Landscaping Rules in Mahwah, NJ (2026)
5 verified landscaping rules for Mahwah, New Jersey, sourced directly from the municipal code and official government pages.
Verified from official government sources
Grass Height Limits
Mahwah Township requires all premises and exterior property to be kept free from weeds or plant growth exceeding 10 inches in height.
Mahwah Property Maintenance Grass and Weed Limit
Few RestrictionsTree Trimming
Mahwah reserves authority to plant, prune, and maintain trees within public rights-of-way, while permitting non-harmful pruning on private property without a permit.
Mahwah Tree Trimming Rules in Public Rights-of-Way
Some RestrictionsTree Removal & Heritage Trees
Mahwah requires a permit at least 15 business days before removing regulated trees, with replacement at equal or greater diameter required.
Mahwah Tree Removal Permit and Replacement Rules
Heavy RestrictionsWeed Ordinances
Mahwah prohibits noxious weeds on all property and treats vegetation over 10 inches as a property maintenance violation subject to abatement.
Mahwah Noxious Weeds and Vegetation Prohibition
Few RestrictionsWater Restrictions
Mahwah restricts outdoor watering from May through September, prohibiting Sunday watering and enforcing odd/even address day rules.
Mahwah Outdoor Watering Schedule and Restrictions
Some RestrictionsLooking for Bergen County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Mahwah city rules.
Landscaping Rules in Bergen County →