Design Build Remodels, Additions, & Custom Homes

Creating your personal masterpiece
HartmanBaldwin is a fully integrated Architecture, Construction and Interior Design company specializing in design build remodels, historic restorations, home additions and custom homes. We proudly serve the greater San Gabriel Valley, Orange County and Los Angeles County. Our offices are based in the historic towns of Claremont and Pasadena, California.
Design Build Remodel

Design Ideas & Inspiration For You

Our clients are highly discerning individuals, that are seeking like-minded Architects and Interior Designers that are passionate about transforming homes and the spaces we live in. Take a look at some of the remodeled spaces and custom homes we have created together with our clients.

Invite Us In,
We Can Change The Way You Live

Every neighborhood is unique, with its own style and history. For this reason we are often chosen for projects that require a deep understanding of architecture styles, as well as historically significant residences throughout Southern California. Our Architects, Interior Designers and Custom Home Builders are ready to help you achieve the vision you have for your new home.


We proudly serve the San Gabriel Valley, Orange County and Greater Los Angeles Area.
Every city and neighborhood is unique in style and character. It is because of our experience that we are chosen to guide clients and projects through complex jurisdictional requirements, permitting and approval processes.

Custom Home Builders in Claremont, CA


HartmanBaldwin Pasadena Location



Architecture, Interior Design, & Construction

Award Wining Custom Design
 Our goal is to uphold and protect the architectural integrity of the communities we serve by executing the clients’ vision through a professional and collaborative process that delivers a quality project.


Our talented teams of Sr. Architects, Designers and Draftspeople work collaboratively with you as we explore different design options for your home.

Interior Design

Whether you prefer local luxe brands or highly custom, imported materials and furnishings our Interior Designers expertly work with you to assemble everything needed to complete your design.


As master builders, we understand that our most important tool during this phase is communication. Your Project Manager and construction team manage every detail while keeping you abreast of billings and schedule. All the while delivering an exceptional client experience.

The HartmanBaldwin Experience

Overall Experience

Construction Quality


Original Design

Communication is the cornerstone to a successful relationship. That is why we survey our clients throughout the project and ask them to rate their experience. Take a look at our most recent survey results.

Get Inspired,
Stay Connected

Our goal is to inspire you to think about your home and the possibilities for change. Register to receive exclusive invitations to any of our informative design/build lectures, home tours, receptions and mid-construction showcases.
Informational Webinars on Home Remodel Builds

Informational Webinars

Construction Showcase Events in Southern California

Construction Showcases

Renovated Home Tours in Southern California

Home Tours

Anthony T., San Marino
David M., Pasadena
Lynn D., Sierra Madre