Septic System Inspections for Spokane Homes
If a home in Spokane uses a septic system, the condition of that system can change what the house is worth. An inspection looks at the tank, the pipes and the drain field so there are no surprises after closing.
Local septic companies that serve Spokane can inspect for a sale, a refinance or simply because you want to know how your system is holding up.
What a septic inspection covers
A full inspection usually starts with locating the tank and drain field and reviewing any records on file. The inspector opens the tank, checks the liquid level and sludge depth, and looks at the inlet and outlet baffles, the tank walls and the lid. Water may be run through the house to watch how the system handles flow. The drain field is checked for wet spots, odors and signs of surfacing water. Pump chambers, alarms and filters are tested if the system has them.
Choosing the right kind of inspection
A walk-through inspection is fine as a routine check on a system you know well. For a home sale, a refinance or a system you know nothing about, choose a full inspection that opens the tank and looks at the drain field. Some lenders and counties specify which type they will accept.
Inspections for buyers and sellers
Buyers use an inspection to learn what they are taking on. Sellers use one to fix problems before listing or to show buyers the system is sound. In either case, schedule early in the process so there is time to pump, make repairs or negotiate. Waiting until the last week before closing leaves little room if the inspector finds a problem.
What a useful report includes
A useful report gives you facts you can act on: measurements of scum and sludge, the condition of each part, a sketch or photos of where things are, and clear recommendations. If repairs are listed, ask the inspector which ones are urgent and which can wait.
How to prepare for an inspection
Gather any septic permits, past pumping receipts and repair records. Mark the tank location if you know it and make sure the area is clear. If you are selling, avoid pumping right before the inspection unless the inspector asks for it, since a freshly pumped tank can hide how the system has been performing. Make sure water is on in the house so the inspector can run fixtures.
Questions to ask a septic inspector
Ask what their inspection includes, whether the tank will be opened, and whether pumping is part of it. Ask if they probe or test the drain field, how long the inspection takes and when you will get the report. Confirm licensing or certification required where you live and ask for a sample report so you know what to expect.
When to inspect even without a sale in Spokane
An inspection in Spokane makes sense after buying a home without records, after a backup or before an addition. It tells you the size, layout and condition of the system. Knowing that ahead of time helps you budget for pumping or repairs instead of being surprised by them.
What inspectors look at closely around Spokane
Because most mapped soils near Spokane are rated very limited for septic absorption, inspectors pay special attention to how the drain field is handling water. Spokane averages about 22 inches of precipitation a year. Mention recent heavy rain to your inspector, since it can change what the drain field shows. Frozen ground in the colder months can limit what an inspector can see, so plan inspections for a home sale early when you can.
Local conditions in Spokane that affect septic inspection
Among the mapped soils within about two miles of central Spokane, the USDA soil survey rates 99% as very limited for septic absorption fields, 1% as somewhat limited and 0% as not limited. The most common drainage class is well drained. Soils like these often call for careful system design, such as a larger drain field, a mound or another engineered system, and a site evaluation before any new installation or replacement.
Spokane averages about 22 inches of precipitation a year, and December is usually the wettest month. Average temperatures stay below freezing for about 3 months a year, with December averaging 27°F, so tank lids and shallow lines benefit from a layer of snow or mulch rather than being cleared bare.
Sources: USDA NRCS Soil Survey (SSURGO), Soil Data Access; NASA POWER long-term climatology. Soil ratings describe mapped soil types near the city center and do not replace a site evaluation of your property.
What the soil around Spokane means for septic inspection
By drainage class, the USDA soil survey maps the land around Spokane as 63% well drained, 30% somewhat excessively drained, 6% poorly drained, 1% very poorly drained. A good inspection here checks the drain field as well as the tank.
Source: USDA NRCS Soil Survey (SSURGO), Soil Data Access
Septic companies near Spokane
These are the septic companies in our directory closest to Spokane, with straight-line distance. Call any of them directly, or send one request and we will pass it to the best match.
- Spokane Septic Systems, Spokane, WA, 5.3 mi
- Sunshine Septic Service, Spokane Valley, WA, 8.0 mi
- Lilac City Septic, Spokane Valley, WA, 13.4 mi
- Cheney Septic Service Inc, Cheney, WA, 13.5 mi
- Elk Chattaroy Septic Service, Elk, WA, 22.7 mi
- Bub's Septic Pumping, Deer Park, WA, 25.4 mi
Septic Inspection in nearby towns
We also cover septic inspection in these towns near Spokane:
- Airway Heights, 6.9 mi
- Millwood, 7.2 mi
- Spokane Valley, 9.3 mi
- Medical Lake, 13.6 mi
- Cheney, 14 mi
- Liberty Lake, 15.3 mi
About Spokane, WA
Spokane is in Spokane County, Washington. About 229,447 people live there, across 68.8 square miles of land (about 3,337 per square mile).
Septic Inspection questions in Spokane
- How long does a septic inspection take?
- Most take one to three hours. Time depends on how easy the system is to find, whether the tank is pumped during the visit and how much testing is done on the drain field.
- Should the tank be pumped before an inspection?
- Many inspectors prefer to see the tank before and during pumping so they can judge how the system has been working. Ask the inspector what they want rather than pumping on your own beforehand.
- Who pays for a septic inspection during a sale?
- It depends on your contract and local practice. Buyers often pay for their own inspection, while some sellers order one before listing. Your real estate agent can tell you what is typical in Spokane.
- What happens if the inspection finds a problem?
- You get a clearer picture of what needs fixing and how urgent it is. Small items like a broken baffle are usually simple. Bigger findings, like a failing drain field, may call for repair quotes before a sale moves forward.