Delaware County’s Property Tax Reassessment Process Continues

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Data Collection is underway in areas of Aston, Bethel, Chadds Ford, Chester Heights, Upper Chichester, Concord, Edgmont, Middletown and Thornbury as part of Delaware County’s Tax Reassessment Project.

In March 2017 Delaware County was ordered by the Court to conduct a countywide property tax reassessment, effective for the 2021 tax year. Delaware County Council contracted with Tyler Technologies Inc. in 2017 to provide real property appraisal services for the County’s 2020 general reassessment. The project, which is being implemented through the County Treasurer’s Office will utilize Tyler’s appraisal and street imaging services.

Approximately 20% of all properties will be visited by a data collector in order to correct any discrepancies found during a review process. The data collector will measure the outside of all structures on the property. If the property owner is not home to provide interior and other information, the data collector estimates the inside features based on similar properties in the neighborhood. Data collectors have been trained to knock, identify themselves if someone is home, and inform the occupant of the reason for their visit. Data collectors will always be wearing a bright yellow vest bearing the Tyler name on the back and displaying a county issued identification. If a resident encounters a person posing as a data collector and asking to go into their home, they should immediately report it to police.

The reassessment project includes data gathering, verification of data, establishment of assessed values and an opportunity to appeal. The digital images will improve the quality of visual data used by the County and Tyler appraisers. The project will also allow verification and correction of address discrepancies. Additionally, the images will be helpful for emergency management recovery reports, necessary for state and federal assistance.

Tyler staff will be in Delaware County throughout the reassessment process, concluding in 2020. During the duration of the project Tyler will be in communication with the County, providing county and municipal officials, and local law enforcement updates on current collection locations and expected duration.

Delaware County has set up a website dedicated to educating residents and answering questions regarding Delaware County’s Tax Reassessment Project. The website includes a video presentation on the Tax Reassessment process. The website can be found here: http://delcorealestate.co.delaware.pa.us/delcoreassessment

A Reassessment Hotline has also been set up for residents to call with any questions or concerns: 610-891-5695.



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Delaware County, presently consisting of over 184 square miles divided into forty-nine municipalities is the oldest settled section of Pennsylvania.


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