Ottawa County Assessor

Ottawa County Assessor Becky Smith, Assessor Gabe Huffman, 1st Deputy Patty Rose, 2nd Deputy Jake Barton, Field Appraiser Kristen Frazier, Deputy

Operating as usual


Due to the Coronavirus disease (COVID-19) outbreak, the Ottawa County courthouse is still closed to the public. For the residents that are needing to renew their farm tax exemptions, here is a link to do it online. Go to the “Individuals” section and select “Apply for Agriculture Exemption” and then follow the instructions.

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Due to the Coronavirus disease (COVID-19) outbreak, the Ottawa County courthouse will be closed to the public until further notice. You can still contact our office at (918) 542-9418 with any questions or visit out website at

LandMarkGSI Oklahoma County Property Information


****Bring applications/resumes into the office****

Notice of 2nd Deputy position

Effective immediately, applications/resumes will be accepted for the position of 2nd Deputy in the Assessor's Office. Applications/resumes will be accepted until 5 P.M. March 23, 2020.
This is a full time position with benefits. Computer and clerical experience are necessary. Overall knowledge of real estate transactions and legal descriptions would be a definite asset. A very strong work ethic is a must! You must be reliable and punctual. Proper telephone etiquette and people skills are also a must.

McClain County Assessor's Office

McClain County Assessor's Office


It’s coming up on that time of year again so we would like to share some information about renewing your Ag Exemption cards.

Check the expiration date on your card and if it expires in 2018 below is the process for renewing. Cards are generally good for 3 years and expire the last day of June of the expiration year.

Please click the following link and choose "Individual". From there you will click "Apply for Agriculture Exemption". (Processing times are usually shorter when you renew early.)

NEW APPLICANTS - Note that your property/personal taxes have to be paid in full and you have to currently be doing something agriculturally to make a profit. The Oklahoma Tax Commission will verify this by checking to make sure you have previously filed a Schedule F (farm profit and loss) form with your income taxes. If you are not currently doing so, you may not be approved for the Agriculture Exemption Card.

It can take anywhere from 1 to 6 weeks to receive your new card once approved through the Oklahoma Tax Commission. If waiting until the month of June to renew, keep in mind that due to the application traffic, there could be a longer than normal wait time.

Because we require all rendered farm equipment to be listed on an official OTC form, we will send you an OTC Form 924 for Individual Personal Property based on the equipment listed in your application and/or currently listed on the tax roll. Make sure you complete this form, sign and date and return to our office.

It is the taxpayer’s responsibility to notify our office anytime there is a change of equipment. Please note that the cutoff for making deletions to rendered equipment is May 1 of each year. Any deletions after that date will not take effect until the following tax year.

If you have any questions about items discussed in this article, please do not hesitate to call the McClain County Assessor’s office at 405-527-3520 or refer to the Oklahoma State Statutes Title 68 § 2807. We will be happy to assist.


102 E Central. Suite 102
Miami, OK

Opening Hours

Monday 09:00 - 17:00
Tuesday 09:00 - 17:00
Wednesday 09:00 - 17:00
Thursday 09:00 - 17:00
Friday 09:00 - 17:00


(918) 542-9418



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