Construction & Development Arborist Services

Development Arborist Reports, Tree Inventories & Protection Plans

ISA Certified Arborist Badge

Sound Tree Care provides professional arboricultural consulting for residential and commercial development throughout Seattle, Bellevue, and the greater Puget Sound region.


Our ISA Certified Arborists prepare development-related tree inventories, arborist reports, and tree protection plans to support municipal permitting and construction projects. From initial site evaluations to construction-phase tree protection, we help property owners, builders, and developers navigate tree regulations and preserve valuable trees.

✅ Development Arborist Reports & Tree Inventories

✅ Tree Protection Zones & Preservation Plans

✅ Construction Impact Assessments & Root Protection

✅ Municipal Permitting & Development Consulting

Development Arborist Reports & Tree Inventories

Before construction or land development begins, municipalities may require a professional inventory of existing trees, an evaluation of proposed construction impacts, and documentation identifying which trees will be retained, protected, or removed.

Sound Tree Care's ISA Certified Arborists provide on-site tree inventories, development arborist reports, and preservation recommendations for residential additions, new construction, subdivisions, and commercial development throughout the greater Puget Sound region.

Our assessments help property owners and design teams understand existing tree conditions, identify regulatory requirements, and incorporate tree protection measures into development planning.

🌳 Tree Identification & Inventories

Document tree species, identification numbers, trunk diameters, condition, and relevant site characteristics.

📏 Tree Measurements & Classification

Record DBH/DSH, assess tree condition, and identify applicable municipal tree classifications and protection requirements.

📋 Development Arborist Reports

Prepare professional reports documenting site trees, proposed development impacts, retention recommendations, and supporting permit information.

🛡️ Tree Protection Zones

Establish recommended tree protection areas, fencing locations, and restrictions to reduce construction impacts on retained trees.

🏗️ Construction Impact Assessments

Evaluate potential conflicts with foundations, excavation, grading, utilities, access routes, and soil compaction.

🏛️ Municipal Development Review

Provide arborist documentation for development applications and assist with technical questions or requested revisions during city review.

What's Included in a Development Arborist Report?

Development arborist reports document existing tree conditions, evaluate potential construction impacts, and provide recommendations for tree retention, removal, and protection. Sound Tree Care prepares professional reports tailored to project requirements and applicable municipal regulations.

A typical development arborist report may include:

  • Tree Inventory & Identification: Tree numbers, species, DSH/DBH measurements, condition ratings, and relevant site observations.
  • Tree Retention & Removal Recommendations: Identification of trees suitable for preservation, proposed removal, or additional assessment.
  • Construction Impact Evaluation: Review of potential impacts from grading, excavation, foundations, driveways, utilities, and site access.
  • Tree Protection Zones: Recommended protection boundaries, fencing requirements, root protection measures, and construction restrictions.
  • Photographic Documentation: Field photographs of existing trees, structural conditions, root zones, and relevant site features.
  • Municipal Permit Documentation: Written findings, inventory tables, and preservation recommendations to support development applications and agency review.

Report contents vary by jurisdiction, project scope, and the plans available for review. Tree locations requiring survey-grade accuracy should be established by a qualified surveyor.

Real Development Tree Inventory — Lake Forest Park, WA

Explore an actual Sound Tree Care tree inventory prepared for a Lake Forest Park project. Our ISA Certified Arborist documented tree species, trunk diameters, condition ratings, structural characteristics, and off-site trees using numbered photographic records.

This field documentation illustrates the level of detail available to support development arborist reporting, tree preservation planning, and municipal review.

When Should You Hire a Development Arborist?

Engaging an ISA Certified Arborist early in the planning process helps identify protected trees, establish preservation requirements, and address construction conflicts before permitting or excavation begins.

Early involvement can reduce costly design changes, permitting delays, and unnecessary tree damage.

Tree Protection Plans & Construction Tree Protection Zones

Trees retained during construction require careful planning to protect their roots, trunks, and canopies from damage. Sound Tree Care develops site-specific tree protection recommendations that account for proposed excavation, grading, equipment access, utility installations, and surrounding site conditions.

Our ISA Certified Arborists help property owners, builders, and developers establish tree protection zones (TPZs), identify construction restrictions, and implement practical preservation measures consistent with applicable municipal requirements.

🛡️ Tree Protection Zones

Establish tree protection zones (TPZs) based on tree size, root conditions, site constraints, and applicable municipal regulations. Identify areas where construction disturbance should be restricted to protect retained trees.

🚧 Protective Fencing & Site Controls

Develop fencing recommendations, construction access restrictions, and site protection measures to reduce damage from equipment, material storage, grading, and soil compaction.

🌱 Root Protection & Excavation

Evaluate potential impacts from trenching, foundations, utilities, and excavation near retained trees. Recommend appropriate root protection measures and arborist oversight when work occurs near sensitive root zones.

📋 Construction Monitoring

Provide construction-phase arborist inspections, photographic documentation, and recommendations when site conditions change or work approaches protected trees and their root systems.

Construction Monitoring & Arborist Oversight

Tree protection doesn't end when fencing is installed. Excavation, grading, utility installation, and changing site conditions can introduce new risks to trees designated for preservation.

Sound Tree Care provides construction-phase arborist oversight to evaluate work near protected trees, document site conditions, and recommend corrective measures when necessary.

Our construction monitoring services include:

  • Preconstruction Inspections: Verify tree protection zones, fencing, and site conditions before work begins.
  • Root Excavation Oversight: Evaluate exposed roots and recommend appropriate protection or pruning measures.
  • Construction Compliance Monitoring: Document tree protection conditions and identify deviations from approved preservation plans.
  • Photographic Documentation: Record site observations and provide written findings when required.

Our goal is to help contractors maintain appropriate tree protection measures while keeping development projects moving forward.

See Our Arborist Field Documentation

Sound Tree Care uses CompanyCam to document site conditions, organize inspection photographs, and support professional arborist recommendations.

Explore an example of our project reporting and photographic documentation.

View CompanyCam Field Report →

Municipal Development Permits & Tree Code Requirements

Construction and development projects throughout the Puget Sound region may require tree inventories, arborist reports, tree retention plans, and construction protection measures before permits can be approved.

Requirements vary by municipality, property conditions, and project scope. Sound Tree Care's ISA Certified Arborists help property owners, architects, contractors, and developers understand applicable tree regulations and prepare professional documentation for municipal review.

Our consulting services support residential additions, new construction, subdivisions, commercial development, and projects involving protected trees or environmentally critical areas.

🏙️ Seattle Development Projects

Tree inventories, development arborist reports, tree protection areas, and supporting documentation for Seattle Department of Construction & Inspections (SDCI) review.

🌲 Bellevue Development Projects

Tree retention requirements, development impact evaluations, preservation planning, and tree protection recommendations for Bellevue development applications.

🏡 Renton Development Projects

Tree retention plans, tree inventories, professional arborist reports, and supporting documentation for applicable municipal development reviews.

🏗️ Greater Puget Sound

Development arborist consulting for residential and commercial projects throughout Tacoma, Kent, Burien, Federal Way, and surrounding Puget Sound communities.

Local Requirements. Professional Documentation.

Municipal tree regulations can influence building layouts, site access, excavation limits, and development schedules. Early arborist involvement helps identify potential conflicts and prepare appropriate supporting documentation before permit review.

Sound Tree Care works with project teams to provide clear arborist findings, preservation recommendations, and development-related tree documentation. Final permit determinations remain with the applicable jurisdiction.

Local Tree Permit & Development Resources

mercer island
By eric B • January 4, 2026
Everything Mercer Island homeowners, HOAs, and contractors need to know about tree removal permits, significant tree regulations, Environmentally Critical Areas (ECAs), Tree Protection Zones (TPZs), and replanting requirements (2026)
Kent sign in front of tall green trees and colorful banners on a sunny day
By eric B • October 5, 2025
Get essential info on Kent tree removal permits ®gulations. Our ISA Certified Arborists are ready to help with compliance!
Map of Washington state highlighting Tacoma with a red star.
By eric B • October 5, 2025
Get expert help navigating Tacoma’s 2025 tree removal permits & code. Learn about significant trees, ECAs, TPZ rules, and replanting requirements.
City of Shoreline sign in large white letters against a gray wall, shrubs in front, wet ground.
By Eric Ledford • October 4, 2025
Everything you need to know about Shoreline’s 2025 tree protection code — permit rules, significant trees, and replanting requirements.

Our Development Arborist Consulting Process

Sound Tree Care provides a structured approach to development-related tree assessments, reporting, and preservation planning. Our ISA Certified Arborists work with property owners, design professionals, and contractors to identify tree-related requirements early and provide practical documentation throughout the development process.

1

Initial Consultation

Discuss the proposed development, site conditions, project plans, and applicable municipal requirements.

2

On-Site Tree Inventory

Identify and document trees, trunk diameters, observed conditions, and relevant site characteristics.

3

Development Impact Evaluation

Review proposed grading, excavation, structures, utilities, and access routes for potential conflicts with retained trees.

4

Arborist Report & Protection Plan

Prepare tree inventory documentation, retention recommendations, and site-specific tree protection measures.

5

Municipal Review Support

Address arborist-related questions and provide additional documentation or revisions when requested during permit review.

6

Construction Monitoring

Provide site inspections, photographic records, and professional recommendations when construction affects protected trees.

Every development project is different. Services are tailored to the municipality, project scope, available plans, and required documentation. Construction monitoring and additional permit-review support are provided when included in the agreed scope of work.

Construction & Development Arborist FAQs

Planning construction or property development can involve tree inventories, preservation requirements, municipal permits, and arborist documentation. These frequently asked questions explain when professional arborist services are needed and what to expect during the development process.

  • Do I need an arborist report for a construction or development permit?

    Many Puget Sound municipalities require arborist documentation when development affects protected trees, tree retention areas, or regulated properties. Requirements depend on the jurisdiction, project scope, and site conditions. Sound Tree Care prepares development arborist reports, tree inventories, and preservation recommendations to support applicable permit applications.

  • What is included in a development tree inventory?

    A development tree inventory typically documents tree identification numbers, species, trunk diameters (DSH/DBH), observed condition, and relevant site characteristics. Depending on municipal requirements, it may also include retention recommendations, tree protection classifications, and information coordinated with project site plans.

  • How are tree protection zones established?

    Tree protection zones are established by evaluating tree size, species, root conditions, site constraints, and applicable municipal regulations. Our ISA Certified Arborists recommend protection boundaries, fencing locations, and construction restrictions to help reduce impacts on retained trees.

  • Can construction occur within a tree protection zone?

    Construction within a tree protection zone may be restricted or require special approval, depending on local regulations. When work near protected roots is unavoidable, an arborist may recommend modified excavation methods, root protection measures, or construction monitoring. Any proposed disturbance must comply with applicable permit conditions.

  • When should I hire an arborist for a development project?

    Ideally, an arborist should be involved before finalizing building layouts, excavation plans, or permit applications. Early tree inventories and preservation assessments help identify potential conflicts, clarify municipal requirements, and reduce the likelihood of costly project revisions.

  • How much does a development arborist report cost?

    Development arborist report pricing depends on the number of trees, site complexity, municipal documentation requirements, and available construction plans. Projects involving extensive inventories, tree protection plans, construction monitoring, or multiple rounds of municipal review generally require additional consulting time. Sound Tree Care provides project-specific proposals outlining the agreed scope and fees.

Tell Us About Your Construction or Development Project

Planning a new home, addition, subdivision, or commercial development? Tell us about your property, proposed construction, and any tree inventory, arborist report, or tree protection requirements. Include your project address, available site plans, permit information, and photographs if possible. Our ISA Certified Arborists will review your request and follow up to discuss the appropriate consulting services, project scope, and fees.