en English


At Andresen Architecture Inc. in Fontana, CA, we offer architecture and engineering services for projects up to $20 million throughout Southern California. Our portfolio includes residential, commercial, municipal and industrial new builds and remodeling.

Our belief is that a project we work on is not successful unless our client is 100% satisfied. We want whatever we create to be an inspiring, comfortable, functional, and beautiful place for you to live and work. To achieve this, our team meets regularly with you throughout the entire project, from start to finish.

Our services include, but are not limited to:

Custom Homes


Let our team build you a home that was created just for you and your family. We take the time to get to know you and to understand your needs, taste, and lifestyle. We will present you with multiple design options so that you can make an informed decision. Need a master bathroom? Four bedrooms? A porch? We can handle it all. Enjoy the satisfaction that comes with moving into a home as unique as you are.​

Commercial New Builds


We design and build new construction for commercial, industrial, and municipal projects. From city halls to office buildings, retail complexes and warehouses, we will create a solution that meets the unique needs of your company. The final product will be an enjoyable place for both employees and customers.


Whether you are adding another wing to your expanding business or need an extra bedroom for a new family member, we complete additions for both residential and commercial structures. The addition will blend in seamlessly with the rest of your home or business, and we will design the project in an efficient, budget-conscious manner.



We offer remodeling services for home and business owners. Whether you are looking to rework your office space to promote improved collaboration among employees, or you want to restructure your kitchen to improve functionality, we can help provide insight. We work with you to create and execute a design that meets your unique needs.

Utilizing State-of-the-Art Technology to Build a Superior Final Product

Our team uses Revit, the latest in 3D modeling software. This technology allows for rendering capabilities, interference detection, and schedule and detail coordination, improving efficiency and minimizing delays in construction. We believe that by combining innovative technology with extensive experience and superior talent, we can create a final product that exceeds our client’s expectations and that they can enjoy for many years to come.