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Carpentry in Clayton, MO (63105) · Local Professionals

St Louis Carpentry · Fast response in Clayton and the St. Louis area · Free estimate 24h

✅ City of St. Louis Construction Industry Contractor License 🛡️ Fully Insured 💸 Free Quote 24h 🕐 Mon-Sun 7am-7pm
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Clayton's grand Central West End townhomes and established brick estates demand carpentry work that matches their craftsmanship and detail. St. Louis Carpentry has been serving Clayton and the surrounding St. Louis area since 2016, bringing the same crew back to every job so your home gets the attention it deserves.

Homeowners in Clayton (63105) call us for finish carpentry that fits the character of their properties, structural repairs that hold up to our humid Midwest winters, and custom built-ins that feel like they belong in a home built to last. We work on the wood that matters: interior trim, door frames, deck frames, and the framing behind your walls that keeps everything square and sound.

Carpentry in Clayton (63105)

Clayton's housing stock is defined by elegant brick townhomes and substantial older residences set on generous lots near Forest Park and the Clayton business district. These properties were built to last, but the wood components that give them character, function, and structural integrity need attention. Our humid continental climate with cold freeze-thaw winters and hot summers puts real stress on wood: sills and fascia rot from standing water and ice dams, floor joists soften from moisture wicking up from below, and deck frames fail from repeated wet-dry cycles. The terrain here is gently rolling, which means good drainage on some lots and pooling on others, and tight lot access in established neighborhoods sometimes means we have to plan staging and material delivery carefully.

We have been repairing and replacing wood framing, trim, doors, decks, and custom millwork in Clayton and across the St. Louis area since 2016. Our team has experience with the structural carpentry these older homes sometimes need (floor joist sistering, rim joist replacement, beam work), the finish carpentry that keeps them beautiful (crown molding, casing, built-ins, wainscoting), and the honest assessment that separates repair from replacement.

Our services in Clayton

How a Job Works in Clayton

We start with a free on-site assessment. You describe what you have noticed, we look at the wood, test it, and explain what we find in plain terms. We take photos and measurements, ask about any pest inspections or moisture issues, and talk through your options. If the wood can be repaired, we say so. If it needs replacement, we tell you why and what that costs. We leave you with a written estimate.

Once you approve, we schedule the work around your calendar and any HOA coordination your property requires. Our crew shows up at the agreed time with the materials and tools needed to do the job right. For structural work such as load-bearing wall removal, beam replacement, or deck rebuilding, permits are commonly required and we coordinate with the Clayton building department to make sure everything is approved before we start. For finish carpentry and custom work, we take time to fit and scribe trim so it looks built-in, not added on. We clean up daily, haul away debris, and do a final walkthrough with you so you know the work is complete.

Pricing in Clayton depends on the scope of work, the condition of the wood, and how easy it is to access. A small trim or casing job might run 550 to 1,200 dollars. Interior door installation is typically 350 to 600 dollars. Custom built-ins and shelving start around 1,900 dollars for a modest project and scale up with complexity and materials. Structural work is more variable: floor joist repair starts at 1,800 dollars, beam replacement at 3,500 dollars, and load-bearing wall work depends on the span and the engineer's design. Deck and porch repair runs from 900 to 2,500 dollars depending on how much framing is involved. The biggest cost factors are the size of the area, what the wood underneath actually looks like once we open it up, whether we can repair or need to replace, and whether permits are required. Call us at (314) 338-6837 for a free estimate on your project.

✅ City of St. Louis Construction Industry Contractor License, fully insured for work in Clayton and nearby areas.

My Clayton home has a soft spot in the floor near the kitchen. What should I expect?
A soft or bouncy floor usually means the subfloor or floor joists underneath have absorbed moisture and begun to fail. We come out and probe the wood to see how far the damage goes. If it is only the subfloor, we can replace that section. If the joists are involved, we may sister new framing alongside the old or replace the damaged sections. Cost depends on how much area is affected and whether we can access it from below or have to work from above. Call (314) 338-6837 and we will come take a look.
We had a pest inspection and the report mentions termite damage in the basement rim joist. What do we do?
Bring us the inspection report. We examine the damaged wood and determine whether the joist can be sistered (reinforced with new framing bolted alongside) or needs to be replaced. We do not treat the termites or eliminate the infestation, that is a separate pest control service. We repair and replace the wood that has been damaged, working from your pest inspector's findings. Rim joist and sill work often requires a permit, so we will coordinate with the Clayton building department.
What does finish carpentry cost in Clayton?
Crown molding and baseboard installation typically run 450 to 800 dollars per room depending on the room size and the profile you choose. Interior door installation is 350 to 600 dollars per door. Custom built-ins start at 1,900 dollars for a modest bookcase or shelving unit and go up significantly for larger installations. Coped joints and scribing to fit trim perfectly takes more time than simple butt joints, so detail work costs more. Get a free estimate at (314) 338-6837.
Do we need a permit for the work you do in Clayton?
It depends on the scope. Finish carpentry, trim installation, and door work usually do not require permits. Structural work such as removing or altering a load-bearing wall, replacing beams or floor joists, and building or significantly repairing a deck almost always does. Permit requirements and thresholds vary, so we always check with the Clayton building department before we start. We can help you understand what the code requires for your specific project.
Our HOA has rules about exterior work. How do we handle that?
We work with you to coordinate with your HOA if approval is needed before we start. For deck repair, exterior trim work, or door replacement, some HOAs require advance notice or approval. We can help document the scope and timeline for your HOA submission. Let us know what your property requires and we will factor that into the scheduling.
Are you insured for work at my Clayton home?
Yes, we are fully insured with general liability and workers' compensation coverage. That protects you and our crew. We can also help you document any damage for an insurance claim, though we cannot promise that a claim will be approved or that work will be covered by your policy.
When is the best time to address wood rot or deck damage in Clayton?
Spring and fall are ideal because the weather is stable and permits move faster through the building department. Wood rot and moisture problems do not wait for the season though, so if you notice soft spots, visible rot, or water damage, we recommend getting it looked at promptly. The longer damaged wood sits, the more it spreads. Winter freeze-thaw cycles and summer humidity both accelerate decay, so addressing it sooner saves money later.
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Our services

Our Carpentry Services in St. Louis

All your work handled by qualified professionals in St. Louis

Wood Rot & Dry Rot Repair

We cut back to sound wood, find the water that caused it, and rebuild to last.

Included in your service

  • Probing to map how far the decay actually runs
  • Decayed framing, siding and trim cut out, not filled over
  • Rebuilt in redwood, Douglas fir or primed rot-resistant stock
  • The moisture source traced and closed, or the rot returns
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Termite Damage Repair

The exterminator handles the insects. We rebuild the wood they left behind.

Included in your service

  • We work from your pest inspection report, section by section
  • Eaten studs, sill plates, rim joists and subfloor replaced
  • Structural integrity restored before finishes go back on
  • No treatment, no fumigation: pest control is a separate trade
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Floor Joist & Subfloor Repair

Soft, bouncy or sloping floors almost always start under the finish surface.

Included in your service

  • Joists, subfloor and bearing points inspected from below
  • Sistering where a joist is sound enough to keep
  • Full joist or subfloor replacement where it is not
  • Straight answer on what is old settling and what is real damage
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Beam Replacement & Load-Bearing Wall Removal

Real structural carpentry: engineered beams, headers, and openings done to spec.

Included in your service

  • Temporary shoring set before anything load-bearing comes out
  • Engineered beams and headers installed to the drawings
  • We say plainly when your job needs a structural engineer first
  • Built to the permit set, ready for city inspection
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Framing & Structural Carpentry

Straight, plumb and square: the bones every finish detail depends on.

Included in your service

  • New interior walls, openings, garage and basement build-outs
  • Stud framing, headers and blocking sized for the span
  • Fire and water damaged framing cut back and rebuilt
  • Laid out so drywall, trim and cabinets land where they should
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Finish & Trim Carpentry

Tight miters, scribed fits, consistent reveals. This is where a carpenter shows.

Included in your service

  • Casing, paneling and wainscoting fitted to the room as built
  • Scribing to walls that are neither flat nor plumb
  • Coped joints on inside corners instead of caulked gaps
  • Profiles matched to existing Victorian and Edwardian millwork
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Crown Molding & Baseboard Installation

Crown, base and casing cut for the ceiling you actually have, not a perfect one.

Included in your service

  • Coped inside corners, mitered and glued outside corners
  • Baseboard, chair rail and window trim run to a clean line
  • Period profiles matched or kept crisp and modern, your call
  • Filled, sanded and caulked ready for paint
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Custom Built-Ins & Shelving

Built for the alcove you have: bay windows, sloped ceilings, awkward corners.

Included in your service

  • Bookshelves, window seats, media walls and Murphy beds
  • Designed around compact floor plans, not around stock sizes
  • Scribed and shimmed so nothing reads as an add-on
  • Face frames, doors and drawers aligned before we leave
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Interior Door Installation & Repair

Doors that stick or swing open on their own are usually the frame, not the door.

Included in your service

  • Jamb, hinges and reveal checked before anything is replaced
  • Doors hung, planed and adjusted to a settled opening
  • Damaged jambs and door frames repaired rather than swapped
  • Pocket and barn door hardware installed and tuned
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Exterior & Entry Door Installation

Entry, back and French doors set weather-tight against fog and wind-driven rain.

Included in your service

  • Opening flashed and sill pan set before the unit goes in
  • Rotted frames and thresholds repaired or fully replaced
  • Shimmed plumb so the door seals along its whole edge
  • Weatherstripping, hardware and strike plates fitted properly
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Cabinet & Vanity Installation

Level cabinets in a house where almost nothing is level. That is the whole job.

Included in your service

  • Floors and walls checked and a true level line struck first
  • Boxes shimmed, scribed to out-of-square walls and fastened
  • Kitchen, bath vanity and laundry storage set as one run
  • Doors, drawers and hardware aligned and adjusted at the end
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Stair & Railing Repair

Squeaky treads and loose banisters, repaired without rebuilding the whole stair.

Included in your service

  • Stringers, treads and risers checked for wear and movement
  • Loose newel posts and balusters re-anchored, not just glued
  • Period railings restored where the original stock is sound
  • Handrails and attic ladders installed to code height and grip
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Deck & Porch Repair

Repair first. We only recommend replacing when the framing no longer justifies it.

Included in your service

  • Boards, posts, stairs and framing probed for hidden decay
  • Rotted members replaced, sound structure kept and reused
  • Ledger connection and flashing checked where the deck meets the house
  • An honest repair-versus-replace number before work starts
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Fascia, Soffit & Exterior Trim Repair

Soft fascia and peeling paint at the roofline are the first sign of rot moving in.

Included in your service

  • Fascia, soffit and exterior trim replaced back to sound wood
  • Primed rot-resistant material on all six faces before install
  • Gaps closed so moisture and pests stop getting into the roofline
  • Ready for paint, with the water path corrected first
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