GA HB155

Revises annexation dispute arbitration procedures by extending the deadline for appointing arbitration panels from 15 calendar days to 20 business days, and allows municipalities and counties to each strike up to two arbitrators from opposing pools plus one from the academic pool

Restricts county development authorities in "massively municipalized counties" (where municipalities cover 95% or more of land area) from operating property tax incentive projects within certain northern municipalities that adopt limiting resolutions, effective for projects approved after January 1, 2026

Adds superior court decisions on zoning matters to the list of directly appealable judgments, and requires local governments to adopt specific standards governing quasi-judicial zoning decisions by designated boards or agencies

Modifies zoning hearing notice requirements to establish a window of 15-45 days prior to hearings, and clarifies that denied rezoning applications cannot be reconsidered for six months or until conclusion of related judicial proceedings

Requires county voter referendum approval for annexation of municipally-owned property when the annexation extends along the length of streets, creeks, rivers, or railroad rights-of-way; Part I effective January 1, 2026, Parts II and IIA effective July 1, 2025