Building Division

The Building Division for the City of Newcastle administers permit and code enforcement activities. This includes any work for both new and existing structures and covers those items mentioned under, "What Requires a Permit". The staff members of this division include the Building Official, Inspector/Code Enforcement Officer and Permit Coordinator.

Code enforcement officers are tasked with the enforcement of the Newcastle Municipal Code (NMC) as adopted by the City Council, city standards and other universal codes and standards.

The goals of this division are to provide thorough and accurate inspections within a 24 hour turnaround time, excellent customer service and a staff that is well trained and equipped to serve the needs of the citizens and customers.

I'm making repairs or improvements to my home. Do I need a permit?

Many homeowners are not aware that permits are required for specific repair or home improvement projects. Common repair or improvement projects that require permits include:

  • Re-roofing*
  • Furnace Replacement
  • Back-up Generators
  • Decks (New, Replacing, or Repairing)*
  • Water Heater Replacement
  • Air Conditioner Installation
  • Irrigation Systems

*Some exemptions apply - see permit requirements

If you or your contractor has a question about the permit requirements, please don’t hesitate to call. Penalties apply for working without a permit.

Building Department: 425-649-4444

Who do I contact about asbestos information or notification?

The Puget Sound Clean Air Agency handles asbestos information.
Find more information on this webpage: or call 206-689-4058.

Who do I contact about sewer and water connections or fees?

Sewer and water in the city is provided by the Coal Creek Utility District. Go to or call 425-235-9200. 

Who do I contact about electrical permits?

Electrical permits and inspections are handled by the Department of Labor & Industries. Visit their website at or call 425-990-1400.

Building Permit Website

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