Sienna Management District
District Consultants
Attorney
Allen Boone Humphries Robinson LLP
3200 Southwest Freeway, Suite 2600, Houston, Texas 77027
(713) 860-6470
Bookkeeper
Municipal Accounts & Consulting, L.P.
1281 Brittmoore Road, Houston, Texas 77043
(713) 366-3034
Engineer
LJA Engineering, Inc.
1904 W. Grand Parkway North, Suite 100, Katy, Texas 77449
(713) 953-5113
Financial Advisor
Baird
700 Milam Street, Suite 1300, Houston, Texas 77002
(832) 871-5295
Landscape Architect
TBG Partners
3050 Post Oak Blvd., Suite 1100, Texas 77401
(713) 439-0027
Operator
Si Environmental, LLC
6420 Reading Road, Rosenberg, Texas 77471
(832) 490-1570
Tax Assessor / Collector
Tax Tech, Inc.
873 Dulles Avenue, Suite A, Stafford, Texas 77477
(281) 499-1223
Website / Communications
Off Cinco
23501 Cinco Ranch Blvd., Suite H120-177, Katy, Texas 77494
Upcoming Meetings
Tuesday, February 17, 2026 at 1:00 PM
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.