425, 429 & 431 Littlefield Ave

About the space

Three contiguous R&D / manufacturing suites available individually or in contiguous combinations: Suite 425 is approximately 6,000 SF with 1,000 SF office and an existing cleanroom; Suite 429 is approximately 6,000 SF with 1,500 SF office; Suite 431 is approximately 4,000 SF. Combining 429 and 431 totals approximately 10,000 SF; all three total approximately 16,000 SF. One grade-level door per suite, nine designated parking stalls plus common parking. 1,200 amps advertised for the offering; voltage, phase and allocated suite capacity require confirmation. Suite 431 has an 80kW / 100kVA standby diesel generator that can be removed upon delivery; this is separate from utility service. Suites 425 and 429 each advertise a 12.5-ton conditioning unit. Kitchen / break room pictured; confirm access for the selected suites. Showers, clear height and current cleanroom specifications are unconfirmed. Available immediately for sublease, subject to landlord consent; master lease expires October 31, 2028. Rent upon request. Photos show property interiors without verified suite attribution; equipment shown is not confirmed included.

• 10,000 SF combination
• Grade-level loading
• 1,200A advertised
• R&D / manufacturing
• Contiguous suites
• Sublease

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Available space

Rates and availability may change. Confirm the lease structure, operating expenses, and move-in costs with the listing broker.

Location

425, 429 & 431 Littlefield Ave · South San Francisco, CA