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Updated 2025 Tax Year

Westmoreland County
Property Tax Guide

Everything you need to know about property taxes in Westmoreland County, PA. Rates, due dates, exemptions, and how it affects your monthly payment.

10 Official Sources
8 min read
Quick Facts
Tax Rate
1.0%-2.5% of assessed value (varies by municipality, school district, and special districts)
Exemptions
5+ Available
Section 1

How Property Tax Works

Westmoreland County, Pennsylvania operates under a property tax system that funds essential county services, local school districts, and municipal operations. Property taxes in the county are administered by local tax collectors and assessors, with the Westmoreland County Assessment Office handling property valuations. The effective tax rate typically ranges from approximately 1.0% to 2.5% of assessed value, depending on your specific location within the county.

Tax rates vary significantly across Westmoreland County due to different combinations of municipal, school district, and special taxing district levies. Each property owner's total tax bill consists of multiple components: county taxes, municipal taxes, school district taxes, and any applicable special district assessments. The county uses a base assessment rate of approximately 1%, but your actual rate depends on which municipality, school district, and special taxing districts serve your property location.

Properties are assessed at 100% of fair market value, with reassessments conducted countywide periodically. The most recent county-wide reassessment helps ensure equitable taxation based on current property values throughout Westmoreland County's diverse communities.

Section 2

What Makes Up Your Tax Bill

ComponentTypical Rate RangeDescription
County Tax0.25-0.35%Funds county services, courts, emergency services
Municipal Tax0.15-0.75%City/township services, police, fire, public works
School District Tax0.60-1.40%Local school district operations and facilities
Special Districts0.05-0.25%Fire districts, library districts, other special assessments
Total Combined1.05-2.75%Varies by specific property location

Note: These rates reflect typical ranges for Levy Year 2024-2025. Exact rates vary by municipality and school district within Westmoreland County. Contact your local tax collector for precise rates applicable to your property address. Some areas may have additional special district assessments not listed above.

The transfer tax rate in some municipalities like Murraysville increased to 1.00% effective January 1, 2025. Check with your specific municipality for current local tax rates and any recent changes.

Section 3

When Are Property Taxes Due?

For the 2025/2026 tax year in Westmoreland County, property taxes are due in two installments:

Pro tip: If you pay through mortgage escrow, your lender splits these payments across your monthly mortgage. If you pay directly, set calendar reminders to avoid late penalties.
Section 4

Supplemental Tax Bills

Supplemental taxes in Westmoreland County are additional property tax assessments issued when there are changes to property ownership, improvements, or new construction that occur after the regular assessment period. These supplemental bills ensure that property taxes reflect current property conditions and ownership throughout the tax year.

Supplemental taxes are most commonly triggered by: new construction or major renovations that increase property value, change in property ownership that reveals unreported improvements, corrections to previous assessment errors, or addition of new structures or significant improvements. The supplemental tax is calculated based on the difference between the old and new assessed values, prorated for the remaining months in the current tax year.

For example, if you complete a $50,000 home addition in March and your total tax rate is 2.0%, the supplemental tax would be calculated as: ($50,000 × 2.0% = $1,000) × (9 months remaining ÷ 12 months) = $750 supplemental tax due. Supplemental tax bills are typically issued within 60-90 days after the assessment change and have their own due dates separate from regular property tax payments.

Example Calculation

Example 1: $300,000 Property

  • Assessed Value: $300,000
  • Homestead Tax Credit Applied: -$18,000 (reduces taxable value, requires application)
  • Net Taxable Value: $282,000
  • Combined Tax Rate: 1.8%
  • Annual Tax: $5,076
  • Monthly Escrow: $423

Example 2: $600,000 Property

  • Assessed Value: $600,000
  • Homestead Tax Credit Applied: -$18,000 (requires application)
  • Senior Citizen Tax Credit: -$650 (if qualified, requires application)
  • Net Taxable Value: $581,350
  • Combined Tax Rate: 2.1%
  • Annual Tax: $12,208
  • Monthly Escrow: $1,017

Example 3: $1,000,000 Property

  • Assessed Value: $1,000,000
  • Homestead Tax Credit Applied: -$18,000 (requires application)
  • Net Taxable Value: $982,000
  • Combined Tax Rate: 2.3%
  • Annual Tax: $22,586
  • Monthly Escrow: $1,882

Note: All tax credits shown require separate applications and approval. Homestead credits limit assessment increases rather than providing direct reductions. Actual rates vary by location within Westmoreland County.

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Section 5

Escrow & Property Taxes

Most mortgage lenders in Westmoreland County require property tax escrow accounts for borrowers with less than 20% down payment or upon borrower request. Your lender collects monthly escrow payments along with your mortgage payment, typically 1/12 of your estimated annual property tax bill. The lender holds these funds in a separate account and pays your property taxes directly to the appropriate tax collectors when due.

Lenders typically conduct annual escrow analyses to ensure adequate funds are collected. If property taxes increase due to rate changes or assessment increases, your monthly escrow payment will be adjusted accordingly. Pennsylvania law requires lenders to provide advance notice of escrow payment changes. You'll receive an annual escrow statement showing all deposits, payments, and account balances.

Property owners with escrow accounts should verify that their lender pays all tax bills on time, as property owners remain ultimately responsible for tax payments even when using escrow. Keep copies of all tax bills and verify payments appear correctly on your escrow statements. If you pay off your mortgage or refinance, ensure a smooth transition of tax payment responsibility to avoid late penalties.

How HonestCasa Helps
  • Understand whether your escrow is set correctly
  • See how rising taxes will change your monthly payment
  • Plan ahead instead of being surprised by "shortage" letters
Section 6

Frequently Asked Questions

Q: When are property taxes due in Westmoreland County for the 2024-2025 tax year? A: Tax payment deadlines vary by municipality within Westmoreland County. Most areas have due dates in the fall, typically between September and December. Property owners have until the Friday before any tax sale to pay delinquent taxes. Contact your local tax collector for specific due dates in your municipality.

Q: What tax credits are available and do they require applications? A: Available tax credits include Homestead Tax Credits (requires annual application), Senior Citizen Tax Credits (requires application and income qualification), Veteran's Tax Credits (requires application and proof of service), and Disability Tax Credits (requires application and documentation). None of these credits are automatic - all require separate applications filed with the appropriate office.

Q: How does the Homestead Tax Credit work? A: The Homestead Tax Credit typically caps annual assessment increases rather than reducing your property's market value. It requires filing an annual application by the March 1 deadline. The credit helps limit dramatic tax increases due to rising property values but doesn't exempt you from all property tax obligations.

Q: How often are properties reassessed in Westmoreland County? A: Westmoreland County conducts periodic county-wide reassessments, typically every several years. Between formal reassessments, individual properties may be reassessed due to sales, improvements, or appeals. Property owners can appeal assessments through the Board of Assessment Appeals within specific timeframes after receiving assessment notices.

Q: What are the penalties for late property tax payments? A: Late payment penalties vary by municipality but typically include interest charges and penalty fees that accumulate monthly. Properties with significantly delinquent taxes may be subject to tax sales. Contact your local tax collector immediately if you cannot make payments on time to discuss possible payment arrangements.

Q: Can I pay property taxes online in Westmoreland County? A: Online payment options vary by municipality within Westmoreland County. Many local tax collectors now offer online payment systems, but availability depends on your specific tax collector. Check with your municipal tax collector's office or visit their website for available payment methods and any associated convenience fees.

Q: Why do tax rates vary within Westmoreland County? A: Tax rates differ based on which combination of taxing authorities serve your property: county taxes are uniform, but municipal taxes, school district taxes, and special district assessments vary significantly. A property in one school district and municipality will have different rates than a property served by different districts.

Q: What triggers a supplemental tax bill? A: Supplemental taxes are issued for new construction, major renovations, change of ownership revealing unreported improvements, or assessment corrections. These bills are prorated for the remaining tax year and have separate due dates from regular tax bills.

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