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Bill

SB 143

State Department of Assessments and Taxation and Department of General Services - Property Appraisal Aids - Geographic Images

2025 Regular Session Introduced by Jim Rosapepe

Maryland bill authorizes tax assessors to use satellite imagery and aerial photos to aid property valuations, modernizing appraisal methods while raising accuracy and privacy questions.

Hearing 1/15 at 10:30 a.m.
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Bill Summary · SB 143

Legislative bill overview

SB 143 authorizes the Maryland State Department of Assessments and Taxation and Department of General Services to use geographic images (such as satellite imagery, aerial photographs, and digital maps) as aids in property appraisals. The bill establishes the legal framework for incorporating these visual tools into the property valuation process without replacing traditional appraisal methods.

Why is this important

Property assessments directly determine tax bills for homeowners and businesses, making appraisal accuracy critical to tax fairness. Modern geographic imaging technology can improve assessment accuracy, reduce errors, and streamline the appraisal process, potentially benefiting both tax administrators and property owners. However, implementation details regarding technology standards, accuracy thresholds, and appeals processes will significantly affect real-world outcomes.

Potential points of contention

  • Technology reliance and accuracy concerns — Whether geographic images alone could lead to misvaluations, particularly for properties with unique features that imagery cannot capture
  • Privacy considerations — Questions about data collection, storage, and use of detailed property imagery and what safeguards exist
  • Appeal and dispute processes — Unclear how property owners can challenge assessments based partially on imagery, and whether current appeal mechanisms are adequate for technology-based valuations

Compiled from official sources — confirm details with the bill’s official record.

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