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Home Sale Septic Inspections


A-1 Environmental Services can provide your Septic Tank Inspection Certification and Pumping in one convenient appointment.  A-1 Environmental holds all King County Certifications and licensing to perform all services required to sell your home in King County.

Call Us Today for you Septic Tank Inspection and Pumping Appointment – 425-861-6978

Properties that are serviced by an OnSite Septic System or OSS in King County must be Pumped and Inspected by a certified OSM prior to the property transfer or sale closing.  The following information and links will help you prepare to sell your King County home.`

Home Sales and transfers of properties with septic systems in King County

Public Health- Seattle & King County requires all sellers of properties with onsite sewage systems (Septic Tank Systems) to have their on-site Septic Tank System(OSS) inspected by a King County licensed On-Site System Maintainer (OSM).  The inspection must be completed and a copy of the report must be given to both the buyer and Public Health before the transfer of title. The OSM must use the King County reporting forms when submitting the inspection report packet to Public Health.

A-1 Environmental staff holds the following certifications and licenses:

  • Septic Tank Pumping Professional
  • On-Site Septic System Maintainer (OSM)
  • Certified OSS Inspection Professional
  • Certified Master Installer

King County OSS Inspection filing fee $105.00 This fee is collected by your O&M Professional (check made out to PHSKC Health) from the homeowner (or whoever is paying) and paid directly to King County – This is NOT a fee charged by A-1 Environmental, this is a KC fee…… but we must have the funds prior to submitting  the O & M Sale Inspection Certification paperwork to the KC Health Dept.

Find out more about Sales in King County: King County Real Estate Sale Inspection page

Before closing, the seller must record a Notice of On-site Sewage System Operation and Maintenance Requirements (OSSM)* at the King County Recorders Office. This is a document that acknowledges the property is served by a septic system and describes the owner’s responsibilities for maintaining the system. The seller gives a copy of the recorded (OSSM)* to the buyer prior to closing.  A declaration of receipt of the recorded (OSSM)* should be signed by the seller and buyer for their records (King County does not need a copy of this declaration of receipt).

*OSSM – is also known as Form 22U by the Northwest Multiple Listing Service

A Septic System is also referred to as an “On-site Sewage System” in official documents, forms and applications.  The following documents can be downloaded for your knowledge and use when selling your home in King County.

Down-loadable Adobe format King County Forms:

 

AS-BUILT DRAWING - An As-Built drawing is a map of the septic system and shows where the septic tank, Pump Tank (if there is one), the D-Box and drainfield lines are located on the property. King County requires that an As-Built is submitted with the OSS Inspection paperwork – If KC does not have an as-built on file A-1 Environmental’s,  Master Installer – Professional OSM must draw a Certified scale as-built drawing to be turned into PHSKC with the inspection certification paperwork. Certified As-Built Drawing fee applies and will be quoted (if necessary) at time of booking.

To check if there is an As-Built on file at the KC Health Dept. drive to KC health dept in Eastgate  and request a copy of your as-built OR A-1 Environmental’s OSSM Inspection coordinator will obtain the As-Built via fax from KC Health Dept for no charge after booking your Inspection appointment.

Homes on Septic that were built prior to 1970 most likely will NOT have an As-Built on file at King County Health…. Therefore, If KC does not have an as-built on file A-1 Environmental’s  Master Installer – Professional OSM must draw a Certified scale as-built drawing to be turned into PHSKC with the inspection certification paperwork.

 

When you choose A-1 Environmental Septic Inspections & Pumping,  everything will be done for you with one convenient appointment. Other companies are only able to perform ONE of the required services!  Therefore the customer will need to hire separate companies to perform each service and if an As-Built needs to be drawn, yet another company is brought into the picture. If a repair is needed, yet another company to provide a repair.

A-1 Environmental Septic Services provides:

  • Septic Tank Pumping & Cleaning
  • Septic System Sale OSSM Inspections
  • Drawing of Certified As-Builts
  • King county Repair Proposals
  • Septic and Drainfield Repairs
  • Baffle & Riser Installation

Certifications & licensing listed below for your reference:

  • MI 172 – McCullough, Darren
  • KC 209 -  McCullough, Darren / A-1 Environmental
  • KC 106 – McCullough, Darren
  • OSM 064 – McCullough, Darren


Call Us Today for your Septic Tank Inspection and Pumping Appointment  425-861-6978 or Info@A1Environmental.net

A-1 Environmental Septic Tank Pumping, Inspections, Repair & Installations

12256 Woodinville Redmond Rd NE
Woodinville, WA 98072

(425) 861-6978
Info@A1Environmental.net