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At Biddle Contracting Services, we’ve been serving Seattle, Tacoma, and surrounding cities for 50 years. We provide top-rated residential plumbing and commercial plumbing for local homes and businesses. From leak detection and pipe repair to full system installation, we’re the plumber in Seattle that Washington trusts.
Since 1977, our family-owned company has taken pride in treating every project like it’s our own. When you call Biddle, you’re not just hiring another plumbing contractor; you’re partnering with a team that values integrity, precision, and people.
Clear quotes, no surprises. We pride ourselves on offering transparent, upfront pricing, every time.
Every technician is fully certified and trained in repairs, installations, maintenance, and more.
Friendly communication, clean job sites, and long-term solutions over quick fixes.
Our story started when Dean Biddle, then a young tradesman, began plumbing new homes during the Seattle housing boom of the 1970s. What began as “Dean the Plumber” has grown into Biddle Contracting Services — a multi-generation family business proudly serving both residential and commercial clients across the Puget Sound.
We specialize in water supply systems, hot-water production, drainage, and sewage solutions, ensuring every pipe, joint, and fixture meets code and performs efficiently. Our licensed plumbing professionals are trained to detect faults, repair fixtures, and test systems for safety and durability.
From routine maintenance to complex builds, our team handles both residential and commercial plumbing with precision and care.
Fast, dependable service when it matters most. We handle leaks, clogs, and broken pipes quickly to keep your water systems running smoothly.
Get consistent, comfortable hot water year-round. We can repair existing systems or install new high-efficiency water heaters that fit your home or business.
Eliminate slow drains and prevent future backups with professional drain cleaning and routine pipe maintenance.
Need a new faucet, shower, or toilet? We install and replace fixtures quickly, efficiently, and up to code.
Our reputation is half-a-century-strong, and it’s built on happy customers who count on us for reliable plumbing services. Here’s what they have to say about Biddle Contracting Services.
For nearly 50 years, Biddle Contracting Services has provided reliable plumbing services for homes and businesses across Seattle, Tacoma, and surrounding cities. From urgent repairs to planned upgrades, our family-owned team is here to help. Contact us today to get connected with a plumber near you.