Littleton had the first confirmed emerald ash borer detection in Arapahoe County, in June 2023, in a small area of northeast Littleton. The city estimates roughly 45,000 ash trees within its limits, about 15% of its canopy, and the overwhelming majority are on private property — the city maintains only about 4,400 trees in total. Littleton offers residents a forestry subsidy of up to $500 per household per calendar year toward ash treatment, planting or hazard-tree removal.
- FIRST CONFIRMED
- June 2023, in a small area of northeast Littleton — the first in Arapahoe County.
- ASH TREES
- Roughly 45,000, about 15% of the canopy, mostly private.
- CITY-MAINTAINED TREES
- About 4,400 in total, on roughly 80 acres.
- CANOPY
- 20% of city land, down five points from the 2013 assessment.
- THE SUBSIDY
- Up to $500 per household per calendar year, up to 100% of eligible cost.
- THE LICENCE RULE
- City Code 8-4-3 requires an arborist licence for tree work inside city limits.