Labor to install door casing typically runs $100-$250 per standard interior doorway when both sides are trimmed, with an average near $160. Door size, casing style, wall condition, removal of old trim, and local carpenter rates determine the final quote; materials are usually extra.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Labor per doorway | $100 | $160 | $250 | Both sides, standard interior opening |
| Labor per side | $60 | $100 | $140 | One face of the opening |
| Carpenter hourly rate | $50 | $75 | $100 | May have a minimum charge |
| Casing material | $1.50 | $4 | $10 | Per linear foot; not labor |
Assumptions: U.S. mid-market rates, standard interior door, ordinary access, and no major wall repairs.
What labor costs to case one standard interior doorway
For a typical 30- to 36-inch interior door, expect $100-$250 in labor to install casing on both faces. The average quote is about $160 when the opening is square, the trim is a common profile, and the work does not include painting or significant repairs. A one-sided installation commonly costs $60-$140.
Most labor-only quotes cover measuring, cutting, fitting, fastening, and basic caulking or nail-hole filling. Ask whether both sides are included: some estimates price each face separately. Materials, primer, paint, disposal, and moving furniture may be excluded. A small job may also carry a $75-$150 minimum even if only one doorway needs trim.
How carpentry labor and casing materials appear on a quote
Labor is the main expense, but a quote may separate removal, finish work, and materials. The following ranges assume a single standard doorway and ordinary jobsite conditions.
| Quote item | Low | Average | High | Typical scope |
|---|---|---|---|---|
| Install labor | $100 | $160 | $250 | Both sides, standard profile |
| Trim material | $15 | $35 | $80 | About 30-45 linear ft |
| Old casing removal | $30 | $60 | $120 | Careful removal and cleanup |
| Caulk and nail-hole prep | $15 | $30 | $60 | Basic filling, not full painting |
Confirm whether the quoted total includes both sides, trim stock, finishing, and haul-away. For labor billed hourly, the estimate may use ; at $50-$100 per hour, a two- to four-hour job implies $100-$400 before any materials or minimum fee. Piece-rate bids can be easier to compare when the scope is clearly defined.
How casing width, profile, and wall gaps change labor
Basic flat or ranch casing is usually faster to fit than ornate profiles with multiple pieces or detailed backbands. Upgrading from a simple 2¼-inch casing to a 3½-inch or wider profile may add $20-$75 in labor per doorway, especially when corners require careful matching or walls are uneven.
Opening condition can matter more than the door’s nominal size. A gap or wall irregularity over ¼ inch may require scribing, shimming, or added filler work. Arched tops, unusually tall openings above 8 feet, and non-square jambs can add $50-$200 or more. Installing casing on a new, properly finished jamb is generally quicker than correcting a rough opening.
How many hours does a carpenter need per door?
A carpenter often needs 2-4 hours to case both sides of one standard interior doorway, including measuring, cutting, fitting, and fastening. A second opening in the same home may take less time because setup and tool handling are already covered. A complex profile, crooked wall, or repeated fitting can push the work to 4-6 hours.
Bundling several doors can reduce the effective labor cost per opening. A contractor may charge a minimum for a one-door visit, while a group of four or more similar openings can spread travel and setup time across the project. Clarify whether the hourly estimate includes setup, cleanup, and return visits for paint or caulk to dry.
When old trim removal or wall repair raises the bill
Removing existing casing commonly adds $30-$120 per doorway, depending on how securely it is attached and whether the trim can be removed without damaging drywall. Disposal may be included, or a contractor may charge $20-$75 for debris handling. Lead-safe work rules can affect price in older homes if painted trim requires special handling.
Budget separately for repairs beyond normal nail-hole filling. Torn drywall paper, loose plaster, or damaged jamb edges can add $50-$250 per opening, depending on patch size and finishing needs. Painting the new casing often costs another $40-$100 per doorway for labor, with color matching or multiple coats increasing the charge.
Why door casing labor rates vary by U.S. location
Rates in major coastal metros and high-cost cities can run 15%-35% above national mid-market pricing. Smaller towns and rural areas may come in 10%-20% below it, although travel charges or limited contractor availability can offset savings. Local minimum service fees also matter on a one-door project.
Compare quotes for the same scope rather than comparing totals alone. Check whether each price includes one or both sides, removal, caulking, and finishing. Ask for the labor rate or per-door rate and whether a trip fee, parking charge, or minimum applies. A quote that appears higher may include work another contractor lists separately.
How to lower the door casing labor quote
Keep the scope simple by selecting a standard profile, using matching trim across multiple openings, and scheduling several doors in one visit. Clear the work area and move furniture before the installer arrives if the contractor confirms that preparation is the homeowner’s responsibility. Supply materials only after verifying the required profile, thickness, and quantity.
Request separate prices for installation, removal, and painting before approving extras. If existing casing is sound and the new design can fit over it, ask whether adding or replacing only damaged pieces is practical. Get at least two written estimates based on the same number of sides and finish level, and avoid paying for wall repairs or premium trim details that are not needed for a clean fit.