Delaware County Reminds Residents of Data Collection Workers in the Area

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A reminder about the County’s tax reassessment data collection procedure


Delaware County has been made aware of residents reporting a suspicious person to law enforcement and/or calling law enforcement to verify if the person is collecting data for the County’s Tax Reassessment Project.

As part of the County’s Tax Reassessment Project, staff from Tyler Technologies are conducting data collection throughout the County. The data collectors will always be wearing a bright yellow vest bearing the Tyler name on the back and displaying a County issued identification. They have been trained to knock, identify themselves if someone is home, and inform the occupant of the reason for their visit. They will be measuring the exterior of homes and will never ask to enter a home.

Currently, a team of five members of Tyler Technologies is conducting data collection throughout the County. Their names, photos and a description of their vehicles can be found here: https://delcopa.gov/pdf/TylerStaffFieldCrew.pdf

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. Residents can also call the Reassessment Hotline if they have any questions or concerns: 610-891-5695.

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. The reassessment project includes data gathering, verification of data, the establishment of assessed values and an opportunity to appeal. Tyler staff will be in Delaware County throughout the reassessment process, concluding in 2020.

A website dedicated to educating residents and answering questions regarding Delaware County’s Tax Reassessment Project can be found here: http://delcorealestate.co.delaware.pa.us/delcoreassessment



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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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