Overview
Branches within 6 feet of your roof drop leaves and needles into gutters, provide a highway for squirrels and raccoons, scrape shingles during wind, and can cause catastrophic damage in storms. Regular trimming protects your roof, gutters, and home from pests and structural damage.
Step-by-Step Guide
Survey trees around your home
Walk the perimeter and identify all trees with branches within 6-10 feet of the roof, siding, or power lines. Note the species, branch diameter, and height. Mark branches that touch or overhang the roof for removal.
Choose the right tools for branch size
Use hand pruners for branches under 1/2 inch, loppers for branches up to 1.5 inches, a pruning saw for branches 1.5 to 4 inches, and a pole pruner for high branches you can reach from the ground. Do not use a chainsaw on a ladder.
Identify the correct cutting point
Cut branches just outside the branch collar, which is the swollen area where the branch meets the trunk. Do not cut flush with the trunk, as this damages the tree and slows healing. Do not leave a long stub.
Use the three-cut method for large branches
For branches over 2 inches in diameter, make three cuts to prevent bark tearing: (1) an undercut about 12 inches from the trunk, cutting one-third through from the bottom; (2) a top cut 2 inches farther out from the undercut, cutting all the way through to drop the branch; (3) a final clean cut just outside the branch collar.
Clear branches away from the roof
As branches fall, move them away from the roof and gutters immediately. Stack cut branches for disposal or chipping. Check the roof for any shingle damage caused by the branches rubbing.
Inspect the area after trimming
Walk the perimeter again to confirm at least 6 feet of clearance between any branch tip and the roof. Check for damage to shingles, gutters, or siding that was hidden by the branches. Clean any debris from gutters and the roof surface.
Schedule annual follow-up
Trees grow 1-3 feet per year depending on species and conditions. Set a reminder to re-inspect branch clearance annually, ideally in late winter when leaves are off deciduous trees and branch structure is visible.
What You'll Need
Tools
- - Hand pruners (bypass type)
- - Loppers
- - Pruning saw or pole saw
- - Extension ladder (if needed for smaller trees)
- - Safety glasses
- - Work gloves
- - Hard hat (for overhead cutting)
Materials
- - Tree wound sealer (optional; most arborists now recommend leaving cuts open to heal naturally)
Cost Estimates
DIY Cost
$0 - $50 (basic pruning tools)
Professional Cost
$200 - $800 per tree depending on size and access
Safety Tips
- Never cut branches near power lines. Call your utility company or a certified arborist for any branch within 10 feet of a power line.
- Do not use a chainsaw while on a ladder. If a branch requires a chainsaw, hire a professional.
- Wear a hard hat when cutting overhead branches to protect against falling wood.
- Be aware of branch weight. A 4-inch-diameter branch can weigh 50+ pounds and swing unpredictably when partially cut.
- Work with a spotter who can warn you of falling branches and call for help if needed.
When to Call a Professional
Call a certified arborist for branches over 4 inches in diameter, any branch near power lines, branches that require climbing the tree, or if the tree shows signs of disease or structural weakness such as cavities, fungal growth, or dead sections.
Pro Tip
Late winter (February-March) is the ideal time to trim most deciduous trees. The tree is dormant, the branch structure is clearly visible, and there is minimal sap flow. Avoid trimming oaks from April through July due to oak wilt risk.
Common Mistakes to Avoid
- Topping trees (cutting main limbs back to stubs) instead of making proper pruning cuts. Topping weakens the tree and promotes fast, weak regrowth.
- Removing more than 25 percent of a tree's canopy in one season, which stresses the tree and invites disease.
- Cutting branches flush with the trunk, removing the branch collar and creating a wound the tree cannot seal.
- Leaving cut branches on the roof or in gutters, which traps moisture and accelerates decay.
Local Landscapers in Anderson Island


Alvin's Landscaping
Tacoma, WA
(253) 677-9064
Lake Tapps Landscaping
Tacoma, WA
(206) 488-3720Founding Member
Premium spot in Anderson Island
Ambassador
Lead the Anderson Island community
Founding Member
Premium spot in Anderson Island
Anderson Island Housing Market
Median Home Price
$465,000
Homes for Sale
8
Price per Sq Ft
$336
Local Pros
560
Home Service Professionals Near Anderson Island
Median Household Income
$72,074
Median Home Value
$477,600
Homeownership Rate
98.7%
Population
1,341
Median Year Built
1992
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
Fair Market Rents — Anderson Island
Studio
$1,428/mo
1 Bedroom
$1,605/mo
2 Bedroom
$1,971/mo
3 Bedroom
$2,733/mo
4 Bedroom
$3,102/mo
Source: HUD FY2026 Fair Market Rents — Tacoma, WA HUD Metro FMR Area
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