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Tax Assessor's Office Frequently Asked Questions
General Information
What prompted the modification of the Annual Notice of Assessment?
The format was modified to comply with new state law, as outlined in House Bill 92, passed in 2025. This changed the contents required in the notice under O.C.G.A. § 48-5-306. The Georgia Department of Revenue revised Box C to comply with HB 92. The Gwinnett County Tax Assessors’ Office is required by law to use the Annual Notice of Assessment form developed by the Georgia Department of Revenue.
These changes require greater transparency around:
- Rollback rates
- Homestead Exemption impacts
- Legislative opt-in or opt-out provisions
These updates ensure taxpayers are informed about how local decisions affect their exemptions and millage calculations, especially when comparing last year’s assessed value to the current year’s. The legislature chose to remove the estimated taxes from the notice and include these new requirements.
If I purchased a property the previous year, will my Annual Notice of Assessment value reflect my purchase price?
Who determines the value of my property?
The Gwinnett County Board of Assessors’ appraisal staff determines your property value. Appraisers use three different approaches to value and determine which provides the most credible fair market value. The approaches to value include:
- The Sales Comparison Approach is based on the sales prices of comparable properties.
- The Cost Approach is based on the estimated costs of replacement or reproduction of structures, less accumulated depreciation, plus the value of the land.
- The Income Approach is based on the capitalization of income generated by the property.
- All three approaches must be considered but relied upon differently for different types of properties.
For residential properties, the sales comparison approach is the most typical method. Sales that occurred in the prior year (January through December) help determine the likely selling price of similar properties as of the assessment date, which is January 1 of the current year. The income approach may be considered if the property is income-producing. Typical income and expenses of similar income-producing properties can indicate a likely sales price. The cost approach may be used when the property being valued lacks recently sold comparable properties and when market income and expenses are not readily available.
Where can I get information regarding the property sales and transactions in my neighborhood?
How do you know if my property is at Fair Market Value?
The Tax Assessors’ Office uses market studies to determine if properties are valued fairly, as required by the Georgia Department of Revenue.
We categorize properties by type, such as residential, agricultural, commercial, or industrial, and analyze recent sales within each category. Residential and agricultural properties are reviewed by neighborhood or land type. Commercial and industrial properties are evaluated based on their use and valued using approaches such as income, cost, or land value.
A recent sale of your property is usually the best indicator of its fair market value. For other properties, we compare recent sales in the area to our appraised values. If the values are too high or too low, we adjust them for the entire group.
Adjustments may increase, decrease, or leave your property value unchanged, depending on how it compares to others in the same group. The goal is to maintain uniform values and align them with the market.
What does NBHD mean?
Value and Appeal Process
Does filing a Property Tax Return appeal my valuation?
What is the difference between the Board of Equalization, Arbitration & Hearing Officer?
A: The Board of Equalization
- The Board of Tax Assessors will review your appeal. Adjustments may be made, or the appeal may be forwarded to the Board of Equalization. The taxpayer will be notified by U.S. mail of any adjustment or forwarding of the appeal.
- The Board of Equalization consists of panels of three persons appointed by the Grand Jury. Each member must reside in and own property in the county, have a high school diploma or GED, and complete Georgia Department of Revenue training.
- The Clerk of Superior Court has oversight authority of the Board of Equalization.
- The Board of Equalization is charged with listening to the valuation evidence presented by both parties (the property owner and the Tax Assessors’ Office) at a scheduled hearing.
- After the hearing, the panel will render a decision, which either party may appeal.
- There is no additional cost to the taxpayer for a Board of Equalization hearing.
B: Arbitration
- An appeal of value may be filed to arbitration by filing your appeal specifying arbitration with the Board of Assessors within 45 days of the date of the notice.
- The taxpayer must submit a $25 check for the filing fees of the Superior Court and a certified appraisal of the subject property within 45 days of the filing of the notice of appeal. The appraisal must be signed by a licensed appraiser and reflect an appraisal date close to January 1 of the tax year.
- The Board of Assessors may accept the value indicated in the appraisal or reject it.
- If the taxpayer's appraisal is rejected, the Board of Assessors will certify the appeal to the Clerk of Superior Court for arbitration. The judge will authorize the arbitration, and an arbitrator will be appointed to preside over the proceedings. If all parties agree on the appointed arbitrator, a hearing will be scheduled within 30 days.
- Both the taxpayer's appraisal and the assessor's appraisal will be submitted to the appointed arbitrator. The arbitrator may schedule a hearing.
- The arbitrator will issue a decision after the hearing. This decision can be appealed to Superior Court by either party in the same manner as Board of Equalization decisions.
- The party whose value is farthest from the fair market value determined by the arbitrator is responsible for the fees and costs of the arbitrator.
- Arbitrator costs may be substantial. Please contact the Clerk of Superior Court for estimates on arbitrator costs.
C: Hearing Officer
- Only appeals made based on value or uniformity can be appealed to a hearing office.
- Only non-homestead real property where the value is equal to or more than $500,000, or for one or more account numbers of a wireless company property totaling $500,000 or more qualifies for an appeal to a hearing officer.
- The Clerk of Superior Court will appoint a hearing officer from an approved list of appraisers. Hearing Officers are either state-certified general real property appraisers or state-certified residential real property appraisers as classified by the Georgia Real Estate Commission and the Georgia Real Estate Appraisers Board, and who have received the necessary training by the Georgia Real Estate Appraisers Board. In the case of wireless property matters, Hearing Officers must be designated appraisers of such property with proper qualifications and experience to value such property. The County will pay for the services of the hearing officer; however, the taxpayer is responsible for any additional costs they may incur, such as legal representation and appraisal fees.
- The decision of the hearing officer may be appealed to Superior Court by either party.
Taxes/Homestead Exemption
Why are estimated taxes not shown for taxing authorities that provided an estimated rollback rate, but are shown for one city that did not certify an estimate?
The law also anticipated that some cities might not comply with the requirement to provide an estimate. In such cases, it directs assessors to revert to the previous estimation method using the prior year’s millage rate.
Note: Our office is required by law to use the Annual Notice of Assessment form developed by the Georgia Department of Revenue, which reflects these changes.
The new law requires each city, county, and school system to estimate its rollback millage rate. As a result, estimated taxes are no longer shown unless a jurisdiction did not provide this estimate.
What if my property is still under appeal when the Tax Commissioner’s Office sends out the tax bills?
Personal Property
What is Business Personal Property?
I just opened a business. What must I file with the tax office
Does the Personal Property Return have to be postmarked by the U. S. Post Office?
How do I report Business Property assets
What is the deadline for filing the Business Personal Property Return Form?
Does everyone have to pay tax on Business Personal Property?
What exemptions are available to businesses?
What happens if I don't file a Business Personal Return or if I file it late?
How do I appeal my new Personal Property valuation?
All appeals must be received or postmarked within 45 days of the notice date.
We can accept any letter of disagreement that identifies the property (by parcel number or address) and is received or postmarked within a 45-day period as a formal appeal. Any information concerning the reasons for the appeal or information you can share about the property will greatly assist in the process. Grounds for appealing your valuation are:
- Value: Would the property sell for the appraised amount?
- Taxability: Is the property taxable?
- Uniformity: Is the appraisal uniform with other similar properties?