Sienna Municipal Utility District No. 5
District Consultants
Attorney
Allen Boone Humphries Robinson LLP
3200 Southwest Freeway, Suite 2600, Houston, Texas 77027
(713) 860-6400
Auditor
McGrath & Co., PLLC
2900 North Loop West, Suite 880, Houston, Texas 77092
(713) 493-2604
Bookkeeper / Investment Officer
Municipal Accounts & Consulting, L.P.
611 Longmire Rd, Suite 1, Conroe, Texas 77304
(936) 647-4042
Engineer
Pape-Dawson Engineers, Inc.
2107 CityWest Boulevard, 3rd Floor, Houston, Texas 77042
(713) 428-2400
Financial Advisor
Robert W. Baird & Co. Incorporated
4801 Woodway Drive, Suite 118-E, Houston, Texas 77056
(713) 230-6131
Insurance Agent
McDonald & Wessendorff Insurance
611-B Morton Street, Richmond, Texas 77469-3083
(281) 633–3200
Landscape Architect
TBG Partners
1333 W. Loop South, Suite 1450, Houston, Texas 77027
(713) 439-0027
Operator
Si Environmental, LLC
6420 Reading Road, Rosenberg, Texas 77471
(832) 490-1600
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
Monday, January 5, 2026 at 1:00 PM
The Board meets the first Monday of each month at the offices of Allen Boone Humphries Robinson LLP, 3200 Southwest Freeway, 24th Floor, Guadalupe Room. Meetings generally begin at 12:30 p.m. and are open to the public.
The Board welcomes and encourages District residents to attend.