100 Altair Way — Lease in Sunnyvale, CA

  • Price: Contact for price
  • Listing type: For lease
  • Asset type: Office
  • Location: Sunnyvale, CA
  • Size: 180,417 SF
  • Year built: 2023

Description

100 Altair Way - Available for lease

Market Context

This office in Sunnyvale, CA is listed for lease across 180,417 SF. The building dates to 2023. It has been on the market for 209 days. Compare it against other office listings for lease in Sunnyvale, CA — view the full market.

As of Q1 2026, the Silicon Valley office market showed a 2.9% vacancy rate, average asking rents near $20.16/SF/yr, rents up 4.3% year over year, and cap rates around 6.2%. Source: multiple brokerage reports, Q1 2026.

Rising rents point to a competitive market where well-priced, well-located space leases quickly.

Office market FAQ

What is the typical cap rate for office in Silicon Valley?
About 6.2% as of Q1 2026, per multiple brokerage reports.
Is the Silicon Valley office market tightening or softening?
Vacancy is around 2.9%, with asking rents rising year over year (Q1 2026).

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