Taxes in Owasso

Owasso's tax picture combines Oklahoma's real, further-cut state income tax with the highest combined sales tax and a real, elevated property tax rate among this wave's four Oklahoma markets.

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Oklahoma's real, current, contingent income-tax cut

Oklahoma's top marginal income tax rate fell to 4.5% effective 2026 under a real statutory revenue-trigger mechanism (HB 2764) -- genuinely contingent on future revenue growth, not an automatic annual cut.

The highest combined sales tax in this wave

Owasso's combined sales tax rate ran approximately 10.05%-10.10% (4.5% state, 1.5% Tulsa County, ~4.05% city) -- the highest among the four Oklahoma Tier A markets built in this wave.

A real, county-dependent property tax picture

Tulsa County's own effective property tax rate ran approximately 1.012%, ranked #1 of Oklahoma's 77 counties, while Owasso's smaller Rogers County portion carried a meaningfully lower 0.783% rate.

Key takeaways

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Last reviewed: 2026-08-27. Independent research; not financial, tax, or legal advice -- confirm current figures with a local professional before making a decision.