Sienna Municipal Utility District No. 6
District Consultants
Attorney
Allen Boone Humphries Robinson LLP
3200 Southwest Freeway, Suite 2600, Houston, Texas 77027
(713) 860-6400
Bookkeeper
Municipal Accounts & Consulting, L.P.
1281 Brittmoore Road, Houston, Texas 77043
(713) 623-4539
Engineer
LJA Engineering, Inc.
2929 Briarpark Drive, Suite 600, Houston, Texas 77042
(713) 953-5200
Financial Advisor
Robert W. Baird & Co. Incorporated
1331 Lamar, Suite 1360, Houston, Texas 77010
(713) 230-6121
Garbage Collector
Best Trash, LLC
19430 FM 1093 Road, Richmond, Texas 77407
(281) 313-2378
Operator
Si Environmental, LLC
6420 Reading Road, Rosenberg, Texas 77471
(832) 490-1572
Tax Assessor / Collector
Tax Tech, Inc.
12841 Capricorn Street, Stafford, Texas 77477
(281) 499-1223
Website
Off Cinco
23501 Cinco Ranch Blvd., Suite H120-177, Katy, Texas 77494
Upcoming Meetings
Tuesday, March 17, 2026 at 1:00 PM
Suite 2400, Angelina Room
The Board meets the third Tuesday of each month at the offices of Allen Boone Humphries Robinson LLP, 3200 Southwest Freeway, 24th Floor, Guadalupe Room. Meetings generally begin at 1:00 p.m. and are open to the public.
The Board welcomes and encourages District residents to attend.