You finally finished the big project, and then, the worry hits:
Did I just raise my property taxes?
It’s a common question we hear from homeowners, especially during a county-wide revaluation year. And while there’s some truth behind the concern, it is not a universal rule.
Not all improvements affect your property taxes the same way. That’s why it’s important to have realistic expectations, so you’re not caught off guard when the revaluation notice shows up in your mailbox.
Let’s dive in.
How Property Taxes Are Actually Affected by Home Improvements
Property tax changes are based on your local government’s assessed value of your home, which is meant to reflect your home’s value in the current market.
This assessed value, your county’s tax department calculates your property tax bill using the millage rate (that’s the local tax rate). No need to get into the math here; we’ll save that for another conversation. Just know that value drives the number, not the other way around.
If you’ve completed significant home improvements that required a permit, your local government may be notified of the work and decide to reassess your home before the next revaluation.
That said, most improvements are captured during the scheduled revaluation year. It’s simply easier for the county to batch updates.
Whether or not your property taxes actually increase depends entirely on what kind of renovation was done, and whether it added measurable value to your home.
Home Improvements That Commonly Increase Property Taxes
Certain home improvements are more likely to lead to a higher assessed value, especially when they add livable square footage or make substantial changes to the home’s structure.
The most common value-adding upgrades include:
- Major kitchen or bathroom remodels
- Finished basements or attics
- Major structural or layout changes
What do these have in common? Most of them add something called Gross Living Area (GLA). That’s the main value-driver your county considers when reassessing value.
Since home value is often calculated using a price per square foot, adding to your livable space typically increases your home’s value. And that, in turn, raises your assessed value (and your property tax bill).
Improvements That Don't Have A Big Impact
We all get the home-improvement itch, or the DIY bug.
And most of the time, these improvements:
- Do not have significant impact on home value
- Do not add GLA
- Do not require permits
- Do not move the needle on your assessed value
Some common improvements that don’t typically trigger a property tax increase include:
- Cosmetic updates like paint or new flooring
- Minor repairs
- Replacing old systems with newer ones (like-for-like HVAC, water heaters, etc.)
These kinds of updates are considered maintenance, not improvements. And they’re often expected as part of the normal homeownership life cycle.
TAG Tip: Will a new roof increase the value of a home?
Not typically. Roof replacements are considered routine maintenance, something counties already expect a homeowner to address. However, a neglected or failing roof can work against your value, since it’s viewed as deferred maintenance and may reduce what buyers are willing to pay if you were to sell.
Do Permits Automatically Increase Property Taxes?
No, permits do not automatically increase property taxes.
A permit is simply authorization to begin work, not a trigger for reassessment.
Your county assessor is unlikely to know about it, unless it was flagged directly or they happen to manually search your property records outside of the revaluation year.
In most cases, permitted home improvements are assessed during the next county-wide revaluation.
For example, if you finished your basement in Thomasville, NC, in 2022, you can expect to see your new assessed value this year in 2026, since Davidson County is in a revaluation year.
Does A Property Tax Increase Mean You Should Appeal?
This is, hands-down, our most frequently asked question during a revaluation year.
And the answer, frustrating as it might be, is: it depends.
Just because your assessed value went up doesn’t automatically mean something is wrong. In many cases, the increase reflects real improvements, true market appreciation, or both.
But sometimes, the number overshoots reality. Especially if the county has outdated property records, missed important context, or overvalued recent upgrades.
If you feel your new tax value doesn’t align with your home’s quality and condition, it’s worth talking to someone who understands how this works.
That’s where we come in!
If you’re weighing your options and are unsure whether an appeal makes sense, give us a call or fill out our quick form.
We’ll review your specific situation at no cost and help you decide if appealing is the right move for you.
When an Appraisal Can Help After Improvements
If you decide to file a property tax appeal, supplying an appraisal as evidence can strengthen your case.
Especially if the disagreement comes down to:
- The quality or condition of the home
- Discrepancies in GLA
- A valuation that doesn’t reflect recent improvements accurately
Appraisal reports offer a clear, third-party view of your home’s market value, which can be useful during a revaluation year, even if you’re not planning to appeal. They give you a better sense of how your improvements are being valued and help ensure your property records are up to date.
Bottom line? You don’t always need an appraisal. But in the right situation, an appraisal can bring peace of mind and make your case more straightforward.
Improvements Add Value, They Don't Automatically Raise Your Taxes
By now, we hope you feel more informed about how home improvements can (and may not) affect your property tax value.
During a revaluation year, it’s important to lead with clarity over fear. So when that notice shows up in your mailbox, you’ll have a better sense of what’s behind the number.
If you’re thinking about appealing or just unsure whether your new tax value is accurate, reach out to us.
We’ll review your case, free of charge, and help you decide if an appeal makes sense.
TAG us in.
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