830 Stewart Dr 61,000 SF 100% Leased Office Building Sunnyvale, CA 94085 For Sale 6.50% Cap Rate

61,000 SF Two-Story Office/R&D in Sunnyvale’s Light-Industrial Core
Why this asset stands out:
Tucked into Sunnyvale’s coveted Stewart Drive corridor, this 61,000 SF, two-story tilt-up building delivers the fundamentals investors want: scale, flexibility, plentiful parking, and an address surrounded by blue-chip and innovation-driven neighbors. With typical floor plates of ~30,500 SF, efficient rectangular geometry, and multi-tenant optionality, the property supports everything from professional services and back-office operations to R&D and light lab use. Recent upgrades complement its 1970 construction vintage, giving tenants modern comfort in a proven shell. On-site surface parking (±242 stalls) provides a rare convenience in the heart of Silicon Valley.
Location that accelerates business
Positioned near the Lawrence/Central Expressway business spine with quick connections to US-101 and SR-237, the site offers excellent regional mobility for employees and customers alike. Caltrain and major bus corridors are nearby, and San Jose Mineta International Airport is a straightforward drive—ideal for executive travel and vendor access. (Area access context based on standard Sunnyvale thoroughfares.)
Surrounded by serious neighbors
The Stewart Drive micro-market is home to manufacturing, optics/photonics, and advanced tech firms, reinforcing the address as a talent and supplier magnet. Notable nearby presences include Coherent (1012–1020 Stewart Dr) and other established technology and manufacturing users across the Stewart/Lawrence submarket—an ecosystem that supports recruiting, collaboration, and just-in-time operations.
Zoning & use versatility
Sunnyvale’s light-industrial/office districts (M-S/M-3 areas) are designed for office support, R&D, product assembly, and warehousing - exactly the blend today’s innovation tenants seek. That flexibility helps sustain occupancy across cycles and underpins long-term portfolio durability.
Income story
The building benefits from diverse, professional-use tenancy - think office, services, and small-format R&D- supporting stable monthly cash flow with potential upside through targeted renewals and market-rate adjustments.

Asset details
• Building size: ±61,000 SF across 2 floors (±30,500 SF per floor)
• Construction: Concrete tilt-up; built 1970 with later renovations
• Parking: ±242 surface spaces—strong ratio for the area
• Site area: ±3.08 acres (per owner)
• Configuration: Multi-tenant capable; efficient circulation and natural light
• Neighborhood uses: Office/R&D/light industrial cluster supporting vendor and talent proximity (City policy references for light-industrial intent).
Nearby businesses & services (sampling)
• Coherent (photonics/lasers) on Stewart Dr
• Additional professional and tech users along Stewart and adjacent blocks (e.g., R&D and services at nearby addresses), reinforcing a daytime population and business-friendly amenity base.
Investment highlights
• Premier Sunnyvale address in a supply-constrained, tenant-dense corridor
• Flexible floor plates for multi-tenant leasing strategies
• Abundant on-site parking—a competitive differentiator in the submarket
• Strong regional access (101/237/Lawrence/Central) for hiring and client reach
• Stable professional tenant mix with rent growth potential on rollover (per prior marketing narratives).
Narrative
Discover a rare, investor-friendly opportunity in the heart of Sunnyvale. 830 Stewart Drive is a 61,000 SF, two-story, multi-tenant office/R&D asset on ±3.08 acres with ±242 surface parking stalls. The building’s efficient ~30,500 SF floor plates and concrete tilt-up construction make space planning simple—whether for professional services, back-office, or R&D/light lab users.
Tenants love the location: minutes to Central & Lawrence Expressways with fast links to 101 and 237, convenient to Caltrain, and a short drive to SJC. The Stewart Drive corridor attracts high-caliber neighbors—from photonics and advanced manufacturing to software and services—supporting recruiting, vendor access, and long-term occupancy.
With a diverse roster of professional tenants and room for value through market-aligned renewals, 830 Stewart Drive is a compelling add to any Silicon Valley portfolio.