LJA ENGINEERING in San Antonio, TX

LJA Engineering renovated 5,472 square feet of office space at 9830 Colonnade Blvd Suite 300 in San Antonio. The project, registered with TDLR in April 2025, involved a renovation and alteration of business occupancy space. The scope included building out new offices, open workstation areas, and a training room. The estimated cost for this work was $500,000. TDLR closed the project file in April 2025, marking the end of the accessibility review process for this construction.

The facility is part of the Colonnade Centre in Bexar County. Sageview Partners is the owner of record for this development. Hellmuth, Obata & Kassabaum, INC. served as the design firm. Tom Ellis was the registered accessibility specialist for the project. The construction start date listed in the filing was May 2025, with a scheduled completion date of September 2025.

Project Context and Comparisons

This renovation fits within the broader trend of office space updates in the area. Among 12,302 TDLR-registered renovation filings in Bexar County, the median estimated cost is $250,000. This project’s cost of $500,000 is above that county median. The median size for similar projects is 4,100 square feet, while this project is 5,472 square feet. The cost per square foot for this renovation is $91, which is close to the county median of $85 per square foot. The scheduled build window of 123 days is close to the county median of 103 days.

Hellmuth, Obata & Kassabaum, INC. has other TDLR-registered projects in Texas. These include Hillwood Commons II in Fort Worth, Silverlake Crossings in Grapevine, and Chase Tower in Houston. The total value of these five other projects is $7,410,000. The area profile for ZIP code 78230 shows a population of about 42,070 and a median household income of $71,564. Median owner-occupied home value in this area is $355,400. Bexar County unemployment rate was 4.6 percent in August 2026.

Local Records and Mentions

City of San Antonio permit records show five permits on file at this street address. These were issued between March 2025 and February 2026. Types include plumbing, electrical, and mechanical permits. A permit for Unit 300 at 9830 Colonnade is listed under the name LJA. Third-party sources describe LJA Engineering as a multidisciplinary firm providing civil, structural, and transportation engineering services. The Laredo EDC Business Directory lists the San Antonio address as 9830 Colonnade Blvd. Yelp lists a different San Antonio address at 1100 NE Lp 410. The TDLR record specifically covers the renovation at the Colonnade Centre address.