Property Taxes in Wyoming
Wyoming property tax bills run genuinely low by national standards -- a statewide average effective rate around 0.55%, among the lowest in the country -- built on an assessed-value system (9.5% of fair market value for residential property) that makes the state's mill levies look higher on paper than the real tax burden actually is.
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Learn moreThe statewide rate and real county-level spread
Wyoming's statewide average effective property tax rate runs approximately 0.53%-0.57% depending on source and calculation method, this record anchoring at 0.55% -- well below the roughly 1.0%-1.1% national average commonly cited in 2026. County-level rates vary meaningfully: Niobrara County runs the lowest reviewed this pass at about 0.26%, while Washakie County runs the highest at about 0.72% -- still low by national standards even at the top end. The statewide median annual property tax bill ran about $1,458 per one source reviewed.
How Wyoming actually calculates your bill
Wyoming does not tax full market value directly. Residential and commercial property is assessed at 9.5% of fair market value, agricultural land at 9.5% of productive (not market) value, and industrial property at 11.5% -- the county's mill levy is then applied to that assessed value, not the full purchase price. This two-step structure is why Wyoming's nominal mill levies can look substantial while the effective rate on the property's actual value stays genuinely low.
Two real relief programs worth knowing about
The statewide Property Tax Refund Program lets Wyoming residents of 5+ years who occupied their home 9+ months in the prior year apply for a refund of up to one-half of the median residential tax bill or 75% of their own bill (whichever is less), subject to household asset and income caps (the asset cap is waived if property tax exceeded 10% of household income). Applications run through wptrs.wyo.gov or county treasurer offices, with the 2024-tax-year cycle's deadline set at June 2, 2025 -- confirm the current year's deadline directly. Separately, a 2025-2027 senior exemption reduces the bill for owners 65+ who've paid Wyoming property tax for 25 years and occupy the home at least 8 months a year.
Minerals, not homeowners, carry the heaviest tax load
Wyoming's low residential property tax burden is possible partly because the state leans heavily on mineral severance taxes (coal, oil, natural gas, trona) for state and local revenue -- a real, disclosed structural tradeoff: homeowners benefit from a genuinely light property tax bill, but that setup carries real exposure to commodity-price swings that could pressure future budgets and, in turn, future mill levies. See the jobs-economy topic for the fuller picture.
Key takeaways
- Wyoming's statewide average effective property tax rate runs about 0.55%, among the lowest in the nation, with county rates ranging from about 0.26% (Niobrara) to 0.72% (Washakie).
- Wyoming assesses residential property at 9.5% of fair market value before applying the mill levy -- a two-step structure that keeps effective rates genuinely low.
- A statewide refund program and a 2025-2027 senior exemption offer real, additional relief for qualifying homeowners -- confirm current-year deadlines and caps directly.
- Wyoming's light residential property tax burden is enabled partly by mineral severance-tax revenue, a real structural dependency on commodity markets.
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