Business Details
Your Trusted Interior Design Partner in San Marcos, CA
Founded on a foundation of minimalist design and refined simplicity, Mullen Design Co has grown from a visionary concept into a trusted leader in interior design. Our expertise spans whole home renovations, new build projects, and remote design services, serving clients both locally in San Diego and nationwide. With a portfolio of over 700 completed projects, we combine functional aesthetics with elegant livability to create spaces that reflect our clients' unique lifestyles. Our team of skilled designers delivers personalized solutions through full-service design plans, hands-on project management, and exclusive access to premium materials and furnishings. We maintain industry recognition through features in prominent design publications and partnerships with leading home decor brands.Our commitment to transparency ensures clients receive detailed specifications, competitive pricing, and continuous support throughout every project phase. The Live Simply Home Subscription Box extends our design expertise to curated seasonal decor collections, while our educational workshops empower emerging designers with practical business strategies. Operating from our San Marcos studio since 2019, we maintain rigorous quality standards through comprehensive construction documentation and direct contractor coordination. Our approach prioritizes enduring design principles that balance aesthetic appeal with practical functionality, ensuring spaces that remain relevant across seasons and life stages.
Services
Full-Service Interior Design
Remote Design Consultation
Home Decor Subscription
Design Workshops
Furniture Sourcing
Construction Documentation
Space Planning
Material Selection
Project Management
Seasonal Decor Curation
Highlights and features
- We've completed over 700 residential design projects since 2019
- Our remote design services reach clients nationwide
- We provide detailed construction documentation for accurate project execution
- Featured in 15+ leading home design publications and retailers
- Live Simply Subscription Box delivers curated seasonal decor nationwide
What people say
Amazing Box
Great Fall Box
Incredible Workshop
Stylish Every Quarter
Game-Changer Workshop
Services
Full-Service Interior Design
Our comprehensive design service handles complete home transformations from concept to completion. Clients receive detailed design plans, 3D renderings, and in-person consultations throughout the project. We coordinate directly with contractors, manage material ordering, and provide exclusive discounts on all design elements. This service includes a dedicated design manager for ongoing project oversight.
Remote Design Consultation
Tailored design solutions for clients outside our local service area. This service includes digital mood boards, furniture sourcing guidance, and detailed specification documents. We provide hourly consultation sessions and remote project management support to help clients implement designs in their own locations using our expert recommendations.
Home Decor Subscription Box
Curated seasonal decor boxes featuring unique, high-quality home accents. Each delivery includes thoughtfully selected items like candles, vases, and textiles that reflect current design trends. The subscription service removes the guesswork from home styling with expertly coordinated pieces that create cohesive, magazine-worthy spaces.
Design Workshops
Four-week virtual programs for emerging designers covering business fundamentals and creative development. Participants receive personalized guidance on pricing strategies, client management, and brand building. The workshops combine practical business advice with creative inspiration to help designers establish and grow successful practices.
Furniture Sourcing
Expert furniture selection and procurement services for both residential and commercial spaces. We identify pieces that balance aesthetic appeal with functional requirements, providing clients with exclusive access to premium vendors. Our sourcing service includes space planning and coordination with local delivery partners for seamless implementation.
People
Morgan Mullen
Founder and Principal Designer
Established Mullen Design Co six years ago with a focus on minimalist, functional spaces. Leads a team of designers while managing the company's growth and creative direction. Combines personal experience as a mother of four with professional expertise to create livable, elegant interiors.
Questions
What interior design services do you offer?
We provide full-service interior design for local clients and remote design solutions nationwide, including space planning, material selection, and complete renovation management.
How does the home decor subscription box work?
Our seasonal boxes deliver curated decor collections directly to your door, featuring unique items like candles, vases, and textiles that reflect current design trends and styling expertise.
Can you help with design projects outside San Diego?
Yes, our remote design services cater to clients across the country through digital consultations, detailed specifications, and virtual project management support.
What makes your design workshops unique?
Our four-week virtual programs combine business strategy training with creative development, offering personalized guidance for designers at all career stages through live sessions and ongoing support.
Do you offer in-person studio visits?
Our San Marcos studio is open Monday-Friday 9AM-4PM for product viewing and local furniture pick-up, with remote consultation options available for out-of-area clients.
