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Permits, Applications, and Forms
Snohomish County Planning and Development Services is responsible for reviewing and issuing a wide variety of permits and land use applications, including: residential and commercial building permits, boundary line adjustments, subdivisions, driveway aprons to the right-of-way, clearing and grading, public events, firework stands, and others. Permit applications may be submitted online at MyBuildingPermit.com.
Address Application
Accessory Dwelling Units
Agricultural/Farm-Related Business
Boundary Line Adjustments (BLA)
Visit the Boundary Line Adjustments webpage for more information on the process of adjusting boundary lines.
Burn Permits
Find information regarding burn permits on the Fire Marshal / Code Enforcement Division webpage.
Commercial Building Permits
Examples of Commercial Building Permits include:
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Critical Areas
Disclosure Notices/Forms
Driveway Permits
Find information regarding driveway permits on the Right-of-Way Use webpage.
Engineering Review
Research the county's grading, drainage, and clearing requirements.
Fireworks
Flood Hazard
Forest Practices
Items needed for a Forest Practices application include:
- Forest Practice Activity Application (Includes LDA Application)
- SEPA Environmental Checklist
- Residential Site Plan Submittal Checklist
- Grading, Clearing, and Drainage
- Drainage Plan is located on the engineering webpage.
- Geo-Technical Report, if required
- Critical Area Study, Bulletin #15, if required
- Critical Area Site Plan
Innocent Purchaser
Land Use Permits or Approvals
Examples of land use permits include:
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Lot Status
Low Impact Development (LID) Projects
Mobile Food Trucks
If operating in unincorporated Snohomish County, a permit is required. A permit can be obtained by applying on MyBuildingPermit.com as a special event permit. Please view the following checklist for requirements:
Permit Vacation
Public Notice Payment
Residential Building Permit Application
Examples of Residential Permits include:
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Right-of-Way
View the permits and information related to right-of-way use.
Road Access Application
Road Utility Construction
View the permits and information related to road utility construction.Special Events
Find the forms and codes related to special events