Billing

Online Billpay

To register your account online or to pay your bill, https://sienv.firstbilling.com/Account/Login.aspx?ReturnUrl=%2fclick here

Customer Support

For billing, service requests and other inquiries use the following:

General Customer Service Number: (832) 490-1600

Customer/Billing Inquiries Email: customercare@sienv.com

For general phone inquiries, please contact our Customer Service department Monday through Friday from 8:00 a.m. to 5:00 p. m., with the exception of holidays.

Our payment hours are:

Main Office https://goo.gl/maps/GfLhAysPP9zgwqar86420 Reading Road Rosenberg, TX 77471 Phone: 832-490-1600 Monday through Friday from 8:00 a.m. to 5:00 p.m.

For after-hour emergencies, please contact our dispatch team at 832-490-1601.

Water rate (single family residential)

• $5.00 - Minimum rate for service
• $1.00 - Rate per 1,000 gallons metered for usage between 10,001 gallons and 15,000 gallons
• $1.75 - Rate per 1,000 gallons metered for usage between 150,001 gallons and 25,000 gallons
• $2.50 - Rate per 1,000 gallons metered for usage between 25,001 gallons and 35,000 gallons
• $3.50 - Rate per 1,000 gallons metered for usage between 35,001 gallons and 60,000 gallons
• $5.00 - Rate per 1,000 gallons metered for usage above 60,001 gallons

Sewer rate (single family residential)

• $10.00 - Base rate for service