Rithum

Rithum occupies Suite 750 at 5525 Granite Pkwy in Plano, where a renovation of approximately 4,521 sq ft of existing office space is underway. The project is registered with TDLR under the facility name Granite Park 6 and is privately funded on private land for private use.

The estimated cost for this alteration is $108,198, which computes to $24 per square foot. This figure is below the county median of $78 per square foot for similar renovation filings in Collin County. The scheduled build window was 64 days, shorter than the county median of 92 days for this type of work.

Project Details and Scope

Granite Park VI LP is the owner and developer of record for this project. The design firm of record is BHA Studio, which has been involved in six other TDLR-registered projects totaling $8,328,169 across the region. The registered accessibility specialist for this filing is Michael Lynn Kelley. The scope involves the renovation of the specified 4,521 sq ft area, registered in March 2026.

Construction was scheduled to begin in March 2026, with a planned completion date of May 2026. TDLR completed plan review in September 2026. Despite the scheduled completion date having passed, TDLR has not yet recorded a final inspection, so the current state of the site is not confirmed in the public record.

The site is located in ZIP code 75024, which has a population of about 45,051 and a median household income of $117,445 according to U.S. Census ACS 2023 five-year estimates. Nearby businesses include IKEA, Blue Mesa Grill, and Campisi's Restaurants | Frisco. Collin County's unemployment rate was 4.6 percent in July 2026, higher than a year earlier.