Tax Transparency
Information about the District required by Section 26.18, Texas Tax Code, created by Senate Bill 2 (also known as the Texas Property Tax Reform and Transparency Act of 2019), is available below:
Welcome to the new website for Sienna MUDs
Through this website you can find important resources for these districts in Sienna:
- Sienna Municipal Utility District No. 2
- Sienna Municipal Utility District No. 3
- Sienna Municipal Utility District No. 4
- Sienna Municipal Utility District No. 5
- Sienna Municipal Utility District No. 6
- Sienna Municipal Utility District No. 10
- Sienna Municipal Utility District No. 12
- Sienna Management District
- Sienna Regional Municipal Utility District
Upcoming Meetings
Monday, September 8, 2025 at 2:00 PM
The Board meets the first Monday of each month at noon, at the offices of Allen Boone Humphries Robinson LLP, 3200 Southwest Freeway, 24th Floor, Guadalupe Room. Meetings are open to the public. The Board welcomes and encourages District residents to attend.