Tree Service in Pennington, NJ
Homeowners here trust Pro-Stump for safe, expert tree work, 38+ years serving Mercer County.






Pennington, NJ Tree Service — 38+ Years, Family-Owned
Pro-Stump has earned the trust of Pennington homeowners one job at a time since 1987. As a family-owned operation, we treat every property in and beyond with the care we'd give our own. Glenn Donnelly personally oversees each project, from a single stump grind to a full lot clearing.
Pennington is a borough of 2,802 in Mercer County where White Oak, Sugar Maple dominate the landscape. The Neshaminy silt loam found here creates specific root development patterns that affect how trees respond to drought, storms, and age. Understanding those dynamics is what separates certified arboricultural work from simple tree cutting.
Common Local Tree Problems
2 dominant tree species grow in Pennington's Penn silt loam soils, each facing distinct threats from Mercer County's weather patterns, root competition, and age-related structural decline. These are the issues our arborist diagnoses most frequently on Pennington properties.
- Historic borough character demands preservation of mature trees
- Compact lots in the village center limit equipment access
- Pennington Borough is a 'doughnut town' completely surrounded by Hopewell Township, anchored by The Pennington School (founded 1838), the Victorian-era Pennington Railroad Station (1882), and the historic First Presbyterian Church. Chapter 197 (Tree Removal and Replacement, adopted April 2024) regulates removal at 6" DBH or greater, with up to $1,000 fines for violations
Available in Pennington
Full-Service Tree Care
No matter the scope, a single stump, a hazardous leaner, or a full land clearing project, Pro-Stump Tree Service has the equipment, certification, and experience to handle it.

Tree Removal
Safe, controlled tree removal in Pennington led by NJ Licensed Tree Expert #200988 with an ISA Certified Arborist on staff. Whether you have a dead ash, storm-damaged oak, or a tree threatening your home's foundation, our crew handles sectional dismantling, rigging, and complete debris cleanup. Fully insured with $3M liability coverage.
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Stump Grinding
Get rid of unsightly stumps. Our stump grinding service eliminates trip hazards and pest-attracting deadwood. We handle single stumps and entire lots, surface roots, grade restoration, and backfill included.
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Tree Trimming & Pruning
Keep your trees in peak condition with professional trimming from Pro-Stump Tree Service. Seasonal pruning programs, storm prep cuts, and structural training for young trees. NJ LTE #200988 + ISA Arborist on staff with 38+ years of hands-on experience.
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Tree Planting & Root Feeding
Invest in your property's future with expert tree planting from Pro-Stump Tree Service. Species selection guidance, proper installation techniques, and deep root fertilization programs that promote strong establishment.
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Tree Cabling
Structural support for at-risk trees. Our tree cabling service prevents branch failure, reduces storm damage risk, and extends the safe lifespan of mature trees. Assessed and installed under the supervision of NJ LTE #200988 and our ISA Certified Arborist.
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Christmas Tree Light Installation
Professional Christmas light installation on outdoor trees in Pennington. Our bucket trucks reach every branch, and we use commercial-grade LED lights. Full setup and post-season takedown included.
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Animal Tree Rescue
Cat stuck in a tree? Pro-Stump Tree Service provides animal tree rescue using climbing expertise and bucket truck access. We handle the rescue safely and gently, no harm to the animal or the tree.
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Emergency Tree Service
Rapid emergency tree response. Fallen trees, cracked limbs, and uprooted trunks, our insured crew handles it all. Call (732) 446-1104 any time for immediate emergency service.
See Emergency Tree Service Services
Land Clearing
Professional land clearing in Pennington for new construction, driveways, and property development. We clear trees, brush, stumps, and undergrowth on properties of any size. Grading and debris hauling included.
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Crane Tree Removal
Some trees can't be conventionally climbed. Our crane tree removal service handles massive, dangerous, or inaccessible trees with precision lifts. Zero ground impact, zero property damage, guaranteed.
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Commercial Tree Service
Professional commercial tree service. From HOA common areas to municipal properties, our crew delivers scheduled maintenance, hazard tree assessment, and storm damage response with full insurance documentation.
See Commercial Tree Service ServicesLocal Soil & Growing Conditions
Tree health in Pennington starts underground. The dominant Neshaminy silt loam in this area affects drainage, nutrient availability, and root stability. When our arborist evaluates a tree on your property, soil conditions are one of the first things assessed, because a tree that looks healthy above ground can have a compromised root system below. Understanding Mercer County's geology is fundamental to making sound arboricultural decisions.

Verifiable License Numbers
State-Licensed Tree Care You Can Verify
New Jersey requires anyone advertising or performing tree care for compensation to hold an LTE (Licensed Tree Expert) license under the 2010 NJ Tree Expert and Tree Care Operators Licensing Act. Many "tree services" working in Pennington skip this requirement. We don't, and here are the credentials that back every job.

NJ Home Improvement Contractor
#13VH07323700
NJ Division of Consumer Affairs

NJ Licensed Tree Expert
#200988
NJ Board of Tree Experts

ISA Certified Arborist on Staff
On-Staff Credential
International Society of Arboriculture

Certified Treecare Safety Professional
CTSP #03722
Tree Care Industry Association

OSHA 30 Certified
30-Hour Safety
OSHA
Licensed Tree Care Operator
LTCO #767797
NJ DEP
NJ Business Registry
#NJTC768726
NJ Treasury
Traffic Safety Certified
Work Zone Safety
NJ DOT Approved
Public Works Certified
Municipal Contractor
NJ DCA Approved
Why this matters in Pennington: Under New Jersey's Tree Expert and Tree Care Operators Licensing Act (N.J.S.A. 45:15C-13 et seq., adopted 2010), it is unlawful to advertise or perform tree care services for compensation without an LTE license. Hiring an unlicensed tree service exposes property owners to liability and may void homeowner's insurance claims if damage or injury occurs. Pro-Stump's NJ LTE #200988 (Glenn Donnelly) and LTCO #767797 are both publicly verifiable.
The Local Tree Canopy
2 tree species dominate Pennington's landscape, each rooted in Neshaminy silt loam. Pruning timing, removal technique, and disease susceptibility differ by species, here are the ones our crews service most frequently.
Recent Tree Service Projects
Professional tree work completed by our crew in Mercer County and surrounding areas.
Wood chipper processing debris
Our Tree Service Credentials
NJ Licensed Tree Expert #200988
Glenn Donnelly holds New Jersey LTE #200988, the state license required under NJ's Tree Expert and Tree Care Operators Licensing Act to perform commercial tree care. With an ISA Certified Arborist also on staff, every Pennington job is evaluated to state-licensed and ISA standards before work begins.
$3 Million Fully Insured
Tree work is inherently dangerous. Every Pro-Stump Tree Service crew is covered by $3M in liability insurance and full workers' compensation, protecting your property and your peace of mind.
Complete Cleanup Guaranteed
When we leave your property, you won't find a single branch, wood chip, or stump grinding left behind. We treat every yard like it's our own, because our reputation depends on it.
38+ Years, One Family
Founded by Glenn Donnelly in 1987, Pro-Stump Tree Service has been a family operation from day one. No franchise, no corporate call center, just direct communication with the people doing the work on your property.
How We Work
Our 4-Step Process
You Call
Call (732) 446-1104 or submit our online form. We respond within 2 hours during business hours.
We Assess
Our NJ Licensed Tree Expert (#200988) and ISA Certified Arborist visit your property, evaluate the work, and deliver a written quote within 24 hours.
We Execute
Our insured crew arrives on schedule with professional-grade equipment. Most jobs complete in a single day.
We Clean Up
Every branch, chip, and stump grindings removed. Your property looks better than before we arrived.
Talk to a certified arborist about your Pennington property.
NJ Licensed Tree Expert #200988 • $3M insured • family-owned since 1987.
24/7 Emergency Tree Service in Pennington
Storm-damaged trees in Pennington require immediate professional assessment, leaning trunks, hanging limbs, and uprooted root plates create ongoing hazards until removed. Pro-Stump deploys 3 emergency crews simultaneously during major events, reaching Pennington with 40-ton crane, bucket trucks, and sectional rigging equipment.
Emergency: (732) 446-1104
What Central NJ Customers Say
Linda Neri
“Pro-Stump Tree Service is the best tree service ever. Had a dangerous huge tree half-way down in my yard. Glenn and his crew handled it professionally and safely.”
Ed Lee
“Pro Stump Tree Service was at my house yesterday and I am so glad I hired Glenn. Professional from start to finish.”
Jason Poli
“Top notch service and reasonable prices. Glenn and his team are the real deal. Highly recommended.”
Serving Properties Near Notable Locations
3 public landmarks and green spaces in Pennington shape the surrounding tree canopy. Properties near these locations often have mature specimens requiring careful assessment before any work begins.
Seasonal Tree Care Tips
Spring (Mar–May)
Mercer County's urban canopy faces unique spring challenges, compacted soil and road salt damage stress White Oak after winter. Schedule post-winter inspections and crown cleaning before full leaf-out in April.
Summer (Jun–Aug)
Urban heat island effects in Mercer County intensify drought stress on White Oak and Sugar Maple. Monitor for leaf scorch and bark splitting. Avoid pruning oaks between April and August. Stump grinding is easiest on dry, firm ground.
Fall (Sep–Nov)
Fall is ideal for tree pruning throughout the county. Mercer County's mix of suburban and wooded lots means deadwood and overgrown canopies are common. Thin and reduce before winter wind loads increase. Schedule hazardous tree removal by mid-November.
Winter (Dec–Feb)
With leaves off, dormant pruning reveals hidden defects in White Oak and other mature trees locally. Mercer County's freeze-thaw cycles weaken branch unions. 24/7 emergency response available for ice and snow damage.
Tree Removal Permits & Ordinances in Pennington
Pennington Borough Code Chapter 197 (Tree Removal and Replacement), adopted April 1, 2024, regulates tree removal at 6 inches DBH or greater. Tree care contractors must register with the DPW, and violations carry fines up to $1,000. The Shade Tree Commission reviews applications. Pennington is a 'doughnut town' completely surrounded by Hopewell Township.
Permits in Pennington are the property owner's responsibility per our standard terms, but Pro-Stump Tree Service will walk you through the local requirements and provide the arborist reports and documentation your application needs, so your project stays in full compliance.

Glenn Donnelly
Owner & Founder
ISA Certified Arborist · NJ Licensed Tree Expert
The Crew Behind Every Tree Job
Pro-Stump Tree Service is a family-owned business led by Glenn Donnelly (NJ Licensed Tree Expert, CTSP, retired NJ State Trooper). An ISA Certified Arborist on staff reviews every job. Company credentials include CTSP #03722, NJ Tree Expert #200988, NJ HIC #13VH07323700, LTCO #767797, and OSHA 30. The crew averages 12+ years of field experience with Mercer County's specific tree species, soil types, and storm damage patterns.
Pennington, NJ Service Area
Pro-Stump Tree Service proudly serves Pennington. We service the entire area shown below.
Need tree service in Pennington?
Free on-site estimate, written quote within 24 hours.
Tree Service FAQ for Pennington
Tree removal in Pennington ranges from $500 to $2,500. The historic borough expects careful work and thorough cleanup.
Yes. Pennington Borough Code Chapter 197 (Tree Removal and Replacement, adopted April 1, 2024) regulates removal at 6 inches DBH or greater, with fines up to $1,000. The Shade Tree Commission reviews applications.
Yes. Pennington Borough Code Chapter 197 (Tree Removal and Replacement, adopted April 1, 2024) requires permits for trees 6 inches DBH or greater, with tree care contractors required to register with the DPW. Violations carry fines up to $1,000. Pro-Stump (NJ LTE #200988) is registered and prepares the required arborist documentation.
Tree Service in Pennington & Surrounding Areas
In addition to Pennington, Pro-Stump Tree Service provides professional tree services to these neighboring communities in Mercer County:
Get Your Free Estimate in Pennington
From undefined to your neighborhood, our crew is ready. $3M insured. NJ Licensed Tree Expert #200988. 38+ years.
(732) 446-1104