What Ukiah’s Proposed Annexation Could Mean for Mendocino County
The County of Mendocino is raising concerns about the long-term financial impacts of the City of Ukiah’s proposed annexation, warning that the proposal could shift millions of dollars in tax revenue away from the County while leaving many county service obligations largely unchanged. According to an internal fiscal analysis included in the County CEO’s May 2026 report, the annexation could result in approximately $30.4 million in lost or redirected revenue, combined with roughly $3.8 million in additional County costs, for a total estimated fiscal impact of about $34.2 million over time. While the analysis is still labeled a draft working document, County officials say the findings point to potentially significant consequences for countywide finances.
A major concern identified in the analysis is the gradual loss of local sales tax revenue generated in the annexed area. Under the proposed tax-sharing agreement, the County would continue receiving a portion of local sales tax revenue for a limited period, but that share would decline by approximately 6.7% each year over 15 years until reaching zero. County staff estimate the long-term impact of reduced sales tax revenue alone could total approximately $27.3 million. Hotel tax revenue would also phase out relatively quickly, with the County’s share decreasing from 100% initially to zero after five years, representing an estimated impact of $3.1 million. At the same time, a portion of future property tax growth generated in the annexed area would begin flowing to the City of Ukiah, although County officials note those calculations are still being finalized.
County leaders also caution that many public service costs may not decline even if the annexation moves forward. The County’s analysis states there would likely be no reduction in expenses for roads, public safety, or health and human services, meaning residents could continue relying on county systems even as associated revenues decrease. In addition, County operating costs could rise because purchases made in the annexed area would be subject to Ukiah’s additional local sales taxes. County officials say the combined effect could place increasing pressure on county budgets and reduce funding available for countywide services over the long term.
You can read the full CEO’s report here.
