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Cedar Hills and Murray Hill represent the first wave of Beaverton’s postwar suburban expansion, with homes built between the early 1960s and late 1970s that still carry their original galvanized steel supply lines. After 50 to 65 years of daily use, these pipes have developed substantial interior corrosion — iron oxide scale has built up in concentric layers, narrowing the effective pipe diameter until water flow becomes noticeably restricted. Homeowners in these neighborhoods describe the progression as gradual: first the upstairs shower lost its force, then the kitchen faucet slowed, and eventually filling a bathtub became a 20-minute exercise in patience.
The problem with patching galvanized pipe is that every inch of the system is in the same deteriorated condition. Fixing one leak or replacing one corroded fitting does nothing for the hundreds of feet of equally corroded pipe behind the walls. A whole-house repipe to PEX replaces everything — the main trunk, every branch line, every riser, and every fixture connection — with a material that will never corrode internally. For Beaverton’s split-level homes in Cedar Hills and Murray Hill, our team plans the route carefully to accommodate the staggered half-levels that make these homes architecturally interesting but plumbingly complex. Most split-level repipes take two to three days, and the improvement in water pressure is immediate and dramatic.
Learn about Beaverton repiping
Sexton Mountain sits at one of Beaverton’s highest elevations, and many of its homes were built during the 1980s — the decade when polybutylene pipe was installed in thousands of Pacific Northwest homes. Polybutylene is a gray, flexible plastic pipe that was cheap and fast to install, making it attractive to builders working through Beaverton’s 1980s construction boom. The material’s fatal flaw emerged over time: chlorine and chloramine in municipal water degrade the pipe from the inside, causing micro-fractures that propagate silently through the pipe wall until a fitting or section ruptures without warning.
Sexton Mountain’s elevated position adds another wrinkle. The higher elevation means municipal water pressure at these homes is already lower than at valley-floor addresses, and Sexton Mountain homeowners are accustomed to dealing with pressure that feels adequate but is not generous. If polybutylene pipes are restricting flow even slightly through partially degraded fittings, the combined effect of elevation and pipe deterioration can make the pressure feel inadequate at every fixture. A PEX repipe eliminates the polybutylene risk entirely and, with properly sized trunk lines, can actually improve pressure delivery to Sexton Mountain’s upper-floor bathrooms. We recommend that any Sexton Mountain homeowner with an unverified 1980s pipe system schedule a free inspection — identifying polybutylene before it fails prevents catastrophic water damage.
Request a free pipe inspection
Beaverton homeowners considering a whole-house repipe overwhelmingly choose PEX, and the reasons are practical. PEX costs roughly one-third less than copper in material alone, and the labor savings from its flexibility — it bends around corners and through wall cavities without requiring soldered fittings at every turn — further reduce the project cost. For Beaverton’s split-level homes with their half-level transitions and interior wall risers, PEX’s ability to make smooth turns through tight spaces translates directly into fewer wall openings, less drywall patching, and a shorter project timeline.
PEX also handles Washington County’s water chemistry without issue. The Tualatin Valley Water District and Portland Water Bureau both supply water to Beaverton addresses, and both sources interact differently with pipe materials over time. PEX is inert — it does not corrode from either soft Bull Run water or harder Tualatin Valley water. It carries a 25-year manufacturer warranty, resists freeze damage better than copper, and produces no metallic taste in the water. For Progress Ridge homeowners whose 1990s to 2010s homes have not yet needed repiping, PEX is also the material that was likely used in their original construction — confirming that the industry has already voted on the material question.
Get a Beaverton repiping estimate
Whole-house repiping in Beaverton requires a plumbing permit through Washington County’s development services division. The permit ensures that the new pipe system is installed to current Oregon Plumbing Code standards, with proper sizing, adequate support, correct fixture connections, and appropriate pressure regulation. Sarkinen Plumbing handles the entire permit process — from application through final inspection — as part of every Beaverton repipe project. Our familiarity with Washington County’s inspection requirements means projects pass inspection on the first visit, without the delays and callbacks that can extend timelines.
The inspection process also benefits the homeowner directly. A permitted and inspected repipe creates a documented record that the plumbing has been upgraded to current code — a valuable asset when selling the home or making insurance claims. Unpermitted plumbing work, by contrast, can create legal and financial complications that far outweigh any short-term savings. Every Beaverton homeowner who repipes with Sarkinen receives a complete project package: the permit number, inspection records, pipe material specifications and warranty documentation, and a detailed scope of work that can be presented to buyers, insurers, or appraisers at any time.
Call 503-925-3504 for permit details
Beaverton’s real estate market moves quickly, and home inspections in this market are thorough. Inspectors working in Cedar Hills, Murray Hill, and Sexton Mountain know exactly what pipe materials to expect based on the home’s age, and galvanized steel and polybutylene are both red flags that generate immediate inspection recommendations. A buyer receiving an inspection report that flags aging galvanized supply lines will either negotiate a substantial price reduction, request a repiping credit, or walk away to a home without that liability. For sellers, the math is clear: proactive repiping costs less than the typical price reduction buyers demand when the inspection reveals the problem.
Beyond the financial calculation, repiping transforms the daily experience of the home for current owners. Showers run at full force. Multiple fixtures can operate simultaneously without pressure drops. The rust-tinged water that appeared every morning from corroded galvanized pipes is gone entirely. For Beaverton families planning to stay in their homes for years to come, the quality-of-life improvement justifies the investment on its own terms. The resale benefit is a bonus that pays dividends whenever the home eventually changes hands.
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Check exposed pipes in your basement, crawl space, or utility area. Galvanized pipes are steel gray in color and often show rust or mineral buildup at joints. A magnet will stick to galvanized pipe but not to copper. If your Beaverton home was built before 1965, there is a strong chance it has galvanized supply pipes.
Homes built between 1978 and 1995 may have polybutylene pipe, which is a gray or blue-gray flexible plastic. Check exposed pipes in your crawl space or near the water heater. Polybutylene was discontinued because of its tendency to crack and leak at fittings. If present, repiping is strongly recommended before failure occurs.
Repiping involves accessing pipes inside walls through small openings, which creates some noise and minor dust. We use drop cloths and dust barriers to contain the mess. Water is off during work hours but restored each evening. The project typically takes two to three days for a standard Beaverton home. Wall openings are patched before we leave.
Call now or schedule online.