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The Pioneer Building 3180 18th St 2,806 - 39,106 SF of Office Space Available in San Francisco, CA 94110



All Available Spaces(4)
Display Rental Rate as
- Space
- Size
- Term
- Rental Rate
- Space Use
- Condition
- Available
This full-floor office space offers 2,806 RSF with a mostly open layout, accommodating between 8 to 23 people. The space features a full build-out in average condition and is built out as a standard office. While there are no private offices or conference rooms specified, the open plan layout supports a flexible work environment ideal for collaborative teams. Available as of October 2, 2025, with lease terms negotiable. Service type is to be determined.
- Fully Built-Out as Standard Office
- Fits 8 - 23 People
- Mostly Open Floor Plan Layout
- Can be combined with additional space(s) for up to 39,106 SF of adjacent space
The first floor features 6 meeting rooms or offices, a kitchenette/break room, and a welcoming reception area. Its layout offers a good mix of open workspace and private rooms, ideal for front-of-house teams or client interaction.
- Fully Built-Out as Standard Office
- Fits 30 - 96 People
- 6 Conference Rooms
- Reception Area
- Kitchenette/Break Room
- Accessible from both Folsom Street and 18th Street
- Mostly Open Floor Plan Layout
- 6 Private Offices
- Can be combined with additional space(s) for up to 39,106 SF of adjacent space
- 6 Meeting Rooms/Offices
- Flexible open-plan workspace
The second floor includes 12 meeting rooms or offices, 2 phone rooms, and a kitchenette/break room. With ample room for workstations and collaboration, this level is designed for larger teams needing both open areas and private spaces.
- Fully Built-Out as Standard Office
- Fits 32 - 100 People
- 12 Conference Rooms
- 12 Meeting Rooms/Offices
- Large open work areas, suitable for collaboration
- Mostly Open Floor Plan Layout
- 12 Private Offices
- Can be combined with additional space(s) for up to 39,106 SF of adjacent space
- Kitchenette/Break Room
- Central stair access enhance internal connectivity
The third floor offers 3 meeting rooms or offices, 9 phone rooms, and a kitchen/break area. It’s more private and quieter, making it ideal for executive offices, focused work, or teams that require fewer but more specialized spaces.
- Fully Built-Out as Standard Office
- Fits 30 - 96 People
- 3 Conference Rooms
- 3 Meeting Rooms/Offices
- High ceilings with exposed beams
- Mostly Open Floor Plan Layout
- 3 Private Offices
- Can be combined with additional space(s) for up to 39,106 SF of adjacent space
- More private layout
| Space | Size | Term | Rental Rate | Space Use | Condition | Available |
| Lower Level | 2,806 SF | Negotiable | Upon Request Upon Request Upon Request Upon Request | Office | Full Build-Out | September 01, 2026 |
| 1st Floor | 11,888 SF | Negotiable | Upon Request Upon Request Upon Request Upon Request | Office | Full Build-Out | September 01, 2026 |
| 2nd Floor | 12,418 SF | Negotiable | Upon Request Upon Request Upon Request Upon Request | Office | Full Build-Out | September 01, 2026 |
| 3rd Floor | 11,994 SF | Negotiable | Upon Request Upon Request Upon Request Upon Request | Office | Full Build-Out | September 01, 2026 |
Lower Level
| Size |
| 2,806 SF |
| Term |
| Negotiable |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| September 01, 2026 |
1st Floor
| Size |
| 11,888 SF |
| Term |
| Negotiable |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| September 01, 2026 |
2nd Floor
| Size |
| 12,418 SF |
| Term |
| Negotiable |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| September 01, 2026 |
3rd Floor
| Size |
| 11,994 SF |
| Term |
| Negotiable |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| September 01, 2026 |
Lower Level
| Size | 2,806 SF |
| Term | Negotiable |
| Rental Rate | Upon Request |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | September 01, 2026 |
This full-floor office space offers 2,806 RSF with a mostly open layout, accommodating between 8 to 23 people. The space features a full build-out in average condition and is built out as a standard office. While there are no private offices or conference rooms specified, the open plan layout supports a flexible work environment ideal for collaborative teams. Available as of October 2, 2025, with lease terms negotiable. Service type is to be determined.
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 8 - 23 People
- Can be combined with additional space(s) for up to 39,106 SF of adjacent space
1st Floor
| Size | 11,888 SF |
| Term | Negotiable |
| Rental Rate | Upon Request |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | September 01, 2026 |
The first floor features 6 meeting rooms or offices, a kitchenette/break room, and a welcoming reception area. Its layout offers a good mix of open workspace and private rooms, ideal for front-of-house teams or client interaction.
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 30 - 96 People
- 6 Private Offices
- 6 Conference Rooms
- Can be combined with additional space(s) for up to 39,106 SF of adjacent space
- Reception Area
- 6 Meeting Rooms/Offices
- Kitchenette/Break Room
- Flexible open-plan workspace
- Accessible from both Folsom Street and 18th Street
2nd Floor
| Size | 12,418 SF |
| Term | Negotiable |
| Rental Rate | Upon Request |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | September 01, 2026 |
The second floor includes 12 meeting rooms or offices, 2 phone rooms, and a kitchenette/break room. With ample room for workstations and collaboration, this level is designed for larger teams needing both open areas and private spaces.
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 32 - 100 People
- 12 Private Offices
- 12 Conference Rooms
- Can be combined with additional space(s) for up to 39,106 SF of adjacent space
- 12 Meeting Rooms/Offices
- Kitchenette/Break Room
- Large open work areas, suitable for collaboration
- Central stair access enhance internal connectivity
3rd Floor
| Size | 11,994 SF |
| Term | Negotiable |
| Rental Rate | Upon Request |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | September 01, 2026 |
The third floor offers 3 meeting rooms or offices, 9 phone rooms, and a kitchen/break area. It’s more private and quieter, making it ideal for executive offices, focused work, or teams that require fewer but more specialized spaces.
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 30 - 96 People
- 3 Private Offices
- 3 Conference Rooms
- Can be combined with additional space(s) for up to 39,106 SF of adjacent space
- 3 Meeting Rooms/Offices
- More private layout
- High ceilings with exposed beams
Property Facts
Select Tenants
- Floor
- Tenant Name
- Industry
- Multiple
- xAI
- Professional, Scientific, and Technical Services
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The Pioneer Building | 3180 18th St
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