1 South B Street, San Mateo, CA 94401
Location
200 feet from Caltrain, in downtown San Mateo walkable to restaurants, shops, and everyday amenities, and 16.3-acre Central Park
Building Details
Under construction, Targeting Q1 2028 Occupancy
New four-story mass-timber office development with 10,000 SF floor plates, 45,000 SF total, featuring cross-laminated timber (CLT) construction, integrated into the fabric of downtown San Mateo
Iconic headquarter opportunity
Private outdoor deck space on each floor
Unique ground floor retail with 7,100 SF with a double height patio at the corner of 1st and B
14-15 feet ceilings throughout
Part of Prometheus’ connected downtown San Mateo portfolio (joint venture with Harvest Partners)
Contemporary office space integrated into the fabric of the existing downtown
Leasing Contacts
Major Tenants
To be announced
1st & B is located approximately 200 feet from Caltrain. The four-story, 45,000-square-foot office development features CLT mass-timber construction, approximately 10,000-square-foot floorplates, private outdoor decks on each floor and 14- to 15-foot ceilings. The exposed mass timber, generous ceiling heights and private outdoor decks bring warmth, natural light and a sense of openness to the workplace. Designed to accommodate a company headquarters or a growing business, the building is under construction, with occupancy targeted for the first quarter of 2028.
1st & B
1st & B is located approximately 200 feet from Caltrain. The four-story, 45,000-square-foot office development features CLT mass-timber cons...
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