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Tree Risk Assessment · Pennsylvania

Tree Risk Assessment in Philadelphia, PA

Tree Risk Assessment in Philadelphia, PA: a tree risk assessment is an arborist's evaluation of how likely a tree (or part of it) is to fail, what it would hit, and how bad the consequences would be. Locally, city-managed street trees: Parks & Recreation prunes street trees and removes dead or hazardous ones for free; it won't remove a healthy street tree.
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Tree problems in Philadelphia, PA that call for arborist risk assessment

  1. 1

    City-managed street trees

    Parks & Recreation prunes street trees and removes dead or hazardous ones for free; it won't remove a healthy street tree.

  2. 2

    Rowhouse access

    Backyard trees are typically removed by hand-carrying through the house or with a crane over the roof.

  3. 3

    Spotted lanternfly and tree-of-heaven

    Lanternfly is widespread; tree-of-heaven is the main host and a common backyard invader.

What tree risk assessment covers

A tree risk assessment is an arborist's evaluation of how likely a tree (or part of it) is to fail, what it would hit, and how bad the consequences would be.

How tree risk assessment works, step by step

Describe the tree and what it's near, and you'll reach an independent provider serving Philadelphia, PA.

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Trees in Philadelphia, PA that most often need arborist risk assessment

London planetree
The classic Philadelphia street tree; large and long-lived
Callery pear
Widely planted on streets; splits in wind and ice
Red and Norway maple
Common street and yard trees

Tree rules and permits in Philadelphia, PA

  • Contractors need a work permit from Philadelphia Parks & Recreation's Street Tree Management Division before pruning or removing a street tree.
  • The city prunes street trees and removes dead or hazardous street trees free of charge, but doesn't remove living, healthy trees or maintain trees on private property, including alleys.
  • Property owners may hire a certified arborist, at their own expense, to maintain their street trees under a permit.

Sources (checked 2026-10-01)

Rules change and details depend on your exact property. Confirm with the city or county before work starts. This isn't legal advice.

What affects the price of arborist risk assessment in Philadelphia, PA

The usual drivers are size, access, what's under the tree and cleanup; see the full list for arborist risk assessment.

In Philadelphia, PA: Attached houses, shared walls and narrow rear yards are the norm, so nearly every backyard job is a hand-carry or crane job. Street trees sit in small sidewalk pits next to parked cars, which affects how they're taken down.

Tree Risk Assessment in Philadelphia, PA: common questions

Do I need a permit for tree Risk Assessment in Philadelphia, PA?

Contractors need a work permit from Philadelphia Parks & Recreation's Street Tree Management Division before pruning or removing a street tree. The city prunes street trees and removes dead or hazardous street trees free of charge, but doesn't remove living, healthy trees or maintain trees on private property, including alleys.

Which trees in Philadelphia, PA most often need arborist risk assessment?

London planetree: the classic Philadelphia street tree; large and long-lived Callery pear: widely planted on streets; splits in wind and ice Red and Norway maple: common street and yard trees

City-managed street trees: what does it mean for arborist risk assessment in Philadelphia, PA?

Parks & Recreation prunes street trees and removes dead or hazardous ones for free; it won't remove a healthy street tree.

Rowhouse access: what does it mean for arborist risk assessment in Philadelphia, PA?

Backyard trees are typically removed by hand-carrying through the house or with a crane over the roof.

Spotted lanternfly and tree-of-heaven: what does it mean for arborist risk assessment in Philadelphia, PA?

Lanternfly is widespread; tree-of-heaven is the main host and a common backyard invader.

How do access and lot layout in Philadelphia, PA affect arborist risk assessment?

Attached houses, shared walls and narrow rear yards are the norm, so nearly every backyard job is a hand-carry or crane job. Street trees sit in small sidewalk pits next to parked cars, which affects how they're taken down.

Other tree services in Philadelphia, PA

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More about Philadelphia, PA: tree removal in Philadelphia, PA · all locations

Need arborist risk assessment in Philadelphia, PA?

Call to reach an independent tree-service provider that serves Philadelphia, PA. Calling is free and you decide whether to hire anyone.

Call for tree service

By calling, you agree that your call may be recorded and routed to an independent local tree-service provider, who may call or text you back about your request. Calling is free and does not obligate you to hire anyone. See our Privacy Policy.

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