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When a permit is required
Permit triggers and exempt work for Black Diamond
A building permit is required for most construction within the City of Black Diamond.
- Exempt Contact Black Diamond Permit Center for specific exemption information
Note: Forms and tip sheets available on website.
- Completed permit application
- Site plan
- Construction plans
- Project specifications
- Building code
- 2021 Washington State Building Code (adopted 2018 code with updates)
- Permit validity
- Varies by permit type.
- Contractor requirements
- Contractors must hold a valid Washington State L&I registration.
Source: Community Development ↗
Application process
Typical processing: Varies by permit type.
- 01 Pre-Application Meeting (available and required for some permit types)
- 02 Complete forms available online or at Permit Center
- 03 Prepare documents (plans and supporting documents)
- 04 Submit application online or in-person
- 05 Pay fees at submittal
- 06 City staff reviews application
- 07 Permit issuance upon approval
Typical processing time: Varies by permit type.
Source: Community Development ↗
Required inspections
Scheduling and sequence
- Inspection Line: 360-851-4447 (phone)
- Schedule online (if available) (online)
- Inspection hours
- Monday-Friday, 8:30 AM - 5:00 PM
Source: Community Development ↗
Frequently asked
Common questions about Black Diamond permits
01 Do I need a building permit in Black Diamond, WA? ▸
02 How do I apply for a building permit in Black Diamond, WA? ▸
03 How long does it take to get a building permit in Black Diamond, WA? ▸
04 What work is exempt from building permits in Black Diamond, WA? ▸
05 How do I schedule a building inspection in Black Diamond, WA? ▸
Educational reference. Permit rules and fees change — confirm current requirements directly with Community Development before applying. Jaspector is not legal advice.