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Add a Listing Advertise
  1. Retail Space
  2. CA
  3. Upland

Mountain Square

For Lease 18,282 SF

250 S. Mountain Ave, Upland, CA 91786

Rental Details

  • Number of spaces 5
  • Total square feet available 18,282 SF
  • For Lease Price on request
  • Space Type Retail
  • Latest Update Nov 7, 2026
Want more info on this listing?

Reach out to the broker for more info on lease terms and amenities

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Space Name Space Type Lease Rate Total Space Floor Lease Type Expand

5 Spaces Available

Space Name Space Type Lease Rate Total Space Floor Lease Type Expand
310 S. Mountain Avenue Retail Price on request 1,400 SF - -

310 S. Mountain Avenue

Space Type

Retail

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

1,400 SF

Min Divisible

1,400 SF

Available Date

Immediate

Sublease

No

Turnkey

No

Location

Street Level

Drive-Thru

No

Signage Options

Building

Project ID: 114240 KRC URL:

338 S. Mountain Avenue Retail Price on request 11,882 SF - -

338 S. Mountain Avenue

Space Type

Retail

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

11,882 SF

Min Divisible

11,882 SF

Available Date

Immediate

Sublease

No

Turnkey

No

Location

Street Level

Drive-Thru

No

Signage Options

Building

Project ID: 114240 KRC URL:

360 S. Mountain Avenue Retail Price on request 2,400 SF - -

360 S. Mountain Avenue

Space Type

Retail

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

2,400 SF

Min Divisible

2,400 SF

Available Date

Immediate

Sublease

No

Turnkey

No

Location

Street Level

Drive-Thru

No

Signage Options

Building

Project ID: 114240 KRC URL:

382 S. Mountain Avenue Retail Price on request 1,300 SF - -

382 S. Mountain Avenue

Space Type

Retail

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

1,300 SF

Min Divisible

1,300 SF

Available Date

Immediate

Sublease

No

Turnkey

No

Location

Street Level

Drive-Thru

No

Signage Options

Building

Project ID: 114240 KRC URL:

384 S. Mountain Avenue Retail Price on request 1,300 SF - -

384 S. Mountain Avenue

Space Type

Retail

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

1,300 SF

Min Divisible

1,300 SF

Available Date

Immediate

Sublease

No

Turnkey

No

Location

Street Level

Drive-Thru

No

Signage Options

Building

Project ID: 114240 KRC URL:

310 S. Mountain Avenue

Space Type
Retail
Lease Rate
Price on request
Total Space
1,400 SF
Space Type

Retail

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

1,400 SF

Min Divisible

1,400 SF

Available Date

Immediate

Sublease

No

Turnkey

No

Location

Street Level

Drive-Thru

No

Signage Options

Building

Project ID: 114240 KRC URL:

338 S. Mountain Avenue

Space Type
Retail
Lease Rate
Price on request
Total Space
11,882 SF
Space Type

Retail

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

11,882 SF

Min Divisible

11,882 SF

Available Date

Immediate

Sublease

No

Turnkey

No

Location

Street Level

Drive-Thru

No

Signage Options

Building

Project ID: 114240 KRC URL:

360 S. Mountain Avenue

Space Type
Retail
Lease Rate
Price on request
Total Space
2,400 SF
Space Type

Retail

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

2,400 SF

Min Divisible

2,400 SF

Available Date

Immediate

Sublease

No

Turnkey

No

Location

Street Level

Drive-Thru

No

Signage Options

Building

Project ID: 114240 KRC URL:

382 S. Mountain Avenue

Space Type
Retail
Lease Rate
Price on request
Total Space
1,300 SF
Space Type

Retail

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

1,300 SF

Min Divisible

1,300 SF

Available Date

Immediate

Sublease

No

Turnkey

No

Location

Street Level

Drive-Thru

No

Signage Options

Building

Project ID: 114240 KRC URL:

384 S. Mountain Avenue

Space Type
Retail
Lease Rate
Price on request
Total Space
1,300 SF
Space Type

Retail

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

1,300 SF

Min Divisible

1,300 SF

Available Date

Immediate

Sublease

No

Turnkey

No

Location

Street Level

Drive-Thru

No

Signage Options

Building

Project ID: 114240 KRC URL:

Contacts

TB
Todd Buckstein

Kimco Realty

Building Details

  • For Lease Price on request
  • Property Type Retail
  • Property Size 273,149 SF
  • Additional Rent Price on request
  • Date Updated Nov 7, 2026

Location

  • City Upland, CA
  • Zip Code 91786
  • Market Inland Empire
  • Map
  • Street
  • Walk score 77/100 Very Walkable
  • Transit score 26/100 Some Transit
  • Bike score 60/100 Bikeable
Powered by Walk Score ®

Points of Interest

Ontario

2.25 miles

Claremont

2.74 miles

Pomona–North

4.78 miles

East Ontario

6.17 miles

Rancho Cucamonga

6.25 miles

Pacific Electric - Etiwanda Station

8.70 miles

Thrifty

0.66 miles

76

1.14 miles

Chevron

1.15 miles

Shell

1.21 miles

eVgo

1.25 miles

Costco Gasoline

1.27 miles

USA Gasoline

1.30 miles

Upland Village Center

1.75 miles

Tesla Supercharger

1.90 miles

Ontario Supercharger

1.96 miles

Senior/West Parking Lot

1.14 miles

North/Sophomore Parking Lot

1.32 miles

Montclair Transcenter Park And Ride

1.48 miles

SARH Employee Parking

1.91 miles

East Mesa Parking

2.19 miles

Holden Parking

2.23 miles

Sanborn Parking

2.34 miles

Claremont Wilderness Park South Parking

4.03 miles

ALDI

0.18 miles

Grocery Outlet

0.22 miles

Walmart Supercenter

0.53 miles

El Super

0.92 miles

Ross

1.00 miles

Stater Bros.

1.08 miles

Big Lots

1.14 miles

Smart & Final

1.24 miles

Walmart

1.24 miles

Target

1.27 miles

Listing Summary

  • Retail Space Available

    The property exclusively contains Retail space totaling 18,282 square feet.

  • Space Sizes
    • The property houses 4 retail spaces in the 1,000 to 10,000 square feet range, which can serve small or medium-sized retail businesses with growth potential.
    • 250 S. Mountain Ave includes 1 large retail space of more than 10,000 square feet, which is typically a good choice for businesses that need lots of showroom space or the flexibility to set up specialized operations.
Contact Todd Buckstein
TB
Todd Buckstein

Kimco Realty

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