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Mahoney Architects & Interiors

Mahoney Architects & Interiors

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About Us

The firm of Mahoney Architects & Interiors is an award-winning group of talented architects and interiors professionals designing buildings of significance as well as remodeling projects throughout the San Francisco Bay Area. The firm is renowned for sustainable design. We invite you to explore the projects shown here and on our website. You will see that our work is done with imagination, innovation, and attention to detail. We are committed to establishing long lasting relationships with our clients. Together make dreams come true with creativity and with cost conscious planning. Colleen Mahoney is a co-author of Great Kitchens At Home with America's Top Chefs. Colleen is noted for her expertise in kitchen design. Our firm has been published in numerous magazines including Remodeling, Better Homes & Gardens, Residential Architect, Sunset books, The Practical Homeowner, Northern California Home & Garden, Professional Builder, and Commercial Renovation amongst others. Home and Garden Television has featured Mahoney Architect's projects in their Before and After program. Mahoney Architect's distinguished work has been recognized with a history of awards which include the Bay Area Dream House sponsored by the SF Examiner and Channel 7 News, numerous National Association of Remodeling Industry (NARI) as well as Renaissance Awards, and local historic preservation awards.

Services Provided

3D Rendering, Accessory Dwelling Units (ADUs), Architectural Design, Architectural Drawings, Attic Conversion, Barn Design & Construction, Basement Remodeling, Bathroom Design, Building Design, Custom Home, Energy-Efficient Homes, Floor Plans, Green Building, Handicap-Accessible Design, Historic Building Conservation, Home Additions, Home Extensions, Home Gym Design & Construction, Home Remodeling, Home Restoration, House Plans, Kitchen Design, Kitchen Remodeling, Laundry Room Design, Mudroom Design, Multigenerational Homes, New Home Construction, Pool House Design & Construction, Staircase Design, Sustainable Design, Universal Design, Custom Homes, Construction Drawings

Areas Served

Bloomfield, Cotati, Glen Ellen, Novato, Penngrove, Petaluma, Rohnert Park, Valley Ford, Belvedere, Belvedere Tiburon, Bolinas, Corte Madera, Fairfax, Greenbrae, Larkspur, Mill Valley, Ross, San Anselmo, San Rafael, Sausalito, Stinson Beach, Tiburon, Kentfield, Marshall, Nicasio, Point Reyes Station, Sonoma, Santa Rosa, Sebastopol


Over 50 awards for remodeling projects in the Bay Area, Remodel the Future award - Build It Green, Grand Watermark Award - Builder & Custom Home Magazine, Bay Area Dream House - The Examiner. Best of Houzz 2012, 2013, 2014, 2015, 2016, 2017, 2019, 2020


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Business Details

Business Name

Mahoney Architects & Interiors

Phone Number

(707) 765-0225


6 C Street
Petaluma, CA 94952

Typical Job Cost

$100,000 - Unlimited

Each project is unique, we will advise our clients as we understand their goals and the scope of a project.

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