Yes! There is a hotel block at AT&T Hotel and Conference Center! It is under 'Laughlin-Owens Wedding'.
Link: https://book.passkey.com/go/LAUWED0624
Where do I park?
There is a parking garage attached to the AT&T Conference Center. It is $3-4 an hour.
Guests may self-park or use valet services (additional $) at the University Avenue entrance.
Parking garage height clearance: 7' 2"
1900 University Ave, Austin, TX 78705