When water, fire, or mold strikes your Walla Walla home or business, every minute matters. O So Kleen is the trusted restoration company serving Walla Walla, College Place, and all of Walla Walla County. Our IICRC-certified crews handle water damage extraction, structural drying, mold remediation, fire and smoke cleanup, bio-hazard response, and full reconstruction—with direct insurance billing to take the paperwork off your plate.
Whether it’s a burst pipe in a century-old Craftsman near the historic downtown district, mold beneath a College Place duplex, or smoke damage in an Eastgate family home—we respond immediately, document every step, and restore your property the right way.
Taija CoffeyTrustindex verifies that the original source of the review is Google. We recently had the HVAC duct and vent cleaning. LEO did a super job.. even had to crawl under the house. Would highly recommend!!! Thanks again, LEO!!! Fiona Marie BuickTrustindex verifies that the original source of the review is Google. Jose and Juan were professional and meticulous in their work. I was thrilled with the end result and very impressed with their communication and work ethic. Tucker AmosTrustindex verifies that the original source of the review is Google. Wonderful experience they did an amazing job, especially answering any questions that we had Pam SchulzTrustindex verifies that the original source of the review is Google. They did a fantastic job !!!!! Thank you!!! Malia ColcordTrustindex verifies that the original source of the review is Google. We have been very pleased with everyone that we have come in contact with, both over the phone and in person, taking care of our water mitigation, insulation, and new flooring. Everyone has been polite, Professional and punctual. We will recommend O So Kleen Company to anyone. Thank you for everything. Danny AngelTrustindex verifies that the original source of the review is Google. Had a great experience with O So Kleen! Juan and Jose were fantastic! Great communication and were patient with animals we had in the house. House looks great after the flood! Raelynn LopezTrustindex verifies that the original source of the review is Google. 6/5 stars. Elijah was easy to work with and very professional. Quality work done quickly. Jake MadisonTrustindex verifies that the original source of the review is Google. HVAC guy screwed up and didn't get the filter cap back on right....24 hours later I went downstairs and found this...3" deep. The gentleman showed up quickly, were super polite, and did an exceptional job. Highly recommend. Philip RnadTrustindex verifies that the original source of the review is Google. Overall great service. The water mitigation quick and efficient. Juan just finished installing a new kitchen floor for us (in Irrigon) and was terrific. The floor is immaculate. He was courteous and professional, and installed a floor that we can be proud of. He deserves a raise. Thank you, Juan!! Phil and Lu Rand Randall GosseenTrustindex verifies that the original source of the review is Google. Phil Sexton has been a great help in explaining everything he’s doing and why. He is very accommodating and professional.














Walla Walla’s unique position in the Columbia Basin creates year-round restoration risks that most homeowners don’t anticipate until it’s too late.
Freeze-thaw pipe bursts. Winter overnight lows regularly drop below 20°F. Uninsulated pipes in the crawl spaces and exterior walls of Walla Walla’s many Victorian-era and early 1900s homes are highly vulnerable—and a single burst can release hundreds of gallons before it’s detected.
Mill Creek flooding. Mill Creek runs directly through the city and has a documented history of overflowing its banks during heavy Blue Mountain snowmelt in late winter and early spring, flooding basements and ground-level commercial spaces along its corridor.
Wine country property risks. Walla Walla’s 100+ wineries and vineyard properties run irrigation lines year-round. Aging vineyard infrastructure, tasting room plumbing, and converted agricultural buildings are especially prone to water intrusion and mold in spaces that go unoccupied for weeks at a time.
Wildfire smoke infiltration. Eastern Washington wildfire seasons regularly push smoke into Walla Walla Valley, saturating HVAC systems, soft furnishings, and wall cavities in homes and businesses miles from any active fire.
Humidity swings. The sharp contrast between Walla Walla’s hot, dry summers and its cold, wet winters creates the exact moisture conditions where hidden mold colonizes behind baseboards, under flooring, and inside bathroom walls—often undiscovered for months.
Our process is designed to be fast, transparent, and as stress-free as possible for Walla Walla homeowners and business owners.
Step 1—Call us 24/7. Call 541-567-2603 and a live team member answers immediately—no answering service, no voicemail, no callbacks.
Step 2—We dispatch right away. A crew heads toward Walla Walla immediately. Expect us on-site within 45–75 minutes under normal conditions via US-12 or US-395.
Step 3—Full damage assessment. Our IICRC-certified lead technician uses moisture meters, thermal imaging cameras, and detailed photo documentation to build a complete picture of the loss—formatted to meet your insurance carrier’s requirements.
Step 4—Immediate mitigation. We start work the moment assessment is complete: water extraction, area containment, smoke and soot removal, or mold containment—depending on the loss type.
Step 5—Drying and treatment. Industrial drying equipment is placed strategically throughout the affected area. We take daily moisture readings and track drying progress against IICRC S500 standards until the structure is verified dry.
Step 6—Reconstruction. When rebuilding is needed—drywall, flooring, cabinetry, paint, trim—our in-house build team handles it. One company, one scope, from first call to final walk-through.
Insurance direct billing. We handle documentation and bill Allstate, State Farm, Farmers, USAA, Liberty Mutual, Progressive, Travelers, Safeco, AAA, The Hartford, Geico, Allied, and most other carriers directly.
Q: How fast can O So Kleen reach Walla Walla in an emergency?
A: We dispatch 24/7 and typically arrive within 45 to 75 minutes of your call, traveling via US-12 or US-395 depending on your location. For active flooding we begin water extraction the moment we arrive to stop further damage.
Q: Does homeowner’s insurance cover water damage in Walla Walla?
A: Most policies cover sudden and accidental damage—burst pipes, appliance failures, storm roof leaks—but exclude long-term seepage and natural flooding. Given Mill Creek’s history of overflowing through the city, homeowners in low-lying areas near the creek corridor should consider separate flood coverage. O So Kleen documents every loss with photos, moisture logs, and itemized scopes formatted for your carrier. We bill insurance directly so you’re not out-of-pocket while the claim processes.
Q: What should I do before your crew arrives?
A: If it’s safe—shut off the main water valve, switch off electricity to affected areas at the breaker, move valuables to a dry space, and take photos. Don’t use a household vacuum on standing water and don’t run fans alone—improper DIY drying leaves residual moisture that becomes mold within 48–72 hours.
Q: How long does mold remediation take?
A: Most residential projects take 2–5 days. Walla Walla’s older housing stock—particularly Victorian and Craftsman homes in the historic district—often has mold that has colonized wall cavities for months or years before discovery. Our process includes HEPA-filtered negative-air containment, removal of contaminated materials, antimicrobial treatment, and clearance verification before we begin reconstruction.
Q: Can you also handle reconstruction after restoration?
A: Yes—we’re a licensed Washington contractor (WA-OSOKLSK901ON) and our in-house build team handles drywall, flooring, cabinetry, paint, and structural repairs directly. No third-party contractors, no coordination headaches.
Q: Do you serve commercial properties, wineries, and agricultural buildings?
A: Absolutely. We work with offices, restaurants, wineries and tasting rooms, retail spaces, warehouses, clinics, schools, and multi-family buildings throughout Walla Walla County. Commercial crews are available for after-hours work to minimize business interruption.
Q: What communities do you serve around Walla Walla?
A: We serve all of Walla Walla County—including College Place, Waitsburg, Dayton, Burbank, Prescott, Touchet, Lowden, Dixie, and Berney Springs—plus neighborhoods throughout the city: the historic downtown district, Eastgate, the West Side, South Side, and areas surrounding Whitman College.