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Home Improvement Tax Exemption Program
Owner-occupied single-family residences that are remodeled or renovated may be eligible for property tax relief. If approved (by King County), owners who timely apply will receive an exemption of up to 30% of the original structure value for three years. The dwelling must be owner occupied and not received a Home Improvement Exemption in the past five years.
For more details, please refer to RCW 84.36.400 or WAC 458-16-080
If you have questions about this program, you may contact the King County Assessor's Office at (206) 296-7300 or by email to HomeImp.DestProp@kingcounty.gov
To access the application and instructions, please use this link "Home Improvement Exemption Application" .