Kiln Preston Hollow in Dallas, TX

The Hill is a 24,859-square-foot renovation of an existing office tenant space located at 9850 N. Central Expy, Suite #230, in Dallas. The project, filed with TDLR under the name Kiln Preston Hollow, is owned by AP the Hill Owner, LLC and designed by Mint Architecture. The estimated cost for this alteration is $2,500,000, which works out to $101 per square foot.

Project Scope and Cost

This renovation is privately funded and situated on private land for private use. The scope is strictly limited to the remodel of the existing office tenant space. With an estimated cost of $2,500,000, the project sits above the median estimated cost for similar renovation and alteration filings in Dallas County. The per-square-foot cost of $101 is also higher than the county median of $72 for comparable work.

Mint Architecture is the design firm of record for this project. The firm has one other TDLR-registered project in the region, The Shops at Legacy Town Center Building C in Plano, which also carries an estimated cost of $2,500,000. The registered accessibility specialist for The Hill is Blair Baker.

Status and Timeline

TDLR completed plan review in August 2025. Construction was scheduled to begin in November 2025, with a planned completion date of June 2026. Despite the scheduled completion date having passed, TDLR has not yet recorded a final inspection. Therefore, the current state of the site is not confirmed in the public record.

The project is located in the 75231 ZIP code area, which the U.S. Census Bureau estimates has a population of about 37,695. The median household income in this area is $54,884, and the median owner-occupied home value is $466,200. Housing in this ZIP code is predominantly renter-occupied. The Dallas County unemployment rate was 3.4 percent in June 2026, higher than a year earlier.

Nearby businesses include Total Wine & More, Best Buy, and several medical practices such as Paul C. Peters, Jr., M.D. and Daniel A. Worrel, M.D. The Hill is part of a mixed-use development described by third-party sources as a destination with places to eat, drink, and play. A post by The Hill Marketplace on Instagram described it as a hidden gem in North Dallas. The Hill is anchored by a mixed-use shopping center within retrofitted existing buildings, according to a neighborhood guide by Dallasites 101.