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40 Years
experience
Emergency
services
Your Trusted Tree Care Authority in Clifton, NJ
Aspen Tree Service has been a trusted name in Northern New Jersey tree care since 1986. Founded by Kazimierz Walentowicz and now led by second-generation arborist Casey Walentowicz, our family-owned business combines decades of hands-on experience with advanced industry certifications. We employ NJ Licensed Tree Experts, ISA Certified Arborists, and TCIA-certified specialists who prioritize safety, precision, and environmental stewardship in every project. Our state-of-the-art equipmentincluding cranes, bucket trucks, and air spadesenables us to handle complex tree removals, risk assessments, and preservation projects with minimal property impact.

We maintain rigorous safety protocols and hold specialized qualifications like TRAQ certification for tree risk assessment and EHAP credentials for electrical hazard awareness. Our commitment to quality extends beyond technical expertise: we guarantee same-day completion for 99.9% of jobs, provide thorough post-service cleanups, and offer transparent consultations that empower clients to make informed decisions about their tree care needs. With extensive municipal and commercial experience across four counties, weve built a reputation for reliability through consistent service delivery and community engagement.
Services
Tree Removal Arborist Services Emergency Tree Service Fertilization Pest Control Tick Mosquito Control Turf Care Pruning Services
Details
  • Year established: 1986
Highlights and features
  • Certified arborists and NJ Licensed Tree Experts on staff
  • 24/7 emergency tree service with rapid response teams
  • State-of-the-art equipment for safe, efficient tree removals
  • Customized tree health programs with soil analysis
  • 99.9% same-day service completion rate
Associations and certifications
  • NJ Licensed Tree Expert #689
  • ISA Certified Arborist #NJ-0861A
  • TCIA Certified Tree Care Specialist
  • TRAQ Certified
  • EHAP Certified
  • ACRT Certified Line Clearance Arborist
What people say
Professional crews Timely service Thorough cleanups Expert assessments Emergency readiness
Services
Tree Removal
Our certified crews handle complete tree removals using cranes, bucket trucks, and precision felling techniques. We assess structural risks, protect surrounding property with specialized mats, and guarantee complete debris removal. Emergency removals prioritize safety for storm-damaged or hazardous trees.
Arborist Services
NJ Licensed Tree Experts provide TRAQ-certified risk assessments, lightning protection systems, and cabling/bracing installations. Our ISA-certified arborists diagnose diseases, recommend preservation strategies, and create customized tree management plans for residential and commercial properties.
Emergency Tree Service
24/7 crews respond to urgent tree emergencies with specialized equipment for fallen trees, power line hazards, and property-threatening limbs. We coordinate with insurance companies and prioritize safety during post-storm cleanups across Northern New Jersey.
Pest Control
Certified applicators use soil injections and vascular treatments to combat emerald ash borer, spotted lanternfly, and other invasive pests. Our organic-focused programs include BLS testing, fungal disease treatments, and preventive care plans for long-term tree health.
Fertilization
Custom fertilization programs begin with soil sampling to identify nutrient deficiencies. We implement radial mulching and aeration techniques to improve soil structure, ensuring trees receive essential nutrients for optimal growth in urban environments.
People
Casey Walentowicz
Owner & Certified Arborist
Second-generation arborist with 25+ years experience, taking over family business in 2010. Holds NJ Licensed Tree Expert certification and ISA credentials, specializing in tree risk assessment and preservation techniques.
Questions
What tree services does Aspen Tree Service provide?
We offer complete tree care including pruning, removal, stump grinding, arborist consultations, fertilization, pest control, and 24/7 emergency services across Northern New Jersey.
Do you require a deposit for tree work?
Most jobs require a 10% deposit for scheduling, with flexible options available for larger projects or financing arrangements.
Can you handle difficult tree removals?
Our specialized equipment—including cranes and bucket trucks—enables safe removal of trees in challenging locations across Bergen and Passaic Counties.
How do you assess tree health?
Our NJ Licensed Tree Experts use soil analysis, canopy evaluation, and TRAQ-certified risk assessments to diagnose tree conditions and recommend treatments.
Do you offer financing options?
Yes, we provide financing solutions for residential and commercial clients needing tree care services in Morris and Essex Counties.
Are permits included in your services?
We handle all necessary permitting for tree work in compliance with local ordinances across our service area.