Septic Inspection
Washington requires inspection at least every three years for a tank-and-gravity system and annually for every other type, performed by a third party authorized by the local health officer.
Selling a house on a septic system in Pierce County means producing a Report of System Status, and that means hiring a certified company to inspect and pump before the Health Department will issue it. This site explains what the county asks for, where the paperwork lives, and connects you with a certified company to do the work.
Washington adds its own statewide transfer requirement on February 1, 2027, so the paperwork is about to matter for every septic property in the state, not only the ones changing hands in Pierce County.
Get matched with a certified company What the county requires
Your request goes to an on-site sewage professional certified by the Tacoma-Pierce County Health Department and serving Pierce County, not a national lead list.
The request form is not accepting submissions yet. This site is new and the intake line is still being set up. Until it is live, nothing is collected here, because a form that renders but delivers nowhere is worse than no form at all.
Prefer to talk? Call (253) 367-7679.
Most septic sites sell you a pumping appointment. In Pierce County the thing that actually stalls a sale is a document: the Report of System Status, the as-built drawing nobody can find, the record of the last inspection. Those are county records with county rules, and they are the part homeowners get stuck on. Everything below is organized around that.
You need a Report of System Status. The inspection and the pump are done by a certified company that you hire, and the Health Department reviews the submitted application and issues the report. Start it before you list, not after you have an offer.
As-built drawings, permits and past inspection reports for Pierce County systems are held by the Health Department. The as-built is the one worth chasing first: it shows where the tank and drainfield are, which is what an inspector otherwise has to spend time locating.
It depends on what you own. A plain sewage tank with a gravity drainfield is on a three-year cycle. Anything else, including pressure distribution, sand filters and proprietary treatment units, is annual.
It is real and it is dated. From February 1, 2027, sellers statewide must hand maintenance and repair records to the buyer and obtain a third-party inspection, submitted on forms the local health officer approves.
These are the owner obligations in WAC 246-272A-0270, the state rule that governs on-site sewage systems. We quote the rule rather than paraphrasing it, because this is the part homeowners get contradictory answers about.
Source: WAC 246-272A-0270, read 2026-08-04. Pierce County's own transfer process is administered by the Tacoma-Pierce County Health Department; confirm the current local requirement with them before you rely on it.
Every job below is performed by an independent company certified by the Health Department, not by us.
Washington requires inspection at least every three years for a tank-and-gravity system and annually for every other type, performed by a third party authorized by the local health officer.
Pumping removes accumulated solids before they reach the drainfield. It is also done at the time of a property-transfer inspection in Pierce County.
A drainfield that surfaces effluent or backs up has stopped absorbing. Replacement is the largest expense a septic property faces and it is permitted work.
A new or replacement system needs a site evaluation, a design, and a permit before installation begins. Pierce County soils vary enough that the design drives the cost.
A designer evaluates soil and site conditions, then produces the drawing the Health Department reviews. Glacial outwash and till behave very differently in Pierce County.
Proprietary and alternative systems carry an annual inspection obligation. An operation and maintenance specialist performs the inspection and files the report.
Pierce County sits on the deposits Mount Rainier and the Puget lobe left behind. The Puyallup and Carbon river valleys are lahar plain, the uplands around Graham, Spanaway and Frederickson are glacial outwash that drains fast, and much of the area between them is dense glacial till that barely drains at all. Two properties a mile apart can need completely different systems, which is why the design step drives the cost of a replacement more than the excavation does.
That variation is also why the as-built matters so much here. On outwash a drainfield can be compact and conventional; on till it may be a mound, a pressure system or a proprietary treatment unit, and those carry the annual inspection obligation rather than the three-year one.
The other Pierce County specific is administrative. The Tacoma-Pierce County Health Department holds the permit and as-built records, publishes the list of certified on-site sewage companies, and reviews the Report of System Status before issuing it. That is unusual in a helpful way: the county regulates and records, and the paid work is done by private certified companies you choose from the county's own list.
It also means the answer to most Pierce County septic questions is a county record, not an opinion. Where a page here states a requirement, it names the rule or the office it came from.
Septic density is highest outside the sewered cores, in Graham, Spanaway, Eatonville, Orting, Buckley, Roy and the unincorporated areas between them, but every city below has septic properties inside or adjacent to it.
Pierce County asks for a Report of System Status when a property served by an on-site sewage system is sold. The owner arranges the inspection with a certified company, tanks are pumped at the time of inspection, and the Health Department reviews the application and issues the report. Confirm the current requirement and timing with the Tacoma-Pierce County Health Department before you list, because the review adds time to a closing.
Under WAC 246-272A-0270, a system with only a sewage tank and a gravity subsurface soil absorption system must be inspected at least once every three years. Every other on-site sewage system type must be inspected annually. Inspections are performed by a third party authorized by the local health officer.
From that date, WAC 246-272A-0270 requires sellers statewide to provide maintenance and repair records to the buyer, obtain a third-party inspection, and submit the results on forms approved by the local health officer. The local health officer may waive the transfer inspection where a recent third-party inspection already verified compliance.
As-built records for Pierce County systems are held by the Tacoma-Pierce County Health Department. The drawing shows where the tank and drainfield sit, which saves an inspector locating time and saves you the fee that goes with it.
No. Pierce County Septic Services is a matching service operated by Compass Camper LLC of Oregon. We connect homeowners with independent on-site sewage professionals certified by the Tacoma-Pierce County Health Department, and those independent companies perform all the work.
Your request goes to an on-site sewage professional certified by the Tacoma-Pierce County Health Department and serving Pierce County, not a national lead list.
The request form is not accepting submissions yet. This site is new and the intake line is still being set up. Until it is live, nothing is collected here, because a form that renders but delivers nowhere is worse than no form at all.
Prefer to talk? Call (253) 367-7679.