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Finish Carpentry & Trim in Massachusetts

Trim, doors, stairs and built-ins — the details people actually notice.

Finish carpentry is the part of the house people run their hand along. Miters either close or they don't; a door either swings true or it drags. There's nowhere to hide.

We install interior and exterior trim, hang doors, build stair details, wainscoting, coffered ceilings and custom built-ins — scribed to the walls you actually have, not the perfectly square ones on paper.

Finish Carpentry

  • Baseboard, casing and crown molding
  • Interior and exterior door hanging
  • Stair skirts, treads, risers and railings
  • Wainscoting, board and batten walls, and paneling
  • Custom built-ins, shelving and closets
  • Coffered ceilings and beam wraps

Why It Matters

Why Choose King of Carpentry

Tight Joints

Miters and scarf joints cut to close cleanly and stay closed.

Scribed To Real Walls

Old houses aren't square; we fit the trim to the house, not the theory.

Paint-Ready Finish

Nail holes set, joints glued and surfaces prepped for a clean paint job.

Our Process

A Simple, Clear Process

  1. 01

    Style Selection

    Profiles, sizes and reveal details chosen with you.

  2. 02

    Measure & Order

    Accurate takeoff so material and profiles match throughout.

  3. 03

    Install

    Trim cut, fit, glued and fastened room by room.

  4. 04

    Fill & Sand

    Holes filled, joints sanded and everything left paint-ready.

  5. 05

    Detail Check

    We walk each room with you to review the details.

Our Work

Recent Work

Window opening prepared for interior trim
Interior finish carpentry in a completed home
Entry steps with finished carpentry detail

Serving Massachusetts & Surrounding Areas

Planning Your Next Project?Let's Build It Right.

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Frequently Asked Questions

Can you match existing trim in an older home?+

Usually yes. We match profiles where possible and blend transitions where an exact match no longer exists.

Do you build custom built-ins?+

Yes — shelving, benches, mudroom cubbies and closet systems built on site.

Do you paint the trim as well?+

We do. Painting is one of our services, so trim and paint can be handled by the same crew.

Areas We Serve

  • Framingham
  • Natick
  • Marlborough
  • Ashland
  • Hopkinton
  • Southborough
  • Northborough
  • Westborough
  • Sudbury
  • Wayland
  • Holliston
  • Milford
  • Hudson
  • Shrewsbury
  • Worcester
  • Newton
  • Waltham
  • Needham

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