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<br /> <br />2021 Multijurisdictional Local Hazard Mitigation Plan <br /> <br />2.2 REASONS FOR THE 2021 UPDATE <br />2.2.1 Federal Eligibility <br />Title 44 of the Code of Federal Regulations (44 CFR) stipulates that hazard mitigation plans must present a <br />schedule for monitoring, evaluating, and updating the plan. This schedule provides an opportunity to reevaluate <br />recommendations, monitor the impacts of actions that have been accomplished, and determine if there is a need to <br />change the focus of mitigation strategies. The Robert T. Stafford Act requires that jurisdictions have current <br />hazard mitigation plans to pursue and receive federal funding. <br /> <br />2.2.2 Changes in Development <br />Upon updating, hazard mitigation plans must be revised to reflect changes in development within the planning <br />area during the previous performance period of the plan, as stated in 44 CFR Section 201.6(d)(3). The plan must <br />describe changes in development in hazard-prone areas that increased or decreased vulnerability since the last <br />plan was approved. If no changes in development altered the overall vulnerability, then plan updates may validate <br />the information in the previously approved plan. The intent of this requirement is to ensure that the mitigation <br />strategy continues to address the risk and vulnerability of existing and potential development and takes into <br />consideration possible future conditions that could affect vulnerability. <br /> <br />According to the State of California Department of Finance, the San Mateo County planning area experienced a <br />0.5 percent increase in population between 2016 and 2020. (California Department of Finance, 2021). This plan <br />update assumes that some new development triggered by increased population occurred in hazard areas. Because <br />all such new development would have been regulated pursuant to local programs and codes, it is assumed that <br />vulnerability did not increase even if exposure did. San Mateo County and its incorporated cities and towns have <br />general plans that govern land-use decisions and policy-making, as well as specialty ordinances such as building <br />codes and flood-management regulations based on state and federal mandates. More detailed information on the <br />types and location of new construction over the last five years is available in the city and county annexes in <br />Volume 2 of this plan. <br /> <br />The following are significant development and demographic changes in San Mateo County since the previous <br />hazard mitigation plan update: <br /> Based on development permit data for new construction provided by the municipal planning partners (see <br />Volume 2), the general building stock increased by 2,600 structures, or 1.4 percent. This does not include <br />accessory dwelling units, which are often classified as alterations to an existing property rather than new <br />construction. <br /> The valuation of the general building stock increased by $31.6 billion, or 14.2 percent (County of San <br />Mateo Assessor, 2021) <br /> As of January 1, 2021, the reported population for San Mateo County was 765,245, a decrease in <br />population of 0.24 percent from 2016 and a decrease of 0.75 percent from the previous year (California <br />Department of Finance, 2021) <br /> <br />2.2.3 Focus on Public Engagement and Equity <br />The County’s 2016 hazard mitigation plan met the federal requirements for community engagement, but the <br />engagement strategy fell short of County of San Mateo standards. The 2021 planning process was developed to <br /> <br /> <br /> <br />2-2