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TSMC Arizona Aerial East View March 2024

TSMC Plans 3 More Chip Fabs,
2 Advanced Packing Facilities and a
Research & Development Center

Posted on November 1, 2025November 10, 2025 by Karen Goveia

Taiwan Semiconductor Manufacturing Corporation is looking to further its investment in U.S. advanced semiconductor manufacturing facilities in the Phoenix Valley by another $100 billion and has teamed up with Pulte Homes in hopes of acquiring land south of its current plants, in Pulte’s proposed Innovation Corridor industrial park, which encompasses 900 acres of a total of 6,355 acres of state trust land known as NorthPark. 

As construction progresses on its second and third wafer fabs on the west side of I-17, north of Loop-303, a spokesperson for TSMC told Valley Vibe the chip giant is looking to secure more land to build the following:

3 Additional Chip Fabs (for a total of six fabs)

2 Advanced Packaging Facilities

1 Research and Development Center


TSMC’s proposed site plans from February 2021

An auction date has been set for Jan. 7 with the State Land Department with a minimum opening bid of $197.25 million. If all goes to plan, TSMC’s investment would total $165 billion.

“This investment will bring billions of dollars in economic benefit to the state of Arizona and bolster American semiconductor technology leadership,” the spokesperson told Valley Vibe in an email. 

TSMC’s spokesperson could not comment as to specific plan designs for this parcel if the chip giant were to be the successful bidder of the Innovation Corridor acreage, or if it would accommodate all of TSMC’s expansion plans, but she did say TSMC is out of space to expand on its current site. 

“When evaluating locations to support our expansion, we considered the proximity to our current campus, the availability of a contiguous plot of land, and access to a utilities infrastructure. NorthPark’s planning includes an “Innovation Corridor”—an approximate 900-acre plot directly across the 303 from TSMC Arizona’s existing facility. The land within the Innovation Corridor presents a strong option for our expansion, she told Valley Vibe.”  

State Land Auction : 11 a.m., Wednesday, Jan. 7

Arizona Department of Administration

100 N. 15th Avenue, Phoenix

https://land.az.gov, 602-542-3127


TSMC

By Karen Goveia
editor@valleyvibenews.com

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