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Carpentry & Trim in Crystal Lake, IL — Baseboards, Crown, Built-Ins, Rot Repair

$85/hr. Baseboards from $4.50/linear ft installed.

Interior trim and baseboard install, crown molding, casing, chair rails, wainscoting. Custom shelving and built-ins. Rot repair on window sills, door frames, and trim. Subfloor and joist patching where the floor is soft. Structural beam install runs through an engineer for sizing.

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Licensed • Insured • Locally Owned in Crystal Lake, IL • Serving 222 Communities Across Northern IL and Southern WI

Carpentry & Trim

Pricing

What carpentry & trim costs.

Baseboard install$4.50/ft + materials
Crown molding (single-piece)$6.50/ft + materials
Door or window casing$95–$185 per opening
Custom built-in bookcase$85/hr + materials
Rot repair (window sill, trim)$285–$685
Beam install (with stamped spec)Quoted on site

Prices listed are typical for Northern IL in 2026. Final price depends on scope, materials, and access. We confirm before we start.

What's included

  • Baseboard and shoe-mold install
  • Crown molding (single-piece or built-up)
  • Door and window casing
  • Chair rail and wainscoting
  • Custom shelving — closet systems, bookcases, mudroom benches
  • Built-in bookcases and storage
  • Rot repair — window sills, door frames, exterior trim
  • Subfloor and joist patching (where accessible)
  • Structural beam install (with engineer-stamped spec)

What's not

  • Custom millwork fabrication — we install but don't run a shop
  • Engineered floor joist replacement at scale (that's a remodel)
  • Stair refinishing — refer to a flooring specialist

Field work

Recent carpentry & trim we've done.

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Process

How a carpentry & trim visit goes.

  1. 1

    Measure and miter-plan

    Walk the room, measure every wall, plan the miter cuts so the long pieces land in the right places.

  2. 2

    Cut and dry-fit

    Cut on the chop saw, dry-fit every joint, sand the cuts before nailing.

  3. 3

    Install

    Nail into studs, glue the miters, set the nails below the surface for fill.

  4. 4

    Caulk and finish

    Fill nail holes, caulk to the wall, prime ready for paint.

Frequently asked questions

Can you match my existing trim profile?
Usually — most profiles are stocked at the mill or big-box. If yours is a custom profile from a 1970s build, we'll bring a sample to a millwork shop for a custom run. The difference shows up in the materials cost, not the labor.
Do you paint the trim after install?
We install primed-ready. Paint is a separate scope under our Painting service — most homeowners batch the two.
How long does a room of baseboard take?
A typical 12×12 room takes 4–6 hours including cuts, install, caulk, and fill. We can usually do 3–4 rooms in a day.
Can you fix soft spots in my floor?
If the subfloor is soft from a leak, we cut out the bad section, sister the joists if needed, and replace the subfloor. If the joists themselves are sagging, that needs an engineer to spec the repair before we touch it.
Do you do crown molding on tall ceilings?
Yes — we have a 12-foot ladder and a scaffold. Above that, we'd want to scaffold the room properly and that adds time.
What about rotted window sills and door frames?
We cut back past the damage, treat adjacent framing with rot-killer, install new material, prime and seal. Most rot repair is a 4-hour visit. If the rot extends into structural framing, we scope it bigger.

Where we work

Cities we do carpentry & trim in.

Headquartered in Crystal Lake, IL (60014). We serve 222 cities across 9 regions in Northern Illinois and Southern Wisconsin. Wave 1 launch cities below.

Crystal Lake, ILMcHenry, ILWoodstock, ILLake in the Hills, ILAlgonquin, ILCary, ILHuntley, ILMarengo, ILHarvard, ILSpring Grove, ILFox Lake, ILWonder Lake, ILElgin, ILSt. Charles, ILGeneva, ILBatavia, ILBarrington, ILCarpentersville, ILLake Geneva, WIJanesville, WI

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Need carpentry & trim?

Call us or send a quick quote request. Two-hour minimum, same-week scheduling on most jobs.

CALL (847) 865-9233GET A FREE ESTIMATE