Good question. In my area:
http://www.northhempsteadny.gov/cont...4435/5474.aspx
Fourth on the list.

In yours:
The City of Houston will accept fluorescent light bulbs and tubes from
residents at the North and South Environmental Service Centers and the
Westpark Consumer Recycling Center.

For more information and directions found via the links below...
ESC North
5614 Neches, Building C
ZIP Code 77026

ESC South
11500 South Post Oak
ZIP Code 77035

Westpark CRC
5900 Westpark
ZIP Code 77057

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