Utility overview
- Legal name
- Cascade Natural Gas Corporation
- Parent organization
- Not listed
- Ownership type
- Investor-Owned
- Utility class
- Major Regulated
Official website and contact
- Official website: Visit official website (opens in a new tab)
- Customer service: 1-888-522-1130
- Gas emergency: Not listed
- Email: Not listed
- Address: Not listed
Published state services
Washington — WA
Service area: Natural gas distribution in Washington and Oregon (WA primary row; WA tariff territory per Rate Schedule 503 availability clause).
Rate jurisdiction: Washington Utilities and Transportation Commission
Customer classes: Commercial, Residential
Last confirmed: Aug 27, 2026
- State customer URL: Open link (opens in a new tab)
- Tariff or territory source: Open link (opens in a new tab)
Utility identity sources
- Cascade Natural Gas — Rate Schedule 503 Residential Service (opens in a new tab)
Tariff · Cascade Natural Gas
- Rates & Tariffs / Cascade Natural Gas (opens in a new tab)
Official Utility Website · Cascade Natural Gas
State-service sources
Washington — WA
- Washington UTC — Docket UG-260127 (Cascade Natural Gas Corporation) (opens in a new tab)
State Regulator Inventory · Washington UTC
Verified utility identity
Verified means GCC confirmed utility identity, retail gas-distribution status, and state-service evidence against authoritative sources.
Confirmation status
- Last confirmed
- Aug 27, 2026
- Reconfirmation status
- Current
Directory-information notice
GCC provides directory information only. Listings are not legal advice, regulatory advice, endorsements, or guarantees of utility service eligibility.
Service-area summaries are high-level and do not guarantee service at a specific address. Contact the listed utility directly for address-level eligibility.