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B Street South 200 E 4th Ave 38,612 - 139,699 SF of Office Space Available in San Mateo, CA 94401
HIGHLIGHTS
- Mass Timber CLT construction; sustainable HQ opportunity.
ALL AVAILABLE SPACES(3)
Display Rental Rate as
- SPACE
- SIZE
- TERM
- RENTAL RATE
- SPACE USE
- CONDITION
- AVAILABLE
Large Open Floor Plate , ±14 ft slab-to-slab height.
- Mostly Open Floor Plan Layout
- Can be combined with additional space(s) for up to 139,699 SF of adjacent space
- Rare, large downtown floorplates.
- Space is in Excellent Condition
- Natural Light
Large Open Floor Plate with Two Terraces Including a +/-4,200 SF Wraparound Terrace Overlooking 4th Ave and B Street ±14 ft slab-to-slab height
- Mostly Open Floor Plan Layout
- Natural Light
- Can be combined with additional space(s) for up to 139,699 SF of adjacent space
- Rare, large downtown floorplates.
Large Open Floor Plate with Outdoor Terrace Overlooking the Public Plaza ±14 ft slab-to-slab height
- Mostly Open Floor Plan Layout
- Natural Light
- Can be combined with additional space(s) for up to 139,699 SF of adjacent space
- Rare, large downtown floorplates.
| Space | Size | Term | Rental Rate | Space Use | Condition | Available |
| 2nd Floor | 50,710 SF | Negotiable | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | Office | Shell Space | September 01, 2026 |
| 3rd Floor | 50,377 SF | Negotiable | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | Office | Shell Space | September 01, 2026 |
| 4th Floor | 38,612 SF | Negotiable | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | Office | Shell Space | September 01, 2026 |
2nd Floor
| Size |
| 50,710 SF |
| Term |
| Negotiable |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office |
| Condition |
| Shell Space |
| Available |
| September 01, 2026 |
3rd Floor
| Size |
| 50,377 SF |
| Term |
| Negotiable |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office |
| Condition |
| Shell Space |
| Available |
| September 01, 2026 |
4th Floor
| Size |
| 38,612 SF |
| Term |
| Negotiable |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office |
| Condition |
| Shell Space |
| Available |
| September 01, 2026 |
2nd Floor
| Size | 50,710 SF |
| Term | Negotiable |
| Rental Rate | Upon Request |
| Space Use | Office |
| Condition | Shell Space |
| Available | September 01, 2026 |
Large Open Floor Plate , ±14 ft slab-to-slab height.
- Mostly Open Floor Plan Layout
- Space is in Excellent Condition
- Can be combined with additional space(s) for up to 139,699 SF of adjacent space
- Natural Light
- Rare, large downtown floorplates.
3rd Floor
| Size | 50,377 SF |
| Term | Negotiable |
| Rental Rate | Upon Request |
| Space Use | Office |
| Condition | Shell Space |
| Available | September 01, 2026 |
Large Open Floor Plate with Two Terraces Including a +/-4,200 SF Wraparound Terrace Overlooking 4th Ave and B Street ±14 ft slab-to-slab height
- Mostly Open Floor Plan Layout
- Can be combined with additional space(s) for up to 139,699 SF of adjacent space
- Natural Light
- Rare, large downtown floorplates.
4th Floor
| Size | 38,612 SF |
| Term | Negotiable |
| Rental Rate | Upon Request |
| Space Use | Office |
| Condition | Shell Space |
| Available | September 01, 2026 |
Large Open Floor Plate with Outdoor Terrace Overlooking the Public Plaza ±14 ft slab-to-slab height
- Mostly Open Floor Plan Layout
- Can be combined with additional space(s) for up to 139,699 SF of adjacent space
- Natural Light
- Rare, large downtown floorplates.
PROPERTY OVERVIEW
Class A+ Office Buildingin the Heart of Downtown San Mateo. B Street South will utilize CLT (mass timber) construction and represents one of the most sustainable HQ opportunities on the Peninsula. Q4-22: Entitlements Q1-24: Start of Construction Q3-25: Shell Complete Q4-25: Expected Occupancy
- Bus Line
- Commuter Rail
- Conferencing Facility
- Convenience Store
- Food Service
- Security System
- Signage
- Roof Terrace
- Car Charging Station
- Bicycle Storage
- Central Heating
- Shower Facilities
- Outdoor Seating
- Air Conditioning
- Balcony
PROPERTY FACTS
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B Street South | 200 E 4th Ave
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