McKinney's industrial scene along State Highway 121 is getting a sizable upgrade, with EastGroup Properties pushing ahead on a two-building expansion that will add roughly 160,000 square feet of Class A space to its McKinney 121 campus.
The developer plans to deliver the two shell buildings by late 2026, then follow up with speculative office buildouts inside once those shells are in place.
Project details
One building shell is slated for about 84,443 square feet and the other for about 76,097 square feet, for a combined total of roughly 160,540 square feet, according to the project's brochure on SpatialSearch. The brochure identifies the work as Phase III of McKinney 121 and pegs both buildings for a fourth-quarter 2026 delivery.
What brokers say
Brett Lewis, principal and commercial real estate broker with Lee & Associates, told Community Impact, "These are very nice buildings," noting that tenants in the park often handle light manufacturing or assembly-type operations.
Marketing materials tied to the project show that earlier buildings along Hardin Boulevard are fully leased, which puts Phase III into an already active pocket of industrial space rather than a speculative outpost on the edge of town.
Where this fits on 121 North
The expansion is one of several projects promoted under the joint Allen-McKinney "121 North" branding effort, which treats the State Highway 121 corridor as a single, coordinated economic zone. As outlined on the 121 North site, the initiative bundles projects and incentives across both cities in an attempt to make the stretch more attractive to employers and site selectors sizing up North Texas.
Local market context
The northern Dallas-Fort Worth corridor has become a magnet for industrial developers, and EastGroup lists McKinney 121 among its Dallas-market properties on the EastGroup Properties site. Coverage of the company’s nearby State Highway 121 projects, including a larger Frisco campus, suggests EastGroup is betting on continued demand for modern industrial and showroom-style space in the submarket, as reported by Bisnow.
City infrastructure and timing
City records show EastGroup previously built sections of Collin McKinney Parkway and Hardin Boulevard as part of earlier phases of the campus, with the City of McKinney agreeing to reimburse the developer for amounts that exceeded the maximum assessable impact fee.
According to a McKinney city resolution, EastGroup spent about $1.17 million on required roadway improvements and was due roughly $334,913 in reimbursement after payments and credits were applied. Those figures are detailed in the records posted by the City of McKinney.
Leasing and next steps
Lee & Associates is handling leasing for the Phase III shells, and marketing materials list broker Brett Lewis as the contact for prospects. The site plan shows that space can be divided down to the roughly 18,500 to 20,800 square foot range, giving room for both mid-sized users and larger tenants that want to take multiple bays.
For prospective tenants and brokers looking for specifics on floor plates, loading, and buildout options, the Lee & Associates site includes additional details on the McKinney 121 Phase III offerings.
