Remodeled Spanish-style kitchen with wood cabinetry, Sub Zero Wolf stove, arched plaster hood, black soapstone countertops, colorful patterned tile backsplash, and sink in front of a bay window Cozy primary bedroom with dark mauve venetian plaster walls, a door leading to a balcony, and bedroom furniture in warm wood, creams, and blush tones. Bathroom sink with turquoise wall tiles, antique brass faucet, oxidized travertine sink, and floral arrangement Remodeled Mid-Century Modern home open living space with entryway and floating wood stairs, round glass dining table, living room with built-in entertainment cabinet New custom LA modern farmhouse-style home and backyard with pool, spa, string lights, and outdoor furniture Backyard remodel with lap pool, organic rock water feature, terraced gardens, retractable shade structure, and hot and cold plunge hydrotherapy pools

Remodeled Spanish-style kitchen with wood cabinetry, Sub Zero Wolf stove, arched plaster hood, black soapstone countertops, colorful patterned tile backsplash, and sink in front of a bay window Bathroom sink with turquoise wall tiles, antique brass faucet, oxidized travertine sink, and floral arrangement Remodeled Mid-Century Modern home open living space with entryway and floating wood stairs, round glass dining table, living room with built-in entertainment cabinet New custom LA modern farmhouse-style home and backyard with pool, spa, string lights, and outdoor furniture Cozy primary bedroom with dark mauve venetian plaster walls, a door leading to a balcony, and bedroom furniture in warm wood, creams, and blush tones. Backyard remodel with lap pool, organic rock water feature, terraced gardens, retractable shade structure, and hot and cold plunge hydrotherapy pools

Interior Design & Build Company, Custom Home Builder in Los Angeles

Award-Winning Pasadena Architects & Luxury Home Remodeling

HartmanBaldwin is a fully integrated Architecture, Construction, Interior Design and Build company specializing in design-build remodels, historic restorations, large-scale home remodels and additions, as well as highly custom homes and estates in the greater San Gabriel Valley, Orange County, and Los Angeles County.

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Our Proudest Achievement & Biggest Regret of 2025 Business of Home When asked about our biggest 2025 achievement, Bill Baldwin reflected on what may be the most meaningful work our design/build firm has undertaken. Read More Clean & Contemporary Scandinavian-Inspired Kitchen Watch Our Most Recent Project Spotlight This home's kitchen and living room redesign is rooted in simplicity and functionality, pulling inspiration from Scandinavian-style interior design. The home’s existing layout divided its central spaces into a small kitchen, dining room, and living room. Removing the dividing walls allowed for a new, larger kitchen and a more welcoming and luxurious central living space.
 Explore This Project Building in a High Fire Zone Webinar Featuring The Lamonette Residence Join us for an in-depth look at this custom home built in a high-fire zone. Hear the story behind this complex design/build project and learn about high-fire zone requirements and recommendations directly from the team. Sign Up For Upcoming Webinar
HartmanBaldwin Via Zurita Residence Circular Window and Dining Room

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Every new project begins with a complimentary 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.


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    Architecture, Construction, & Interiors

    Full-Service Design Build Approach, Project Management, Cost Estimation

    From concept 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 an efficient and creative design process, early and accurate cost information, as well as a construction experience you will enjoy.

    Our Process

    Our Versatile Style, Custom Tailored To You

    Coastal, Traditional to Modern Architectural Styles, Green Building Experts

    Our clients are highly discerning individuals, that are seeking like-minded architects, interior designers, and general contractors that are passionate about transforming homes into remarkable living spaces. Take a look at some of the remodeled spaces and custom homes we have created together with our clients.

    Portfolio

    Entryway of a custom Spanish/Mediterranean home with a garden. Stylish kitchen with fine wood cabinets and island and a living room, remodeled with a design/build firm. English Tudor home with lush garden and greenhouse Remodeled living room with a sleek fireplace, lava rock wall, Mid-Century Modern furniture, and a wall of windows with views of the San Gabriel mountain range Remodeled Spanish-style dining room with dark-stained dining table, wrought iron chandelier, potted tree, and doorway to kitchen beyond seen through arched opening with barley-twist wood pillars Craftsman home kitchen with fine wood cabinets, marble countertops, and trees out the windows.

    A Client Referral is the Greatest Compliment

    Client Testimonials, Best Architects, Top Builder Reviews in Pasadena and Greater Los Angeles

    Choosing the right team can be difficult without a personal recommendation. Look at what our clients say about their experience and why they are happy to recommend HartmanBaldwin for your next major remodel or new custom home.

    Five Star Review

    “Our confidence with HartmanBaldwin began with the initial phone call and has not wavered throughout the process. They have performed as a high-functioning team throughout each step and have listened 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 HartmanBaldwin!”
    Anthony T., San Marino

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    Our Blog

    California Spanish-style front porch and courtyard with cream stucco walls, red tile roof, and green-painted trim

    HartmanBaldwin in the News: Biggest Regret of 2025

    English Style Tutor Home with Greenhouse by HartmanBaldwin

    Your Complete Guide to Building an ADU in Los Angeles and Orange County: Everything You Need to Know

    HartmanBaldwin logo on sign at Pasadena office

    HartmanBaldwin Named #150 in Nation for Luxury Home Remodeling Excellence