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Lake Oswego Real Estate Septic SystemsLake Oswego Real Estate Septic

There have been sink holes, collapsed cesspools and problems with septic systems in our Portland real estate market. Lake Oswego also has areas with homes that have septic tanks.

Lake Oswego Building Permit And Septic Tanks

If you are building a new home it will require getting a Lake Oswego building permit.  The process is not terribly complicated. A survey of the location and an outline depicting the placement of the structure is needed. Prior to putting in a septic system at a location that is connected to city water but not city sewer, a perk test must be submitted. A perk test evaluates the amount of time needed for dissolution of water into the soil of the property. The test result aids in determining the proper place to put the septic system.

If you have a question about whether you are currently connected to the City sewer or a septic tank, the City of Lake Oswego is able to check their records for you. If they are unable to find a record, they can perform a dye or smoke test for verification. Call the Wastewater Department at (503) 635-0280 to arrange an appointment.

This service can only be requested by the homeowner. All other parties requesting a dye or smoke test will be charged a fee of $60.00 per transaction.

If you are currently on a septic tank and would like to speak with someone about connecting to the City’s Wastewater Collection System, please contact Todd Knepper, Planning Services Division – Engineering Department, at (503) 675-2534.

Changes In Oregon Law Regarding Septic Tanks

Septic systems can effectively treat household sewage for a long time if they are properly maintained and operated. However, you may not be aware that there have been some recent updates to Oregon’s septic system regulations that affect our entire state and not just the Portland or Lake Oswego real estate markets.

  • Owners of sand filtration septic systems installed after January 1, 2014, are now required to maintain a service contract with a certified on-site wastewater maintenance provider, and are required to inspect their sand filter system at least once a year. A report of the inspection findings must be submitted to DEQ with all required fees. A service contract, along with manual inspections and reports, are also required for alternative treatment technology systems.
  • Mandatory inspections of septic systems are no longer required when a home is bought or sold but the DEQ highly recommends an inspection prior to transferring title.

You can access the entire on-site wastewater treatment system rule here (OAR 340, divisions 071 and 073). In addition, each city or county have their own special requirements requiring installation of septic systems.

Information About Septic Systems

The owner of a septic system is 100% responsible for the operation and maintenance of their septic system.  If you currently own a septic system, or are thinking about buying a home with a septic system, there is plenty of  information available.  By taking advantage of this information, you can avoid thousands of dollars in expensive system repairs or a system replacement.

The State of Oregon has lots of information at their site regarding maintenance, inspection, repair, etc. of septic systems.  For a list of septic system inspectors in your area, you can find that information on the State’s website.


There are links above to search for real estate.  I have a new website where you can search or you can use my mobile phone app as well. My website and mobile app provide you with access to all listings available on the RMLS™ system regardless of who the listing agent or brokerage may be. Listings are updated frequently throughout the day giving you the information you need, when you need it.

Thinking of Selling Your Lake Oswego Home?

Prices are increasing at a fast pace in Lake Oswego. Interest rates are still low and there is a huge pool of buyer demand. I have ready, willing and able buyers ready to purchase your home. If you want to know the value of your home in today’s real estate market, please call me at 503-804-9685.

Moving to Lake Oswego?

Want to know more about Lake Oswego? I’d love to be your buyer’s agent, please give me a call at 503-804-9685.

I have worked in Lake Oswego as a Real Estate Broker since 1975 and have lived in Lake Oswego since 1988 and know all the neighborhoods! The real estate market is “hot” here in the Portland metro area and Lake Oswego. I am ready to assist you with all your real estate needs! “There is no substitute for experience.”

ALL ABOUT…..Lake Oswego Real Estate. Copyright 2008-2016. Betty Jung. All Rights Reserved. Use of this article, photos and images without permission is a violation of Federal copyright laws.


Contact Betty Jung

Betty Jung, Broker

MORE Realty, Inc.
14945 SW Sequoia Parkway, #150
Portland, OR. 97224

503-804-9685 Cell


"Selling Real Estate Since 1978. There Is No Substitute For Experience!"

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