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§ WA King County
City building permits

City of Black Diamond

How to apply for a building permit in City of Black Diamond, Washington. Permit authority, application steps, fees, and inspection requirements.

Avg processing
Varies by permit type.
Last verified
April 2026
On this page 5
§ 01

Permit authority

Community Development

Street address
24301 Roberts Drive, PO Box 599, Black Diamond, WA 98010
Coverage
All properties within the incorporated City of Black Diamond.
Online portal
City-specific system (not MyBuildingPermit)
City-specific system
Additional resources
§ 02

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.

Contact Black Diamond Permit Center for specific exemption information
  • Exempt Contact Black Diamond Permit Center for specific exemption information

Note: Forms and tip sheets available on website.

Required documents
  • 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 ↗

§ 03

Application process

Typical processing: Varies by permit type.

  1. 01
    Pre-Application Meeting (available and required for some permit types)
  2. 02
    Complete forms available online or at Permit Center
  3. 03
    Prepare documents (plans and supporting documents)
  4. 04
    Submit application online or in-person
  5. 05
    Pay fees at submittal
  6. 06
    City staff reviews application
  7. 07
    Permit issuance upon approval

Typical processing time: Varies by permit type.

Source: Community Development ↗

§ 04

Required inspections

Scheduling and sequence

How to schedule
Inspection hours
Monday-Friday, 8:30 AM - 5:00 PM

Source: Community Development ↗

§ 05

Frequently asked

Common questions about Black Diamond permits

01 Do I need a building permit in Black Diamond, WA?
A building permit is required for most construction within the City of Black Diamond.
02 How do I apply for a building permit in Black Diamond, WA?
To apply for a building permit in Black Diamond, WA, follow these steps: 1. Pre-Application Meeting (available and required for some permit types) 2. Complete forms available online or at Permit Center 3. Prepare documents (plans and supporting documents) 4. Submit application online or in-person 5. Pay fees at submittal 6. City staff reviews application 7. Permit issuance upon approval
03 How long does it take to get a building permit in Black Diamond, WA?
Building permit processing times in Black Diamond, WA typically run Varies by permit type.. Timelines can vary based on project complexity and current department workload.
04 What work is exempt from building permits in Black Diamond, WA?
Not all construction work requires a permit in Black Diamond, WA. The following work is generally exempt: Contact Black Diamond Permit Center for specific exemption information. Note: Forms and tip sheets available on website. When in doubt, confirm with the local building department before starting work.
05 How do I schedule a building inspection in Black Diamond, WA?
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Black Diamond, WA via: Inspection Line: 360-851-4447, Schedule online (if available).
last verified April 2026 source Community Development ↗ entry id permits/washington/king/black-diamond

Educational reference. Permit rules and fees change — confirm current requirements directly with Community Development before applying. Jaspector is not legal advice.