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Boundary and Annexation Survey (BAS) Reference Maps

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Boundary and Annexation Survey (BAS) Reference Maps

The 2026 BAS maps are the most recent maps created for the BAS program.

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2026 BAS Maps

January 2025

The 2026 BAS maps display legal boundaries and names as reported through the 2025 BAS.
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2025 BAS Maps

January 2025

The 2025 BAS maps display legal boundaries and names as reported through the 2024 BAS.
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2024 BAS Maps

January 2024

The 2024 BAS maps display legal boundaries and names as reported through the 2023 BAS.
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2023 BAS Maps

January 2023

The 2023 BAS maps display legal boundaries and names as reported through the 2022 BAS.
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2022 BAS Maps

December 2021

The 2022 BAS maps display legal boundaries and names as reported through the 2021 BAS.