To allow employees time to enjoy the holiday season, the Mason County Board of County Commissioners has authorized the following 2014 Holiday Schedule:
The Board of County Commissioners meeting on December 23, 2014 will be
at 9:00 AM rather than 6:00 PM.

All County Offices have been authorized to closed at 3:00 PM on Wednesday, December 24, 2014 and December 31, 2014 - The switchboard will also close at 3:00 PM on those dates with a revised message directing people to the court offices. Offices that are mandated by Washington State Law (Courts) will remain open until 4:30 PM on those days.

All County Offices will be open for business during regular hours on
Friday, December 26, 2014 and January 2, 2015.  
2014 Tax Foreclosure Sale date is January 9th, 2015  
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On-Site Sewage Systems

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On-site Sewage System Permit Application Process

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Property Evaluation for On-site Sewage System Suitability

Recreation Vehicle Holding Tanks

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Holding Tanks for Recreational Use Vehicles

Holding tanks for Recreational Use Vehicles are permitted through a state and local waiver process.  The vehicle must be licensed and able to be moved. All liquid waste water, including grey water, must not be dumped on the ground or in surface water.


A Mason County Certified Installer must install the RV holding tank. The tank must be on the Washington State Department of Health Registered List of Sewage Tanks and be at least 1200 gallons. The tank must be installed with audio & visual alarms and risers.


Holding tanks are not allowed for park-model trailers. They require a complete on-site sewage system.

Click here for a printer-friendly packet of permit application forms and application procedures.

 
 
 
         
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