Steady Craftsman — Dry-Rot & Structural Repair
San Francisco/Service areaChange territory

Steady Craftsman · San Francisco

Residential & commercial repair: Dry rot & water-damaged wood
repair in San Francisco.

Repair planning for affected wood at homes and commercial properties. Contact the local team to review your address, project fit and availability; water-source work, drying and remediation are separate scopes.

Call (650) 336-2322 Repair checklist
Opened exterior wall showing a rotted bottom plate beneath the framingRotted bottom plate
Interior arch opened to expose wood framing during drywall restorationOpened arch framing
Completed exterior wall with new panel siding and white trimNew siding & trim
Opened bathroom floor revealing dark, crumbling subfloor and exposed joistsBathroom floor rot
Deteriorated subfloor around an exposed toilet flangeRot around the flange
Opened bathroom floor with exposed joists, insulation and a toilet drain openingHidden floor structure
Ceiling opened around framing during interior drywall restorationCeiling opened
Bathroom floor rebuilt with new subfloor around the toilet openingBathroom floor rebuilt
Ceiling framing exposed above an interior room during restorationCeiling framing
Real Steady Craftsman work Damage found indoors, outdoors, and around openings.Real Steady Craftsman repair projects.

Erwin Borror: your San Francisco craftsman.

Dry-rot repair, exterior trim, decks, fences and home maintenance for 8 San Francisco-area jurisdictions, with 17 neighbouring areas reviewed by address.

Call (650) 336-2322See the full service areaOne call reaches Erwin Borror; the line also answers for other Steady Craftsman territories, so mention San Francisco when you call. Scope, address and timing are confirmed on the call.

See the work

Open the repair gallery.

Open the gallery to see exterior-wall, fascia, bathroom-floor, drywall and porch-railing repair stages.

View project stories

Your San Francisco craftsman

Erwin
Borror.

Your San Francisco craftsman

A local name.
The same Steady Craftsman approach.

Erwin Borror handles Steady Craftsman dry-rot, trim, deck and fence repairs across Daly City, Mill Valley, San Anselmo, Larkspur. Call (650) 336-2322, mention San Francisco, and describe what you’re seeing—the address and scope are confirmed on the call.

Service area
Daly City, Mill Valley, San Anselmo, Larkspur, Fairfax, Piedmont
How to reach
(650) 336-2322
What to have ready
Safe photos and when you first noticed the change
Meet Erwin

Read the service-area qualifications

Real damage. Real project work.

What the surface
can hide.

These are actual conditions found in bathrooms, door openings, exterior walls, eaves, and structural connections. Opening the area reveals what needs to be repaired—not guessed at.

On-site finding

Movement revealed missing support.

The open wall shows missing support at the base. Watch the inspection excerpts recorded before the framing was closed.

Opened exterior wall showing a rotted bottom plate beneath the framing
Rotted bottom plate
Interior arch opened to expose wood framing during drywall restoration
Opened arch framing
Completed exterior wall with new panel siding and white trim
New siding & trim
Opened bathroom floor revealing dark, crumbling subfloor and exposed joists
Bathroom floor rot
Deteriorated subfloor around an exposed toilet flange
Rot around the flange
Opened bathroom floor with exposed joists, insulation and a toilet drain opening
Hidden floor structure
Ceiling opened around framing during interior drywall restoration
Ceiling opened
Bathroom floor rebuilt with new subfloor around the toilet opening
Bathroom floor rebuilt
Ceiling framing exposed above an interior room during restoration
Ceiling framing

One warning sign. A deeper repair.

What was hiding
below the tile.

Opening a bathroom floor can reveal damage around the toilet flange and the wood below. These real photos show the exposed floor, the framing, and the new subfloor. The video shows the finished floor from the same supplied project set.

Deteriorated subfloor around the toilet flange
01 · Damage exposed
Exposed bathroom floor joists and insulation
02 · Floor opened
New plywood subfloor around the toilet opening
03 · Subfloor replaced

Steady Craftsman bathroom-floor repair footage with sound removed for privacy.

Read the surface

The early signs
speak quietly.

You do not need to diagnose the repair yourself. You only need to notice when the material starts behaving differently.

01
Peeling finish and weathered exterior wood trim before repair

Paint starts lifting

Bubbling, peeling, or cracked paint can reveal where water is getting behind the finish.

02
Missing paint and damaged exterior window trim beside exposed piping

Color starts changing

Dark stains and persistent damp patches can point to moisture that is not drying normally.

03
Deteriorated subfloor around an exposed toilet flange

Wood starts giving

A surface that feels soft, swollen, or spongy needs a closer look—not another coat of paint.

04
Close view of a crumbling exterior wood corner with an open joint and moisture damage

Edges start breaking

Crumbling corners, open joints, and separating trim often expose damage already moving inward.

A closer look at the edge

More than peeling paint.

Silent Steady Craftsman footage showing exposed fascia damage.

How we repair wood rot

Not covered up.
Worked through.

  1. 01Find

    Inspect the area

    We trace the visible damage and look for the moisture source behind it.

  2. 02Open

    Expose the full extent

    Loose finishes and compromised material are opened carefully until the boundary is clear.

  3. 03Rebuild

    Return to sound wood

    Damaged material is removed, then the affected detail is repaired or replaced.

  4. 04Protect

    Seal and finish

    The repair is closed, protected, and checked so water has a harder path back in.

Keep it from coming back

Rot prevention is
water management.

Keep water moving off the wood, and give damp spaces room to breathe.

A home protected from moistureRainwater moves through a clear gutter and downspout, drains away from the foundation, while trim remains sealed, crawlspace vents stay clear, and landscaping is kept off the siding.CLEAR GUTTERSSEALED TRIMDRAIN AWAYVENTILATE
Simple maintenance helps stop water from settling where wood cannot dry.
  1. 01

    Keep gutters and downspouts clear, draining away from the house

  2. 02

    Caulk and paint exposed wood before the wet season, not after

  3. 03

    Fix small leaks fast — plumbing, roof, and sprinkler overspray

  4. 04

    Keep soil and mulch off siding, trim, and post bases

  5. 05

    Let crawlspaces and attics breathe; trapped damp air feeds rot

Dry rot & wood repair · Daly City, Marin & San Francisco

Dry rot starts small.
Repair it at the source.

Fog and the marine layer can keep exterior wood damp for long stretches around Daly City, San Francisco and Marin. Coastal salt, wind-driven rain and shaded elevations add stress at siding joints, bay-window sills, fascia, stairs and decks. Victorian and Edwardian homes often have layered wood details where a small opening can feed moisture behind a larger assembly. Daly City also has many Westlake-era homes that pair stucco walls with painted wood trim, while hillside homes across Mill Valley, Larkspur, San Anselmo and Fairfax often place redwood decks beneath tree canopy. Rear stairs, landings and rail connections deserve attention when boards soften, fasteners loosen or paint repeatedly bubbles at the same joint. Steady Craftsman traces the wetting path, opens the affected detail to sound wood, rebuilds what has lost strength and seals the finished repair. San Francisco, Pacifica, South San Francisco and San Rafael are reviewed by address before a project is accepted.

Cities served include Colma, Daly City, Fairfax, Larkspur, Mill Valley, Piedmont, Ross, San Anselmo. Also by property review: Alameda, Albany, Belvedere, Berkeley, Brisbane, Corte Madera, Emeryville, Novato, Oakland, Pacifica, San Bruno, San Francisco, San Leandro, San Rafael, Sausalito, South San Francisco, Tiburon.

How can I tell if it’s dry rot or just peeling paint?

Soft or spongy wood, crumbling edges, dark staining and paint that bubbles at joints can point to damage below the finish. The extent is confirmed by carefully opening the affected area.

Why does wood rot on San Francisco homes?

Fog and the marine layer can keep exterior wood damp for long stretches around Daly City, San Francisco and Marin. Coastal salt, wind-driven rain and shaded elevations add stress at siding joints, bay-window sills, fascia, stairs and decks. Victorian and Edwardian homes often have layered wood details where a small opening can feed moisture behind a larger assembly. Daly City also has many Westlake-era homes that pair stucco walls with painted wood trim, while hillside homes across Mill Valley, Larkspur, San Anselmo and Fairfax often place redwood decks beneath tree canopy. Rear stairs, landings and rail connections deserve attention when boards soften, fasteners loosen or paint repeatedly bubbles at the same joint. The specific source still has to be traced at the property.

Can you repair only the rotted section?

It depends on how far the decay extends. We find the source, open to sound wood, rebuild or replace the affected detail and protect the finished repair.

What affects the cost of dry rot repair in San Francisco?

The extent of damage, height and access, trim versus framing, matching profiles and paint all affect the scope. The assessment establishes what must be opened and rebuilt.

Do I need a permit for dry rot repair in San Francisco?

Trim-only work can differ from structural framing work. Ask during the assessment whether the proposed scope needs review by the applicable San Francisco or county building department.

Which cities do you serve around San Francisco?

Core service cities include Colma, Daly City, Fairfax, Larkspur, Mill Valley, Piedmont, Ross, San Anselmo. Also by property review: Alameda, Albany, Belvedere, Berkeley, Brisbane, Corte Madera, Emeryville, Novato, Oakland, Pacifica, San Bruno, San Francisco, San Leandro, San Rafael, Sausalito, South San Francisco, Tiburon. Call (650) 336-2322 and mention San Francisco so the address and scope can be reviewed.

Prepare your repair details
Sketch the project, then call to arrange an assessment.

Caught something changing?

Show us what
you're seeing.

Start with the visible signs. Call Erwin Borror to talk it through, or organize your notes first with the project planner.

Call (650) 336-2322 Learn about dry-rot repair

Before your San Francisco scope review

Know what to ask before choosing a repair.

A photograph starts the conversation; concealed material and the water source need their own assessment.

View all guides

Project examples do not establish your property's condition or a local project address. Confirm coverage, service fit and availability for your address.

Evidence-backed city repair guides

Use these city guides to review local housing context, moisture paths and the service topics available for the property.

San Francisco · practical preparation

First identify who can authorize the exterior

Keep addresses and photographs for the call; this page collects nothing.

  1. Describe the affected window, door or wall section and whether it is private or shared.
  2. Identify who can authorize assessment and any later opening of finishes; do not assume occupancy is sufficient authorization.
  3. Record a safe access route and any building coordination needed, without including personal details in this tool.
  4. Prepare an address-assignment question separately from the repair question; a partial municipality result does not decide residential eligibility.

Shared Steady Craftsman examples

Explore the company project collection

Browse drywall finish photos and porch-railing, exterior-wall repair sequences. Project locations are unnamed.

Call (650) 336-2322