Business Details
20 Years
experience
Emergency
services
Seattle's Trusted Residential Plumbing Experts
Knockout Plumbing & Mechanical is a family-owned plumbing company serving Seattle since 2006. Our team specializes in residential remodels, hot water heaters, sewer repairs, repiping, and fixture installations, delivering high-quality solutions for homeowners, builders, and businesses. With expertise in Seattle's unique housing needs, we prioritize transparent pricing, code-compliant workmanship, and 24/7 emergency services.Our licensed technicians combine advanced tools like hydro jetting and camera inspections with personalized service to address everything from routine maintenance to complex system failures. Backed by 5-star Google Reviews and certifications in gas line safety and water heater installations, we ensure lasting results through honest communication and community-focused values.
Services
Drain Cleaning
Gas Line Services
Water Heater Installation
Remodeling Plumbing
Leak Detection
Sump Pump Installation
Emergency Repairs
Details
- Year established: 2006
Highlights and features
- Family-owned with 19 years of Seattle-specific plumbing expertise
- Licensed, bonded, and insured technicians for code-compliant work
- 24/7 emergency services with rapid response times
- Transparent pricing with no hidden costs
- Certified in gas line safety and tankless water heater installations
What people say
Great service
Professional technicians
Quick response
Honest pricing
5-star workmanship
Services
Drain Cleaning
Our drain cleaning and sewer repair services use hydro jetting and camera inspections to resolve clogs, backups, and damaged lines. We provide emergency snaking and long-term pipe solutions for residential and commercial properties. Our technicians ensure clear, code-compliant systems with minimal disruption.
Gas Line Services
From leak detection to full replacements, our certified technicians handle gas line installations and repairs. We ensure safe, code-compliant systems for appliances, outdoor hookups, and commercial needs. Emergency services address leaks and pressure issues with 24/7 availability.
Water Heater Installation
We install and repair tankless, gas, electric, and combi-boiler water heaters. Our team ensures efficient, code-compliant installations with brands like Bradford White and Navien. Services include sizing recommendations, permit handling, and same-day replacements for urgent needs.
Remodeling Plumbing
Specializing in bathroom and kitchen remodels, we handle fixture relocation, new layouts, and ADU/DADU rough-ins. Our team coordinates with contractors for code-compliant rough-ins, valve upgrades, and drain rerouting to ensure seamless, inspection-ready results.
Leak Detection
Using electronic leak detection and camera inspections, we identify hidden leaks under floors, slabs, or walls. Our non-invasive repairs address burst pipes, slab leaks, and water line failures, preventing structural damage while preserving property integrity.
People
Zach
Lead Plumber
Zach is a skilled plumber with over 15 years of experience in residential repairs and installations. Customers praise his integrity, attention to detail, and follow-up care, ensuring long-term satisfaction with every project.
Colin Forster
Project Coordinator
Colin manages client communications and project timelines, known for his calm demeanor and problem-solving skills. He ensures seamless coordination between homeowners, contractors, and technicians for efficient service delivery.
Questions
What areas do you service?
We serve Seattle and surrounding areas including Everett, Bellevue, Kirkland, Renton, Snohomish, and Federal Way.
Do you offer emergency plumbing services?
Yes, we provide 24/7 emergency services for urgent issues like burst pipes, leaks, and sewer backups.
What plumbing services do you specialize in?
We specialize in drain cleaning, gas line repairs, water heater installations, bathroom/kitchen remodels, and leak detection.
Are you licensed and insured?
Yes, we are fully licensed, bonded, and insured for residential plumbing work in Washington State.
How can I schedule a service?
Call (206) 858-2211 or request a free quote online for immediate assistance and same-day appointments.
