Wood Rot & Dry Rot Repair Portland, OR 97205

Carpentry in Portland, OR (97205) · Local Professionals

Portland Carpentry · Fast response in Portland and the Portland area · Free estimate 24h

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Portland's early-1900s craftsman bungalows and foursquares were built to last, but the city's relentless rain and marine west coast climate have made wood rot the defining carpentry problem in nearly every neighborhood.

Homeowners in Portland and the surrounding areas call Portland Carpentry when rot appears in a sill plate, a deck frame softens underfoot, or structural framing needs repair. We've been doing this work since 2016, and we know the specific moisture challenges that come with living in a city where Douglas firs tower overhead and the rain spreads across nine months of the year.

Carpentry in Portland (97205)

Portland's character comes from its housing stock. Irvington and Alameda hold historic foursquares and craftsman mansions with deep eaves and covered porches. Ladd's Addition's radial street grid frames Victorian and craftsman homes on tight, sloped lots. Northwest Portland's Nob Hill, the converted warehouse lofts of the Pearl District, and neighborhoods across the eastside and westside suburbs all share one thing: wood that spends half the year damp. Moss and algae coat siding, fascia, and deck boards. The constant moisture softens wood fibers year after year. Carpenter ants thrive in that softened wood. Dry rot advances quietly through rim joists and sill plates. A floor that feels bouncy or goes slightly out of level often signals advancing rot in the subfloor or floor joists beneath.

We've served Portland and the surrounding areas since 2016. Our team handles wood rot repair, structural carpentry, finish work, and the full range of repairs that come with maintaining older homes in a wet climate. We work from honest assessment, not replacement for its own sake, and we explain what we find.

Our services in Portland

Wood Rot & Dry Rot Repair in Portland · Portland's mild; rain-soaked climate keeps moisture sitting against siding…
Termite Damage Repair in Portland · Termites are uncommon in Portland's cool; wet climate…
Floor Joist & Subfloor Repair in Portland · Sagging; bouncy or soft floors in Portland's older homes usually trace to…
Beam Replacement & Load-Bearing Wall Removal in Portland · Open-concept conversions and failing beams call for real structural carpentry.
Framing & Structural Carpentry in Portland · Remodel framing done right: new interior walls; garage and ADU build-outs…
Finish & Trim Carpentry in Portland · The details that separate a real finish carpenter from a handyman…
Crown Molding & Baseboard Installation in Portland · Crown molding; baseboards and trim installed with the coped joints and clean…
Custom Built-Ins & Shelving in Portland · Built-in bookshelves; window seats…
Interior Door Installation & Repair in Portland · Doors that stick or swing open on their own are common as Portland's humidity…
Exterior & Entry Door Installation in Portland · Entry; back and French doors installed weather-tight against Portland's long…
Cabinet & Vanity Installation in Portland · Precise installation of kitchen cabinets and vanities…
Stair & Railing Repair in Portland · Squeaky treads; loose banisters; worn stringers…
Deck & Porch Repair in Portland · Nothing tests a deck like a Portland winter, moss…
Fascia, Soffit & Exterior Trim Repair in Portland · Peeling paint and soft; moss-covered fascia boards are Portland's classic…

How a Job Works in Portland

We start with a free on-site assessment. You describe what you've noticed, we look at the damage, and we explain what's happening. We take time to understand the property, the drainage, the lot access, and any permits that might apply. For structural work like beam replacement or load-bearing wall removal, we'll discuss whether your local building department will require a permit, and we'll recommend you verify those rules directly with them. We'll also explain whether a licensed structural engineer needs to size the new beam or header.

The work itself depends on what we find. A wood rot repair in a sill plate or fascia might take a day or two. A floor joist sistering job (reinforcing the damaged joist with new framing bolted alongside) takes longer and requires us to work carefully around the house. Finish carpentry like trim, crown molding, or door installation fits into the schedule based on your timeline. We coordinate with other trades if plumbing, electrical, or HVAC work is happening nearby. On tight lots in neighborhoods like Ladd's Addition or Nob Hill, we plan access and material staging in advance.

We leave your property clean. Final walkthrough happens with you, and we answer any questions about the work we've done and how to maintain it going forward.

Pricing depends on the scope, access, and condition of the wood. Wood rot repair in a sill or fascia typically runs from $650 to $2,500, depending on how far the rot has spread and whether we can repair the wood or need to replace it. A floor joist and subfloor repair starts around $1,800 and climbs with the number of joists and the size of the affected area. Finish carpentry, trim, and crown molding start at $450 to $550 for straightforward installations, and custom built-ins or cabinetry run from $1,100 to $1,900 or more. Structural work like beam replacement or load-bearing wall removal starts at $3,500 and scales with the span, the load, and the complexity of the framing. Call us at (971) 626-5447 for a free estimate. We'll look at the work, explain what we see, and give you an honest ballpark before we start.

✅ Fully Insured, fully insured for work in Portland and nearby areas.

I noticed soft spots in my deck frame and some gray discoloration on the rim joist. Is this an emergency?

It's not an emergency, but it does need attention soon. Gray discoloration and soft wood are signs of advancing dry rot. The longer the rot sits, the more wood it damages and the more expensive the repair becomes. Call us at (971) 626-5447 to schedule a free assessment. We'll look at how far the rot has spread and whether we can sister the joist or need to replace the entire rim board. Most jobs like this can be scheduled within a few weeks.

My home inspector found carpenter ant damage in the subfloor. What do I do?

Carpenter ants thrive in the moisture-softened wood that Portland's rain creates. Your inspector's report is the starting point. We repair and replace the damaged wood, removing the softened framing and installing new pressure-treated lumber or solid wood where needed. Pest control (treating the ants themselves) is a separate trade and not part of our work. We work from your inspection report and focus on restoring the structural integrity of the floor. Call us at (971) 626-5447 to discuss the scope and get a repair estimate.

What does a typical wood rot repair cost in Portland?

A small wood rot repair in fascia or siding might start at $650 to $1,200. A larger repair involving a sill plate, rim joist, or multiple floor joists typically runs $1,800 to $3,500 or more, depending on how much wood is damaged and whether we can repair it or need to replace it. The best way to know is to have us come look at it. Call (971) 626-5447 for a free estimate, and we'll give you an honest ballpark before we start.

Do I need a permit if I'm replacing a beam or removing a load-bearing wall?

Yes, structural work typically requires a permit from your local building department. Beam replacement, load-bearing wall removal, and significant joist or subfloor work all fall into that category. Requirements and thresholds vary by location, so you'll want to contact your building department directly to verify what applies to your property. Many structural projects also benefit from a licensed structural engineer to size the new beam or header. We can discuss whether that's needed when we assess the work.

I live in a historic neighborhood like Irvington or Ladd's Addition. Do I need HOA approval for carpentry work?

Some neighborhoods have design guidelines or HOA rules that apply to exterior work like trim, fascia, or deck repairs. If your neighborhood has an HOA or historic review board, check your covenants or contact your HOA board before we start. For interior work like finish carpentry, trim, or door installation, approval is rarely needed. We're happy to coordinate with your HOA if required, and we can discuss any restrictions when we come to assess the job.

Are you fully insured?

Yes. We carry general liability and workers' compensation insurance. All of our crew is covered. If you're filing an insurance claim for damage we're repairing, we can help document the work and damage to support your claim. We cannot guarantee that a claim will be approved or that the work will be covered, but we'll provide clear documentation of what we found and what we did.

What's the best time of year to do carpentry work in Portland?

Portland's rain is persistent from October through May, so summer and early fall are the best windows for exterior work like deck repair, fascia replacement, or siding work. Interior finish carpentry can happen anytime. If you have active wood rot or structural damage, though, we don't wait for the season. Rot advances year-round in Portland's moisture, so we schedule assessments and repairs as soon as you call. The sooner we address it, the less wood damage spreads and the lower the final cost.