NEC Thornydale Rd & Sumter Dr
Tucson, AZ 85742
Land For Sale · 18.50 AC

The Thornydale–Sumter property presents a compelling opportunity to acquire a fully entitled, infrastructure-ready multifamily development site in one of Northwest Tucson’s strongest growth corridors. Strategically positioned along Thornydale Road, a key north–south arterial connecting Tucson and Marana, the site benefits from exceptional regional access, established utility service, and direct proximity to several of Tucson’s most reliable employment anchors. With ±18.5 acres (˜17.9 net developable), the offering includes approved entitlements for a thoughtfully planned 270-unit Class A apartment community designed around open-space preservation, sustainability practices, and pedestrian connectivity.
Pima County’s Comprehensive Plan policies strongly support the planned development intensity, and the Specific Plan has received full support from County staff, the Planning and Zoning Commission, and all required reviewing departments. This reduces entitlement risk and positions the site for a streamlined transition into horizontal design and construction. The project’s low-impact layout features ten residential buildings, 36 percent on-site open space, a two-story clubhouse with integrated neighborhood-serving commercial space, and extensive environmental protections including 95 percent preservation of Important Riparian Area and CLS-compliant offsite mitigation.
Northwest Tucson continues to outperform the broader region with high household incomes, limited multifamily supply, and sustained rent growth. Within a five-mile radius, the area has experienced 13 percent population growth since 2015 and maintains vacancy levels near 5 percent, indicating strong demand for new Class A rental housing. National and regional employers including Raytheon, Amazon, Northwest Medical Center, and University of Arizona Tech Park contribute to a robust employment base that supports ongoing absorption.
Backed by established infrastructure, strong demographic fundamentals, and a fully defined entitlement pathway, this site offers investors a rare combination of readiness, scale, and long-term value creation potential in a constrained development submarket.