Independent Tree Assessments by an ISA Certified Arborist®

Harry Doyle, ISA Certified Arborist, discussing a tree assessment with a homeowner in Central Florida

Frequently Asked Arborist Questions

Tree Risk Assessments

What is a Tree Risk Assessment?

A Tree Risk Assessment is a systematic evaluation of a tree's condition, the likelihood it could fail, and what could be affected if it did. Rather than simply flagging defects, it weighs the tree, its surroundings, and potential targets together to support informed decisions about managing risk.

See how a Tree Risk Assessment evaluates your tree →
How do I know if my tree needs a Tree Risk Assessment?

Signs worth having evaluated include a new or increasing lean, root or soil movement, decay, cavities, cracks, large dead branches, storm damage, or recent construction disturbance near the tree. None of these automatically means a tree is hazardous, but if people or property are nearby, an onsite evaluation is the way to find out.

See when a Tree Risk Assessment is recommended →
Can a tree look healthy and still present a risk?

Yes. Tree health and tree risk are related but not the same. A tree with a full, green canopy can still have structural conditions, such as included bark, poor branch attachments, or hidden decay, that affect the likelihood of failure. Risk assessment looks specifically at structural condition, not just vigor.

See what's evaluated during a Tree Risk Assessment →
Does a leaning tree need to be removed?

Not necessarily. Lean by itself does not establish that a tree is unsafe. The history of the lean, root condition, structural characteristics, site conditions, and potential targets all affect the evaluation.

See how structural conditions are evaluated during a Tree Risk Assessment →
Does getting a Tree Risk Assessment mean the tree will need to be removed?

No. Outcomes vary depending on findings, and may include no action, monitoring, pruning or other mitigation, additional assessment, or removal. Removal is only one of several possible risk-management options, not the assumed conclusion of an assessment.

See how assessment outcomes are determined →
What is evaluated during a Tree Risk Assessment?

An ISA Certified Arborist examines the tree's structure and condition, including trunk, branches, and visible roots, along with site factors such as targets, exposure, and history. These findings are weighed together, rather than any single defect, to arrive at a level of risk and appropriate recommendations.

See the full evaluation approach →
How long does a Tree Risk Assessment take?

Timing depends on the number of trees, site complexity, accessibility, the level of assessment needed, and whether written documentation is required. A single-tree evaluation typically takes less time than a multi-tree or documentation-heavy assessment. Contact ArborManagers to discuss the scope of your property.

See what affects assessment scope and timing →

Tree Health Assessments

What is a Tree Health Assessment?

A Tree Health Assessment evaluates a tree's overall vitality: canopy density, foliage condition, signs of pest or disease activity, root and soil conditions, and any patterns of decline. It focuses on how healthy the tree is, not whether it's at risk of failing structurally.

See what a Tree Health Assessment includes →
What signs indicate that a tree may be declining?

Canopy thinning, dieback, abnormal or discolored foliage, premature leaf drop, fungal growth at the base or trunk, and a general decline in vigor are all signs worth having evaluated. Some are visible from the ground; others need a closer inspection to identify.

See when a Tree Health Assessment is recommended →
What is the difference between a Tree Health Assessment and a Tree Risk Assessment?

A health assessment asks how a tree is doing, and why. A risk assessment asks whether a tree or part of it could fail, and what would happen if it did. A tree can be structurally sound but declining in health, or healthy in appearance but carrying a structural defect. Some situations call for both.

See how health and risk assessments differ →
Can a declining tree recover?

Sometimes. Recovery depends on the underlying cause, severity, species, site conditions, and whether the causal condition can realistically be corrected. Early assessment generally gives a tree the best chance, since many issues are easier to address before they become advanced.

See when to have a declining tree evaluated →
What does an arborist examine during a Tree Health Assessment?

An ISA Certified Arborist inspects the canopy, trunk, and root flare, then examines more closely any areas showing signs of stress. Depending on findings, tools such as root collar excavation or soil probes may be used to check for internal decay, compaction, or drainage issues.

See the full evaluation approach →
Can root or soil problems cause canopy decline?

Yes. Many canopy problems originate below ground. Girdling roots, a buried root flare, compacted soil, and poor drainage can all stress a tree in ways that eventually show up as thinning or dieback in the canopy.

See how root and soil conditions affect canopy health →

Arborist Reports & Documentation

What is an arborist report?

An arborist report is written documentation prepared by an ISA Certified Arborist recording tree-related observations, evaluations, and professional conclusions. It's used whenever a clear, documented professional opinion is needed for reference, review, or submission to another party.

See what arborist reports and letters cover →
What is the difference between an assessment and an arborist report?

An assessment is the professional evaluation process, the onsite examination of a tree and its condition. A report is the written documentation created from that process for a defined purpose, such as permitting, insurance, or legal review. In many cases both are produced together.

See how assessments and reports relate →
When is an arborist report required for a permit?

Many Florida counties and municipalities require a certified arborist letter or report before approving tree removal or significant tree work. Requirements vary by jurisdiction, so check with ArborManagers or your local permitting office about what your specific property and project need.

See how arborist reports support permit applications →
Can an arborist report be used for an insurance claim?

Yes. Post-storm and post-damage assessments can be documented in a written report suitable for insurance submission, including photographic evidence, condition findings, and professional opinion on the cause and extent of damage.

See how arborist reports support insurance claims →
Can an arborist report be used during a property transaction?

Yes. Trees can be a significant factor in a property's value and liability profile. A certified arborist report gives buyers, sellers, and lenders an objective professional assessment of tree condition before a transaction closes.

See how arborist reports support property transactions →
Can an arborist provide documentation for an HOA or neighbor dispute?

Yes. When a tree dispute requires professional input, an ISA Certified Arborist report provides an objective assessment based on the tree's actual condition rather than either party's preference, giving both sides a neutral basis for a decision.

See how arborist reports support HOA and neighbor disputes →

Tree Surveys & Inventories

What is a tree survey or tree inventory?

A tree survey or inventory is a documented record of the trees on a site, including species, size, general location, and condition. It's used for planning, permitting, property evaluation, and long-term tree management, and is often the foundation other arborist services build on.

See what tree surveys and inventories cover →
What information is collected during a tree survey?

A typical survey records a unique tag number, species (common and scientific name), trunk diameter, a general condition rating, and general location data suitable for site plans and mapping, along with notes on any structural or site-related factors worth flagging.

See what a tree survey includes →
When is a tree survey needed for development?

Many development projects and jurisdictions require a tree survey identifying regulated trees on a site before clearing permits are issued. Starting the survey before site planning begins gives the design team the best opportunity to work tree preservation into the project layout.

See how tree surveys support development projects →
What is the difference between a tree survey and a tree inventory?

A tree inventory describes and catalogs the trees on a property. A development tree survey may additionally require precise tree locations, mapping, regulatory classifications, and other information needed for site plans or permitting. Terminology and requirements vary by jurisdiction.

See how surveys and inventories differ →
Can an arborist locate trees for a development survey?

An ISA Certified Arborist can identify, tag, classify, measure, and inventory trees for a development project. Where survey-grade tree locations, boundaries, or elevations are required, those locations are coordinated with the project's licensed surveyor. Requirements depend on the jurisdiction and project.

See how arborist and surveyor roles differ →
Can a tree survey help before a site plan is finalized?

Yes. A tree survey done early identifies constraints, such as regulated or high-value trees, before design decisions are locked in, giving the project team room to plan around them rather than working around conflicts discovered later.

See how early tree surveys support site planning →

Tree Preservation & Planning

What is a Tree Preservation Plan?

A Tree Preservation Plan identifies which trees on a site are intended for retention, defines protection zones around them, and coordinates site activity with those retention goals, giving suitable trees a reasonable opportunity to remain healthy and viable through site changes.

See the purpose of preservation planning →
What is a Tree Protection Zone?

A Tree Protection Zone (TPZ) is a defined area around a tree, sized to its species, age, condition, and site factors, where grading, trenching, material storage, and vehicle traffic are excluded to protect roots, trunk, and canopy during construction.

See how Tree Protection Zones work →
When should tree preservation planning begin?

Before site design and construction decisions are finalized. Reviewing tree preservation options during planning, rather than after grading has started, gives the design team the most room to work around trees worth retaining.

See when preservation planning should start →
Can trees be preserved next to construction?

Sometimes. Feasibility depends on the species, condition, root-zone impacts, grading, utilities, and other site constraints. Each tree needs to be evaluated individually against the specific construction plan before a preservation decision is made.

See how preservation feasibility is evaluated →
What can damage a retained tree during construction?

Excavation, root severance, grade changes, soil compaction, equipment traffic, material storage, and drainage changes can all damage a retained tree, often in ways that aren't obvious until the canopy declines months or years later.

See what construction activities put retained trees at risk →
Who verifies that tree protection measures are followed?

Ongoing site monitoring by an ISA Certified Arborist confirms that protection measures shown on paper, such as barriers, signage, and exclusion zones, are actually being followed during clearing, grading, and construction.

See how construction monitoring works →

Construction Tree Consulting

When should an arborist become involved in a construction project?

As early as possible, ideally before site plans are finalized. Tree-related conflicts are far less costly to resolve during planning than after grading has started, and reviewing a plan early can identify root-zone conflicts before they become change orders.

See why early involvement matters →
What is a pre-construction tree feasibility assessment?

A pre-construction feasibility assessment evaluates which trees on a site are realistic candidates for retention given the proposed grading, utilities, and building footprint, before those plans are finalized, so preservation options are built into the design rather than added afterward.

See how pre-construction feasibility works →
Can an arborist review site plans before construction?

Yes. Plan and specification review checks proposed grading, utility routing, and construction details against tree protection requirements, identifying conflicts with retained trees' root zones while changes are still inexpensive to make.

See how plan and specification review works →
What happens when construction conflicts with tree roots?

Root conflicts near retained trees need case-by-case evaluation, not automatic pruning. Root pruning and excavation oversight determines what can safely be cut, what needs to be hand-dug or tunneled instead, and what alternative routing might avoid the conflict altogether.

See how root conflicts near construction are managed →
What is construction-phase tree monitoring?

Construction-phase monitoring is periodic onsite inspection during clearing, grading, and utility work to confirm that tree protection measures are being followed and that retained trees aren't being damaged as work progresses.

See how construction-phase monitoring works →
Why is arborist involvement useful before grading begins?

Grading is one of the most damaging phases for retained trees. Once it starts, root and grade conflicts are difficult and expensive to undo. Arborist review before grading begins can catch these conflicts while the plan can still be adjusted.

See why pre-grading review matters →
Can ArborManagers document construction impacts to trees?

Yes. Post-construction tree evaluations document any changes in tree condition following site work, giving property owners, contractors, and municipal reviewers a written record of how retained trees fared through construction.

See what construction consulting deliverables include →

Insurance Claims & Storm Damage

Why would an insurance company request an arborist assessment?

Insurance companies often require professional documentation when a tree is alleged to be hazardous, has contributed to property damage, or may present a foreseeable risk. An independent arborist assessment gives the carrier and the property owner an objective basis for the claim.

See how independent assessments support insurance claims →
Can ArborManagers inspect a tree after storm damage?

Yes. Storm-damaged trees can be evaluated to document structural damage, remaining defects, and failure potential, along with recommendations for further action. Some storm damage is readily visible, while other conditions need a closer inspection to identify.

See how storm damage assessments work →
Can an arborist determine whether a damaged tree should be retained?

An arborist can evaluate observable condition and recommend whether a damaged tree is a reasonable candidate for retention and monitoring, or whether the extent of the damage makes removal the more appropriate option. Recommendations depend on the specific condition observed.

See how tree condition after damage is evaluated →
Can an arborist report be sent to my insurance company?

Yes. Clients may share our written reports, arborist opinion letters, and photographic documentation with insurance carriers, adjusters, property managers, attorneys, or other parties reviewing the situation.

See what reports and documentation we provide →
Can ArborManagers document tree-related property damage?

Yes. We document observable conditions that may have contributed to property damage, including structural defects, decay, root issues, and storm-related factors evident at the time of inspection.

See how property damage documentation works →
Should I get an independent assessment before deciding to remove a storm-damaged tree?

It's often worth it. An independent evaluation documents the tree's condition before any work is performed, which can matter for insurance, permitting, or simply making sure removal is genuinely the right call rather than the easiest one.

See why an independent assessment matters before removal →

Roots, Soil & Infrastructure

What is a root collar examination?

A root collar examination inspects the base of the trunk where it transitions into the root system, checking for girdling roots, a buried or altered root flare, and other conditions that can restrict a tree's ability to take up water and nutrients.

See what a root collar examination checks →
What is a buried root flare?

A buried root flare is the natural widening at the base of a trunk that has been covered by soil, mulch, or fill, often during landscaping or construction. Burying the flare can trap moisture against the trunk and force roots to grow upward or around it, both of which stress the tree over time.

See why a buried root flare matters →
Can compacted soil cause tree decline?

Yes. Compacted soil restricts root growth and reduces the oxygen and water available to roots, which can show up in the canopy as thinning, dieback, or reduced vigor, often without an obvious cause visible above ground.

See how soil compaction is evaluated →
Can poor drainage damage tree roots?

Yes. Standing water and persistently saturated soil deprive roots of oxygen and can lead to root decline or rot. Drainage conditions are one of the first things evaluated when a canopy is declining without an obvious above-ground cause.

See how drainage conditions are assessed →
Can roots causing sidewalk or pavement damage simply be cut?

Not as a routine solution. The size, location, and structural significance of the roots involved, along with the tree's species, condition, and the infrastructure constraints, all need to be evaluated before cutting, since removing the wrong roots can destabilize the tree.

See how root-infrastructure conflicts are evaluated →
What is root excavation used for?

Root excavation, often using an air-spade, exposes root structure without damaging it, so conditions like girdling roots, decay, or a buried flare can be directly examined rather than guessed at from the surface.

See how root excavation is used →
Can changing the soil level around a tree cause problems?

Yes, in both directions. Adding soil over the root zone can suffocate roots and bury the flare, while removing soil can expose and damage roots. Both raised and lowered grades near a tree's root zone should be evaluated before work begins.

See how grade changes affect tree roots →

HOA & Community Trees

When should an HOA hire an independent arborist?

Whenever the board needs an objective, defensible basis for a tree decision: prioritizing maintenance budget, evaluating a specific tree concern, responding to a resident dispute, or supporting a permit or ordinance requirement. An independent arborist has no financial interest in the tree work ultimately performed.

See when independent guidance helps an HOA →
Should an HOA assess individual trees or perform a community-wide inventory?

It depends on the decision being made. A single concerning tree may only need an individual assessment, while budget planning, reserve studies, or a large common-area canopy usually call for a community-wide inventory that gives the board a complete picture.

See how HOA tree management plans are scoped →
How should an HOA handle tree and sidewalk conflicts?

Tree-and-sidewalk conflicts are best evaluated tree by tree, weighing preservation options against the infrastructure impact, rather than defaulting to removal.

See how HOA infrastructure conflicts are assessed →
Can tree assessments help an HOA plan its budget?

Yes. A prioritized inventory identifies which trees need immediate attention, which should be monitored, and which can be addressed in future budget cycles, giving the board a documented basis for phased work and reserve planning instead of reacting tree by tree.

See how tree assessments support HOA budgeting →
How can an HOA prepare its trees for storm season?

A pre-season assessment can flag trees with structural conditions likely to fail in high wind before a storm arrives, while a post-storm evaluation documents damage and helps the board prioritize response.

See how HOAs prepare for storm season →
Can an arborist help an HOA prioritize higher-risk trees?

Yes. A tree risk assessment across the community's common-area trees ranks them by risk level, giving the board a clear, documented basis for deciding which trees need immediate attention versus ongoing monitoring.

See how community-wide risk prioritization works →
What is an HOA Tree Management Plan?

An HOA Tree Management Plan is a documented strategy covering tree condition, maintenance priorities, budget planning, and replacement forecasting for a community's common-area trees, turning ad hoc tree decisions into a coordinated, long-term plan.

See what an HOA Tree Management Plan includes →

Recurring Tree Monitoring

What is recurring tree monitoring?

Recurring tree monitoring is scheduled reassessment of a tree's risk, health, and structural condition over time, so changes are caught early rather than discovered after a failure. Each visit produces updated documentation compared against the prior assessment.

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Which trees should be monitored over time?

Trees with a known defect being managed rather than removed, trees retained near recent construction, and high-value or high-liability trees on commercial or HOA common-area property are the most common candidates for a monitoring program.

See who typically uses recurring monitoring →
How often should a tree be reassessed?

It depends on the tree's condition, the level of risk being managed, and the consequences if changes go unnoticed. Trees being watched for a known defect are typically monitored more frequently than a routine annual check, and intervals are adjusted as conditions warrant.

See how monitoring intervals are set →
Can a tree with a known defect be monitored instead of removed?

In some cases, yes. Whether monitoring is an appropriate alternative to removal depends on the specific defect, the risk it presents, the consequences of failure, and whether conditions can realistically be tracked closely enough to catch a meaningful change before it matters.

See how structural condition monitoring works →
Can trees affected by construction be monitored during recovery?

Yes. Trees retained near recent construction are often monitored on a closer schedule while they recover from root or grade disturbance.

See how construction-impact monitoring works →
Why keep written records of repeated tree assessments?

A written record turns a series of one-time impressions into a documented trend, showing whether a tree's condition is stable, improving, or declining over time, rather than relying on memory or isolated inspections when a decision needs to be made.

See what recurring monitoring deliverables include →

Why Choose ArborManagers

Certified Expertise

ISA-certified arborist providing independent assessment and consulting services

Proven Experience

Over 40 years of experience serving Florida's residential and commercial properties

Objective Documentation

Comprehensive reports that document conditions and provide clear recommendations

Independent Perspective

An unbiased evaluation before work begins, with no financial interest in the outcome

Let's Identify Your Next Step

Independent assessment and objective documentation, before work begins.