Please select the appropriate link from below to open your desired PDF document. Assessment Materials and Reports Tax Year Assessment Studies 2026 TY 2026 Pertinent Data Book TY 2026 Appraiser Reference Materials 2025 TY 2025 Appraiser Reference Materials TY 2025 Pertinent Data Book TY 2025 Market Analytics Book 2024 2024 Assessment Ratio Report TY 2024 Pertinent Data Book TY 2024 Appraiser Reference Materials TY 2024 Market Analytics Book 2023 2023 Assessment Ratio Report TY 2023 Pertinent Data Book TY 2023 Appraiser Reference Materials TY 2023 Market Analytics Book 2022 2022 Assessment Ratio Report TY 2022 Pertinent Data Book TY 2022 Appraiser Reference Materials TY 2022 Market Analytics Book 2021 2021 Assessment Ratio Report TY 2021 Pertinent Data Book TY 2021 Appraiser Reference Materials TY 2021 Market Analytics Book 2020 2020 Assessment Ratio Report TY 2020 Pertinent Data Book for the District of Columbia Appraiser's Reference Materials TY 2020 Market Analytics Book 2019 Assessment Ratio Report Appraiser's Reference Materials Pertinent Data Book for the District of Columbia TY 2019 Market Analytics Book 2018 Assessment Ratio Report Appraiser's Reference Materials Pertinent Data Book for the District of Columbia 2017 Assessment Ratio Report Appraiser's Reference Materials 2016 Assessment Ratio Report Appraiser's Reference Materials 2015 Assessment Ratio Report Appraiser's Reference Materials