Window tint shop software in Washington
Washington had 935 auto body, paint, interior and glass shops employing 6,655 people, 16th among the 50 states (Census County Business Patterns, 2023); 74.2% of its 3.9 million workers get to work by car, truck or van, and households there have 6.1 million vehicles (ACS 2024 1-year).

Washington market at a glance
Source: US Census Bureau: County Business Patterns (CBP) 2023, ACS 2024 1-year; city populations, Vintage 2024. US = 50 states + DC.
Washington window tint rules
Washington requires the net film on every window except the windshield, factory tint plus film, to pass 24% or more of light and reflect 35% or less, with outside mirrors on both sides. Vehicles the manufacturer identifies as trucks, motor homes or multipurpose passenger vehicles, plus hearses, limousines, for-hire buses and ambulances, may go darker behind the driver. Windshield: a transparent strip along the top edge, no more than six inches down and outside the AS-1 area, plus clear UV-blocking film. A licensed physician's written verification allows darker tint.
Summary checked against Rev. Code Wash. (RCW) § 46.37.430 on 2026-09-28. Verify current statutes before quoting.
Washington tint shop questions
- How much can I tint windows in Washington?
- Washington requires the net film on every window except the windshield, factory tint plus film, to pass 24% or more of light and reflect 35% or less, with outside mirrors on both sides. Vehicles the manufacturer identifies as trucks, motor homes or multipurpose passenger vehicles, plus hearses, limousines, for-hire buses and ambulances, may go darker behind the driver. Windshield: a transparent strip along the top edge, no more than six inches down and outside the AS-1 area, plus clear UV-blocking film. A licensed physician's written verification allows darker tint. See the Washington tint law, with the statute.
- How many window tint businesses are there in Washington?
- Census has no window tint category. Its closest, automotive body, paint, interior, and glass repair (NAICS 81112), counted 935 in Washington in 2023, most in King (256), Pierce (117), Snohomish (104), Spokane (70) and Clark (59) (Census County Business Patterns, 2023).
- How many vehicles are there in Washington?
- Washington households had 6,143,200 vehicles available, 1.94 per household (ACS 2024 1-year). By county, the most are in King (1,567,993), Pierce (723,029), Snohomish (659,009), Spokane (428,279), Clark (407,628) (ACS 2020-2024 5-year).
Window tint shop software in neighbouring states
Number of auto body, paint, interior and glass shops, CBP 2023.
- Oregon · 555
- Idaho · 317
- California · 4,969
Washington city pages
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