Carpentry & Wood Rot Repair in St. Louis, MO · Fully Insured Professionals

Carpenter in St. Louis, MO: Wood Rot, Structure & Finish Work

St Louis Carpentry is a local residential carpentry shop serving St. Louis and the surrounding areas, including Clayton, University City, Webster Groves, and Kirkwood. We work on the full range of wood carpentry: structural repair of rot, insect damage, and failed framing; sistering and replacement of floor joists and subfloor; beam and header work; and finish carpentry from trim and casing through custom built-ins and cabinetry. If you are a homeowner searching for a carpenter near me in St. Louis, you work with the same carpenters who show up and do the work, not a call centre dispatcher.

The St. Louis housing stock is a century of brick and wood framing: Second Empire and Victorian mansions in Lafayette Square and Compton Heights, brick flats and rowhouses across South City in Soulard, Benton Park and Tower Grove, brick bungalows and Craftsman homes on The Hill, and grand townhomes in the Central West End. That brick exterior means wood shows up mainly in porches, decks, window frames, trim, and interior framing rather than siding. Add a humid continental climate with cold freeze-thaw winters, hot humid summers, and real termite pressure in the warm months, and you get a particular set of wood failures. Our job is to read them accurately, explain what is happening and why, and build a repair that lasts. Call (314) 338-6837 or request a free wood rot inspection to get started.

Why Wood Fails in St. Louis, and How We Read It

Wood fails in St. Louis for three main reasons. Dry rot is a fungus that needs sustained moisture to grow, not standing water. Our humid continental climate, with rain and snow melt soaking into sills, fascia, deck ledgers, and window frames, supplies exactly that. Wet rot follows the same pattern: water sits at a threshold, a sill plate, or a porch rim joist, the wood stays damp, and fungal decay progresses inward. Termites and wood-boring beetles are a seasonal threat in the warm months, and they hollow out a joist or stud from the inside while the paint film on the surface still looks intact. The real damage is often hidden until you probe it or cut into the framing behind.

We assess wood rot and insect damage by probing to find where sound wood begins, checking the structural members behind the visible surface, and tracing the water path that fed the decay. A cosmetic surface failure on a sound member can be cut out and rebuilt with new wood. A member that has lost too much section gets replaced. Here is the hard truth: if the water source is not closed, the repair fails again. Filler over rot is not a repair. On termite and beetle damage, we repair and replace the damaged wood, working from your own pest inspection report. We do not treat, fumigate, or perform pest control, which is a separate regulated trade. If you have found soft wood, visible decay, or damage flagged in a pest report, call (314) 338-6837 or learn more about wood rot and dry rot repair to get an honest assessment.

The decision to repair or replace comes down to three things: how much sound section is left in the member, whether the water source can actually be closed, and what each option costs. We quote both when both are real options, and we say plainly when replacement is the only honest answer. Termite damage repair follows the same logic: we replace what the insects have hollowed out, and we do not treat the infestation itself.

Structural Carpentry in St. Louis: Joists, Beams and Settling

Structural carpentry in older St. Louis homes means understanding what a century of settling looks like. A floor that slopes gently or a door that sticks are usually the normal condition here, not active failure. What matters is whether something is still moving and how the member is doing where it bears load. We repair floor joists by sistering, which means bolting a new joist alongside a weakened one, or we replace the section outright if too much wood is gone. Subfloor sections can be cut out and replaced, sill plates and rim joists rebuilt, and headers and beams resized when a wall is opened or a load is redistributed. Floor joist and subfloor repair is common work here, and we approach it with the same principle: repair when the wood justifies it, replace when it does not.

Beam sizing and load-bearing alterations commonly require engineered drawings from a licensed structural engineer and a permit from the St. Louis building department. We build to those drawings rather than produce them. If you are considering a beam replacement or load-bearing wall removal, that is the path: engineer first, permit second, then carpentry. We have the experience to frame it right once the engineer has sized it and the permit is in hand.

Finish Carpentry and Built-Ins in St. Louis Homes

Finish carpentry in St. Louis homes is about reading the existing stock and matching it. The local housing stock is full of period millwork: coped joints instead of caulked corners, consistent reveals, baseboard and crown molding profiles that belong to their era. We install casing, baseboard, crown molding, and wainscoting by scribing to walls that are neither flat nor plumb and matching the profiles and proportions of what is already there. Custom built-ins and shelving fill awkward spaces and bay windows. Cabinets and vanities are set plumb and level, and doors hang true. Finish and trim carpentry shows in the details: tight joints, paint-ready surfaces, and work that looks like it belongs in the house.

We also handle interior door installation and repair, exterior and entry doors, cabinet and vanity installation, and stair and railing repair. Older homes have tight floor plans and out-of-square openings, and the millwork has to fit without forcing it. That is where the craft shows.

Permits, Repair-or-Replace & What We Do Not Do

Permits and the repair-or-replace decision go together. In most jurisdictions, a permit is commonly required for structural work such as removing or altering a load-bearing wall, replacing beams or joists, and altering exterior decks or stairs. Requirements vary by location and by the scope of the work. We help you understand what applies to your project, but you should verify the specific rules with the St. Louis building department before you start. The same applies to any contractor you hire: you can ask to see proof of insurance, and you should verify any licence or credential independently.

The repair-or-replace decision rests on three factors: how much sound wood is left in the member, whether the water source or pest entry point can be closed, and what the two options cost. We quote both when both are real options. We are fully insured, and we can help you document the damage for an insurance claim, but we cannot promise that a claim will be approved or predict what your coverage will be. That is between you and your insurer. Requirements vary, and thresholds differ by municipality. Always verify with the St. Louis building department before starting your project.