Commercial, Multi-Family & Irrigation Rates

Commercial customers are billed on a monthly basis. The bills contain both a fixed rate and a commodity rate for water, irrigation, and wastewater. Water consumption is billed at a winter commodity rate from November through May and a summer commodity rate from June through October. A variable wastewater collection rate is assessed if there is more than 600 cubic feet of chargeable wastewater in a billing period.

2020 Monthly Water & Wastewater Rates

1 cubic foot of water usage equals 7.48 gallons.

Commercial & Multi-Family Water - Fixed Monthly Charge

Meter SizeFixed Monthly Charge
5/8 - 3/4 inch$21.19
1 inch$37.71
1.5 inches$65.21
2 inches$98.14
3 inches$186.93
4 inches$285.83
6 inches$560.79
8 inches$891.18


Commercial & Multi-Family Water - Commodity Charges

Meter SizeWinter Commodity Charge (November 1 to May 31, per 100 cubic feet)Summer Commodity Charge (June 1 to October 31, per 100 cubic feet)
5/8 to  3/4 inch$2.60$4.45
1 inch$2.60$4.45
1.5 inches$2.60$4.45
2 inches$2.60$4.45
3 inches$2.60$4.45
4 inches$2.60$4.45
6 inches$2.60$4.45
8 inches$2.60$4.45


Irrigation Water Rates

Meter SizeFixed Monthly Charge - Water Meter OnlyFixed Monthly Charge - Exempt MeterCommodity Charge (per 100 cubic feet)
3/4 inch$19.50$0$6.56
1 inch$34.70$0$6.56
1.5 inches$60.00$0$6.56
2 inches$90.30$0$6.56
3 inches$172.00$0$6.56
4 inches$263.00$0$6.56
6 inches$516.00$0$6.56
8 inches$820.00$0$6.56


Wastewater Rates

Redmond Wastewater fixed monthly charge is $19.86 per meter, which includes the first 600 cubic feet of chargeable wastewater. A commodity charge of $1.95 per 100 cubic feet of chargeable wastewater is assessed after the first 600 cubic feet. 

King County Wastewater Treatment Rate fixed monthly charge is $45.33 per meter, which includes the first 750 cubic feet of chargeable wastewater. A commodity charge of $6.044 per 100 cubic feet of chargeable wastewater is assessed after the first 750 cubic feet.