Landscaping Rules in Trenton, NJ (2026)
3 verified landscaping rules for Trenton, New Jersey, sourced directly from the municipal code and official government pages.
Verified from official government sources
Tree Trimming
When limbs or branches hang over a Trenton street or sidewalk and interfere with free passage, the Department of Recreation, Natural Resources and Culture can order the owner to trim within at least 10 days, then bill the owner if the City has to do it instead.
Trenton Tree Trimming Over Streets Rule
Some RestrictionsTrenton Code § 287-5
Whenever the limbs, branches or other parts of trees extend over or into any public thoroughfare so as to interfere with its free and uninterrupted use, the Department may give notice to the owner or other person in control of the property to trim such trees within the time specified in the notice which shall not be less than 10 days.
Tree Removal & Heritage Trees
Removing a Trenton street tree of 2.5 inches DBH or a non-street tree of 6 inches DBH requires a City permit and replacement planting, with fees running $25 to $100 per tree or a $300-per-tree payment into the tree fund if replanting is not possible.
Trenton Tree Removal Permit Requirement
Significant RestrictionsTrenton Code § 287-3
Any person planning to remove a street tree, as defined as Tree removal, with DBH of 2.5" or more or any non-street tree with DBH of 6" or more on their property shall submit a Tree Permit to the City of Trenton. No tree shall be removed until City officials have reviewed and approved the removal.
Weed Ordinances
Trenton does not set a specific inch or foot height limit on lawn grass, but Chapter 38 declares the growth of noxious plants a public nuisance on any lot, public or private. Owners get a written ten-day notice to cut brush, hedges, or remove noxious growth under §§ 38-3 and 38-4; if they don't comply, the City does the work and liens the property for the cost.
Trenton Noxious Plant and Weed Removal Rules
Some RestrictionsTrenton Code §§ 38-1, 38-2, 38-3
NOXIOUS PLANT: Any plant likely to have an adverse effect on the health or comfort of human beings, including but not limited to ragweed, goldenrod, poison oak, poison ivy and sumac (poisonous and nonpoisonous). § 38-2. Trimming of brush and hedges near intersections. The owner or tenant of lands lying within the City of Trenton shall be required to keep all brush, hedges and other plant life g...
Looking for Mercer County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Trenton city rules.
Landscaping Rules in Mercer County →