Idaho Falls, Idaho

Setting the Standard for Finish Carpentry

MillCon Trim supplies and installs doors, windows, and trim for production-scale builds and high-end custom homes — one standard of craftsmanship, on every job, every time.

107+
Projects Completed
6+
Builder Partners
3
Years in Business

Trusted by Idaho's Leading Builders

We partner with production and custom home builders across Idaho Falls and the surrounding area, delivering precise door, window, and trim installation on projects of every scale — from fast-moving subdivisions to detail-heavy custom homes.

Hamlet Homes logo
RPI Construction logo
Gate City Builders logo
Summit Building Group logo

Featured Projects

Custom home exterior with finished doors and windows
Custom Home
Idaho Falls, ID · Exterior doors & windows
Interior entry finish carpentry with wood slat wall
Interior Finish Detail
Custom residence · Entry & millwork
Multi-family townhome exterior with trim and windows
Multi-Family Development
Production build · Doors, windows & trim

See All Projects

Comprehensive Finish Carpentry Services

Exterior Door Installation

Precision-fit entry and patio doors, sealed and finished to last through Idaho's climate.

Window Installation

Supply and install for new construction and replacement projects.

Interior Trim & Finish Work

Baseboards, casing, crown molding, and custom detail work.

High-Volume Production Builds

Scaled crews and systems built for subdivision-pace schedules.

High-End Custom Work

Detail-focused finish carpentry for custom homes.

See All Services

Building Trust, One Detail at a Time

Request a Quote