Landscaping Services — Warren & Hunterdon Counties, NJ
Custom landscape design and installation that adds beauty, value, and function to your property. Plant beds to full outdoor transformations — built with longevity in mind.
Your Property. Your Vision. Our Expertise.
A well-designed landscape does more than look good — it extends your living space outdoors, increases property value, and works with the natural grade and drainage of your land rather than against it. Cousins Lawn Maintenance designs and installs landscapes built for longevity, factoring in long-term stability, erosion control, and water management from the start.Cousins Lawn Maintenance has delivered dependable lawn care across Warren and Hunterdon Counties since 2012. We service residential homes and commercial properties with the same standard: arrive on schedule, do the job right, and leave the property looking its best.
Plant Bed Design & Installation
Custom plant beds designed around your sun exposure, soil type, and aesthetic preferences. Flowers, ornamental grasses, trees, and shrubs selected for visual impact and seasonal longevity. We plant for the long term — not just the first season.
Yard Leveling & Outdoor Prep
Installing a deck, patio, pool, or shed requires a properly leveled, prepared surface. Cousins Lawn handles site preparation for any outdoor addition, using the right equipment for the scale of the job. We also restore and re-landscape surrounding areas after construction is complete.
Mulching & Material Application
Expert mulch and gravel application for garden beds of any size. We supply and install all materials, ensuring proper depth and coverage that protects root systems, retains moisture, and defines your landscape cleanly year after year.
Tree & Shrub Planting
From shade trees to flowering shrubs, we assist with plant selection and install with the soil amendment, depth, and spacing required for healthy establishment.
Tree & Shrub Planting
From shade trees to flowering shrubs, we assist with plant selection and install with the soil amendment, depth, and spacing required for healthy establishment.
Mulching & Material Application
Expert mulch and gravel application for garden beds of any size. We supply and install all materials, ensuring proper depth and coverage that protects root systems, retains moisture, and defines your landscape cleanly year after year.
Drainage & Erosion Control
Every landscape design accounts for how water moves across your property. We identify erosion-prone areas, low points, and runoff paths — and build drainage solutions into the landscape. See our full Drainage page for detail.
Ready to Get Started?
Let's Talk About Your Property.
Free estimates for all services. Warren County, Hunterdon County, Northampton County PA. Call, email, or request online — same-day response.
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Warren County NJ:
Washington Boro · Phillipsburg · Belvidere · Hope · Blairstown · Stewartsville · Greenwich · Alpha · Hackettstown · Mansfield · Asbury · Lopatcong · Franklin · Harmony · Pohatcong · Oxford · Allamuchy · Hardwick · Port Murray
Hunterdon County NJ:
Flemington · Frenchtown · Hampton · Glen Gardner · Bloomsbury · Bethlehem · Lebanon · Stockton · High Bridge · Lambertville · Califon · Milford · Tewksbury · Kingwood
NJHIC 13vh069 79600 | PAHIC 109034