Living in Mirrormont, WA: what to set up and who to call
Mirrormont has no town government of its own, so King County runs its elections and most services, and its children attend Issaquah School District. For emergencies, Mirrormont is closest to Swedish Issaquah, 5.5 miles away.
I’m new in town
What to set up in Mirrormont, 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 Mirrormont.
Power comes from Puget Sound Energy
Puget Sound Energy (Puget Sound Energy Inc), an investor-owned utility, serves all of Mirrormont. 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 Mirrormont water system
The Mirrormont water system supplies Mirrormont: about 77% of residents live in its service area. Twenty-Three 800 Tiger Mountain serves another 7%. Cedar River Water & Sewer District serves another 6%. Four Lakes serves another 6%. About 6% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water and serves 2,083 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 7,966 systems serving 1,001–3,300 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 1.5 ppb, below the 15 ppb action level that applied. The highest in five years was 2.0 ppb. That’s higher than 61% 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. WA5355250.
5 home internet providers serve Mirrormont
96% of 1,504 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 95% | 2,000/250 |
| CenturyLink | DSL, Fiber | 22% | 100/10 |
| Verizon | Fixed wireless | 56% | 300/20 |
| AT&T | Fixed wireless | 26% | 25/3 |
| T-Mobile | Fixed wireless | 26% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Mirrormont’s trash rules yet
Pickup rules, the dump and recycling in Mirrormont.
Where your child goes to school
Public school districts and the school path by grade.
Most of Mirrormont (92%) is in Issaquah School District; parts are in Tahoma School District (8%).
A+School gradeSee Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
No town hall: the county runs things
Mirrormont is unincorporated, so King County is the local government.
Election office: FVAP local election office directory, updated Sep 2021; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 30, 2026.
Mirrormont spans 2 ZIP codes
ZIP codes where Mirrormont residents live, with the share of the town in each.
| ZIP | Post office name | Share of Mirrormont | ZIP’s residents in Mirrormont |
|---|---|---|---|
| 98027 | Issaquah, WA | 91% | 12% |
| 98038 | Maple Valley, WA | 9% | 1% |
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 Mirrormont
Who supplies Mirrormont’s drinking water, and has it had violations?
The Mirrormont water system (EPA ID WA5355250). It reported no health-based violations to EPA in the five years to October 2026; 78% of systems its size had none. Its latest lead 90th percentile was 1.5 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Mirrormont?
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 Mirrormont?
Xfinity, CenturyLink, Verizon, AT&T, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Mirrormont?
98027 (91%), 98038 (9%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Mirrormont in?
Issaquah School District. Parts of the city are in Tahoma School District.
How do I register to vote in Mirrormont?
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: OpenStreetMap, Geofabrik extract of Oct 9, 2026. © OpenStreetMap contributors (ODbL).
- 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.