CITY OF WESTLAKE HILLS

West Lake Hills
Customer Care: 512-402-1990 Sewer Only

THIS WEBSITE IS PROVIDED AS A COURTESY FOR INFORMATIONAL PURPOSES ONLY. THIS IS NOT AN OFFICIAL WEBSITE OF THE DISTRICT, AND IS NOT OWNED OR OPERATED BY THE DISTRICT.

Online Payment Information

Pay Online

Visa/MasterCard/Discover/AMEX (3% Convenience Fee*) – Will post next business day

Electronic Check ($1.00 transaction fee*) – Will post within 2-3 business days

Text and pay using your mobile device

Visa/MasterCard/Discover/American Express (3% Convenience Fee*) – Will post next business day


Electronic Check ($1.00 transaction fee*) – Will post next business day


Sign up for Paperless Billing via the link above and have the option of paying your bill directly from your email by clicking PAY NOW using Visa/MasterCard/Discover/AMEX (3% Convenience Fee*) – Will post next business day


Monthly Auto-draft (drafted on due date)
Credit Card (3% Convenience Fee*)
Bank Draft ($1.00 Per Transaction*)
Activation completion indicated by first invoice that states “DO NOT PAY”

* These charges are third party transaction charges that are not associated or collected by Si Environmental, LLC. or your water utility district.

Payment Options
By Phone
512-402-1990 Sewer Only
The First Billing Services office is open Monday – Friday from 8:00AM– 4:30PM CT. You will need your Customer Account Number and payment information. Visa/MasterCard/Discover/AMEX (3% Convenience Fee*) – Will post next business day Electronic Check ($1.00 transaction fee*) – Will post within 2-3 business days

By Mail

City of Westlake Hills
500 N. Capital of Tx Hwy
bld 1 ste 125
Austin, TX 78746

***NO CASH ACCEPTED***

Drop Off

City of Westlake Hills
500 N. Capital of Tx Hwy
bld 1 ste 125
Austin, TX 78746

* – These charges are third party transaction charges that are not associated or collected by Si Environmental, LLC. or your water utility district.

Bill-pay through your banking institution **

Please be sure to include your account number when setting up bill-pay through your banking institution (up

to 10 days for processing from the date that the bank issues the payment)

** Online Bill-pay through your banking institution generally involves your bank utilizing a third party to create a check that is sent to the address that you specify. Si Environmental, LLC. has no control over the check creation and mailing process for this service. All payments are processed within 24 hours of receipt by Si Environmental, LLC.

Setup / End Service
Important Numbers
512-327-3628
Tax Assessor
Online Payment Information

Pay Online

Visa/MasterCard/Discover/AMEX (3% Convenience Fee*) – Will post next business day

Electronic Check ($1.00 transaction fee*) – Will post within 2-3 business days

Text and pay using your mobile device

Visa/MasterCard/Discover/American Express (3% Convenience Fee*) – Will post next business day


Electronic Check ($1.00 transaction fee*) – Will post next business day


Sign up for Paperless Billing via the link above and have the option of paying your bill directly from your email by clicking PAY NOW using Visa/MasterCard/Discover/AMEX (3% Convenience Fee*) – Will post next business day


Monthly Auto-draft (drafted on due date)
Credit Card (3% Convenience Fee*)
Bank Draft ($1.00 Per Transaction*)
Activation completion indicated by first invoice that states “DO NOT PAY”

* These charges are third party transaction charges that are not associated or collected by Si Environmental, LLC. or your water utility district.

Payment Options
By Phone
512-402-1990 Sewer Only
The First Billing Services office is open Monday – Friday from 8:00AM– 4:30PM CT. You will need your Customer Account Number and payment information. Visa/MasterCard/Discover/AMEX (3% Convenience Fee*) – Will post next business day Electronic Check ($1.00 transaction fee*) – Will post within 2-3 business days

By Mail

City of Westlake Hills
500 N. Capital of Tx Hwy
bld 1 ste 125
Austin, TX 78746

***NO CASH ACCEPTED***

Drop Off

City of Westlake Hills
500 N. Capital of Tx Hwy
bld 1 ste 125
Austin, TX 78746

* – These charges are third party transaction charges that are not associated or collected by Si Environmental, LLC. or your water utility district.

Bill-pay through your banking institution **

Please be sure to include your account number when setting up bill-pay through your banking institution (up

to 10 days for processing from the date that the bank issues the payment)

** Online Bill-pay through your banking institution generally involves your bank utilizing a third party to create a check that is sent to the address that you specify. Si Environmental, LLC. has no control over the check creation and mailing process for this service. All payments are processed within 24 hours of receipt by Si Environmental, LLC.

512-327-3628
512-327-3628