INTERIOR
How Much Does Interior Door Casing Installation Cost?
Estimate interior door casing and trim installation cost per door — with the free calculator.
Door casing frames your doors and ties the room together. New trim is a low-cost refresh with high visual impact. This guide covers the cost per door and a calculator.
THE SHORT ANSWER
The short answer
Installing interior door casing runs $100–$150 per door for material and labor. A full prehung door install with casing runs $250–$600 per door.
Cost per door
Casing material runs $15-$50 per door for MDF, $40-$100 for wood. Labor runs $50-$100 per door. A full casing install lands around $100-$150 per door.
- MDF casing: $15–$50 per door
- Wood casing: $40–$100 per door
- Labor: $50–$100 per door
- Total installed: $100–$150 per door
Why new casing
New casing freshens a room at low cost, especially after painting. It hides irregular wall joints and can modernize dated doors without replacing them.
What affects the price
Miter cuts at corners take skill — a pro charges more but the seams look clean. Taller doorways and arched openings add labor. Matching existing trim profiles may require special ordering.
Try the calculator with your doors
Enter the number of doors, casing price per door and installation per door to see the total.