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Serving all 15 towns of Barnstable County

Custom Carpentry & Woodworking on Cape Cod, MA

Designed with you, built in our Mashpee shop and installed by our own crew. Free in-home estimates in Cape Cod, MA.

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Made in our Mashpee shop

GR Custom Woodwork does custom carpentry work in Cape Cod, MA: built-in bookcases, fireplace walls, window seats, home offices, bunk beds and closets, designed for your room and built in our Mashpee shop.

Every piece is cut, assembled, painted and installed by our own team, with no subcontractors. Our shop and showroom are at 68 Mercantile Way in Mashpee, and we work in all 15 towns of Barnstable County, from Bourne and Falmouth to Provincetown.

What we build

  • Built-in bookcases and libraries

    Floor-to-ceiling shelving, rolling ladders, lighting and cabinets below, painted or in natural wood.

  • Fireplace walls

    Built-ins on both sides of the hearth, mantels and surrounds that frame the fireplace.

  • Home offices

    Desks, file drawers and open shelving built into the room so the office feels finished.

  • Bunk beds and window seats

    Built-in bunks with drawers, window seats with storage and other pieces that make small rooms work harder.

Custom Carpentry & Woodworking in every Cape Cod town

Upper Cape

Mid Cape

Lower Cape

Outer Cape

Our recent work

Home office with built-in shelves and a deskBuilt-in bunk beds with storage drawersFamily room built-ins around a fireplaceNavy built-in bookshelves

How it works

  1. 1

    Visit and measure

    We come to your home, measure the space and talk through what you want.

  2. 2

    Design and estimate

    You get a design and a written estimate. Finishes and hardware can be chosen in our Mashpee showroom.

  3. 3

    Built in our shop

    We cut, assemble and finish every piece in our own shop, so quality is checked before it reaches your home.

  4. 4

    Installed by our crew

    The same team installs, trims and finishes the work on site, with no subcontractors.

What our clients say on Google

  • ★★★★★
    “Gustavo and his crew are so talented! They have done several jobs on our house, my office with beautiful built-ins, my front entry porch and pillars, and transformed our fireplace. Always on time, very detail oriented, and makes sure the job is done to satisfaction!”

    Crystal Neel · Google review, February 2025

  • ★★★★★
    “GR Custom Woodwork did an amazing job building our book shelves and cabinets for our family room. His work is very high quality with a reasonable price. Gustavo was always on time, professional, kind and worked hard to get the job done in a timely manner.”

    Alisa Bellantonio · Google review, May 2022

  • ★★★★★
    “Thank you to the amazing staff for making my new custom closets into a fabulous area. This was such a smooth process and every detail was perfect. My walk-in closet looks amazing.”

    Donna Davidson · Google review, June 2025

Frequently asked questions

Do you offer free estimates for custom carpentry work?

Yes. We visit your home in Cape Cod, take measurements and talk through what you want, then send a written estimate. Call (508) 648-8998 or use the form on this page.

Who does the work?

Our own team, start to finish. We cut, assemble, paint and install everything ourselves, with no subcontractors, so the person who measured your space is part of the crew that installs it.

How long does a built-in take?

It depends on the size of the piece. We build it in our shop first, so the time we spend in your home is mostly installation and finish work, and we give you the schedule with the estimate.

Can you match the woodwork already in my house?

Yes. We measure the existing trim and profiles and build the new pieces to match, so the built-in looks like it was always part of the house.

More from GR Custom Woodwork

Our services on Cape Cod

Helpful guides

Let’s bring your vision to life

At GR Custom Woodwork, we are dedicated to delivering exceptional custom woodworking services that transform your space into something extraordinary.