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Your Trusted Interior Design Partner in Concord, MA
Mast Design has dedicated itself to crafting personalized interior spaces that reflect the unique needs and lifestyles of our clients. With a focus on both functionality and aesthetics, we approach each project holistically, ensuring every detail contributes to a cohesive and beautiful environment. Our team combines technical expertise with creative vision to transform homes into spaces that inspire comfort and joy. Serving the greater Boston area, we specialize in space planning, interior architecture, and project management, working closely with trusted local contractors to deliver exceptional results. From kitchen and bath renovations to real estate staging and event decoration, our commitment to quality and client satisfaction remains unwavering.

We believe that thoughtful design can profoundly impact a home and its inhabitants, creating enduring value and beauty. Our process begins with understanding how our clients live and evolves into tailored solutions that enhance their daily experiences. With years of experience in both design and architectural planning, we bring professionalism and passion to every project. Our dedication to excellence is evident in the testimonials of those we've served, who praise our ability to turn visions into reality. Whether renovating a single room or managing a full-scale project, Mast Design remains your trusted partner in creating spaces that stand the test of time.
Services
Space Planning Interior Architecture Kitchen & Bath Design Project Management Real Estate Staging Event Decoration Interior Design & Decoration
Highlights and features
  • We offer over 20 years of experience in residential interior design and architectural planning.
  • Our team combines technical expertise with creative vision for tailored solutions.
  • We maintain trusted relationships with local contractors and professionals.
  • We provide personalized service focused on individual client needs and lifestyles.
  • Our process ensures functional, beautiful spaces that enhance daily living.
What people say
Superlative talents Profound impact Enjoyable process Enduring relationships Beautiful end results
Services
Space Planning
Space planning optimizes room functionality by analyzing circulation, focal points, and storage needs. We create detailed furniture layouts and architectural adjustments to maximize comfort and efficiency. Our approach ensures every design choice aligns with how clients live, resulting in spaces that feel both beautiful and purposeful.
Kitchen & Bath Design
Specializing in kitchen and bath renovations, we combine aesthetics with practicality. Our process includes precise measurements, material selection, and coordination with contractors to ensure seamless installations. Clients receive tailored designs that enhance usability while adding long-term value to their homes through modern, functional updates.
Project Management
We oversee all aspects of design projects, from concept to completion. By collaborating with trusted architects and subcontractors, we streamline workflows and maintain quality control. This service ensures timely execution while serving as a single point of contact for clients throughout the implementation process.
Real Estate Staging
Our staging services help homeowners present properties in their best light to attract buyers. We strategically arrange furnishings and decor to highlight a home's strengths, aiming to expedite sales at optimal prices while offering consultation for potential buyers evaluating properties.
Event Decoration
We create customized decorative concepts for events and seasonal celebrations. Our expertise in color, texture, and styling transforms spaces with thoughtful details that elevate both interior and exterior environments, making special occasions memorable through curated design elements.
People
Katharine Mast
Owner & Lead Designer
Katharine Mast combines professional expertise with creative passion to realize clients' design visions. With extensive experience in interior design and architectural planning, she focuses on creating spaces that enhance clients' lives while maintaining a commitment to quality and personal service.
Questions
What interior design services do you offer?
We provide space planning, kitchen & bath design, project management, real estate staging, and event decoration services tailored to residential clients' needs.
Which areas do you serve?
We work throughout the greater Boston area, including Concord, Newton, Wellesley, Weston, Brookline, Lincoln, and Sudbury.
How does your design process work?
Our process begins with understanding your lifestyle needs, followed by creating detailed plans and coordinating implementation with trusted professionals to bring your vision to life.
Can you help with home renovations?
Yes, we specialize in kitchen and bath renovations, structural modifications, and whole-home transformations while maintaining functionality and aesthetic appeal.
Do you work with existing contractors?
We collaborate with trusted local contractors and subcontractors, ensuring quality execution while serving as your single point of contact throughout the project.