- Vancouver 360-369-3586
- Portland 503-925-3504
Lake Oswego Plumber
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customer reviews
Lake Oswego’s Best Local Plumber
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“I highly recommend. They were promt, courteous and professional. OWEN did a fantastic job and was really great to work with!!”
Susan Mitcheltree“Dustin and Eli came and installed and stacked our new washer and dryer. We are 78 years old and need help to do these thing! They were professional and kind and patient. I was also impressed with Ashley and Larry who set this up. Dustin and Eli are wonderful young men!”
Misty S“Ciro was incredibly fair and helpful. Drove out 1.5 hours to see me and gave me excellent advice. He gave me fair options, and ultimately recommended a solution that saved me hundreds of dollars on a fix that competitors tried to price-gouge me on. Everett was also amazing when reviewing restoration options. He educated me on what he was…”
Chris Colson“They were quick and did an outstanding job.”
Elizabeth Traut -
“Like many people , I had a pipe burst above my garage during the bad weather in January 2024. Sarkinen plumbing had someone there within a day and a half to do an estimate and set up service 2 days later. The two people who repaired the pipe (Robert and Logan) were friendly and efficient . (As was the woman I spoke with on the phone and Ciro…”
Mary Christensen“I called them this morning, they were extremely responsive. They actually came to my place within 2 hours of my call. They did not ask for any inspection fees or anything or any other fees. They were extremely courteous and friendly and very helpful, I will go back to them again and I highly recommend.”
Luay Aljamal“The Sarkinen Team is wonderful they fixed our air and plumbing problems and handled all the unfun stuff. They made miracles happen words cannot express our gratitude. Thank you, Thank you, Mike and Mary Carlson”
Michael Carlson“Came out and gave a great information on what we need to do. Thank you!”
Steve Miller -
“Very happy with the work !!”
curt ruthruff“From free estimate to completion of job, Sarkinen employees were professional and thorough in their work. Will recommend your company to others.”
Jacqueline Caruso“Honest, professional, reasonably, priced & did the job right! Thank you!”
Cher Shepard“Wonderful Do what they say they will do ,🥰 Lovely people in office and field”
Cindy Severson
Professional Plumbing Services
Residential & Commercial Plumbing Contractor
Hire a Local Lake Oswego Plumber
5-Star Plumbing Service Guarantee
We Deliver Same-Day Service When You Need Help Now
Tony Sarkinen started as an apprentice plumber and journeyman in 1991 and got his experience with several companies throughout Clark County. In 2003, Tony opened his own business which was built on hard work and exceptional customer service. He wanted a business where all his employees treat their customers the way he wanted to be treated. Tony Sarkinen has achieved those goals. Today, the Sarkinen Plumbing team continues to grow and serve the Portland, Oregon, and SW Washington communities in the same manner as when Tony began the company all those years ago. To ensure all work is up to industry standards, our technicians provide our signature 5-star plumbing service and follow our exceptional code of ethics.
Simply put, we are here to provide you and your family with incredible customer service. Sarkinen Plumbing provides quality service to our customers with name-brand reliable products. Our technicians have everything they need to conduct a fast, efficient, and clean work area no matter where the job. We guarantee our work from start to finish and follow up to assure everything is to your satisfaction.
READ MORE ABOUT USLake Oswego Plumbing Experts
Layered Plumbing History in Lake Oswego’s First Addition Homes
A First Addition home in Lake Oswego may have been built in 1920, partially replumbed in 1955, renovated with a kitchen addition in 1982, and updated with a master bath remodel in 2005. Each of those projects added new plumbing connected to whatever existed before, and the result is a system where four generations of materials coexist within the same walls. Galvanized steel supply lines from the original construction may transition to copper through a dielectric union added in the 1950s, which then connects to PEX installed during the most recent remodel. Cast iron waste stacks with lead-caulked joints serve the original bathroom while ABS connects the addition. Each material junction is a potential failure point, and each requires different repair techniques and fittings.
Working in First Addition homes demands a diagnostic approach that accounts for this layered history. We begin by mapping the visible plumbing and identifying which materials serve which fixtures, then use pressure testing and camera inspection to evaluate the condition of pipes hidden behind plaster, lathe, and finished surfaces. When we recommend modernization, we do it in phases that address the most critical systems first — typically the galvanized supply lines, which are the oldest and most deteriorated — while leaving functional copper and PEX in place. The goal is a reliable modern system that does not require gutting the home’s character. We use minimally invasive techniques to access pipes behind original wainscoting and built-in cabinetry, and we restore every surface to match the home’s existing finishes. First Addition homeowners have invested in preserving their home’s history, and our job is to update the plumbing without erasing that work.
Request a repipe consultation
Protecting Lake Oswego’s Finished Basements from Water Heater Failure
Many Lake Oswego homes — particularly in Westridge, Lake Grove, and the larger residences along Oswego Lake — have finished basements that serve as home offices, media rooms, guest suites, and recreation spaces. These lower levels often house the home’s tank water heater, positioned in a mechanical room or utility closet adjacent to living space finished with hardwood floors, built-in shelving, and furnishings that represent significant investment. When a water heater tank reaches end-of-life and begins to leak — or ruptures suddenly — the damage potential in these environments is measured in tens of thousands of dollars. Fifty gallons of water spreading across a finished basement can destroy engineered hardwood, soak drywall to the point of replacement, and damage electronics, artwork, and stored valuables before the homeowner even knows something has gone wrong.
We treat water heater service in Lake Oswego finished basements with urgency that matches the stakes. For emergency failures, we dispatch with water extraction equipment alongside plumbing tools, because stopping the water is only half the job — removing what has already spread is equally critical for limiting damage. For proactive replacements, we inspect the existing emergency drain pan and verify that it is connected to a working drain line, upgrade corroded shut-off valves so water can be isolated quickly, and install a leak detection sensor that alerts the homeowner’s phone at the first sign of moisture. We also discuss whether a tankless conversion makes sense: a wall-mounted tankless unit eliminates the standing water risk entirely, and for Lake Oswego homes where the finished basement square footage has real dollar value, removing a tank water heater from that space is a meaningful upgrade.
Explore water heater solutions
Sewer Root Intrusion from Lake Oswego’s Heritage Trees
Lake Oswego’s tree canopy is one of the most impressive in the Portland metro. Towering Douglas fir, western red cedar, bigleaf maple, and Oregon white oak trees shade the streets of First Addition, Lake Grove, and Mountain Park with canopies that have been growing for decades — and in some cases, more than a century. These trees are protected by city ordinance and valued by homeowners, but their root systems pose a persistent threat to underground sewer laterals. A mature Douglas fir can extend its root network 50 feet or more from the trunk, and those roots naturally seek out the moisture and nutrients present inside a sewer pipe. They enter through hairline cracks, joint gaps, and deteriorated mortar connections, then expand inside the pipe with surprising speed.
Root intrusion in Lake Oswego follows a predictable geographic pattern. First Addition homes with original clay tile laterals from the early 1900s are the most heavily affected because the pipe material is inherently porous and the joints between sections provide easy root access. Lake Grove’s mid-century homes with concrete laterals are the next most common, as the mortar joints in these pipes deteriorate with age. We clear root masses with mechanical cutting equipment that restores full flow, then use camera inspection to assess whether the pipe itself is structurally sound enough for ongoing maintenance or has deteriorated to the point where repair is necessary. For Lake Oswego homeowners who want a long-term solution that does not involve removing heritage trees, trenchless pipe lining seals the pipe interior with a smooth, jointless surface that eliminates root entry points and protects the lateral for decades.
Schedule a sewer camera inspection
Complex Multi-Bathroom Plumbing in Lake Oswego’s Westridge Homes
Westridge sits on the ridge above Lake Oswego’s downtown, where custom and semi-custom homes take advantage of the elevation for panoramic views of the Cascades and the lake below. These are not tract homes with standard plumbing layouts. A typical Westridge residence may have four to six bathrooms, a kitchen with commercial-grade appliances, an outdoor kitchen, a dedicated laundry room, and an irrigation system — all drawing from a single water service. The plumbing complexity rivals a small commercial building, with multiple water heaters or a large-capacity commercial unit, recirculating hot water loops to eliminate wait times at distant fixtures, and a drain system that navigates three or four levels from the top floor to the sewer lateral far below.
Diagnosing a plumbing issue in a Westridge home requires systematic isolation rather than guesswork. When a homeowner reports low pressure in the master bath, the problem could originate at the water service, the PRV, a specific supply branch, a failing cartridge in the shower valve, or a recirculation pump that is not maintaining adequate flow. We test methodically — pressure at the meter, pressure after the PRV, pressure at the branch isolation valve, and flow at the fixture — to identify the exact failure point without wasting time or opening walls unnecessarily. Our technicians carry the diagnostic equipment and the breadth of parts inventory that complex Lake Oswego homes demand, and we communicate our findings clearly so homeowners can make informed decisions about repair or upgrade options.
Request a diagnostic visit
Mountain Park’s Aging Community Plumbing in Lake Oswego
Mountain Park is Lake Oswego’s largest planned community, a development of single-family homes, townhomes, and condominiums built during the 1970s and 1980s on the hillside south of downtown. Managed by one of Oregon’s largest homeowners associations, the community maintains strict architectural and maintenance standards — standards that extend to how exterior plumbing work is performed, vented, and finished. The homes themselves are now 40 to 50 years old, and the plumbing reflects that age. Galvanized supply lines, cast iron waste stacks, and original tank water heaters have all reached or exceeded their expected service life. The multi-unit buildings face additional challenges: shared plumbing risers, stacked drain systems where one unit’s blockage affects the unit below, and common-area pipe runs that require HOA coordination for repair.
We work with both individual Mountain Park homeowners and the HOA management on plumbing projects that range from single-unit repipes to building-wide drain cleaning campaigns. Our familiarity with Mountain Park’s architectural review process means we prepare documentation and scope details in advance, avoiding the back-and-forth delays that catch less-experienced contractors off guard. For townhome and condominium units, we coordinate with neighbors who share walls and plumbing stacks, scheduling work to minimize disruption across units. When we repipe a Mountain Park home, we route new PEX supply lines to match the home’s existing wall and ceiling structure, patch every access point to match surrounding finishes, and leave the exterior appearance unchanged — because Mountain Park homeowners and their HOA both expect nothing less.
Get a repipe estimate
Why Lake Oswego Homeowners Choose Sarkinen
Upfront, Fair Pricing
No hidden fees, no overtime charges. You get a clear, written price before any work begins. Same rate day or night.
Licensed in WA & OR
Dual-state licensing (WA #SARKIPI946MF, OR #170052) means we serve the entire Portland-Vancouver metro.
24/7 Emergency Service
We answer the phone day and night. A licensed plumber is dispatched immediately — at your door within 60-90 minutes.
Satisfaction Guaranteed
Every repair backed by our workmanship guarantee. Background-checked, drug-tested plumbers who treat your home with care.
Serving Every Lake Oswego Neighborhood
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Contact Sarkinen Plumbing
- Services in Portland
503-925-3504Services in Vancouver
360-369-3586
Call for Emergency Services
Meet Our Team of Professionals
Carlos
Plumbing Helper
Ciro
Plumbing Technician
Dylan
Plumbing Technician
Matthew F
Plumbing Technician
Mick C
Plumbing Technician
Mike
Plumbing Technician
Robert
Plumbing Technician
Sebastian
Plumbing Technician
Tim
Standard Shop Technician
Ricky
Camera Technician
Marco G
Camera Technician
Alex G
Drain Technician
Leighton
Drain Technician
Chris D
Drain Technician
Michael W
Drain Technician
Lake Oswego Plumbing Questions & Answers
Yes, and we have extensive experience doing so. We understand that First Addition homes require a different approach than new construction. We access pipes through existing openings whenever possible, use minimally invasive techniques to avoid unnecessary damage to plaster walls and original woodwork, and coordinate with general contractors and preservation specialists when a plumbing project intersects with a broader renovation. Our goal is always to modernize the plumbing without compromising the home’s historic character.
We do. Lakefront homes on Oswego Lake have unique plumbing elements including outdoor showers, dock supply lines, boat house plumbing, and irrigation systems that require seasonal startup and winterization. We are familiar with the easement and access considerations that lakefront properties involve and can schedule service around dock restrictions and lake-level fluctuations that affect access to waterside plumbing.
Absolutely. Recirculating hot water systems are common in larger Lake Oswego homes where long pipe runs between the water heater and distant fixtures would otherwise result in long waits for hot water. We service all types — timer-controlled, demand-activated, and continuous circulation — and can troubleshoot issues ranging from pump failures and check valve malfunctions to temperature fluctuation and excessive energy consumption. We also install new recirculating systems for homeowners who want instant hot water at every fixture.
Speed and damage mitigation are our priorities. When a water heater ruptures or a supply line bursts in a finished basement, we dispatch immediately with both plumbing repair tools and water extraction equipment. Our first action is always containment — shutting off the water source and beginning extraction to minimize damage to flooring, walls, and furnishings. Only after the emergency is stabilized do we discuss the repair or replacement plan. We also photograph the damage for your insurance documentation.
We provide the same transparent, upfront pricing in Lake Oswego that we offer throughout our service area. The cost of a specific repair or installation depends on the scope of work, materials required, and complexity of access — not on the zip code. We present a written quote before beginning any work, and we do not adjust pricing based on the perceived value of your home. You get fair, honest pricing backed by quality workmanship and clear warranties.
Schedule Your Lake Oswego Plumbing Service
Licensed in Oregon (#170052). Same rate day or night. Call now or book online.
- Vancouver 360-369-3586
- Portland 503-925-3504
Vancouver Location
Proudly Serving
Portland and Vancouver
from Wilsonville to Longview &
Hillsboro to Gresham
UBI # 602-521-027
OR Contractor Lic# 170052 (CCB)
WA Contractor Lic# SARKIPI946MF
OR Plumber Lic# PB115
Customer Satisfaction
4.6 stars - Based on 227 Reviews
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Plumbing Services
SW Washington Service Areas
Oregon Service Areas
Contact Information
Sarkinen PlumbingVancouver
9502 NE 72nd Ave
Vancouver, WA 98665
Phone: 360-369-3586
Portland
Phone: 503-925-3504
Hours of Operation
Monday - Sunday 24-hours