"I speak for the trees," is something Dr. Seuss's "The Lorax" might say, but in this case it's the language of the Lafayette Municipal Code. Chapter 6 - 17 "Tree Protection" was recently amended to clarify some minor changes that don't substantially alter the purpose of the code. These regulations spell out what a "protected tree" is - a tree located on developed property that has a trunk diameter of twelve inches or more that is one of ten species, mostly oaks - see adjacent box for a complete listing. Adjustments also include replacement tree substitution ratios and in-lieu fees.
Many residents may be unaware that, "A category I or category II permit under sections 6-1706 or 6-1707 is required to remove or destroy a protected tree," according to the Municipal Code. Although, "When a hazardous or dangerous condition requires immediate action to protect life or property - the manager can grant an emergency tree removal permit."
In general, private property owners need a permit to remove a protected tree if it poses an imminent threat to private property. "We usually act on it on that day" said Michael Cass, Assistant Planner with the City of Lafayette. However there are some exceptions, when in doubt call the Planning Division at (925) 284-1976.
"Homeowners are responsible for maintaining their trees," said Public Works Services Manager Ron Lefler. If there's a windy storm that causes a property owner's tree to fall across a road, obstructing traffic, "Call police dispatch at (925) 284-5010," said Lefler. "The police then call the foreman and someone from Public Works will respond." The homeowner is responsible for the cost, which could run from a few hundred dollars to much more if a crane is needed to remove a large tree.
However, if your tree or a large branch falls across a fence between you and your neighbor, damaging the fence or your neighbor's home - it's time to call your insurance carrier. "Depending on coverage, it could be covered by your homeowner's liability insurance," said Debbie Peters of State Farm Insurance.
Protected Trees in Lafayette
Coast Live Oak
Canyon Oak
Blue Oak
White Oak
Black Oak
Valley Oak
Interior live Oak
California Bay
California Buckeye
Madrone
Many residents may be unaware that, "A category I or category II permit under sections 6-1706 or 6-1707 is required to remove or destroy a protected tree," according to the Municipal Code. Although, "When a hazardous or dangerous condition requires immediate action to protect life or property - the manager can grant an emergency tree removal permit." 
Lamorinda Weekly, Moraga CA