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Yes, adding a patio or other concrete feature can increase your property taxes, particularly if it's considered a permanent improvement. The general rule is that if the project requires a permit, your property taxes will likely go up.

Permanent structures like a poured concrete patio are considered capital improvements that require a permit, which will trigger a reassessment of your property's value. Other concrete projects that typically increase taxes include:

• Pool decks

• Walkways

• Driveways

• Steps

• Foundations

In contrast, 'temporary' installations, such as a paver or flagstone patio, may not require a permit and are less likely to affect your property taxes.

Permit costs for a concrete patio can range from $75 to $200. While the tax increase varies based on your location and the project's size, it is often a minimal amount. Always contact your local building department before starting a project to confirm permit requirements and any potential impact on your taxes.

A concrete overlay on an existing slab can range from 1/4 of an inch to 2 inches thick, though a minimum of 2 inches is often recommended to ensure stability and quality. The ideal thickness depends on the condition of the existing concrete and the depth of any planned designs or imprints. Before applying the overlay, it's important to repair and clean the surface, then apply a primer. For specialized work like a stamped concrete overlay, hiring an experienced contractor is recommended to determine the correct thickness and ensure the new layer isn't too high or heavy. For context, most standard concrete slabs are between 4 and 6 inches thick.

You can seal a concrete slab by cleaning the surface, filling in any cracks, etching the surface, applying a sealer, and letting it dry. Concrete slabs don't typically need sealing, but you can use a topical concrete sealer if you notice signs of water damage. If you haven't already fixed the cause of the leak, then you'll want to repair the plumbing before you seal a concrete slab.

Minor hairline cracks in your concrete may not look pretty, but they’re often not serious. It’s when concrete cracks are larger—wide enough that you can slide a credit card into it—that you need to worry. If you monitor a crack and can trace its active expansion over time, you’ll definitely want to call in a pro to inspect it and, potentially, repair it. Want to prevent cracks in your garage and driveway concrete in the future? Stay on top of sealing. Here’s how to seal your concrete garage floor and driveway.