Allegheny County, Pennsylvania • Homestead/Farmstead Exclusion guide • 2026 update
Allegheny County Homestead Exemption: Rules, Savings, Status Check, Filing Steps and Local Contacts
The Allegheny County homestead exemption is usually called the Homestead/Farmstead Exclusion.
It can reduce the taxable assessed value of an owner-occupied primary residence for county property-tax purposes.
Allegheny County’s commonly published county homestead exclusion amount is $18,000 of assessed value.
The application deadline is commonly treated as March 1 for the exclusion to apply to that tax year.
File and check status through Allegheny County property assessment resources. Tax bill and payment questions go to the Treasurer.
Fast answer
Allegheny County Homestead Exemption Quick Summary
Allegheny County commonly uses this wording instead of only “homestead exemption.”
Reduces assessed value for county property-tax calculation when the property qualifies.
File by March 1 for the cleanest current-year review.
Handles assessment records and homestead/farmstead processing.
Handles county real estate tax bills, payments and tax-bill questions.
Search the parcel and review the homestead/exclusion information shown on the record.
A homestead exclusion reduces taxable assessment. It does not lower the property’s base-year market value and it does not replace a value appeal.
Status check
How to Check Allegheny County Homestead Exemption Status Online
Start with the official Allegheny County Real Estate Portal.
Search your property, open the parcel record and look for homestead, farmstead, owner-occupied or exclusion information.
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Open the Real Estate Portal.
Use the county portal, not a people-search or private property-data website.
Open Allegheny County Real Estate PortalAfter opening: choose the search option, enter the property address or owner name, open the correct parcel and confirm the municipality, school district and owner information. -
Confirm the correct property.
Match the street address, parcel ID, municipality and owner details before trusting the result.
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Look for homestead or exclusion fields.
Allegheny records may show the benefit through homestead/farmstead, owner-occupied or taxable-assessment information.
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Check the tax year.
An older record or prior-owner benefit may not prove your current-year status.
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Contact Property Assessments if unclear.
Have the parcel ID, filing date, owner name and application copy ready.
A submitted application may not appear instantly online. If the record is unclear, contact the Office of Property Assessments before assuming approval or denial.
Filing workflow
How to Apply for the Allegheny County Homestead/Farmstead Exclusion
The application is for a property you own and occupy as your primary residence.
A farmstead exclusion is different and relates to qualifying farm buildings on eligible agricultural property.
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Confirm the home is your primary residence.
The homestead exclusion is for owner-occupied residential property.
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Find your parcel first.
Use the Real Estate Portal to confirm the parcel ID, municipality and school district.
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Open Allegheny County Property Assessment resources.
Find the current Homestead/Farmstead Exclusion application or online service page.
Open Property Assessment OfficeAfter opening: search within the Property Assessment area for “Homestead/Farmstead Exclusion,” confirm the current form or service, and check the submission instructions before filing. -
Complete the owner and property details.
Use the exact owner name, property address and parcel ID from the county record.
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Submit before the deadline.
Use March 1 as the key date unless the county publishes a different instruction for the year.
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Save proof of filing.
Keep a copy of the application, confirmation, mailing proof or stamped receipt.
If your assessment is too high, file an assessment appeal. If your primary-residence exclusion is missing, use the homestead/farmstead process.
Local contacts
Allegheny County Offices: Who Handles What?
Office of Property Assessments
Use for: homestead/farmstead exclusion, parcel records, assessed value, ownership display and assessment questions.
Address: 542 Forbes Avenue, Room 347, Pittsburgh, PA 15219
Phone: 412-350-4600
Main role: property assessment and exemption records.
Open Office of Property AssessmentsAllegheny County Treasurer
Use for: county real estate tax bills, payments, receipts and county tax account questions.
Address: 436 Grant Street, Room 108, Pittsburgh, PA 15219
Phone: 412-350-4100
Main role: county tax collection.
Open County TreasurerBoard of Property Assessment Appeals and Review
Use for: assessment appeals when you disagree with the assessed value or classification.
Address: 542 Forbes Avenue, Pittsburgh, PA 15219
Phone: 412-350-4600
Main role: value appeal review process.
Open Appeal ResourcesAllegheny County Council
Use for: county policy, budgets, millage discussions and district representation.
Address: 436 Grant Street, Room 119, Pittsburgh, PA 15219
Important: Council does not approve individual homestead applications.
Open County CouncilOffice of Property Assessments Map
542 Forbes Avenue, Room 347
Pittsburgh, PA 15219
Use this office for homestead/farmstead exclusion and assessment-record questions.
Call before visiting to confirm current counter hours, required documents and appointment rules.
Savings math
How Much Can the Allegheny County Homestead Exclusion Save?
The savings depend on the exclusion amount and the tax rate applied to that part of the bill.
For the county portion, use this formula:
Example: if the exclusion is $18,000 and the county millage is 6.43 mills, the county portion savings would be about $115.74.
Use your current county tax bill or official tax-rate page to replace the example millage.
Open simple Allegheny homestead savings calculator
Exclusion used: $18,000.00
Estimated county savings: $115.74
Eligibility
Who Qualifies for the Allegheny County Homestead Exclusion?
Owner-occupied residence: the property should be your primary residence.
One main homestead: do not claim a primary-residence exclusion on multiple homes.
Correct parcel: the application must match the Allegheny County parcel record.
Current owner information: if deed or estate records are outdated, fix ownership records first.
Farmstead category: farmstead treatment is separate and tied to qualifying farm buildings.
Local school/municipal effects: school or municipal exclusions can differ from county treatment.
Do not rely on the seller’s tax bill. The prior owner’s exclusion may not prove your current qualification after purchase.
Deadline
Allegheny County Homestead Filing Deadline and Renewal Rules
Use this date as the main filing deadline for current-year treatment.
Late applications may be processed for a future year instead of the current year.
Approved owners typically do not reapply every year unless the county requests action or facts change.
If you sell the property, move out, convert the home to a rental or stop using it as your primary residence, contact the county.
Incorrect exemption status can create corrected bills, repayment, interest or penalty issues.
Record guide
What to Review on the Allegheny County Property Record
The Real Estate Portal is more useful when you know which fields matter.
Parcel ID: save this number before calling or filing.
Property address: confirm the situs address is the home you occupy.
Owner name: check whether the owner record matches the applicant.
Municipality: affects local tax office and municipal tax questions.
School district: important for school-tax and Act 1 homestead/farmstead treatment.
Assessed value: this is the value used before exclusions and tax rates.
Homestead or exclusion status: look for any field showing the property is approved or excluded.
Taxable value: different taxing bodies may use different taxable amounts.
If the owner name, deed or estate status is wrong, review recorded deed records and consider qualified legal help.
Assessment issue
Homestead Exclusion vs. Assessment Appeal
The homestead exclusion reduces taxable assessment after qualification.
An assessment appeal challenges the property’s assessed value, classification or assessment record.
Use homestead process when…
The home is your primary residence but the exclusion is missing or never filed.
Start with the Office of Property Assessments and the homestead/farmstead application.
Use appeal process when…
The assessed value, property details, classification or assessment treatment appears wrong.
Follow Allegheny County appeal instructions and deadlines.
Local tax issue
County, Municipality and School Taxes May Not Match
Allegheny County property owners can receive county, municipal and school property-tax bills.
Homestead or farmstead treatment may affect different parts of the bill differently.
County tax: check the county assessment record and Treasurer bill.
Municipal tax: contact the municipality or local tax collector if the city/borough/township bill is different.
School tax: school district treatment may involve Act 1 homestead/farmstead exclusions and school tax-bill timing.
Escrow account: send corrected tax information to your mortgage servicer if your exemption changes.
Avoid delays
Common Allegheny County Homestead Mistakes
Using the wrong term: searching only “exemption” may miss “Homestead/Farmstead Exclusion.”
Calling the Treasurer first: exclusion status usually starts with Property Assessments.
Missing March 1: late filing can move the benefit to a later tax year.
Assuming every tax bill changes the same way: county, municipal and school taxes can differ.
Confusing exclusion with appeal: a homestead exclusion does not challenge assessed value.
Relying on the seller’s tax bill: a buyer should verify current owner qualification.
Not saving the parcel ID: the parcel ID makes calls, forms and status checks faster.
Forgetting to report changes: moving out or renting the home can affect eligibility.
Decision guide
What Should You Do Next?
You never filed: find your parcel and file the Homestead/Farmstead Exclusion application with Property Assessments.
You filed but status is unclear: call 412-350-4600 with parcel ID and filing proof.
Your county bill did not change: confirm status with Property Assessments, then contact the Treasurer if the assessment record is correct.
Your school bill did not change: contact the school district or local tax collector because school tax treatment can differ.
Your assessed value is too high: review the appeal process instead of refiling homestead.
Your deed or owner record is wrong: verify recorded documents and correct the title issue before deadline pressure grows.
Important caution
Independent Information, Tax Caution and Property-Records Notice
This page is independent informational content for Allegheny County property owners.
It is not the official website of Allegheny County, the Office of Property Assessments, the County Treasurer, County Council or any Pennsylvania government agency.
It is not legal advice, tax advice, an official assessment notice, an official tax bill or an exemption approval.
Verify current forms, deadlines, office hours, addresses, tax rates and eligibility rules directly with the responsible office before acting.
Public property records should not be used for employment screening, tenant screening, credit eligibility, insurance underwriting or any other FCRA-regulated purpose.
FAQs
Allegheny County Homestead Exemption FAQs
What is the Allegheny County homestead exemption called?
Allegheny County commonly calls it the Homestead/Farmstead Exclusion.
It reduces taxable assessed value for qualifying owner-occupied property.
How much is the Allegheny County homestead exclusion?
The commonly published county exclusion amount is $18,000 of assessed value.
Use current county resources to confirm the amount before filing or estimating taxes.
What is the Allegheny County homestead filing deadline?
March 1 is the key deadline commonly used for current-year homestead/farmstead treatment.
Late applications may be processed for a later year.
Where do I check homestead exemption status online?
Use the official Allegheny County Real Estate Portal.
Search the parcel and review homestead, farmstead, owner-occupied or exclusion information.
Which office handles the homestead exclusion?
The Allegheny County Office of Property Assessments handles property assessment and exclusion records.
The Treasurer handles county tax bills and payments.
Does the homestead exclusion lower my assessed value?
It reduces taxable assessed value for eligible tax purposes.
It does not change the base assessment in the same way as a successful assessment appeal.
Does the Allegheny County exclusion apply to school taxes?
School and municipal tax treatment can differ from county tax treatment.
Check the school district, local tax collector or tax bill for school-specific homestead/farmstead treatment.
Do I need to apply every year?
Approved homeowners usually do not file a brand-new application every year.
You should contact the county if ownership, occupancy or eligibility changes.
Can I get the exclusion after buying a home?
Yes, if you meet the owner-occupancy requirements and file correctly.
Do not assume the seller’s exclusion automatically proves your current status.
What if my assessment is too high?
Use the assessment appeal process if the value or property record is wrong.
The homestead/farmstead application is not a substitute for a value appeal.
Official resources