Home
/US Property Taxes
/Georgia
/Cobb County
/Hiram

Hiram, Cobb County, Georgia Property Taxes

$774 avg. annual savings
No Upfront Costs
You only pay if we save

Property Taxes in Hiram, Georgia

  • Median Hiram, Georgia effective property tax rate: 1.02%, significantly lower than the national median of 1.02%, and higher than the Georgia state median of 1.00%.

  • Median Hiram, Georgia home value: $381,500

  • Median annual Hiram, Georgia tax bill: $3,611, $1,211 higher than the national median property tax bill of $2,400.

How are property taxes in Cobb calculated?

Property taxes in Hiram, Georgia are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.

Understanding Hiram's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Hiram, knowing local tax details benefits homeowners and investors.

Last Updated April 13, 2026

Hiram, Cobb County, Georgia Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.02%

Estimate Property Tax Bill

$3,891

$3,611

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the Hiram Property Tax Calculator Work?

Use this Hiram property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Hiram's median effective tax rate of 1.02% — based on actual property records in Cobb County — to generate your estimate.

Enter your property's estimated assessed value — the figure the local assessment process uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Hiram's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.

Your bill may vary by ZIP code within Hiram: rates range from 1.02% in 30141 to 1.02% in 30141, primarily due to differences in school district levies and local assessment districts. Hiram's median property tax bill is $3,611, which is higher than Georgia's median bill by $1,211 and higher than the national median property tax bill of $2,400.

If your estimate is higher than expected, Ownwell can appeal your Hiram assessment — you only pay if we save you money.

About Hiram Property Taxes

About Property Taxes in Hiram, Cobb, Georgia

Hiram’s median effective property tax rate of 1.02% is lower than the Georgia state median of 1.00% and higher than the national median of 1.02%. This rate reflects the Cobb County base levy combined with local school district levies and Community Improvement Districts that vary by subdivision throughout the city.

Property tax rates are not uniform across Hiram. Homeowners in the 30141 ZIP code carry a median effective rate of 1.02%, while those in the same ZIP code pay 1.02%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Cobb County. Understanding which part of Hiram you live in can make a meaningful difference to your annual tax bill.

Hiram homeowners who believe their assessed value is too high can file a formal appeal with the Assessor's Office before the June 22, 2026 deadline each year.

If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.

Property Tax Rates Across Hiram, Cobb County, Georgia

As noted earlier, local government entities set tax rates, which can vary widely within a state.

Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.

While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.

Below, you can compare Hiram's effective property tax rate to other cities in Georgia and the median property tax rates in Georgia and the U.S.

Property Tax Rates Across Hiram, Cobb County, Georgia

Source: Ownwell

0.34%

0.77%

1.21%

Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.

Median Effective Hiram Tax Rate

1.02%

Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.

Median Effective Cobb County Tax Rate

0.98%

Median Effective Georgia Tax Rate

1.00%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Hiram, Cobb County, Georgia

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
301410.26%0.85%1.02%1.05%1.21%

Source: Ownwell

Property Tax Assessment Values Across Hiram, Cobb County, Georgia

When examining property taxes in Hiram, Georgia, understanding the distinction between "market value" and "assessed value" is crucial.

The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Cobb County appraisal district estimates the market value for tax purposes.

The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.

Assessment notices:

In Cobb County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of May.

Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Hiram.

For example, the median home price in Hiram is $381,500, with tax bills ranging significantly across the county. 30141 has the highest median home price at $381,500.

Property Tax Assessment Values Across Hiram, Cobb County, Georgia

Source: Ownwell

$207,520

$406,970

$606,420

Median Hiram Market Value

$381,500

Median Cobb County Market Value

$401,460

Median Georgia Market Value

$280,310

Median United States Market Value

$235,294

Property Tax Assessment Values Across Hiram, Cobb County, Georgia

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
30141$322,614$349,290$381,500$484,075$671,924

Source: Ownwell

Property Tax Bills Across Hiram, Cobb County, Georgia

Property tax bills in Hiram are based on the assessed value of a home, not its market price alone. Local taxing authorities apply the tax rate to that assessed value, so a higher assessment can mean a higher bill. For homeowners, that makes the assessment process especially important, since it directly affects what you owe each year.

With a median home price of $381,500, Hiram homeowners often face bills that can vary widely depending on the property and its assessment. The 25th percentile tax bill is $3,026, while the 75th percentile is $4,302 and the 90th percentile is $4,797. The median tax bill in the area is $3,611, which is above the national median property tax bill of $2,400 and reflects a heavier local burden.

Ownwell helps homeowners save by reviewing assessments for inaccuracies and identifying opportunities to appeal property taxes. If your home is overassessed, Ownwell can help lower your property tax bill and keep more money in your pocket.

Property Tax Bills Across Hiram, Cobb County, Georgia

Source: Ownwell

$1,936

$3,541

$5,146

Median Hiram Tax Bill

$3,611

Median Cobb County Tax Bill

$3,337

Median Georgia Tax Bill

$2,476

Median United States Tax Bill

$2,400

Property Tax Bills Across Hiram, Cobb County, Georgia

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
30141$1,229$3,026$3,611$4,302$4,797

Source: Ownwell

Don't miss the deadline to appeal!

Frequently Asked Property Tax Questions in Hiram, Georgia

How are property taxes calculated in Hiram, Georgia?
Property taxes in Hiram, Georgia are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.
How do I appeal my property taxes in Hiram, Georgia?
To appeal your property taxes in Hiram, Georgia, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.
What property tax exemptions are available in Hiram, Georgia?
Common property tax exemptions in Hiram, Georgia include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.
When are property taxes due in Hiram, Georgia?
Property tax deadlines in Hiram, Georgia vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.
How can Ownwell help reduce my property taxes in Hiram, Georgia?
Ownwell provides professional property tax appeal services in Hiram, Georgia. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.