Georgia Mortgage Calculator: See Your True Monthly Payment
Georgia taxes property in a way most national calculators get wrong: your home is assessed at 40% of fair market value, and since 2016 the state itself hasn’t collected a dime of that — every cent goes to your county, school district, and city. On top of that, a $2,000 statewide homestead exemption and a separate senior exemption both chip away at what you actually owe. This calculator for a mortgage loan builds that math in directly, alongside realistic insurance, PMI, and HOA costs, so the number you see is the number you’ll actually pay.
Your Loan Details
Georgia Statewide Typical Spotlight
This is Georgia’s statewide typical effective rate. Since the state stopped levying its own property tax in 2016, every cent of this goes to your county, school district, and city.
Your Estimated Monthly Payment
Balance vs. interest paid over time
Payment breakdown
Enter your details above to see a plain-language read on your payment.
What If You Paid Extra Toward Principal?
Slide to test an extra monthly payment and see how many years and how much interest it saves.
What If Your Rate Changes?
| Rate scenario | Interest rate | Monthly P&I | Difference |
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Your 5-Year Equity Projection
| Year | Remaining balance | Principal paid | Interest paid | Equity |
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Understanding a Georgia Mortgage Payment
I’ve sat with enough closing disclosures to notice the same gap every time: the payment a buyer expects and the payment that actually lands in their escrow account rarely match, and property tax is usually why. A calculator for a mortgage loan that treats every state the same will get Georgia wrong, because Georgia’s math has two moving parts most national tools skip entirely — the 40% assessment ratio, and the fact that the state itself hasn’t collected a property tax since 2016. Here’s how the pieces actually fit together.
Georgia’s 40% assessment ratio, with real numbers
Every county in Georgia is required by state law to assess residential property at 40% of its fair market value, not the purchase price itself (O.C.G.A. § 48-5-7). The county Board of Tax Assessors sets that fair market value, then your local millage rate applies to the smaller, assessed number. Here’s what that looks like on a $350,000 home in a county with a combined 28-mill rate:
| Fair market value | $350,000 |
| Assessment ratio (state law) | 40% |
| Assessed value | $140,000 |
| Standard homestead exemption | – $2,000 |
| Taxable value | $138,000 |
| Example combined millage rate | 28 mills (0.028) |
| Estimated annual tax | $138,000 × 0.028 = $3,864 |
That comes out to roughly $322 a month. This calculator converts each county’s typical effective rate into that same math automatically, so you don’t need to track down your own millage rate to get a usable estimate — though the Reset and Custom rate options let you plug in exact figures if you already know them.
Why Georgia has no state property tax line item
This part genuinely surprises a lot of buyers moving to Georgia from states like New Jersey or Illinois. Georgia used to levy a small state-level ad valorem tax, but lawmakers phased it out gradually starting in 2011, and as of January 1, 2016, the state rate dropped to zero. Every dollar of property tax you pay in Georgia today goes entirely to your county government, your school district, and, if you’re inside city limits, your municipality. School district millage typically makes up the largest single share of a Georgia tax bill, since school boards are allowed to levy up to 20 mills for maintenance and operations without a referendum.
The mortgage payment formula behind the number
The principal and interest portion uses the standard amortization formula: M = P × [r(1+r)^n] ÷ [(1+r)^n – 1], where P is your loan amount, r is your monthly interest rate, and n is your total number of payments. This calculator for a mortgage loan then layers on your county’s 40%-assessment-based property tax, homeowners insurance, PMI if your down payment is under 20%, and HOA dues, since your lender will escrow most of these anyway.
The exemption most Georgia calculators skip entirely
Every owner-occupied primary residence in Georgia qualifies for a standard $2,000 reduction to assessed value on county and school taxes (O.C.G.A. § 48-5-44), and it isn’t automatic — you have to file it with your county tax assessor’s office, typically by April 1 of the year after you close. Many counties, especially in metro Atlanta, layer far more generous local exemptions on top of that statewide minimum. Homeowners age 65 and older who meet their county’s income threshold can often claim an additional exemption, commonly worth $4,000 off assessed value for county taxes, with some counties offering senior school-tax exemptions that are considerably larger. This calculator includes toggles for both so you can see the real dollar effect rather than guessing.
HB 581: Georgia’s new floating homestead exemption, and why it’s a patchwork
In 2025, Georgia rolled out a statewide floating homestead exemption under House Bill 581, sometimes called the Save Our Homes Act, which caps how fast the taxable value of a homesteaded property can grow each year at the rate of inflation, rather than letting it jump with the full market value increase. It sounds like automatic relief, but counties, cities, and school districts were each allowed to opt out for their own jurisdiction by a March 2025 deadline, and most of the largest metro Atlanta school districts did. That means whether HB 581 actually helps you depends entirely on which specific county, city, and school district your home sits in, and that patchwork is expected to change again as a 2026 law works toward making the cap mandatory statewide by 2027. Because eligibility varies block by block in some cases, this calculator doesn’t attempt to model HB 581 into the tax estimate — check your county tax commissioner’s site or your annual assessment notice to see whether your jurisdiction opted in.
Common mistakes buyers make estimating a Georgia mortgage
- Using the seller’s old tax bill as a guide. Georgia reassesses at fair market value, and a seller’s exemptions and long-held assessed value don’t transfer to you at closing.
- Forgetting to file the homestead exemption. It must be filed with your county tax assessor’s office after closing; it does not apply automatically just because you live there.
- Applying a flat national tax percentage instead of the 40% ratio. Because Georgia taxes only 40% of fair market value, generic calculators that skip this step tend to overstate your real bill.
- Assuming HB 581 automatically caps your bill. Whether the floating homestead exemption applies to you depends on whether your specific county, city, and school district opted in.
- Skipping PMI removal math. Once you reach 20% equity, you can request PMI removal, yet many owners keep paying it long after they qualify to drop it.
Tips for lowering your Georgia mortgage payment
- Compare quotes from at least three lenders; a 0.25% rate difference on a $280,000 loan changes your payment by roughly $45 a month.
- File your homestead exemption with your county tax assessor as soon as you close — deadlines are typically April 1 of the following year.
- If you or a co-borrower is 65 or older, ask your county tax commissioner’s office which senior exemptions you qualify for; many go well beyond the statewide $4,000 minimum.
- Watch your annual notice of assessment closely. Georgia gives you only 45 days from the mailing date to appeal if you believe your fair market value is too high.
- Use the extra-payment scenario tool above to see how even $100 a month toward principal can shorten a 30-year Georgia loan by years.
Frequently Asked Questions
What is a Georgia mortgage calculator?
It is a tool that estimates your full monthly home payment in Georgia, including principal, interest, property tax based on the state’s 40 percent assessment ratio, homeowners insurance, PMI, and HOA dues.
How accurate is this Georgia mortgage calculator by payment?
The principal and interest math is exact, based on the standard amortization formula. Property tax and insurance figures are estimates built from typical Georgia county rates, so your actual escrow figures may vary once a lender underwrites your loan.
Does Georgia have a state property tax?
No. Georgia phased out its state-level property tax between 2011 and 2016. Since January 1, 2016, the state levies no ad valorem property tax; all property tax revenue goes to counties, school districts, and municipalities.
How do I figure out a mortgage payment by hand in Georgia?
Multiply your home’s fair market value by 40 percent to get the assessed value, subtract any homestead exemptions, multiply the result by your local millage rate to estimate annual property tax, then add that monthly figure to your amortized principal, interest, insurance, PMI, and HOA.
What is the Georgia homestead exemption?
It is a statewide minimum $2,000 reduction to assessed value for county and school taxes on an owner-occupied primary residence, filed with your county tax assessor’s office. Many counties offer larger local exemptions on top of this minimum.
What is Georgia’s HB 581 floating homestead exemption?
It is a 2025 state law that caps how fast the taxable value of a homesteaded property can grow each year at the inflation rate, rather than the full market increase. Counties, cities, and school districts could each opt out individually, so whether it applies to you depends on your specific local jurisdiction.
Do homeowners 65 and older get a property tax break in Georgia?
Yes. Georgia offers an additional exemption, commonly $4,000 off assessed value for county taxes, to homeowners 65 and older who meet their county’s income limit, and many counties offer more generous senior school-tax exemptions on top of that.
What down payment do I need to buy a home in Georgia?
Conventional loans often start around 3 to 5% down, FHA loans typically require 3.5%, and VA loans can allow 0% down for eligible veterans, which is common near Georgia’s military installations like Fort Moore and Fort Gordon.
When can I remove PMI on a Georgia home loan?
Federal law lets you request PMI removal once you reach 20% equity, and lenders must automatically cancel it at 22% equity based on the original amortization schedule, assuming your payments are current.
Should I choose a 15-year or 30-year mortgage in Georgia?
A 15-year term carries a lower rate and far less total interest but a higher monthly payment. Most Georgia buyers choose a 30-year term for flexibility, then add extra principal payments when they can.
Does this calculator include closing costs?
No, this tool focuses on the ongoing monthly payment. Georgia closing costs, including title work, recording fees, and transfer tax, typically run 2 to 5% of the purchase price.
References
- Georgia Department of Revenue, Property Tax assessment and exemption FAQ – dor.georgia.gov/property-tax-real-and-personal-property-faq
- Georgia Department of Revenue, Property Tax Millage Rates – dor.georgia.gov/local-government-services/digest-compliance/property-tax-millage-rates
- Consumer Financial Protection Bureau, Owning a Home resources – consumerfinance.gov/owning-a-home
- U.S. Department of Housing and Urban Development, homebuying guidance – hud.gov/topics/buying_a_home
Related DexoCalc Tools
This Georgia mortgage calculator is part of a growing Mortgage Calculators cluster I am building out on DexoCalc, with the goal of covering every state. Start with the national Mortgage Calculator to compare Georgia against other states, check the California Mortgage Calculator to see how differently property tax works under Proposition 13, or browse the full Mortgage Calculators hub to see every state-specific tool as new ones are published.
This calculator provides estimates for educational purposes only and is not a loan offer, pre-approval, or substitute for advice from a licensed mortgage professional. Property tax, exemption, and insurance figures are approximations; confirm exact figures and eligibility with your county tax assessor. Sources: Georgia Department of Revenue, CFPB.