Texas Department of Licensing and Regulation

Architectural Barriers Project Details Page

Project #: TABS2026018526 Registration Date: 4/24/2026

https://www.tdlr.texas.gov/TABS/Projects/TABS2026018526

PROJECT

Project Name:
Vistra Corporate Restack Sierra Building
Project Number:
TABS2026018526
Facility Name:
Vistra Sierra Building
Location Address:
6555 Sierra Dr
Irving, TX 75039
Location County:
Dallas
Start Date:
5/29/2026
Completion Date:
8/28/2026
Estimated Cost:
$323,435
Type of Work:
Renovation/Alteration
Type of Funds:
This project is privately funded, on private land for private use.
Scope of Work:
Adding an office, two storage rooms, 3 phone rooms, and a collab space.
Square Footage:
5,826 ft 2
Are the private funds provided by the tenant?
Yes
Current Status:
Project Registered

PERSON FILING FORM

Contact Name:
Nada Sarraf-knowles

RAS

RAS Name:
FRED DWAIN,CAWYER
RAS #:
86
RAS Address:
2501 HARBORVIEW BLVD
ROWLETT, TX 75088
RAS Phone:
(214) 505-3728

OWNER

Owner Name:
Sierra Drive I LLC
Owner Address:
6555 Sierra Dr
Irving, Texas 75063
Owner Phone:
(949) 204-5386
Contact Name:
Asheesh Patel

TENANT

Tenant Name:
Steve Gudbjartsson
Tenant Phone:
(214) 549-4714

DESIGN FIRM

Not Assigned

Registered accessibility specialists (RAS) set and collect the fees for their services. Contact the RAS directly if you have questions about their performing plan review or inspection services.

In accordance with 16 TEX. ADMIN. CODE ยง68.52, the owner of a building or facility must obtain an inspection from a RAS no later than the first anniversary of the completion of construction. A request for inspection must be made by submitting a written request for inspection to the RAS no later than 30 calendar days after the completion of construction.