How to appeal a Tulsa County, OK property assessment
✓ Verified — Last verified October 24, 2026
Filing details published for Tulsa County. Match the notice and assessment cycle to the official instructions.
Official appeal instructionsNot tax or legal advice; confirm with your county.
Filing timing
Notice-dependent instructions
Written protest within 30 calendar days of the valuation notice; if value did not change, file by the first Monday in April.
Official source. Verified .
Where to file
Tulsa County Assessor for informal protest; review the instructions on the valuation notice.
Official source. Verified .
Assessment notice period
A notice is mailed when fair cash market value increases.
Official source. Verified .
Official offices
Tulsa County Assessor
Sources for these instructions
https://assessor.tulsacounty.org/Resources/Faq
We can conduct an informal protest over the phone at your convenience.
Verified October 24, 2026
https://assessor.tulsacounty.org/Resources/Faq
How should I prepare for my informal protest?
Verified October 24, 2026
https://assessor.tulsacounty.org/Resources/Faq
A taxpayer has 30 calendar days from the date of the Notice of Valuation to file a written protest with the county assessor. A taxpayer may also file a protest even if the valuation of property has not increased or decreased from the previous year if the complaint is filed on or before the first Monday in April.
Verified October 24, 2026
Continue with your property
Common questions
Where do I file a Tulsa County assessment appeal?
Tulsa County Assessor for informal protest; review the instructions on the valuation notice.
Updated , from cited verification dates. Individual sources may have earlier checks.