Kinder Morgan’s Western Gateway Pipeline Could Bring Major Economic Activity to Southern Arizona8/19/2026  Southern Arizona could be positioned for a significant wave of infrastructure-related economic activity as the Western Gateway Pipeline moves from the planning stages toward construction. On August 11, 2026, Phillips 66, Kinder Morgan and HF Sinclair announced a final investment decision to move forward with the approximately $5 billion Western Gateway Pipeline project, a massive refined-products pipeline system designed to create a new fuel supply route connecting the Midwest and Gulf Coast with Arizona and California. For Tucson and Southern Arizona, the significance goes beyond energy infrastructure. The pipeline is expected to pass through Pima County, potentially bringing construction contractors, equipment, employees and support businesses into the Tucson industrial real estate market during the multi-year development and construction period. And we are already seeing the beginning of it. What Is the Western Gateway Pipeline? The Western Gateway Pipeline is planned as an approximately 1,300-mile refined-products pipeline system capable of transporting gasoline, diesel and jet fuel into western markets. The project includes approximately 900 miles of new pipeline construction between Borger, Texas and Phoenix, Arizona. The system will connect with existing Kinder Morgan infrastructure and ultimately provide additional fuel supply to Arizona and California. The new system is designed for approximately 230,000 barrels per day of capacity, according to the companies' August 2026 announcement. Rather than constructing an entirely new network across the West, portions of the project will utilize or reverse existing pipeline infrastructure. Kinder Morgan's existing SFPP pipeline between Phoenix and Colton, California will ultimately become part of the system. Construction and implementation are currently targeted for completion in 2029. Earlier proposed routes showed the new pipeline traveling through Pima County and the Tucson area on its way west from Texas toward Phoenix. The project developers have also indicated that, beginning around El Paso, portions of the pipeline are intended to be co-located with existing pipeline rights-of-way to minimize the project's physical footprint. That potentially puts Southern Arizona directly in the path of one of the largest energy infrastructure projects undertaken in the Southwest in recent years. For Tucson, that matters. Large pipeline projects require considerably more than pipe and heavy equipment. They require staging areas, contractor yards, equipment storage, temporary offices, warehousing, trucking, fuel, maintenance operations, fabrication, lodging and a broad network of subcontractors and service providers. Construction Jobs and Contractor Activity in Southern Arizona. An official Southern Arizona-specific construction employment estimate does not appear to have been publicly released yet. However, the scale of the Western Gateway project is substantial: approximately $5 billion of total project value and roughly 900 miles of new-build pipeline, stretching from the Texas Panhandle through New Mexico and Arizona. Projects of this magnitude require workers across numerous trades, including:
In the Tucson industrial real estate market, I am already seeing contractors beginning to poke around for space, particularly properties capable of accommodating equipment, vehicles and outdoor storage. That activity is still early, but it is something worth watching closely as the Western Gateway Pipeline moves into execution. One of the most interesting potential impacts could be increased demand for industrial outdoor storage (IOS) properties in Tucson and Pima County. Pipeline and infrastructure contractors frequently need properties that traditional warehouses cannot accommodate. Typical requirements may include a combination of: Warehouse + fenced yard + heavy equipment storage + highway access. Those requirements overlap almost perfectly with one of the tightest segments of Tucson's industrial market. Industrial properties with one acre or more of usable yard, secure fencing, industrial zoning and convenient access to Interstate 10 could become particularly attractive to contractors associated with the Western Gateway project. Users may also need short- and medium-term leases rather than traditional long-term industrial leases, creating opportunities for owners of specialized contractor yards and industrial outdoor storage properties. Economic Impact Beyond Construction Jobs. The economic impact of the Western Gateway Pipeline on Southern Arizona could extend considerably beyond direct construction employment. Contractors working in the region will purchase fuel, equipment, materials, food, lodging and services locally. Heavy-equipment rental companies, trucking companies, repair shops, industrial suppliers and construction-related businesses could all see additional activity. The Tucson industrial market could benefit through demand for: warehouse space, contractor yards, equipment storage, truck parking, temporary offices and industrial outdoor storage. There is also a broader economic argument for Arizona. The Western Gateway project is designed to diversify Arizona's fuel supply by connecting the state more directly with refining capacity in the Midwest and Gulf Coast. Project developers say the system could supply roughly 200,000 barrels per day of Midcontinent refined products directly into Arizona, helping reduce Arizona's dependence on fuel arriving from California. Arizona's rapid population and economic growth has increased fuel demand while the state's existing pipeline infrastructure has relatively limited excess capacity. Additional supply diversity could help reduce the economic impact of refinery disruptions, pipeline outages and other fuel-supply constraints. For a growing state heavily dependent on trucking, construction, tourism and logistics, improved fuel reliability has implications far beyond prices at the pump. The fact that contractors are already beginning to investigate Tucson locations suggests that some of that activity may be starting earlier than many property owners realize.  Available Tucson Industrial Outdoor Storage & Contractor Yard Properties As activity surrounding the Western Gateway Pipeline begins to increase, contractors coming into the Tucson market will need places to stage equipment, store trucks and materials, operate field offices and warehouse supplies. That happens to coincide with several new industrial outdoor storage (IOS) and contractor yard properties I recently brought to market in Tucson. These properties offer the combination of fenced yard space, warehouse/shop space and industrial access that pipeline, utility, infrastructure and heavy construction contractors typically look for. 2925 E Ganley Road – 4.19-Acre Industrial Outdoor Storage Site located near Tucson International Airport, I-10 and I-19, 2925 E Ganley Road is one of the larger IOS opportunities currently available in the Tucson market. The 4.19-acre site is approved for industrial outdoor storage and includes 8,600 SF of improvements, consisting of approximately 5,300 SF of warehouse and 3,300 SF of office, plus a 2,000 SF canopy. The property also features 14-foot roll-up doors, heavy power and both air-conditioned and evaporative-cooled warehouse areas. The property is zoned I-1 City of Tucson Light Industrial. With more than four acres, this property could be particularly well suited for a large construction contractor, pipeline contractor, equipment company or infrastructure-related user requiring significant outdoor storage and equipment staging space. Asking Lease Rate: $14,000 NNN per month. 3200 W Diamond Street – I-10 Contractor Yard for companies that prioritize freeway access, 3200 W Diamond Street offers a rare contractor yard opportunity immediately accessible to I-10 in Northwest Tucson. The approximately 0.98-acre property features a large concrete-paved yard and two 2,960 SF shop buildings totaling approximately 5,920 SF. The property has City of Tucson I-1 zoning, permits outdoor storage, includes grade-level roll-up doors and provides quick truck access to I-10. It is also located adjacent to United Rentals and Big Tex Trailers. The combination of a paved yard, shop space and immediate interstate access makes this a strong option for construction companies, fleet operators, equipment businesses and contractors needing a Tucson staging location. Asking Lease Rate: $12,000 NNN per month. 2660 W Zinnia Avenue – Warehouse, Heavy Power & Fenced Yard another recently listed opportunity is 2660 W Zinnia Avenue in Northwest Tucson. The property consists of a 5,500 SF industrial building situated on a 1.14-acre fenced site. The building includes three large 16' x 20' grade-level doors, a dock-high door, 15'–20' clear height, heavy three-phase power and a three-ton bridge crane. The combination of warehouse space, fenced outdoor storage, heavy power and crane capacity makes Zinnia particularly interesting for contractors or industrial users that need more than just a storage yard. Asking Lease Rate: $9,500 NNN per month. I specialize in Tucson industrial real estate and industrial outdoor storage properties and represent additional properties throughout the Tucson and Southern Arizona market. If your company is coming to Tucson for the Western Gateway Pipeline or another construction, utility or infrastructure project, I can help identify warehouse space, fenced yards, equipment storage and temporary or long-term operating locations throughout the market. Max Fisher | Industrial Properties 520-465-9989 [email protected] IndustrialTucson.com
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