Business Details
41 Years
experience
Your Trusted Interior Design Partner in Petaluma, CA
MWS Design is a full-service interior design firm with 28 years of experience serving clients in Petaluma, Sonoma County, and the broader Bay Area. Founded in 1985, we specialize in creating functional, sustainable, and aesthetically pleasing spaces for residential, commercial, winery, civic, and educational projects. Our approach prioritizes client collaboration, with services ranging from small consultations to full-scale new construction. Certified by the California Council for Interior Design, our principal designer Mary Steer brings over 25 years of expertise and a Bachelor of Science in Interior Design to every project.We emphasize green design practices and custom solutions, including millwork, lighting, and furniture design. Our long-term client relationships reflect our commitment to understanding individual needs and delivering tailored results. With experience in multimillion-dollar wineries, schools, and private residences, we combine technical proficiency with creative vision. Client testimonials highlight our ability to transform spaces while maintaining budget efficiency and stress-free project execution. We pride ourselves on staying at the forefront of design trends while ensuring timeless functionality.
Services
Interior Design
Space Planning
Sustainable Design
Custom Furniture
Color Consultation
Residential Staging
Millwork Design
Lighting Design
Architectural Design
Finish Selection
Details
- Year established: 1985
Highlights and features
- 28 years of experience in residential and commercial design
- Certified interior designers with formal education and industry credentials
- Specialize in sustainable and eco-friendly design practices
- Proven track record with multimillion-dollar winery and civic projects
- Client-focused approach with long-term partnerships and testimonials
Associations and certifications
- California Council for Interior Design Certification
What people say
Dream to work with
WOW factor kitchen
Love the spaces
Stress-free process
Beautiful results
Services
Interior Design
Full-service interior design for residential and commercial spaces, including concept development, material selection, and project management. Our team creates functional, aesthetically pleasing environments tailored to client needs. With expertise in both modern and traditional styles, we ensure spaces reflect individual preferences while optimizing usability.
Sustainable Design
Eco-conscious design solutions that minimize environmental impact without compromising aesthetics. We incorporate energy-efficient materials, sustainable sourcing, and waste-reduction strategies into every project. Our approach balances environmental responsibility with innovative design to create healthy, livable spaces for clients.
Custom Furniture
Tailored furniture and accessory design to meet unique spatial requirements. From concept to fabrication, we create one-of-a-kind pieces that enhance functionality and style. Our custom solutions address specific design challenges while maintaining cohesive aesthetics throughout the space.
Space Planning
Strategic organization of interior spaces to maximize efficiency and flow. We analyze spatial requirements and develop layouts that optimize functionality for residential and commercial environments. Our planning ensures optimal use of space while maintaining design harmony.
Color Consultation
Expert guidance on color schemes that enhance mood, lighting, and spatial perception. We help clients select cohesive palettes for walls, finishes, and furnishings. Our approach considers both aesthetic appeal and practical longevity in residential and commercial settings.
People
Mary Steer
Principal Designer
Certified interior designer with over 25 years of experience, Mary Steer founded MWS Design in 1985. She holds degrees from San Jose State University and Dominican University, combining formal education with hands-on expertise in residential and commercial projects.
Questions
What areas do you serve?
We primarily serve Petaluma, Sonoma County, and Marin County, with projects throughout the Bay Area.
What types of projects do you handle?
We specialize in residential, commercial, winery, civic, and educational interior design projects of all scales.
Are you certified designers?
Yes, our principal designer is certified by the California Council for Interior Design Certification.
How do you incorporate sustainability?
We use eco-friendly materials, energy-efficient solutions, and waste-reduction strategies in all our design projects.
Can you assist with small projects?
Yes, we handle projects ranging from single-room consultations to full-scale construction.
