Remodeling a Bathroom in an Older Washougal Home: Updating a Riverfront Mid-Century Layout

Why so much of older Washougal needs this conversation

Washougal grew up as a riverfront town on the Columbia, anchored by the historic Pendleton Woolen Mills, and the walkable blocks around downtown and the waterfront still carry a real concentration of mid-century homes — modest footprints, a single full bathroom, and, very often, original fixtures that have never been touched. That is a different renovation problem than the newer subdivisions rising toward the Gorge foothills, where the layout is usually fine and the upgrade is cosmetic.

It is not a Washougal-specific quirk that older homes need more than a cosmetic refresh — it is a national pattern. NAHB reports the median owner-occupied U.S. home is now 42 years old, up from 31 in 2005, and roughly 47% of owner-occupied homes were built before 1980. Downtown and riverfront Washougal's housing stock sits well inside that older cohort, which is exactly why bathroom remodels here so often turn into a conversation about what is behind the wall and under the tub, not just what is on the surface.

The layout: a mid-century footprint built for a different household

A lot of these bathrooms share the same bones: a narrow tub-shower combo along one wall, a compact vanity, and just enough floor space to turn around. It was a reasonable layout for the era, but it rarely matches how a household actually uses a bathroom today — no separate shower, minimal storage, and a fixed tub that some households never use.

Widening a doorway a few inches, relocating a vanity, or converting the tub-shower to a larger walk-in shower are the most common layout changes we see in this housing stock, and they are almost always paired with the plumbing and electrical work below rather than done as a standalone cosmetic swap.

The original surround and fixtures: what has actually reached end of life

Many of these bathrooms are still on their original tub-shower surround — often a one-piece fiberglass or tile unit installed decades ago, with a caulk line as the primary defense against water getting behind it. This Old House notes that early- and mid-20th-century homes commonly still carry cast iron or galvanized steel supply piping, the standard before copper and, later, PEX took over. Galvanized pipe corrodes from the inside as its zinc coating wears away, typically over a 40-50 year service life that a lot of Washougal's older housing stock has already reached or exceeded.

A second problem compounds the first: galvanized pipe connected directly to newer copper fittings sets up galvanic corrosion between the dissimilar metals, accelerating failure right at the joint. A bathroom remodel is the practical moment to address this — once a wall is open for a new shower valve or vanity plumbing, re-piping that run in PEX or copper costs far less than an emergency repair after a wall has already failed.

• Reduced pressure, discolored water, or fluctuating temperature at multiple fixtures are common signs of galvanized pipe nearing the end of its service life.
• A worn caulk line at an original tub-shower surround is a sign the waterproofing behind it may already be compromised, not just a cosmetic issue.
• Re-piping while a wall is already open for a remodel is dramatically less disruptive than a standalone repipe project later.

Ventilation: an old bathroom fan was never sized for today's code

A lot of mid-century Washougal bathrooms have a small, weak exhaust fan — or none at all, relying on a window that does not get opened most of the year. That gap matters more here than it would in a dry climate: outdoor air near the Columbia River stays damp for a large share of the year, so an underpowered fan (or an open window) does far less work clearing moisture than it would somewhere drier.

Getting ventilation right is a big enough topic that we cover the humidity targets, fan sizing (CFM), and run-time guidance in a dedicated resource rather than repeating it here — see our marine-climate bathroom moisture control guide for the full breakdown. The short version for an older-home remodel: an original bathroom fan almost never meets today's sizing guidance, and it is one of the easiest upgrades to fold into a remodel that is already opening the ceiling.

Lead paint: a real rule for pre-1978 Washougal homes

If your home was built before 1978, EPA's Renovation, Repair and Painting (RRP) Rule applies to any paid work that disturbs painted surfaces — trim removal, wall demolition around an old tub, anything that generates dust from old paint layers. The rule requires the firm doing the work to be EPA-certified and its crew trained or supervised in lead-safe practices, specifically to keep lead dust out of the air your family breathes.

This is worth confirming with any contractor bidding an older Washougal bathroom before work starts, not after demo has already begun. It is a straightforward box to check, but it is a legal requirement, not a suggestion — and it exists because lead dust from a renovation is a genuine health hazard, not a hypothetical one.

What to keep: the character that makes it your house

Not everything old needs to go. Original tile, trim, and fixture styling in a mid-century Washougal home can often be echoed rather than erased — a period-appropriate tile scale, a fixture finish that reads right for the era, and trim proportions that match the rest of the house. Where a single original tub-shower no longer fits how a household actually bathes, a tub-to-shower conversion in Washougal is the more common outcome, but it does not have to look like a showroom insert dropped into an old shell.

The goal on a house like this is a bathroom that works like a modern one and still feels like it belongs in the home it is in — not a full erasure of what made the house distinctive in the first place.

Sequencing the remodel so surprises do not blow up the budget

The single biggest risk in an older-home bathroom remodel is not any one of these issues — it is discovering more than one of them after the wall is already open. A remodel that assumes the plumbing, ventilation, and waterproofing are all original and untouched, and prices a contingency for that, holds together far better than one that assumes a straightforward cosmetic swap.

That means an early walkthrough matters more here than in a newer Gorge-foothills home: identifying pipe material, checking whether the exhaust fan actually vents outdoors (some older installs just dump into the attic), and confirming the home's build year against the 1978 lead cutoff, before a final scope and price are set.

Permits and licensing: not optional for this scope of work

Plumbing re-pipes, electrical work, and structural changes in a Washougal bathroom remodel all require a permit from the City of Washougal Building Permitting division (211 39th Street), which reviews the work against the state-adopted building and plumbing codes. Our Camas bathroom remodel permit guide walks through what triggers a permit and what the review timeline typically looks like for this part of Clark County — the process is materially similar across the county's cities.

Confirm your contractor separately: Washington L&I requires all contractors to be registered, bonded, and insured under RCW 18.27, and a city cannot legally issue a building permit to an unregistered contractor. Verifying registration before signing anything is a five-minute check that protects you on a project with this much behind-the-wall work.

How Camas Bath approaches an older Washougal home

We treat an older downtown or riverfront Washougal bathroom differently from a newer Gorge-foothills remodel from the first walkthrough — checking pipe material, resizing ventilation to current guidance, confirming the lead-paint cutoff, and pricing waterproofing and materials to today's standard rather than assuming the existing assembly is sound. The goal is a bathroom that works like a modern one and still looks like it belongs in the house it's in.