Snohomish County has over 84,000 private septic systems. Searching for your Snohomish County septic records through the OnlineRME database is doable, but it isn't always obvious where to start or how to make sense of what comes back. Leave a request and our certified specialists will handle the entire search for you, pull everything on file for your property, and send it to your email with a personal call to explain it all. Completely free.


  • We search Snohomish County's OnlineRME database on your behalf
  • You receive your as-built drawings, permits, and service history by email
  • A specialist calls you personally to explain what the documents mean for your property
  • If needed, we dispatch a technician, inspector, or designer to your site
  • The records search is 100% free - no hidden fees, no strings attached

Find Your Snohomish County Septic Records - We'll Do It Free and Walk You Through Everything

Leave a request and we'll find your Snohomish County septic records and send them to your email. We'll call you to walk through everything.
Art Nikolin
Operations Manager of Septic Solutions LLC
"Snohomish County has one of the better-organized septic databases in Washington State. OnlineRME holds as-built drawings, service history, and permit records for most properties in the county. When we're pulling a septic as-built drawing for a Snohomish County property, we know exactly where to go and what to look for in that system. But reading the documents and understanding what they mean for a specific property - that takes experience we've built from years of field work out here.

When you leave a request, my team searches the Snohomish County Health Department's database, pulls everything we can find for your property, and sends it to your inbox. If you're buying a home and want to know what the inspection history looks like before you commit, we pull all of that and explain what it shows. You can search OnlineRME yourself at snohd.org if you'd like. We're here for everyone who'd rather have a pro handle it."
Serving Monroe, Stanwood, Granite Falls, Arlington, Lake Stevens, Marysville, Snohomish, Mill Creek, Mukilteo, Lynnwood, Edmonds, Bothell, and all of Snohomish County.
How We Find Your King County Septic Records and Help You Understand Them
Tell us your property address and what you need. We take it from there.
Leave a Request or Give Us a Call
We go directly into Snohomish County OnlineRME and pull everything on file for your property.
We Search Snohomish County's Online RME Database
Permits, as-built drawings, and service history - we know where to find them and what they mean.
We Review and Interpret Your Documents
We Send a Specialist to Your Property If You Need More
Want to find your septic tank or drainfield location in Snohomish County? We can come out and locate it on-site.
We Send Everything to Your Email and Call You
The full document package and a personal call from someone who knows Snohomish County's OnlineRME system.
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Five steps. As fast as possible - usually one business day. Free.
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Not Sure Where Your Septic System Is in Snohomish County?
Give us your property address and we take it from there. Most records are found and delivered within one business day.
Leave a request and we'll find your Snohomish County septic records and send them to your email. We'll call you to walk through everything.

How to Find Septic System Records in Snohomish County, WA

Snohomish County maintains records for over 84,000 private septic systems in a database called OnlineRME, managed by Snohomish County Health Department. Snohomish County septic records - including as-built drawings, service history, and permit records - are available through the portal at snohd.org. You can search by property address or Property Tax Account number. Snohomish County OnlineRME is part of a statewide system, which means it's accessible to property owners directly, though knowing how to navigate it and read the results takes some familiarity with the platform.

A septic as-built drawing from Snohomish County shows the exact location of your tank, drainfield, and all system components - measured from fixed reference points on your property. This is the document you need before any landscaping, construction, or real estate transaction. Properties in Monroe, Stanwood, Granite Falls, Arlington, Lake Stevens, Marysville, Lynnwood, and Bothell generally have complete records in OnlineRME.

If you need to find your septic tank location in Snohomish County or get current septic drainfield location records, the as-built drawing in OnlineRME is the starting point. When records are missing or the property has changed significantly since installation, a physical site visit from a certified technician is the next step. Septic Solutions searches Snohomish County's database at no charge and, when needed, sends a certified specialist to locate the system and document what's actually in the ground.
What Snohomish County Homeowners Say About Working With Us
Frequently Asked Questions About Finding Septic Records in Snohomish County