5211 California Avenue — Lease in Irvine, CA

  • Price: Contact for price
  • Listing type: For lease
  • Asset type: Office
  • Location: Irvine, CA 92617
  • Size: 31,720 SF

Description

Sublease Opportunity at UCI Research Park. Full 2nd Floor. +/-15,000 to 31,720 RSF Available. Flexible Lease Term. Offered at -Withheld-. Credit Sublessor. Space Features Include: 36 Perimeter Offices, 23 Interior Offices, 6 Conference Rooms, 3,094 RSF Electrical Lab, 61 Workstations, 3 Copy Areas & Kitchen.

Market Context

This office in Irvine, CA is listed for lease across 31,720 SF. It has been on the market for 53 days. Compare it against other office listings for lease in Irvine, CA — view the full market.

As of Q1 2026, the Orange County office market showed a 19.3% vacancy rate, and cap rates around 7.4%. Source: multiple brokerage reports, Q1 2026.

Above-average vacancy gives tenants leverage and a wide set of comparables.

Office market FAQ

What is the typical cap rate for office in Orange County?
About 7.4% as of Q1 2026, per multiple brokerage reports.
Is the Orange County office market tightening or softening?
Vacancy is around 19.3% (Q1 2026).

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