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Irvine adopts 30‑year Urban Forest Master Plan with 30% canopy goal by 2055
Summary
The City Council adopted a 30‑year Urban Forest Master Plan that aims to raise citywide tree canopy from about 22% to 30% by 2055. Staff estimated roughly 67,500 new trees would be required, recommended ordinance updates, and proposed a mix of public planting, private incentives, and funding mechanisms.
The Irvine City Council unanimously adopted a 30‑year Urban Forest Master Plan on Oct. 14 that sets an aspirational target of 30% tree canopy by 2055 and lists policy changes and planting strategies to increase climate resilience and neighborhood shade.
Acting Public Works Director Alex Salazar and City Arborist Aaron Reese told the council the city currently has about 22% canopy and that, to reach 30% by 2055, the plan estimates planting roughly 67,500 new trees. Staff said about 39,000 of those trees would need to be planted on public land (including roughly 20,000 planned at the Great Park) and about 28,500 on private property, underlining the need for HOA, developer and resident partnerships.
The plan highlights vulnerabilities — a tree inventory that currently exceeds many diversity guidelines for some species (notably pines and eucalyptus), an inventory with many moderate‑water‑use species vulnerable to drought, and establishment care gaps. To address those concerns the plan recommends updating the city’s urban forestry ordinance, shifting replacement rules toward a canopy‑based approach (instead of a strict “trees in/tress out” count), strengthening tree protection plans on capital projects, improving species diversity and establishment care, expanding pest monitoring and plant health programs, and creating education and incentive programs for private property owners.
The plan also recommends funding strategies, including use of in‑lieu fees when development cannot accommodate required onsite trees and creation of a tree fund, and it identifies planting and operation cost drivers. Council members asked about sidewalk rebuild costs and other site‑preparation needs; staff replied that many new plantings would fill existing vacant planting sites and that some public open‑space projects (notably Quail Hill and Great Park work) will require site preparation and clearing.
Council directed staff to begin updating the urban forestry ordinance and related policies consistent with the master plan and asked staff to return with updates; staff said they expect to return in approximately three months with progress and recommended ordinance language.
