Average Utility Costs in Issaquah, WA

Estimated monthly utility costs (1,000 kWh + 5,000 gal)

Average monthly utility costs in Issaquah, WA are about $398.37, based on 1,000 kWh of electricity and 5,000 gallons of water, plus sewer and trash fees. See the full breakdown and sources below.

Total estimated monthly utilities

$398.37

Data freshness: last verified 2026-08-15
  • Electric $203.40 (51%)
  • Water $62.11 (16%)
  • Sewer $90.48 (23%)
  • Trash $42.38 (11%)

Utilities here are about 20% higher than the Washington city average, driven mainly by electric rates.

  • In Washington, heating and cooling often makes electric the largest share of the bill.
  • Trash is provided by private haulers; residents choose their own. Our estimate reflects typical rates for the area—contact haulers for exact pricing.

Electric

Confirmed
Provider
Puget Sound Energy (PSE)
Base charge
$7.49/mo
Energy rate
$0.1959/kWh
Assumed usage
1000 kWh
Estimated monthly
$203.40
utc.wa.gov· verified 2026-08-15

PSE Schedule 7. City of Issaquah does not retail electric.

Water

Confirmed
Provider
City of Issaquah Water
Base charge
$23.06/mo
Volumetric rate
$7.81/1,000 gal
Assumed usage
5,000 gal
Estimated monthly
$62.11

¾" fixed $46.12 per 2 months ($23.06/mo) + blocks per CCF on the bi-monthly bill: 0–4 $2.98, 5–14 $7.07, 15–30 $13.17, 31–50 $21.46, >50 $30.83. 5,000 gal/mo = 13.36 CCF/2 mo: $46.12 + 4×$2.98 + 9.36×$7.07 = $124.22 / 2 = $62.11/mo. 6% city utility tax extra (Ord. 3078). Some plateau lots are Sammamish Plateau Water instead of City water.

issaquahwa.gov· verified 2026-08-15

Sewer

Confirmed
Method
flat
Estimated monthly
$90.48

Single-family/duplex: city fixed $21.43 + King County $125.32 per 2 months ($62.66/mo, matching the 2026 RCE) + city usage $2.56/CCF. Bimonthly minimum $167.23 includes 8 CCF. At 5,000 gal/mo winter average (13.36 CCF/2 mo): $167.23 + 5.36×$2.56 = $180.95 / 2 = $90.48/mo. 6% utility tax extra. Storm $44.02/2 mo is separate.

issaquahwa.gov· verified 2026-08-15

Trash

Confirmed
Monthly fee
$42.38

Weekly 32-gallon cart $41.03/mo + 2026 King County fixed disposal $1.35 = $42.38. Recycling and compost included. 20-gal mini-cart $26.17 + $0.79 disposal; 64-gal $68.78 + $2.56. Monthly (not weekly) 32-gal is $13.61 + $0.31.

recology.com· verified 2026-08-15

Check Internet pricing & availability in Issaquah

Internet service varies widely—many providers, different plans, introductory offers, and bundles make it hard to compare apples to apples. That's why we don't estimate internet on this page like we do for electric, water, sewer, and trash. Use our tool to compare providers for your address or ZIP code.

Total estimated monthly utilities

$398.37

What changes your bill most?

  • Electric is about 51% of your estimated utilities here.
  • Every 100 kWh changes your total by about $19.59.
  • Water increases by about $7.81 per additional 1,000 gallons.

Assumptions

  • Electric: 1000 kWh/month
  • Water: 5,000 gallons/month

What these labels mean

  • Confirmed — From this area's rate schedule.
  • Benchmark — From an official typical (e.g. state commission 1,000 kWh); not city-specific.
  • Delivery only — Regulated delivery charges only (e.g. Texas); supply varies by plan.
  • Estimated — From other or incomplete sources; use as a rough guide.
Sources

Wondering if solar makes sense for you? Try our solar payback calculator to find out.

Nearby Cities Utility Costs

Other cities in King County. Click a city for full breakdowns.

CityEst. total/mo
Issaquah (this)$398.37
Seattle$337.86
Bellevue$495.52
Kent$386.47
Auburn$372.36
Kirkland$478.58

More in Washington

Washington utility costsKing CountyElectric providers in Washington

FAQ

We use base charges and per-unit rates from official provider pages. Electric = base + (rate × assumed kWh). Water = base + (rate per 1,000 gal × assumed gallons / 1,000). Sewer is either a flat fee or a percentage of water. Trash is a fixed monthly fee. See the Methodology page for full formulas.
Actual bills depend on your usage, seasonal rates, taxes, fees, and provider-specific rules. Washington is a regulated electric state; our estimates use the serving utility's tariff at 1,000 kWh for comparison.
Each component shows a 'last verified' date. We aim to update from official sources periodically; always confirm current rates on the provider's site before making decisions.

Learn more

For tips on understanding your bill, comparing cities, and how electric and utility rates work by state, see our blog. Compare Issaquah with another city side-by-side, or see how we calculate estimates.