B Street South — Lease in San Mateo, CA

  • Price: Contact for price
  • Listing type: For lease
  • Asset type: Office
  • Location: San Mateo, CA 94401

Description

-Targeting Q3 2028 Occupancy -Rare, large downtown floorplates of 33,000 – 43,000 SF -3 blocks to the Caltrain bullet stop -B Street South has committed to utilize CLT (mass timber) construction and represents one of the most sustainable HQ opportunities on the Peninsula. -Expansive wraparound terraces and roof deck overlooking downtown with views of the Bay and Hills -14 ft slab-to-slab height on all floors -Ground-level Class A retail and cafe -Dedicated and secure underground parking -Secure bike storage and showers -Landmark location with spacious public plaza onsite -Steps away from Central Park, a 16.3 acre gathering place for signature community and cultural events

Market Context

This office in San Mateo, CA is listed for lease. It has been on the market for 53 days. Compare it against other office listings for lease in San Mateo, CA — view the full market.

As of Q1 2026, the San Francisco Peninsula office market showed a 16.5% vacancy rate. Source: Colliers Q1 2026 market report.

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

Office market FAQ

Is the San Francisco Peninsula office market tightening or softening?
Vacancy is around 16.5% (Q1 2026).

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