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Septic Inspections in Whatcom County
Selling, buying, or dealing with a county letter. We inspect the system and write it up so it holds up with whoever is asking.
- Tank pumped as part of a transfer inspection
- Written report suitable for escrow and the county
- Drain field assessed, not just the tank
- Scheduled around closing dates
Most septic inspections here are happening because of a deadline
Almost nobody books a septic inspection out of curiosity. They book one because a house is being sold, because a lender or the county has asked for documentation, or because a maintenance requirement has come due and there is a date attached.
That matters, because an inspection with a deadline is not just a technical job. It is a piece of paperwork that has to be right, complete, and delivered to a specific party in time. A report that raises questions two days before closing is a problem regardless of how good the underlying inspection was.
So we do two things: assess the system properly, and write it up so that the person receiving it does not need to call us back.
A real inspection covers more than the tank. The tank is the easy part. What determines whether the system is actually sound is the drain field, and a drain field is assessed by looking at how it accepts water, what the ground above it is doing, and what the tank levels tell you about how it has been behaving.
What we handle
Property transfer inspections
The inspection required in connection with a sale. Includes pumping so the tank interior can be assessed, drain field evaluation, and a written report for escrow and the county.
Routine and maintenance inspections
Periodic inspections for systems under an ongoing operation and maintenance requirement, or simply because an owner wants to know where they stand before something fails.
Pre purchase inspections for buyers
If you are buying a rural property here, the septic system is one of the largest single risks on it. A buyer side inspection tells you what you are taking on before you own it.
What is included
Records check first
We look for the existing as-built and maintenance history before we arrive. Knowing what the system is supposed to be saves a lot of guessing on site.
Tank pumped and assessed
Lids located and opened, tank pumped so the interior is visible, baffles and tees checked, and the structure assessed for cracks and root intrusion.
Drain field evaluation
Condition of the ground above the field, evidence of surfacing or saturation, and how the system accepts flow. This is the part that decides the outcome.
Written report
Findings, condition, anything that needs attention, and clear language rather than a checklist that raises more questions than it answers.

How an inspection runs
Tell us the deadline
Closing date, county deadline, or no deadline at all. This is the first question because it decides scheduling.
Records search
We look for the as-built and any maintenance history before the visit.
Locate and open
Lids found and opened. On properties with no records this can take a while, which is why the records search happens first.
Pump and inspect
Tank pumped, interior assessed, components checked, levels and condition recorded.
Drain field assessment
Ground condition, surfacing, saturation and flow acceptance evaluated.
Report issued
Written up and sent to you and, if you want, straight to escrow or the county.
Why inspect with us
We do the records search before we come out. Turning up cold to a rural property with no as-built and trying to find a system by probing is slow and expensive, and it is avoidable most of the time.
We pump as part of a transfer inspection rather than treating it as an add on. You cannot meaningfully assess the inside of a tank that is full, so an inspection that skips it is assessing the lid.
We write reports that are readable. A report that a real estate agent, a lender or a county reviewer can act on without a follow up call is worth more than a longer one full of abbreviations.
And we tell buyers the truth. If a system is at the end of its life and the next owner is facing a replacement, that goes in the report plainly. That occasionally costs us the goodwill of somebody trying to sell a house, and it is still the right way round.
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Dispatch
Working to a closing date?
Tell us the date when you book. Inspections that are scheduled early are far less stressful than ones squeezed in at the end.
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Septic inspection questions
What are the inspection requirements for septic systems in Washington State?
Washington requires an onsite sewage system to be inspected in connection with a property transfer, and many systems carry an ongoing maintenance and inspection requirement on top of that. Whatcom County operates its own onsite sewage programme, so the local detail matters. Our guide covers it, and the specific current requirements should be confirmed with the county for your property.
Do you need a septic inspection to sell a house?
In Washington, effectively yes for a property on an onsite system. It is one of the standard items that has to be resolved before a transfer completes, and leaving it late is the single most common reason septic becomes a problem in a sale.
How much is a septic inspection in Washington state?
It varies with system type and whether pumping is included, which for a transfer inspection it normally is. Tell us the property and the system type and we will give you a number before we come out.
How long does a septic inspection usually take?
A straightforward system with accessible lids and existing records is usually a couple of hours including pumping. A property with no records and buried lids can take considerably longer, mostly spent finding things.
What can fail a septic inspection?
A saturated or surfacing drain field, structural failure in the tank, missing or broken baffles, an undersized system for the number of bedrooms, and evidence that the system has been failing and been patched rather than repaired. Missing records alone does not fail a system, but it complicates everything.
Is it illegal to sell a house with a failed septic system?
You generally cannot complete a transfer with an unresolved failed system, and you certainly cannot conceal one. In practice a failure becomes a negotiation: it is repaired before closing, or the price reflects it and the work is documented. Concealment is the part that creates real liability.
Do you have to pump a septic tank to inspect it?
For a meaningful inspection of the tank interior, yes. You cannot assess baffles, walls and outlet condition through a full tank. Some routine inspections on a system with good records can be done without, but a transfer inspection normally includes pumping.
Where we inspect
We inspect across Bellingham, Lynden, Ferndale, Blaine, Birch Bay, Everson, Nooksack, Sumas, Deming, Custer, Sudden Valley and Point Roberts.
View service areas- Bellingham
- Lynden
- Ferndale
- Blaine
- Birch Bay
- Everson
- Nooksack
- Sumas
- Deming
- Custer
- Sudden Valley
- Point Roberts
Book an inspection
Tell us the property, the system type if you know it, and any deadline you are working to.
Call(360) 555-0147Mon to Fri, 7am to 5pm, with emergency service outside those hours.
- Same day emergency response
- The tank gets inspected while the lid is off
- Written reports the county and escrow accept
- No call out fee on a booked job
Request logged
Thanks. We will give you a time and a price.
If it is an emergency, call rather than waiting for a reply.
(360) 555-0147