In Yakima, Rocky Mountain Power provides electricity for most Yakima homes; Cascade Natural Gas is Yakima's natural-gas utility; City of Yakima handles Yakima's water and sewer. The exact lineup depends on your Yakima address — even nearby Kent and Federal Way answer differently.
Yakima lookups are free — all four utility types in about a minute
Yakima guide: providers · address check · checklist · FAQ · nearby
Here's the Yakima setup that catches newcomers off guard: your electricity comes from Rocky Mountain Power, an investor-owned company, not a public utility district like much of Washington runs on. Sewer is the City of Yakima citywide, and the City handles water at most addresses too — though roughly one in five homes fall inside Nob Hill Water Association territory instead. Natural gas is Cascade Natural Gas, a separate company from whoever runs your power and water. You don't shop for any of these; each address comes with its providers.
Yakima sits in the Cascades' rain shadow, a semi-arid valley where irrigation, not rainfall, feeds the hop yards and apple orchards the region is known for. That farm-town sprawl is why water service here grew up in patches: the City expanded outward while independent systems like Nob Hill kept their own service areas, so two houses on nearby streets can end up with different water providers.
| Utility | Provider | Phone | Start service |
|---|---|---|---|
| ⚡ Electricity | Rocky Mountain Power | (888) 221-7070 | Provider site |
| 🔥 Natural gas | Cascade Natural Gas | (888) 522-1130 | Provider site |
| 💧 Water | City of Yakima Municipal | (509) 698-7326 | Provider site |
| 🚽 Sewer | City of Yakima Municipal | (509) 698-7326 | Provider site |
Based on 11 sampled Yakima addresses spanning ZIP codes 98901, 98902, 98903, 98908 (2026-07-20). Yours may differ — the Yakima lookup is the tiebreaker.
City water and sewer generally stop at Yakima's limits. Cross into Union Gap, Selah, or unincorporated pockets like Terrace Heights and West Valley, and you may be on a different water district, a well, or septic — even if the mailing address still says Yakima. Confirm before you assume.
The one-minute fix: run your Yakima address through the lookup and skip the guessing.
Before your Yakima move-in, line up your providers — and check whether your water is City of Yakima or Nob Hill, since that varies block to block. Start here:
At every one of the Yakima addresses we sampled, Rocky Mountain Power was the electric utility. The exact Yakima provider depends on the address.
Generally no — Yakima electric territory is fixed by address: the utility holding your Yakima block is your utility, and at every one of sampled Yakima addresses that was Rocky Mountain Power — Yakima is a one-signup town.
At most of the Yakima addresses we sampled, City of Yakima was the water provider — sewer included. Other districts take over around Yakima's edges, so check your block.
No — at every one of the sampled Yakima addresses, Cascade Natural Gas was the gas utility, but plenty of Yakima homes are all-electric and never open this account.
Rocky Mountain Power, an investor-owned utility, served electricity at every address we sampled across Yakima. Because Washington has no retail energy choice, you don't pick an electric company — it's set by your address, and there's no competing supplier to shop. Run your address through the lookup to confirm your provider before you move.
Natural gas in Yakima comes from Cascade Natural Gas — a different company from your electric and water utilities — and it turned up at every address we sampled, so it's a separate account to set up alongside power and water. Because it's its own provider, getting the lights on doesn't start the gas; contact Cascade Natural Gas directly, and use the lookup to confirm what your specific address has.
Sewer is the City of Yakima at every address sampled — it's city-owned. Water is the City of Yakima at most addresses too, but about one in five homes fall inside Nob Hill Water Association territory instead, so you can't assume from a neighbor's bill. Which one you get depends on your exact street, not just the city. Check your address with the lookup, then set up water and sewer with the right provider.
One minute with the Yakima lookup above returns your Yakima address's exact providers, phone numbers included.
Moving somewhere just outside Yakima? Providers likely differ:
Yakima-level lists can't be precise. Your Yakima address can.
Find my providersYakima provider data comes from our address-level utility lookup engine — 11 Yakima sample addresses spread across ZIPs 98901, 98902, 98903, 98908, refreshed 2026-07-20. Individual Yakima addresses vary — check yours directly. Here's how we verify Yakima provider data.