QTX

The QTX renovation at 1550 On The Green in Houston’s Central Business District is complete. This 14,000-square-foot interior alteration was registered with TDLR in August 2025 and TDLR closed the project file in August 2026, marking the end of the accessibility review process.

Located at 1550 Lamar, Suite 2700, the work was executed by SCD BLK 250 Houston LLC with an estimated cost of $3,500,000. Kirksey Architecture served as the design firm of record, and Jeromy G Murphy was the registered accessibility specialist. The project was privately funded on private land for private use.

Scope and Cost Context

The filing described the scope as an interior renovation to meet client requirements. Construction began in September 2025, with a scheduled completion date of March 2026. The final inspection passed in April 2026. The estimated cost of $250 per square foot is above the Harris County median of $80 per square foot for renovation and alteration filings. The scheduled build window of 196 days is longer than the county median of 92 days.

SCD BLK 250 Houston LLC has four other TDLR-registered projects in Houston, including three other phases at 1550 On The Green and the Block 250 development. These projects total $154,620,565. Kirksey Architecture has six other registered projects in the region, including work at Anadarko Airport and Brookhollow.

Census estimates for ZIP code 77010 indicate a population of about 620 and a median household income of $183,681. Nearby businesses include Discovery Green, Hilton Americas-Houston, and Four Seasons Hotel Houston. City of Houston permit records show two building permits issued at this street address between February 2026 and March 2026.