Pickering Farm · Photo: Joe Mabel · CC BY-SA 3.0Living in Issaquah, WA: what to set up and who to call
Issaquah spans 2 ZIP codes; 98027 holds the most residents (52%). The closest ER is Swedish Issaquah, 1.8 miles away.
I’m new in town
What to set up in Issaquah, and who provides it. Tap an answer for the details and where they come from.
Power, water and internet
Who to call to start service at a new address in Issaquah.
Power comes from Puget Sound Energy
Puget Sound Energy (Puget Sound Energy Inc), an investor-owned utility, serves all of Issaquah. Its homes paid an average of 17.0¢ per kWh in 2025, about $147 a month (its average across Washington).
Start or move service: pse.com · (888) 225-5773
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Issaquah Water System
Issaquah Water System supplies Issaquah: about 72% of residents live in its service area. Sammamish Plateau Water & Sewer serves another 20%. City of Bellevue serves another 8%. It buys treated surface water (EPA lists City of Bellevue and Sammamish Plateau Water & Sewer and WA53AA374 as sellers) and serves 43,584 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2022, was 1.0 ppb, below the 15 ppb action level that applied. That’s lower than 59% of similar systems’ latest results.
The system’s full record: EPA ECHO report
EPA SDWIS via Envirofacts (violations pulled Oct 9, 2026) and ECHO (lead samples, 2026Q3); service area: EPA Community Water System Service Area Boundaries v3.0. Violations are counted by the start of their compliance period. WA5336350.
8 home internet providers serve Issaquah
100% of 8,850 addresses can get 100/20 Mbps; 35% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable, Fiber | 98% | 2,000/250 |
| CenturyLink | DSL, Fiber | 57% | 140/20 |
| Highlands Fiber Network | Fiber | 31% | 1,000/1,000 |
| Astound Broadband | Cable | 12% | 1,500/50 |
| Quantum Fiber | Fiber | 5% | 2,000/1,000 |
| T-Mobile | Fixed wireless | 63% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Issaquah depends on your street
Pickup days, the drop-off and recycling in Issaquah, from the town’s own site and the hauler or county pages it links to.
Your pickup week
- TrashEvery week, on your street’s day
- RecyclingEvery week, same day as trash
Accepted at the curb
- Plastic coated, taped and stapled cardboard
- Mail pieces
- Packaging
From issaquahwa.gov, the town’s official site; recology.com, which issaquahwa.gov links to for trash, checked Oct 21, 2026. Rules change: the town’s page is the last word. .
Where your child goes to school
Public school districts and the school path by grade.
Issaquah is in Issaquah School District.
A+School gradeSee Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Sep 2021; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 30, 2026.
Issaquah spans 2 ZIP codes
ZIP codes where Issaquah residents live, with the share of the town in each.
| ZIP | Post office name | Share of Issaquah | ZIP’s residents in Issaquah |
|---|---|---|---|
| 98027 | Issaquah, WA | 52% | 71% |
| 98029 | Issaquah, WA | 48% | 61% |
Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.
Getting around, the ER and the library
One line each; the subject pages have the rest.
ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Issaquah
Who supplies Issaquah’s drinking water, and has it had violations?
Issaquah Water System (EPA ID WA5336350). It reported no health-based violations to EPA in the five years to October 2026; 83% of systems its size had none. Its latest lead 90th percentile was 1.0 ppb (Jan–Dec 2022), against a 15 ppb action level.
Who provides electricity in Issaquah?
Puget Sound Energy (Puget Sound Energy Inc), an investor-owned utility. Its homes paid about 17.0¢ per kWh in 2025 (EIA).
What internet providers serve Issaquah?
Xfinity, CenturyLink, Highlands Fiber Network, Astound Broadband, Quantum Fiber, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Issaquah?
98027 (52%), 98029 (48%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Issaquah in?
Issaquah School District.
How do I register to vote in Issaquah?
In Washington you can register online until 8 days before Election Day, in person up to and including Election Day, or by mail (received 8 days before). Elections here are run by the King County Elections. Check your registration at voter.votewa.gov.
Sources & dates
Every answer above names its source. Here they are with their dates.
- Water: EPA SDWIS (Envirofacts, pulled Oct 9, 2026), ECHO SDWA 2026Q3, EPA CWS Service Area Boundaries v3.0.
- Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
- Trash: Issaquah’s own website (issaquahwa.gov) and the hauler or county pages it links to (recology.com), read Oct 21, 2026, pickup and drop-off facts extracted and checked against the page they came from.
- ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
- Schools: NCES Common Core of Data, 2024–25.
- Registration: vote.gov, updated Sep 30, 2026 (read Oct 10, 2026). Official sites and area codes: Wikidata.
- Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
- Internet: FCC National Broadband Map, as of December 2025.