HVAC / Furnace Permit Requirements in Bellevue, WA

Fully paperless permitting — all applications through MyBuildingPermit.com portal (select Bellevue jurisdiction). Uses 2021 Washington State Residential Code with local amendments, effective Mar 15, 2024. King County. Email: permits@bellevuewa.gov

Population: 151,854 Code: 2021 Verified: 2026-03-21 4 local rules

When you DO need a permit

HVAC replacements require a permit in Bellevue, WA.

Estimated fee: $100 – $330

Typical timeline: 5 business days

Source: Bellevue City Code / 2021 Washington State Residential Code

Changing HVAC type requires permits in Bellevue, WA.

Estimated fee: $200 – $660

Typical timeline: About 2 weeks

Source: Bellevue City Code / 2021 Washington State Residential Code

Adding central HVAC requires permits in Bellevue, WA.

Estimated fee: $395 – $1,320

Typical timeline: About 4 weeks

Source: Bellevue City Code / 2021 Washington State Residential Code

Ductwork modifications require a permit in Bellevue, WA.

Estimated fee: $130 – $460

Typical timeline: About 2 weeks

Source: Bellevue City Code / 2021 Washington State Residential Code

Check your specific project

Answer a few quick questions to get a personalized answer for your exact project.

Check Now — Free →

Free Lookup vs. Pro Report

$7.99

Less than a coffee. Could save you a $5,000 fine.

Free (what you see above)
  • Permit required / exempt answer
  • Code citation
  • Estimated fee range
  • Approval timeline
  • Building dept contact
Pro Report adds:
  • Step-by-step application guide
  • Required documents checklist
  • Complete fee breakdown
  • Contractor vs. owner-builder info
  • Setback & height requirements
  • Printable PDF-ready report
Get Pro Report →

See a sample report

One-time payment. 30-day money-back guarantee.

Contractors: speed up your bidding — get exact requirements for your client in seconds.

Building Department Contact

NameDevelopment Services Department
Address450 110th Ave. NE, Bellevue, WA 98004
HoursMon-Thu 10am-3pm (walk-in), Mon-Fri 8am-4pm (virtual)

Frequently Asked Questions

Estimated permit fees for HVAC / Furnace projects in Bellevue, WA range from $100 – $330. Fees vary based on project scope and valuation.

It depends on the specifics of your project. Some smaller HVAC / Furnace projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.

Working without a required permit in Bellevue can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.

Typical approval time for HVAC / Furnace permits in Bellevue is 5 business days. More complex projects may take longer if plan review is required.

Learn More About HVAC / Furnace Permits

Read our complete guide covering permit requirements, costs, common exemptions, and the application process.

Read HVAC / Furnace Guide →

Estimate your permit fees →

Disclaimer: This information was last verified on 2026-03-21. Building permit requirements may change. Zoning requirements (setbacks, lot coverage, height limits) are separate and vary by location. Always confirm with your local building and planning departments before starting your project. PermitMint provides general guidance, not legal advice.