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May 12, 2026
Local Permits for Forest Clearing and Tree Protection
What Orcas Island owners must know before logging, clearing, or removing canopy near building sites
Prevent costly delays and fines for clearing projects
A single unpermitted tree cut can trigger a restoration order and months of delays. On Orcas Island, county, state, and shoreline rules overlap and control clearing by acreage, tree diameter, and distance from shore.
According to Washington DNR, a Forest Practices Application or Notification is required for timber harvest, road work, culverts, and similar actions. San Juan County's shoreline jurisdiction extends 200 feet from the Ordinary High Water Mark and tightly restricts tree removal. See sanjuancounty guidance on developing shoreline property for details.
This article shows which permits apply, how to assemble a permit-ready package, and on-the-ground practices that reduce impacts and speed approval.

Which permits and numeric triggers apply to clearing on Orcas Island?
Before you clear, it helps to know which agencies may need notice and which numbers matter. Rules overlap here, and a small project can cross county, state, and federal lines quickly.
This map shows the common permits you’ll see and the quick thresholds to check so you can spot trouble early.
Permits and approvals you’ll likely encounter
- Washington DNR requires a Forest Practices Application or Notification for timber harvest, road work, culverts, and similar actions on forest land. Check with the DNR before any harvest or road building.
- San Juan County review covers clearing, grading, and tree removal inside shoreline and critical-area buffers. Tree removal within 200 feet of the high water line generally needs a permit and may be tightly limited.
- The U.S. Army Corps of Engineers regulates dredge or fill into wetlands and other waters under Clean Water Act Section 404. If your clearing involves wetland grading or fill, expect Corps review and the common JARPA form.
- The Washington Department of Ecology enforces shoreline rules that aim for no net loss of functions. Shoreline clearing is limited to the minimum area needed and typically must be replanted quickly.
- Federally recognized tribes and the state cultural review process must be consulted for ground‑disturbing work. An Inadvertent Discovery Plan is often required before you dig.
Quick numeric triggers to check right now
- Shoreline jurisdiction extends 200 feet inland from the Ordinary High Water Mark, which raises stricter tree and clearing rules.
- If your project disturbs one acre or more, you will need Construction Stormwater permitting from Ecology.
- San Juan County flags removal of more than 12 significant trees per acre and removal of exceptional trees for permit review.
- County critical‑area review applies within 300 feet of mapped critical areas and near certain bird nesting buffers.
- If your work places fill in wetlands or navigable water, prepare for a Corps permit application using JARPA.
Start by checking whether your parcel is within 200 feet of water and whether you plan to disturb more than one acre. If either is true, plan for multi‑agency review and get professional help early to avoid delays.
For more on shoreline setbacks and sensitive habitat rules on Orcas, see our guide at Navigating shoreline setbacks and sensitive habitat rules on Orcas.

What to include in a permit‑ready clearing package (and who to hire)
Worried your clearing plan will be returned for missing documents? Get the usual attachments right the first time and you’ll avoid delays and extra expense.
A complete clearing application bundles mapped plans, technical reports, and a short narrative that explains how you will protect soil, trees, and cultural resources.
Standard components county reviewers expect
- A scaled site plan showing north arrow, graphic scale, property lines, adjacent ownership, existing structures, and the clearing limits.
- Five‑foot contour intervals and corner grades so reviewers can see slopes and drainage patterns.
- A professional tree survey or arborist report listing trees, DBH (diameter at breast height), condition, and mapped tree protection/root zones.
- An erosion and sediment control plan or stormwater notes that describe temporary and permanent measures during construction.
- A mitigation or planting plan that specifies species, sizes, locations, and proposed monitoring or financial assurance where required.
- Geotechnical soil logs or a slope/bluff report for sites with steep terrain or known hazards.
- A cultural resources statement and an Inadvertent Discovery Plan, plus tribal consultation when ground is disturbed.
Who to hire and what they deliver
- A licensed surveyor produces accurate property lines, corner grades, and the contour map reviewers want.
- A certified arborist creates the tree inventory, maps TPZ/CRZ areas, and writes hazard assessments for permit review.
- An environmental consultant helps with critical‑area evaluation, mitigation plans, and tribal or DAHP coordination when needed.
- A geotechnical engineer provides soil logs and slope recommendations for any bluff or steep‑slope work.
Formatting and filing tips for San Juan County
San Juan County asks for site plans printed on 8.5 by 14 inch paper or smaller, with a clear north arrow and graphic scale.
Your narrative should explain fill sources, compaction, drainage, erosion control sequencing, and site restoration methods.
Submit electronically through the San Juan County Permit Center and follow the Clearing & Grading Checklist so your package meets code.
For a detailed checklist and examples, see the county’s Clearing & Grading Checklist and our guide on permit‑ready site plans.

Fence Critical Root Zones, phase clearing, and use low‑impact excavation
Want to keep your largest trees healthy and avoid costly enforcement? Start on day one by mapping and protecting Critical Root Zones.
San Juan County defines CRZs and expects a formal tree protection plan and fenced protection areas before work starts. Put a visible fence at the CRZ limit and post signs so crews know where not to enter. San Juan County tree protection guidance
Phase clearing, control sediment, and build swales for credit
Limit the area exposed at any time by phasing clearing and keeping vegetation where possible. Use silt fences on contours, a stabilized construction entrance, and vegetated swales to slow, filter, and infiltrate runoff.
These measures are standard on island sites and earn mitigation credit when tied into your ESCP or SWPPP. WSDOT temporary erosion and sediment control guidance
Dig carefully, reuse biomass, and meet contractor obligations
Hand‑digging, pneumatic (air) excavation, vacuum excavation, and low‑ground‑pressure machines protect roots and limit compaction. Keep runs across root zones to a minimum and cover root zones with mulch or plywood if traffic is unavoidable.
Prioritize on‑site reuse of biomass: chip for mulch or compost feedstock, mill usable logs, and make untreated firewood. Keep treated wood out of burns and compost piles and handle it per state guidance.
Permitting agencies expect licensed, insured contractors and documentation such as your site plan, ESCP/SWPPP, and arborist or geotech reports before work begins.
Skip permits or ignore protections and you risk stop‑work orders, restoration mandates, and fines that state and county agencies have levied in the tens of thousands of dollars. Washington State enforcement and cleanup process
Plan ahead. Fence CRZs, phase work, use low‑impact excavation, reuse biomass, and hire a contractor who carries insurance and prepares permit‑ready documents.
We coordinate permit‑ready site prep with shop‑built construction to keep on‑island disturbance low and approvals moving. Learn how we coordinate site prep with prefabrication

Practical next steps to keep your clearing permit on track
Worried about delays, fines, or habitat damage? Start with an early pre-application check with San Juan County and DNR so you know which agencies need maps and reports.
- Contact San Juan County planning and DNR early so you know which maps and technical reports each agency requires.
- Commission a focused arborist and a survey/site assessment to map trees, critical root zones, contours, and hazards.
- Integrate permaculture practices and BMPs into your plan to earn mitigation credit and reduce on-site disturbance.
- Hire a licensed, insured contractor who knows Orcas soils, island logistics, and permit-ready site prep to shorten review and construction time.
Careful upfront planning reduces delays, protects habitat, and lowers the risk of costly enforcement or restoration orders.
If you want help turning these steps into a permit-ready plan in the San Juan Islands, Cascadian Design-Build can help. Call our Eastsound office at (360) 472-0022 or read our guide on common permit pitfalls for more detail: Permit pitfalls on Orcas: how to avoid delays and costly rework.
















