NookLocal data
Perry County Common Level Ratio
The 2025 Common Level Ratio for Perry County is 100.0%, and the CLR factor is 1.00. The State Tax Equalization Board certified it for use from 2026-07-01 to 2027-06-30. Assessments in Perry County average 100.0% of market value, the 1st highest ratio of Pennsylvania's 67 counties.
| County | CLR (assessed ÷ market) | CLR factor | In effect |
|---|---|---|---|
| Perry | 100.0% | 1.00 | 2026-07-01 to 2027-06-30 |
What the ratio means in Perry County
Perry County's assessments currently sit at roughly full market value (ratio 100.0%), so the CLR math changes little here: a home's assessment and its market value should be close to each other. Watch the July updates, though. As sales outpace the assessments, the ratio drifts down and the gap starts to matter again.
See the full 67-county CLR table to compare counties, or the property tax calculator, which uses these ratios for purchase estimates.
Perry County CLR questions
What is the Common Level Ratio in Perry County?
The 2025 STEB-certified Common Level Ratio for Perry County is 100.0%, and the CLR factor is 1.00. It applies from 2026-07-01 to 2027-06-30.
How do I estimate market value from an assessment?
Multiply the assessed value by the CLR factor. In Perry County, a $150,000 assessment times 1.00 suggests a market value around $150,000.
When does the CLR change?
STEB certifies a new ratio for every county each year, and it takes effect on July 1. The current Perry County ratio applies 2026-07-01 to 2027-06-30.
Where is the CLR used?
Two main places: assessment appeals, where the ratio converts a market value into what the assessment should be, and realty transfer tax on non-arm's-length transfers, where the factor converts an assessed value into a taxable value.
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Know when the ratios change
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Source: PA Department of Community & Economic Development, State Tax Equalization Board. Last verified 2026-07-04. Ratios change every July. This page tracks the current Perry County ratio.