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Regional Transit Authority (RTA) Motor Vehicle Excise Tax (MVET) depreciation schedule

Here are the depreciation tables Sound Transit (www.soundtransit.org) uses for RTA.

Depreciation Curve

Taxable value is based on vehicles age (year of service) and a base value established by the vehicle Manufacturer’s Suggested Retail Price (MSRP) for passenger vehicles, motorcycles, light-duty trucks (scale weight of 6,000 pounds or less) and small trailers.

For passenger vehicles, motorcycles, light-duty trucks, and small trailers: Take the vehicle’s MSRP, find the Year of Service (current calendar year - model year + 1 year = year of service), and apply the corresponding percentage.

Depreciation percentage based on years of service
Year of Service Percentage
1 100%
2 95%
3 89%
4 83%
5 74%
6 65%
7 57%
8 48%
9 40%
10 31%
11 22%
12 14%
13 or older 10%

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