About HartmanBaldwin

We are a full-service architecture, construction and interior design company specializing in large-scale remodels and expansions, exclusively for residential projects in the greater Los Angeles area and along the Southern California coast. We provide our clients with a complete package of services from initial design through completion of the project. Our work includes whole home remodels, historic restorations, luxury custom homes, and estates that are sustainable and energy efficient, as well, as stunningly beautiful.

Our Culture

Guided by his love for art and people, Bill Baldwin has developed one of the leading design/build firms in the nation. In 2018, HartmanBaldwin was listed as one of the Top 3 firms in California and 15th out of 550 remodeling companies in the United States by Remodeling Magazine’s Big 550.
With over 35 years of working in the Architecture & Construction industry, he has built an impressive list of notable clients and significant projects. As well as developed a loyal team that consists of talented and award-winning LEED accredited Architects, Certified Interior Designers, Project Managers, Craftsmen and Artisans.
Above all, what drives him are the long-lasting friendships that began through the very work he dedicates his life to. Leaving a positive mark on all those who work with him while nurturing a creative, open and inclusive culture in the workplace as a mantra and mission.

Bill Baldwin

Bill Baldwin, CEO

Our Team

We are a creative, open, and inclusive company. We want our employees to leave a positive mark on their coworkers, clients, and the world while nurturing an environment of creativity and collaboration.

Antoine de Saint-Exupery

“If you want to build a ship, don’t drum up people to collect wood and don’t assign them tasks and work, but rather teach them to long for the endless immensity of the sea.”

Best Remodeling and Custom Home Building Services Near You

From conception to completion, your project is in the capable hands of our on-staff architects, interior designers, construction personnel, and supporting team members. This allows for seamless transitions, early and accurate cost information, and reliable communication.

Our Process

Your HartmanBaldwin design/build project will go through distinct phases that provide an optimized environment for clear and effective planning, communication, design, and execution. With each step, our team members will apply their unique skills to bring your dream to fruition.

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Ready to get in touch about your project? Give us a call to schedule a complimentary design consultation.

HartmanBaldwin Reviews

A Client Experience Worth Sharing

The relationships we create with our clients are the most rewarding part of our work. To better gauge their thoughts and needs, we regularly ask for specific feedback. Have a look at what they have to say about our work:

“The weekly meetings were highly valued. When there was an issue, which construction almost requires, your response time and action made us feel comfortable and assured that we were going to receive quality.”

Andrew S., La Verne

Blue Stars
Glass-top coffee table with pots, cutting board, glasses, and pitcher. Chair and sofa in background.
Mid Century Modern House Outdoor Area

“Our confidence with HB began with the initial phone call and has not wavered throughout the process. HB has performed as a high functioning team throughout the process and has listed to our ideas–even when we weren’t clear. … Our project is close to completion and we couldn’t be happier. … We are SO happy with choosing HB!”

Anthony T., San Marino

Blue Stars

“Not only did we get high quality design, workmanship and materials, we feel that choosing HartmanBaldwin over lesser bids ultimately saved us money overall due to the Design/Build model. Their many detailed and specific conversations with us early on saved us untold amounts of misunderstandings and rework.”

Lynn D., Sierra Madre

Blue Stars
Kitchen remodel with wood cabinets, green back splash, and granite countertops.
Mid-Century Modern Outdoor Home Renovation by HartmanBaldwin

Ready to Schedule a Consultation?

Get in touch with HartmanBaldwin

Every new project begins with a complementary consultation at your home with one of our design/build consultants. Interested in setting up an appointment? Tell us a little bit about you and your project and we will get in touch shortly to schedule a meeting.