Office Space for Lease
49 suites available now in 21 buildings across Ontario, Rancho Cucamonga, Upland and Victorville, from 219 to 21,632 RSF. Call for rates and tours.
Javier Brown, Real Estate Agent
· MGR Real Estate
909-641-0582 · jbrown@mgrrealestate.com
Sí, hablo español
909-641-0582 · jbrown@mgrrealestate.com
Sí, hablo español
3110 E Guasti Rd Ontario, CA
| Suite | Size | Features | Availability |
|---|---|---|---|
| Suite 235 | 952 RSF | Open floor plan with training room | Available Now
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| Suite 300 | 8,653 RSF | Reception, 6 private offices, conference room, large bullpen and storage/IT room | Available Now
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| Suite 320 | 768 RSF | Reception, 2 private offices and small kitchen | Available Now
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3200 E Guasti Rd Ontario, CA
| Suite | Size | Features | Availability |
|---|---|---|---|
| Suite 260 | 3,823 RSF | Reception, 4 private offices, conference room, open area, IT room and storage closet | Available Now
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3237 E Guasti Rd Ontario, CA
| Suite | Size | Features | Availability |
|---|---|---|---|
| Suite 105 | 2,029 RSF | 3 private offices, conference room, breakroom, IT/storage room and open area | Available Now
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3257 E Guasti Rd Ontario, CA
| Suite | Size | Features | Availability |
|---|---|---|---|
| Suite 210 | 3,267 RSF | 5 private offices, breakroom and large bullpen | Available Now
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3281 E Guasti Rd Ontario, CA
| Suite | Size | Features | Availability |
|---|---|---|---|
| Suite 175 | 3,218 RSF | Large reception, 5 private offices, 2 conference rooms, breakroom, supply room and open area | Available Now
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| Suite 200 | 1,665 RSF | Reception, 3 private offices, conference room and open area | Available Now
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| Suite 210 | 907 RSF | Open area with breakroom and sink | Available Now
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| Suite 640 | 1,993 RSF | 2 private offices, supply/breakroom and large open area | Available Now
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| Suite 880 | 2,144 RSF | 5 private offices and open area | Available Now
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3333 Concours St Ontario, CA
| Suite | Size | Features | Availability |
|---|---|---|---|
| Suite 4202 | 1,687 RSF | Medical/office space with reception, large bullpen, 4 exam rooms/private offices, conference room and storage | Available Now
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3401 Centrelake Dr Ontario, CA
| Suite | Size | Features | Availability |
|---|---|---|---|
| Suite 230 | 1,532 RSF | 4 private offices, storage room and open area | Available Now
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| Suite 242 | 1,440 RSF | 4 private offices, storage room, large breakroom and open area | Available Now
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| Suite 248 | 1,515 RSF | 3 private offices, conference room, storage and open area | Available Now
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| Suite 320 | 2,166 RSF | 5 private offices, kitchen, conference room and open area | Available Now
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3450 Centrelake Dr Ontario, CA
| Suite | Size | Features | Availability |
|---|---|---|---|
| Suite 100 | 2,834 RSF | 3 private offices, conference room, IT/storage room and open area. Can combine with Suite 125 for 6,455 RSF | Available Now
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| Suite 125 | 3,621 RSF | 2 private offices and open floor plan. Can combine with Suite 100 for 6,455 RSF | Available Now
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| Suite 225 | 1,990 RSF | 2 private offices and open area | Available Now
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| Suite 275 | 2,964 RSF | Open floor plan with breakroom | Available Now
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3633 Inland Empire Blvd Ontario, CA
| Suite | Size | Features | Availability |
|---|---|---|---|
| Suite 460 | 1,298 RSF | Small reception and open area for cubicles, with option to build up to 2 offices | Available Now
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| Suite 540 | 2,252 RSF | 5 private offices, conference room and open area (no breakroom) | Available Now
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| Suite 560 | 2,441 RSF | Reception, 4 private offices, conference room, breakroom and open area for cubicles | Available Now
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| Suite 705 | 1,592 RSF | 2 private offices and open area | Available Now
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| Suite 790 | 3,190 RSF | Reception, 4 private offices, conference room, 2 phone rooms, open seating area and IT/storage room | Available Now
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3990 Concours St Ontario, CA
| Suite | Size | Features | Availability |
|---|---|---|---|
| Suite 400 | 21,632 RSF | Reception, 19 private offices, 2 large conference rooms, storage/IT rooms, breakroom and large bullpens. Divisible to 14,921 RSF and 5,378 RSF | Available Now
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4141 Inland Empire Blvd Ontario, CA
| Suite | Size | Features | Availability |
|---|---|---|---|
| Suite 260 | 2,635 RSF | Reception, 2 private offices, breakroom, storage rooms and IT room | Available Now
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| Suite 290 | 1,639 RSF | Reception, 4 private offices, conference room, breakroom and open workstation area | Available Now
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4200 Concours St Ontario, CA
| Suite | Size | Features | Availability |
|---|---|---|---|
| Suite 380 | 2,995 RSF | 1 private office, conference room, IT room, breakroom and open area | Available Now
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430 N Vineyard Ave Ontario, CA
| Suite | Size | Features | Availability |
|---|---|---|---|
| Suite 125 | 2,563 RSF | Reception, 5 private offices, conference room and breakroom | Available Now
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| Suite 440-480 | 8,418 RSF | 5 private offices, large breakroom and bullpen with 61 cubicles | Available Now
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800 Haven Ave Ontario, CA
| Suite | Size | Features | Availability |
|---|---|---|---|
| Suite 435 | 2,154 RSF | 3 private offices, conference room and large open area | Available Now
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10350 Commerce Center Dr Rancho Cucamonga, CA
| Suite | Size | Features | Availability |
|---|---|---|---|
| Suite A-160 | 3,091 RSF | 1 private office, conference room and large open area | Available Now
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10390 Commerce Center Dr Rancho Cucamonga, CA
| Suite | Size | Features | Availability |
|---|---|---|---|
| Suite C-150 | 2,359 RSF | Reception, 4 private offices, large conference room, breakroom with sink and storage | Available Now
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8577 Haven Ave Rancho Cucamonga, CA
| Suite | Size | Features | Availability |
|---|---|---|---|
| Suite 108 | 3,785 RSF | Reception, conference room, large bullpen, 6 private offices, breakroom with sink, 2 entrances plus double-door rear entrance | Available Now
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| Suite 307 | 1,709 RSF | Corner suite with reception, conference room, 3 private offices, storage room and private balcony | Available Now
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8599 Haven Ave Rancho Cucamonga, CA
| Suite | Size | Features | Availability |
|---|---|---|---|
| Suite 202 | 2,011 RSF | Reception, bullpen, 3 private offices, conference room and private balcony | Available Now
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1425 W Foothill Blvd Upland, CA
| Suite | Size | Features | Availability |
|---|---|---|---|
| Suite 220 | 1,169 RSF | Reception, bullpen, conference room and 2 private offices | Available Now
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| Suite 310 | 889 RSF | Reception, bullpen, kitchen with sink, storage and private balcony | Available Now
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| Suite 315 | 219 RSF | Single private office | Available Now
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| Suite 320 | 261 RSF | Open floor plan | Available Now
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15428 Civic Dr Victorville, CA
| Suite | Size | Features | Availability |
|---|---|---|---|
| Suite 225 | 986 RSF | Reception and 2 private offices | Available Now
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| Suite 235 | 358 RSF | 1 private office | Available Now
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| Suite 245 | 931 RSF | Reception and 3 private offices | Available Now
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| Suite 300 | 1,014 RSF | Reception and 3 private offices | Available Now
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| Suite 310 | 739 RSF | Reception and 3 private offices | Available Now
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| Suite 320 | 586 RSF | Reception and 3 private offices | Available Now
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15490 Civic Dr Victorville, CA
| Suite | Size | Features | Availability |
|---|---|---|---|
| Suite 205/206 | 1,825 RSF | 2 reception areas and 6 private offices | Available Now
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| Suite 208 | 883 RSF | Reception and 2 private offices | Available Now
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Availability as of October 16, 2026 and subject to change. RSF = rentable square feet.