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1. Ownership:


Deciding if your work might require a permit – or whether or not a tree is even your responsibility – begins with determining who is expected to manage the tree. If you don’t need to take action, all the better. On the other hand, you could be responsible for a tree and not even know it. While that may sound strange, it happens more often than you might think.


For example, in many cities, maintenance for trees planted in the right of way (planting strip along the curb) are the responsibility of the resident or business owner whose property sits behind the trees. But exceptions can apply: the city of Seattle assumes responsibility for managing trees their  out who is expected to maintain the trees in question.


2. Zoning


How an area is zoned determines what underlying regulations or covenants might apply when it comes to permitting. Permitting for tree removal in residential areas is different than areas zoned for commercial use because codes that apply for residential developments differ substantially from commercial developments.


 residences to remove up to three trees per year without a permit. But for commercial properties, permits are required  commercial properties are permitted for development with a stipulated landscape plan. These plans contain  any substantive alterations to a plan (such as tree removal)  review before removal is allowed.


3. Tree Size


With a few exceptions, most trees are afforded protection based on their size – and sometimes by tree species. The removal of larger trees is more tightly controlled because, in general, older trees represent greater value from both an aesthetic and environmental standpoint and because the 


Typically, trees 6” (trunk diameter measured 54” above  a permit for removal, whereas trees less than 6” usually don’t require a permit. Trees greater than 30” are generally  category can generally only be removed if it is established by a professional that they constitute a hazard.


Additional criteria can apply in some situations. Seattle  down permitting requirements by species: each species has its own size threshold above which a removal permit is required. But there can also be exemptions to rules: for residential lots less than 5,000 square feet in size, the Exceptional Tree rule does not apply.


4. Tree Location


Trees growing in environmentally sensitive areas are afforded special protection due to potential impacts that could result from tree removal. These areas include  prone sites, riparian corridors (near a river or stream), bald eagle habitat, work within 200’ of a shoreline, native growth protected areas (NGPA), wetlands, etc. Tree removal in these areas is tightly controlled and 


If you’re considering tree removal but are having trouble getting started, one of these resources might help: city Planning or Permits department, Municipal Research & Services Center (MRSC), city website or  in your area go to the American Society of Consulting Arborists website: www.asca-consultants.org.


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