444 Castro Street — Lease in Mountain View, CA

  • Price: Contact for price
  • Listing type: For lease
  • Asset type: Office
  • Location: Mountain View, CA 94041

Description

• Well Health & Safety Rated Building • Certified Leed Gold Building • Responsive, local ownership • New Fitness center with showers and lockers • Common area conference room-free of charge for tenants • Free garage parking of 2.52/1000 • Bicycle parking • 10 EV charges in the garage • Onsite property management, engineers and building security 24/7

Market Context

This office in Mountain View, CA is listed for lease. It has been on the market for 54 days. Compare it against other office listings for lease in Mountain View, 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).

Contact

Explore this market

Similar Office for Lease in Mountain View, CA