your JDU to life using high-quality materials.
5
Final Walkthrough
We ensure every detail meets your expectations.
6
Post-Completion Support
Guidance, maintenance tips, and warranty support for peace of mind.
Common JDU Questions
u003cstrongu003eHow much does it cost to build a JDU in San Diego?u003c/strongu003e
The cost of an JDU depends on size, location, and design. On average, San Diego JDUs can range from $100,000 to $300,000. Contact us for a detailed, personalized estimate.
u003cstrongu003eHow long does JDU construction take?u003c/strongu003e
The timeline varies based on permitting and project complexity but generally ranges from 4 to 9 months from start to finish. Our team provides a detailed schedule during consultation.
u003cstrongu003eDo I need permits for a JDU in San Diego?u003c/strongu003e
Yes, permits are required. Our team will manage all permitting and inspections to ensure your project complies with local codes.
Hear From Our Happy Clients
Prime Built Home Services exceeded our expectations! Their attention to detail and commitment to quality made our kitchen remodel truly outstanding. Highly recommended!
James Smith
We are thrilled with the bathroom renovation completed by Prime Built. Their team was professional, and the final result is exactly what we envisioned.
Michael Johnson
The new construction project was seamless and stress-free. Prime Built delivered on time, and the quality is impeccable. I couldn’t be happier!
Emily Davis
Contact Prime Built Home Services
Let’s bring your ADU vision to life. Get in touch today for your free consultation.
