Home Addition and Remodel Solutions
3JK Design is a residential design and drafting firm located in the city of Orange, serving all of Orange County. We are dedicated to providing our clients with the best possible set of construction documents to complete their addition or remodel project in a timely and cost efficient manner. At 3JK, clients will receive one on one attention through all phases of their project.

Our Services

Accessory Dwelling Unit (ADU)
Custom designed to fit your unique space.

New Construction
Ground up architectural site design.

Second Story Addition
Add a new level to your home.

Exterior Improvements

Permit Services

Interior Improvements
Projects Under Construction
Featuring a Villa Park ADU under construction in 2025.
ADU Construction Documents
Fully designed ADU construction documents, submitted to city and approved.

Construction photos
Construction documents were handed to the general contractor. 3JK Design will stop by to check in on construction.
Plans carefully crafted for your home transformation
Explore our comprehensive design and drafting services, each tailored to ensure client satisfaction.
Home Additions
Designed to expand your living space while maintaining seamless integration with your existing home.
Remodel Designs
Customized plans to enhance functionality and aesthetic appeal in your remodeled spaces.
Construction Documents
Detailed and efficient documentation ensuring smooth project execution and compliance.
Designing Home Additions and Remodels in Orange County
3JK Design specializes in crafting tailored solutions for additions and remodels, with a commitment to client-focused service and cost-effective results.


Transforming Homes with Thoughtful Design
Discover our tailored approach to creating designs for additions and remodels.
Custom Design
Ensure accuracy in every detail with our design services.
Creative Additions
Expand your living space with seamless, innovative designs.
Remodel Expertise
Revitalize your home with personalized remodel solutions.
Client Collaboration
Work closely with our team to bring your vision to life.