Property Tax Deductions: The Complete Guide

The SALT Deduction Cap: What Changed

The Tax Cuts and Jobs Act (TCJA) of 2017 capped the State and Local Tax (SALT) deduction at $10,000 ($5,000 married filing separately). This limit covers the combined total of:

- State and local income taxes (or sales tax)
- Property taxes

Before the cap, homeowners in high-tax states could deduct their full property tax and state income tax. A homeowner in New Jersey paying $12,000 in property taxes and $8,000 in state income tax used to deduct $20,000. Now they're capped at $10,000.

Who does this affect most? Homeowners in high-tax states: New Jersey (avg. $9,527 property tax), Connecticut ($7,925), New Hampshire ($7,526), New York ($7,000+). If your property tax alone exceeds $10,000, you're leaving money on the table.

The cap is set to expire December 31, 2025 — Congress may extend, modify, or let it expire. If it expires, the full deduction returns for tax year 2026.

Common Property Tax Exemptions

Most states offer exemptions that reduce your assessed value, lowering your tax bill:

Homestead Exemption — Available in most states for primary residences. Texas offers one of the most generous: a $100,000 exemption on school district taxes. Florida caps assessment increases at 3% per year (Save Our Homes). This can save $1,000-5,000+ annually.

Senior / Over-65 Exemption — Additional exemptions for homeowners over 65. Some states freeze the assessed value entirely. Texas adds $10,000 to the homestead exemption for seniors.

Disability Exemption — Similar to senior exemptions for qualifying disabled homeowners. Often includes a tax ceiling (payment can't increase).

Veteran Exemption — Many states offer partial or full exemptions for disabled veterans. Some states (like Texas) offer complete property tax exemption for 100% disabled vets.

Agricultural / Land Use — Rural property used for farming or timber can qualify for use-value assessment instead of market value, often reducing taxes 50-90%.

Check your state's specific exemptions using our property tax calculator.

How to Appeal Your Property Tax Assessment

Your property tax bill is based on your home's assessed value × the tax rate. While you can't change the rate, you CAN challenge the assessed value. Studies suggest 30-40% of properties are over-assessed.

Step 1: Check Your Assessment
Get your property card from the assessor's office (or website). Check for errors: wrong square footage, extra bedrooms/bathrooms, incorrect lot size, or features you don't have. Data errors are the easiest wins.

Step 2: Research Comparable Sales
Find 3-5 similar properties that sold recently for less than your assessed value. "Similar" means: same neighborhood, similar size, age, condition, and lot size. These "comps" are your strongest evidence.

Step 3: File an Appeal
Most jurisdictions have a 30-90 day window after assessments are published. File an informal appeal first (often a conversation with the assessor), then a formal appeal to the review board if needed.

Step 4: Present Your Case
Bring your comps, photos of any property issues (deferred maintenance, flood zone, noise), and the assessment errors you found. Be factual, not emotional.

Success rate: About 40-50% of formal appeals result in a reduction. The average reduction is 10-15% of assessed value.

States With the Lowest and Highest Property Taxes

Lowest Effective Rates (2026):
1. Hawaii — 0.27%
2. Alabama — 0.37%
3. Louisiana — 0.51%
4. Wyoming — 0.55%
5. Colorado — 0.55%

Highest Effective Rates (2026):
1. New Jersey — 2.13%
2. Illinois — 2.05%
3. Connecticut — 1.96%
4. New Hampshire — 1.86%
5. Texas — 1.60%

On a $350,000 home, the difference between Hawaii (0.27% = $945/year) and New Jersey (2.13% = $7,455/year) is $6,510 per year — $54,250 over 10 years. That's a second car, a year of college tuition, or significant retirement savings.

See the complete ranking: Lowest Property Tax States.