Boulder · Tree Trimming
Tree Trimming in Boulder, CO
Removing dead, weak or badly placed branches and clearing roofs and drives. This page applies it to Boulder, CO, using the rules and conditions on the Boulder city page.
Call availability varies by area and time of day. Calls are answered by an independent tree service provider.

Tree Trimming in Boulder: what to check first
Removing dead, weak or badly placed branches and clearing roofs and drives in Boulder, CO. Before work starts, check the city's main tree rule: ash on public property managed by the city; private owners choose treatment or removal.
- Local rule
- Ash on public property managed by the city; private owners choose treatment or removal (Boulder).
- Who to call about lines
- Xcel Energy, for trees near wires in Boulder.
- Where the rules live
- City of Boulder Forestry manages public trees; private ash decisions rest with owners.
Boulder rules that apply to tree Trimming
In Boulder, CO, tree work is governed by city of Boulder Forestry manages public trees; private ash decisions rest with owners.
The rule most likely to affect tree Trimming in Boulder: ash on public property managed by the city; private owners choose treatment or removal.
For the full local picture, including measurement and exemptions, see tree service in Boulder.
Local conditions behind tree Trimming calls in Boulder
Emerald ash borer
Listed among the main tree hazards in Boulder.
Heavy spring and fall snow on leafed trees
Listed among the main tree hazards in Boulder.
Wildfire
Listed among the main tree hazards in Boulder.
Chinook winds
Listed among the main tree hazards in Boulder.
How tree Trimming runs on a Boulder property

Agree on the objective
Boulder: you and the crew lead walk the tree and agree on which limbs and why: clearance, dead wood, weight reduction.
Access without spikes
Boulder: the climber goes up on rope and saddle, or the work is done from a bucket.
Cut to the collar
Boulder: each branch is removed at its union or shortened to a side branch large enough to take over.
Lower what could do damage
Boulder: anything above a roof, fence or planting is roped down.
Check from the ground
Boulder: the crown should look like a slightly lighter version of the same tree, not a different shape.
Boulder facts for tree Trimming
| Item | Boulder detail |
|---|---|
| Service | Tree Trimming |
| County or jurisdiction | Boulder |
| Tree rules | City of Boulder Forestry manages public trees; private ash decisions rest with owners |
| Key local rule | Ash on public property managed by the city; private owners choose treatment or removal |
| Electric utility | Xcel Energy |
Work often paired with tree Trimming in Boulder
- Tree Risk Assessment
- See tree risk assessment for how it relates to work in Boulder.
- Tree Removal
- See tree removal for how it relates to work in Boulder.
- Storm Damage Tree Removal
- See storm damage tree removal for how it relates to work in Boulder.
Tree Trimming questions from Boulder
Does tree Trimming in Boulder need a permit?
Start with the city's key rule: ash on public property managed by the city; private owners choose treatment or removal. The Boulder page explains thresholds and exemptions.
Who should be called first about trees near lines in Boulder?
Xcel Energy. Keep at least 10 feet away from energized lines.
How often should trees be trimmed in Boulder?
Mature shade trees generally need attention every three to five years, young trees every two to three years for structure, and fast growers near buildings more often. Inspect after any major storm.
Can I trim my neighbor's tree where it hangs over my yard in Boulder?
In most states you may cut branches back to the property line yourself, provided the work does not kill or seriously harm the tree. Going past the line or damaging the tree can make you liable. Talk to the neighbor first.
More on tree Trimming and Boulder
Tree Trimming help in Boulder
Call to be connected with an independent tree company that works in Boulder, CO.
(844) 955-1716Call availability varies by area and time of day
Limbwright is a referral service. Your call goes to an independent tree service company that sets its own schedule and terms. Ask for proof of insurance and a written scope before work starts. How this works
Call now
Talk to a tree service provider in your area. Have the tree's location and what it is near ready.
(844) 955-1716Call nowCall availability varies by area and time of day
