ALLEGHENY COUNTY · COMPLETE GUIDE

Allegheny County Property Assessment Appeals: Complete Guide

Allegheny runs its own filing window, its own two-level board system, and a base year from 2012 that makes the common level ratio decisive. Here is how a commercial appeal actually works in Pittsburgh.

How PA Appeals Work

Jul 3–Sep 1

The annual filing window

2012

The county's assessment base year

2 levels

BPAAR, then the Board of Viewers

Allegheny County Filing Deadlines

Jul 3–Sep 1Annual filing window

30 daysBPAAR to Board of Viewers

2012Base year for all assessments

Allegheny County sits outside the Consolidated County Assessment Law that governs most of Pennsylvania. Appeals are filed inside a defined summer window for the following tax year, heard first by BPAAR, and then re-heard de novo by the Board of Viewers before any judge sees the case.

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Allegheny County is the most distinctive assessment jurisdiction in Pennsylvania, and almost none of the state's general rules survive contact with it. The deadline is a window rather than a date. The assessment is anchored to 2012. There are two levels of board review instead of one. And the single number that decides most appeals — the common level ratio — has moved dramatically in recent years.

For commercial owners in Pittsburgh and the surrounding municipalities, that combination is an opportunity rather than a nuisance. A falling ratio applied to an old base year means many properties are carrying assessments that the current math simply does not support. This guide walks the whole process. EPTA represents commercial owners across Pennsylvania, including Allegheny County, alongside Michigan, Indiana, Ohio, Wisconsin, and Georgia.

The Base Year Is the Whole Game

Allegheny County has not conducted a countywide reassessment since 2012, and its assessments remain anchored to that year's values. That fact drives everything else. Your assessment is not an estimate of what your building is worth in 2026 — it is supposed to be an estimate of what it was worth in 2012, and the common level ratio is the mechanism that lets the two be compared.

The practical test is short. Establish your property's present market value, multiply it by the ratio currently in force, and compare the result to your assessment. If the assessment is materially higher, the county is over-taxing you regardless of what has happened to the market since 2012. Owners who skip the ratio step and compare an assessment to a current appraisal routinely reach the wrong conclusion in both directions — some file appeals they cannot win, and others walk away from appeals they would have won comfortably.

THE ALLEGHENY PROCESS

From Filing Window to Common Pleas

Allegheny gives you two full board hearings before a judge is involved. That is more opportunity than most counties offer, and more process to manage.

Run the Ratio Math Before the Window Opens

Because filings are only accepted inside the summer window, the analysis has to be finished before it opens. Establish present market value — for commercial property that is an income approach built on actual rents, actual expenses, and a supported capitalization rate — then apply the current ratio to find the assessment your property should carry. That number tells you whether to file at all.

File Inside the July 3 to September 1 Window

Appeals go to the Board of Property Assessment Appeals and Review during the annual window, for the following tax year. An appeal filed this summer addresses next year's bill, not the one you are currently paying. Confirm the exact current window with the county — it has changed in recent years and older guidance still circulates.

The BPAAR Hearing

BPAAR hearings are the first level and are relatively brisk. Bring the ratio analysis, the income documentation, and any evidence of a recent arm's-length transaction. Note that school districts and municipalities are parties in interest and may participate — Allegheny is a jurisdiction where taxing bodies actively defend assessments, so expect the other side of the table to be occupied.

Within 30 Days — Appeal to the Board of Viewers

If BPAAR falls short, any party has 30 days from the mailing date to appeal to the Board of Viewers. This deadline is strict. The Board of Viewers is a quasi-judicial body of the Fifth Judicial District that hears assessment appeals de novo — fresh evidence, expert testimony, and an independent determination of base-year value.

Conciliation Before Hearing

The Board of Viewers conciliates before it hears. In practice this is where a large share of Allegheny commercial matters actually resolve, because both sides get a realistic read on the evidence before committing to a full hearing. Come to conciliation with the valuation work genuinely finished — a well-supported number moves the conversation, while a placeholder position invites a hearing you did not want.

Appeal to a Judge of the Court of Common Pleas

A Board of Viewers decision may be appealed to a judge of the Court of Common Pleas. By this stage the record is well developed and the valuation dispute is narrow, which is why relatively few Allegheny commercial assessment matters go the full distance. The two board levels do most of the work — which is precisely why the evidence you build for BPAAR should be built to survive de novo review from the start.

BEFORE THE WINDOW OPENS

Allegheny County Filing Self-Check

Allegheny only accepts filings inside its annual window, so the work has to be done in advance. Run these before July.

I confirmed this year's exact filing window directly with the county

I understand the filing applies to next year's tax bill, not the current one

I have the common level ratio currently in force, not one from a prior cycle

I multiplied present market value by the ratio to find my correct assessment

My income documentation reconciles with what has been reported elsewhere

I checked whether comparables carry a lower effective ratio than my parcel

I calendared the 30-day Board of Viewers deadline in case BPAAR falls short

ALLEGHENY COUNTY FAQ

What Pittsburgh Owners Ask Us About Assessments

Allegheny operates a filing window rather than an open season ending on a deadline. For recent cycles that window has run from July 3 to September 1 of the year before the tax year, and filings are only accepted inside it — arriving early is as much a problem as arriving late. This is a change from the county's older March 31 regime, so guidance written a few years ago is actively misleading. Confirm the current window with the county before planning around it. Our Pennsylvania deadline guide covers how the rest of the state differs.

They are the two levels of Allegheny's board review, and confusing them costs appeals. BPAAR — the Board of Property Assessment Appeals and Review — hears your appeal first. If its decision falls short, you have 30 days to appeal to the Board of Viewers, a quasi-judicial body within the Fifth Judicial District that hears the matter de novo, taking fresh evidence and expert testimony. Only after the Board of Viewers does the case reach a judge of the Court of Common Pleas. Most counties have one board level; Allegheny has two.

Because your assessment is not supposed to reflect what the property is worth today. Allegheny assesses against a 2012 base year, and the bridge between that and present value is the common level ratio. A commercial owner who compares an assessment directly to a current appraisal is comparing two different things. The correct test is whether present market value multiplied by the current ratio produces a number below your assessment — and in Allegheny that arithmetic decides a large share of appeals on its own.

Yes, and it is the most consequential development for Allegheny owners in years. Litigation over the data underlying the county's ratio produced substantial downward revisions, and the ratio has continued to fall in subsequent certifications. A lower ratio means the same market value supports a lower assessment, which has turned marginal appeals into clear ones across the county. Because the figure is recertified annually and takes effect each July 1, always confirm the ratio currently in force rather than relying on a number from a prior cycle.

Evidence that speaks to base-year value through the ratio. For income-producing property that means actual rent rolls, real operating expenses, honest vacancy, and a capitalization rate the market supports — then the ratio applied to the resulting value. A recent arm's-length purchase is powerful. So is evidence that comparable properties carry a lower effective ratio than yours, which is a uniformity argument rather than a value argument and sometimes the stronger of the two. See our appeal evidence guide.

THE WINDOW ONLY OPENS ONCE A YEAR

Find Out What the Ratio Says About Your Allegheny Assessment.

We'll apply the current common level ratio to your parcel, test it against real operating results, and tell you whether an appeal is worth filing when the window opens.

Contingency representation across Michigan, Indiana, Ohio, Pennsylvania, Wisconsin, and Georgia. Beyond a modest filing retainer, no fee unless we reduce your taxes.

Low upfront cost. No obligation.

Reviewing an Allegheny County commercial assessment against the common level ratio