Interiology Design Co.

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Interiology Design Co. Custom-Tailored Living Interiology Design Co. We specialize in kitchen and bath design, custom cabinetry, whole house renovation and exceptional home décor.

is an award-winning, full-service interior design firm based in Watertown, MA, serving clientele in greater Boston, Cape Cod & Islands, throughout New England and beyond. President Mark Haddad leads a creative team that is equally comfortable with envisioning and executing both modern and traditional designs. Whether it’s a complete renovation or selecting the décor for just one room, we envision the comprehensive interior design plan and manage the project from start to finish. Interiology sets the highest standards for superior workmanship, quality and innovative design not commonly found in today’s market.

Every so often a client says something that stops me in my tracks. This is one of those: 🤍“There is nothing they can’t t...
10/16/2026

Every so often a client says something that stops me in my tracks. This is one of those: 🤍
“There is nothing they can’t tackle! They are incredibly talented, warm, creative, gracious, responsive, and they put the client first at all times.” — LS, Arlington, MA

I built this firm on relationships, not transactions — a lot of our clients come back for a second project, sometimes a third. This is why.

If you’re thinking about your next project, I’d love to hear your story. Link in bio.
— Mark

❤️

I founded Interiology Design Co. in 2001, and I still start every project the same way I started my first one: with a co...
10/06/2026

I founded Interiology Design Co. in 2001, and I still start every project the same way I started my first one: with a conversation, not a pitch. 👋

I’m a Certified Master Kitchen and Bath Designer, I speak at industry conferences a few times a year, and I spend part of my time training the next generation of designers through the National Kitchen and Bath Association — as an instructor, a competition judge, and a subject matter expert. But none of that tells you what it’s like to work with me.

What I care about is this: understanding how you actually live, before a single material gets chosen. That hasn’t changed and it’s not going to.

— Mark

I love projects like this one. A long, narrow kitchen that felt cramped no matter how we rearranged the furniture — the ...
09/25/2026

I love projects like this one. A long, narrow kitchen that felt cramped no matter how we rearranged the furniture — the real problem was an awkward peninsula eating into the flow. ✨

Once we removed it, everything opened up: clear work zones, a natural sense of movement, and room to bring in a warm mid-century sensibility without losing an ounce of storage. We tucked in professional-grade appliances — induction cooktop, speed oven, fully concealed refrigeration — so the room stays clean and cohesive even with everything it needs to do.

We had fixed plumbing and ventilation to work around, which always makes a project like this more interesting. The result feels effortless.

— Mark

Since 2001, Interiology Design Co. has been transforming spaces for discerning clients across Massachusetts. Ready to reimagine your home? Link in bio.

A Certified Master Kitchen & Bath Designer and nationally recognized industry voice, Mark has spent his career helping t...
09/18/2026

A Certified Master Kitchen & Bath Designer and nationally recognized industry voice, Mark has spent his career helping train the next generation of designers as an instructor, design competition judge, and subject matter expert.

Since 2001, Mark and his team have brought a collaborative, team-based approach to every Interiology project – creative, flexible, and always client-first.

̇nteriors

The Experience Studio in Watertown brings every room of the home to life with fully operational display – real cabinetry...
09/11/2026

The Experience Studio in Watertown brings every room of the home to life with fully operational display – real cabinetry, real finishes, real materials. No guessing from a swatch. No surprises on installation day.

Open Tuesday through Friday, 10am–5pm, or by appointment.

📍430 Main St., Watertown, MA 📞(617) 741-3131

Client relationships are at the heart of everything we do — many of ours span years, projects, and even new homes. This ...
08/27/2026

Client relationships are at the heart of everything we do — many of ours span years, projects, and even new homes. This is why. 🤍

Thinking about your next project? We’d love to hear your story. Link in bio.

Great design doesn’t start with a mood board. It starts with a conversation. Here’s how we approach every project at Int...
08/21/2026

Great design doesn’t start with a mood board. It starts with a conversation.

Here’s how we approach every project at Interiology:

1. Discover — We visit your home to learn how you actually live. What are your must-haves? What do you wish for?

2. Design — We create and refine a plan that’s custom-tailored to you, walking through every step together.

3. Select — We curate furnishings, fabrics, and finishes — so you’re never choosing alone, and you see and feel everything in person.

4. Deliver — We coordinate every detail, from engineering to final installation, working with trusted craftsmen to bring it all to life.

Concierge project management, from concept through completion. That’s the Interiology difference.

#

From cherry and black to rich walnut and moody blue lacquer. ✨This kitchen went from ordinary to extraordinary with a co...
08/06/2026

From cherry and black to rich walnut and moody blue lacquer. ✨

This kitchen went from ordinary to extraordinary with a complete reinvention centered on a 12-foot island — complete with gas and electric cooktops, a w**e cooler, and seating for the whole family. Oversized windows and dramatic linear lighting transformed a solitary cooking space into the true social centerpiece of the home.

Sometimes the biggest transformations aren’t about age — they’re about reimagining how a space actually supports daily life.

Since 2001, Interiology Design Co. has been transforming spaces for discerning clients across Massachusetts. Ready to reimagine your home? Link in bio.

MassachusettsDesigner InteriorDesignMA

Address

430 Main Street
Watertown, MA
02472

Opening Hours

Tuesday 10am - 5pm
Wednesday 10am - 5pm
Thursday 10am - 5pm
Friday 10am - 5pm

Telephone

+16177413131

Website

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