Seize a premier opportunity to establish your business presence in the prestigious Ontario Airport submarket with this exceptional ±80,828 SF, 4-story Class-A office building. Strategically located with direct access to I-10 via Haven Ave and just minutes from the I-15 and I-60 freeways, this property offers unmatched regional connectivity—ideal for companies with clients and employees who value ease of access. Designed to support a sophisticated corporate image, 800 N Haven Ave combines high visibility and first-class amenities: • Ample parking with an impressive 5/1,000 ratio, including covered and reserved spaces, ensuring convenience for tenants and guests alike • Prominent building signage opportunities available for qualified tenants, enhancing brand presence • Secure access with a modern card key entry system, providing peace of mind and controlled safety • Full-service gross leases with professional, on-site management and meticulous maintenance, offering hassle-free occupancy Inside, tenants enjoy thoughtfully designed spaces featuring luxuriously furnished suites with elegant reception areas, glass-walled conference rooms with breathtaking San Gabriel Mountain views, and versatile layouts combining private offices with open collaborative zones—perfectly suited for professional firms in law, technology, finance, and more. Whether you require turnkey office environments with premium furnishings or flexible build-to-suit options, 800 N Haven Ave delivers an elevated workspace that balances productivity, style, and convenience. Located mere minutes from Ontario International Airport, premier hotels, restaurants, and shopping destinations, this Class-A office building offers an ideal base for forward-thinking businesses aiming to impress clients and attract top talent.