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Event Hours

5:30pm - 10:30pm

Gates close each night at 10:00pm

Presented By

San Antonio Conservation Society


The San Antonio Conservation Society relies on thousands of volunteers to stage A Night In Old San Antonio.

Click Here-Volunteers - complete your Hold Harmless & Indemnity Form! 

Job descriptions


8:30 AM thru 4:30 PM, Monday thru Friday from March thru May.

Answer telephones, proofread, type, run errands, take messages and other clerical tasks. Coupon Verification Committee needs volunteers the week of NIOSA Wednesday morning thru Saturday morning to count and weigh coupons.

Decorations/Cascarones Committee

Thursdays 9:00 AM till Noon from September thru April.

Make paper flowers and cascarones.


Setup and teardown of booths, stages, areas, etc. used for NIOSA. Staging begins one week before NIOSA and teardown begins the Saturday after NIOSA.

NIOSA Daytime

Assist area chairmen in decorating, delivery of foods, paper, etc to areas and prepare booths to open for the evening event.

NIOSA Event- Booth Workers

Shifts are generally from 4:30 PM until 8:00 PM and from 7:30 PM until 11:00 PM.

Volunteer to work in booths to prepare and serve foods and beverages, assist with cleanup, etc. Booth workers are required to wear costumes as directed by booth/area chairmen.

NIOSA Event- Coupon Collectors

Coupon Collection Volunteers are needed to work from 9:00 PM until approximately 11:30 PM.

Associate member

If you would like to become an Associate member of the Conservation Society, click here to join on-line.

How To Apply

Requests for work assignments will be handled by the Volunteer Coordinator and may be submitted by mail or on-line. Please do not call the NIOSA office. Requests by members of the San Antonio Conservation Society will take priority over non-members.

To volunteer, please fill out the following form.

* Required