Pennsylvania has one of the most misunderstood tax systems in the country. Its 3.07% flat income tax rate is the second-lowest in the nation among states with a broad income tax — but the absence of a standard deduction, personal exemption, and most common itemized deductions means Pennsylvanians can’t reduce their taxable income the way residents of other states can. Understanding exactly what is and isn’t deductible on a PA return is critical to not overpaying.
The Most Important Thing PA Taxpayers Get Wrong
Many Pennsylvania residents assume their PA state return works like their federal return — with a standard deduction they can take automatically, and itemized deductions for things like mortgage interest and property taxes. None of that applies to Pennsylvania.
The PA-40 (Pennsylvania’s individual income tax return) does not have a standard deduction. It does not allow a personal exemption. And unlike the federal return or New Jersey’s return, Pennsylvania does not allow a deduction for mortgage interest paid on your home and does not allow a deduction for real estate property taxes on the state return. You pay 3.07% on essentially your gross income from each class, minus a narrow set of allowed deductions.
What Pennsylvania Actually Taxes
Pennsylvania taxes eight classes of income, and losses in one class cannot offset income in another — a strict rule that surprises many filers. The eight classes are:
- Compensation (wages, salaries, tips)
- Interest
- Dividends
- Net profits from a business, profession, or farm (Schedule C equivalent)
- Net gains from the sale of property
- Net income from rents, royalties, copyrights, and patents
- Income from estates and trusts
- Gambling and lottery winnings (PA lottery cash prizes are taxable; noncash prizes are not)
What IS Deductible on a PA Return
1. Unreimbursed Employee Business Expenses
This is one of the most valuable PA-specific deductions — and it’s the opposite of the federal rule. While the federal government eliminated the unreimbursed employee expense deduction in 2018, Pennsylvania still allows W-2 employees to deduct unreimbursed ordinary and necessary business expenses directly from compensation on the PA-40.
This includes tools required for your job, uniforms not suitable for everyday wear, home office expenses if required by your employer, professional dues and subscriptions, and work-related travel your employer doesn’t reimburse. There is no floor and no cap — you deduct the full amount of qualifying unreimbursed expenses from your PA compensation.
2. Health Savings Account (HSA) Contributions
Contributions to an HSA are deductible on the PA return (to the extent they are not already excluded from PA income through payroll). Pennsylvania conforms to the federal HSA deduction.
3. PA 529 College Savings Contributions
Contributions to a Pennsylvania 529 college savings plan are deductible on the PA return — up to the annual gift tax exclusion amount per beneficiary. This is a direct dollar-for-dollar reduction of PA taxable income. Out-of-state 529 plans do not qualify for the PA deduction.
4. Business Expenses (Self-Employed)
Self-employed taxpayers deduct ordinary and necessary business expenses from net profits, consistent with federal Schedule C treatment. However, PA does not allow a net operating loss carryforward — if your business has a loss in a given year, you cannot carry it to a future year on your PA return.
5. Home Sale Exclusion
Capital gains from the sale of a principal residence are excluded from PA taxable income for taxpayers who meet the ownership and use requirements — consistent with the federal exclusion ($250,000 single / $500,000 married). This is one of the most significant exclusions available on the PA return.
What Is NOT Deductible on a PA Return
- Mortgage interest — not deductible on PA state return
- Real estate property taxes — not deductible on PA state return
- Charitable contributions — not deductible on PA state return
- State and local taxes (SALT) — no PA deduction
- Medical expenses — not deductible on PA state return
- Standard deduction — Pennsylvania has none
- Personal or dependent exemptions — Pennsylvania has none
Pennsylvania’s Retirement Income Exemption: A Major Benefit
One of Pennsylvania’s most taxpayer-friendly rules: retirement income is not taxed on the PA return. Social Security benefits, pension payments from a qualifying employer plan, IRA distributions after age 59½, 401(k) distributions, and military retirement pay are all exempt from Pennsylvania income tax. This makes Pennsylvania one of the most retirement-friendly states in the country from a tax standpoint — a meaningful offset to the lack of standard deductions.
Local Earned Income Tax: The Third Tax Layer
In addition to federal tax (federal rates) and Pennsylvania state tax (3.07%), most Pennsylvania residents also pay a local earned income tax (EIT) collected by their municipality or school district. Rates vary by location:
- Philadelphia: 3.75% for residents, 3.44% for non-residents working in the city
- Pittsburgh: 3% combined city and school district rate for residents
- Most suburban municipalities: 1%–2% combined rate
- Some boroughs and townships: As low as 0.5%
Your employer typically withholds local EIT based on your work location and residence. Self-employed individuals must pay local EIT directly through quarterly estimated payments to their local tax collector. The Pennsylvania Local Tax Enabling Act governs these taxes.
The Property Tax/Rent Rebate Program
While Pennsylvania doesn’t allow a property tax deduction on the state return, it does offer a separate Property Tax/Rent Rebate (PTRR) program for eligible seniors (65+), widows and widowers (50+), and people with disabilities (18+). The program provides direct rebates of up to $1,000 statewide — and up to $1,500 in Philadelphia, Pittsburgh, and Scranton with a supplemental kicker.
| Income | Standard Rebate | Philadelphia/Pittsburgh/Scranton Max |
|---|---|---|
| $0 – $8,550 | $1,000 | $1,500 |
| $8,551 – $16,040 | $770 | $1,155 |
| $16,041 – $19,240 | $460 | $690 |
| $19,241 – $48,110 | $380 | $570 |
Income for PTRR purposes excludes half of Social Security income — making more seniors eligible than their gross income might suggest. Apply through the PA Department of Revenue’s myPATH portal. The deadline was extended to December 31, 2025 for the 2024 benefit year.
The Working Pennsylvanians Tax Credit (New for 2025)
Pennsylvania launched a new state-level earned income tax credit in 2025 — the Working Pennsylvanians Tax Credit. Modeled on the federal EITC, this credit is available to qualifying lower-income workers and is estimated to provide $193 million in total relief to approximately 940,000 Pennsylvanians. The credit amount is calculated based on your income and family size. Check the PA Department of Revenue’s myPATH portal for the calculator and eligibility requirements.
PA vs. Federal: Side-by-Side Comparison
| Item | Federal (2025) | Pennsylvania State |
|---|---|---|
| Tax rate | 10%–37% progressive | 3.07% flat |
| Standard deduction | $15,000 / $30,000 | None |
| Mortgage interest | Deductible (up to $750K loan) | Not deductible |
| Property taxes | Deductible (SALT cap $10K) | Not deductible |
| Unreimbursed employee expenses | Not deductible (post-2018) | Deductible |
| Charitable contributions | Deductible (if itemizing) | Not deductible |
| Retirement income | Taxable (most types) | Exempt |
| Social Security | Up to 85% taxable | Exempt |
| Capital gains (home sale) | Excluded up to $250K/$500K | Excluded (same rules) |
| 529 contributions | No federal deduction | Deductible (PA 529 only) |
Use the free deduction finder to identify which federal deductions apply to your situation, and pair it with this guide to understand how your PA return differs. For county-specific guides covering local EIT rates, property tax levels, and region-specific deduction opportunities, use the regional guides below.
Pennsylvania Regional Tax Guides
Pennsylvania’s 67 counties each have their own earned income tax (EIT) rates, school district taxes, and local nuances that affect what you owe and what you can deduct. Select your region below for a detailed guide tailored to your area.