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Mountain Avenue Office Plaza 222 N Mountain Ave 637 - 4,145 SF of Office Space Available in Upland, CA 91786
HIGHLIGHTS
- Ample on-site parking for tenants and visitors, providing easy access to your office space in Upland, CA.
- Conveniently located within walking distance of Mountain Plaza Mall, offering easy access to retail stores and dining options for maximum convenience.
- Enjoy a serene central courtyard that fills the building with natural light, creating a peaceful atmosphere for tenants and visitors alike.
- All-inclusive rate covers utilities, building services, and property expenses, offering simplicity and budget predictability for your business.
- Prime corner location at W 9th St & N Mountain Ave, providing high visibility and maximum exposure for your business in a high-traffic area.
- Central air and heating provide year-round comfort, maintaining an ideal temperature for a productive and comfortable workspace.
ALL AVAILABLE SPACES(4)
Display Rental Rate as
- SPACE
- SIZE
- TERM
- RENTAL RATE
- SPACE USE
- CONDITION
- AVAILABLE
Ground-floor corner Suite #111 is approximately 855 square feet and features a welcoming bullpen area, three private offices, and abundant natural light. The suite faces Mountain Ave. and will be available February 1, 2026.
- Rate includes utilities, building services and property expenses
- Fits 4 - 6 People
- 1 Workstation
- Fully Carpeted
- Natural Light
- Fully Built-Out as Standard Office
- 3 Private Offices
- Central Air and Heating
- Corner Space
- Wheelchair Accessible
Suite 203 – This distinctive second-floor corner suite encompasses approximately 1,378 rentable square feet. The layout includes a reception area, open bullpen, three private offices and IT room.
- Rate includes utilities, building services and property expenses
- Fits 4 - 12 People
- 1 Conference Room
- Central Air and Heating
- Corner Suite
- Premium Fit Out
- Fully Built-Out as Standard Office
- 4 Private Offices
- 1 Workstation
- Corner Space
- Lots of Natural Light
Suite 213-A | 637 RSF: The corner suite features a reception area, and two private offices. Available in 30 days.
- Rate includes utilities, building services and property expenses
- Fits 2 - 6 People
- 1 Workstation
- Fully Carpeted
- Fully Built-Out as Standard Office
- 2 Private Offices
- Central Air and Heating
- Corner Space
Suite 216-A | 1,275 RSF – A versatile office suite with a professional reception area, open bullpen for collaborative work, dedicated conference room, storage, and two private offices. Perfect for growing teams. Available now.
- Rate includes utilities, building services and property expenses
- Fits 4 - 8 People
- 1 Conference Room
- Central Air Conditioning
- Professional reception area to welcome clients
- Private conference room
- Convenient storage space
- Fully Built-Out as Standard Office
- 2 Private Offices
- 1 Workstation
- Fully Carpeted
- Open bullpen for collaborative work
- Two private offices
- Available in 30 days
| Space | Size | Term | Rental Rate | Space Use | Condition | Available |
| 1st Floor, Ste 111 | 855 SF | Negotiable | $21.00 /SF/YR $1.75 /SF/MO $17,955 /YR $1,496 /MO | Office | Full Build-Out | February 01, 2026 |
| 2nd Floor, Ste 203 | 1,378 SF | Negotiable | $17.88 /SF/YR $1.49 /SF/MO $24,639 /YR $2,053 /MO | Office | Full Build-Out | Now |
| 2nd Floor, Ste 213-A | 637 SF | Negotiable | $17.88 /SF/YR $1.49 /SF/MO $11,390 /YR $949.13 /MO | Office | Full Build-Out | 30 Days |
| 2nd Floor, Ste 216-A | 1,275 SF | Negotiable | $17.88 /SF/YR $1.49 /SF/MO $22,797 /YR $1,900 /MO | Office | Full Build-Out | Now |
1st Floor, Ste 111
| Size |
| 855 SF |
| Term |
| Negotiable |
| Rental Rate |
| $21.00 /SF/YR $1.75 /SF/MO $17,955 /YR $1,496 /MO |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| February 01, 2026 |
2nd Floor, Ste 203
| Size |
| 1,378 SF |
| Term |
| Negotiable |
| Rental Rate |
| $17.88 /SF/YR $1.49 /SF/MO $24,639 /YR $2,053 /MO |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| Now |
2nd Floor, Ste 213-A
| Size |
| 637 SF |
| Term |
| Negotiable |
| Rental Rate |
| $17.88 /SF/YR $1.49 /SF/MO $11,390 /YR $949.13 /MO |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| 30 Days |
2nd Floor, Ste 216-A
| Size |
| 1,275 SF |
| Term |
| Negotiable |
| Rental Rate |
| $17.88 /SF/YR $1.49 /SF/MO $22,797 /YR $1,900 /MO |
| Space Use |
| Office |
| Condition |
| Full Build-Out |
| Available |
| Now |
1st Floor, Ste 111
| Size | 855 SF |
| Term | Negotiable |
| Rental Rate | $21.00 /SF/YR |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | February 01, 2026 |
Ground-floor corner Suite #111 is approximately 855 square feet and features a welcoming bullpen area, three private offices, and abundant natural light. The suite faces Mountain Ave. and will be available February 1, 2026.
- Rate includes utilities, building services and property expenses
- Fully Built-Out as Standard Office
- Fits 4 - 6 People
- 3 Private Offices
- 1 Workstation
- Central Air and Heating
- Fully Carpeted
- Corner Space
- Natural Light
- Wheelchair Accessible
2nd Floor, Ste 203
| Size | 1,378 SF |
| Term | Negotiable |
| Rental Rate | $17.88 /SF/YR |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | Now |
Suite 203 – This distinctive second-floor corner suite encompasses approximately 1,378 rentable square feet. The layout includes a reception area, open bullpen, three private offices and IT room.
- Rate includes utilities, building services and property expenses
- Fully Built-Out as Standard Office
- Fits 4 - 12 People
- 4 Private Offices
- 1 Conference Room
- 1 Workstation
- Central Air and Heating
- Corner Space
- Corner Suite
- Lots of Natural Light
- Premium Fit Out
2nd Floor, Ste 213-A
| Size | 637 SF |
| Term | Negotiable |
| Rental Rate | $17.88 /SF/YR |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | 30 Days |
Suite 213-A | 637 RSF: The corner suite features a reception area, and two private offices. Available in 30 days.
- Rate includes utilities, building services and property expenses
- Fully Built-Out as Standard Office
- Fits 2 - 6 People
- 2 Private Offices
- 1 Workstation
- Central Air and Heating
- Fully Carpeted
- Corner Space
2nd Floor, Ste 216-A
| Size | 1,275 SF |
| Term | Negotiable |
| Rental Rate | $17.88 /SF/YR |
| Space Use | Office |
| Condition | Full Build-Out |
| Available | Now |
Suite 216-A | 1,275 RSF – A versatile office suite with a professional reception area, open bullpen for collaborative work, dedicated conference room, storage, and two private offices. Perfect for growing teams. Available now.
- Rate includes utilities, building services and property expenses
- Fully Built-Out as Standard Office
- Fits 4 - 8 People
- 2 Private Offices
- 1 Conference Room
- 1 Workstation
- Central Air Conditioning
- Fully Carpeted
- Professional reception area to welcome clients
- Open bullpen for collaborative work
- Private conference room
- Two private offices
- Convenient storage space
- Available in 30 days
PROPERTY OVERVIEW
Situated at the prime corner of Mountain Avenue and 9th Street, 222 N Mountain Avenue presents an exceptional office space in a tranquil, park-like setting. This meticulously maintained, two-story garden office building boasts a central open-air courtyard, creating a peaceful and welcoming atmosphere for both tenants and visitors. Surrounded by lush, mature landscaping, the property provides a serene work environment, all while offering convenient access to major freeways just minutes away.
- Atrium
- Bus Line
- Courtyard
- Balcony
PROPERTY FACTS
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Mountain Avenue Office Plaza | 222 N Mountain Ave
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