13 Years in Business | Licensed NJ & PA | Full Equipment Fleet | Free Estimates
Warren & Hunterdon County's Complete Outdoor Contractor — Since 2012
Lawn care. Landscaping. Excavation. Drainage. Fencing. Snow Removal. Licensed in NJ & PA. Free estimates on all services.
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3 Decades Exp. Full Fleet. One Call.
We're local. We're licensed in New Jersey and Pennsylvania. And we show up.
Founded in 2012 by Aaron Williams, Cousins Lawn Maintenance has grown from a two-person lawn crew into one of Warren County's most capable full-service outdoor contractors. What started with a mower and a weed-whacker now operates excavators, backhoes, bulldozers, skid steers, loaders, and mini-excavators — alongside a skilled year-round team.
What We Do
From weekly lawn maintenance to full excavation — one call, every season, every job.
Lawn Care
Weekly mowing, trimming, edging, sod & mulching
Landscaping
Custom landscape design and plant bed installation
Retaining Walls
Engineered walls that stop erosion & reshape your property
Excavation
Full equipment fleet for any scale of excavation work
Drainage
French drains, dry wells & grading that protect your foundation
Fence Installation
Chain link, vinyl, steel, aluminum & wrought iron
Hauling & Delivery
Bulk mulch, gravel & stone delivered to your property
Snow Removal
Commercial snow plowing & seasonal contracts
Free Estimate
Call or request online — we respond same day
Why Chose Us
- Full service, year-round — one contractor from spring lawn care through winter snow removal
- Full equipment fleet — we do not subcontract excavation and grading work, we do it in-house
- Licensed in both New Jersey and Pennsylvania — NJHIC 13vh069 79600 | PAHIC 109034
- 13 years of local service — we know Warren and Hunterdon County properties
- Free estimates — same-day response for all service requests
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.
Call Or Text For a Free Quote
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