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, May 4, 2026 at 1:00 PM
Suite 2400, Guadalupe Room
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.