Office Units

Fontana, CA Office Units for Lease

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11 properties
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Second-Floor Office Unit
Updated: Sep 18
Second-Floor Office Unit

8689 Sierra Ave D, Fontana, CA 92335

$1,575/Mo
1,172 sqft
1,172 square feet of second‑floor office space
Private restroom included
Located at 8689 Sierra Ave D, Fontana, CA 92335
Property built in 2005
Walk score of 80, classified as Very Walkable
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Remodeled Mixed-Use Office Dwelling
Updated: Apr 24
Remodeled Mixed-Use Office Dwelling

15046 Valley, Fontana, CA 92335

$3,570/Mo
1,372 sqft
Fully remodeled inside and out, providing a polished, move‑in‑ready environment.
Versatile 3‑bedroom, 2‑bath layout suitable for a wide range of office uses.
Multiple private rooms perfect for offices or conference space.
Ideal for various professional uses, including professional services, offices, real estate, insurance, consulting, creative studios, or administrative headquarters.
Updated restrooms and modern finishes offer a contemporary and professional aesthetic.
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Single-Tenant Retail Building
Single-Tenant Retail Building

17590 Foothill Blvd, Fontana, CA 92335

Contact for pricing
10,568 sqft

Freestanding retail property available for lease on Foothill Blvd in Fontana.

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Two-Story Office Building
Two-Story Office Building

G-10557 Juniper Ave, Fontana, CA 92335

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1,300 sqft

Four offices, two bathrooms, a reception area, and an upper-level loft support a range of office operations.

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Fontana Medical/Office Space Available
Fontana Medical/Office Space Available

16465 Sierra Lakes Pky., Fontana, CA 93351

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60,000 sqft

Conveniently located near I-210, with pharmacy and urgent care on-site.

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Freestanding Flex Building
Freestanding Flex Building

10660 Mulberry Ave, Fontana, CA 92337

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49,530 sqft

Freestanding flex space combines office areas, mezzanine workspace, high-clearance volume, and multiple loading options.

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Brand New Two-Story Office Suite
Brand New Two-Story Office Suite

16726 Slover Ave, Fontana, CA 92337

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5,000 sqft

New two-story office suite with conference, lunch room, bullpen, private office, and two restrooms.

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Truck-Ready Industrial Land with Office
Truck-Ready Industrial Land with Office

10048 Live Oak Ave, Fontana, CA 92335

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17,379 sqft

Approximately 10.41-acre truck-ready industrial land with a 500 SF office for flexible commercial operations.

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Second-Floor Office Unit
Second-Floor Office Unit

D-8689 Sierra Ave, Fontana, CA 92335

$1,575/Mo
1,172 sqft

A private restroom serves this upper-level workspace.

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Improved Industrial Land with Office
Improved Industrial Land with Office

15662 Valley Blvd, Fontana, CA 92335

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179,903 sqft 4.13 AC lot

Improved, paved and fenced yard with lighting and a 3,500 SF office building split into two units.

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Flex Space with Loading Access
Flex Space with Loading Access

A-10672 Calabash Ave, Fontana, CA 92335

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7,500 sqft 2.65 AC lot

Versatile commercial facility combining warehouse functions, office buildout, and a secured outdoor yard.

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Based on your search, we've compiled 16 Potential Opportunities for your consideration. Besides 11 Active listings in Fontana, CA, we suggest exploring alternatives. Consider Similar 4 Spaces in Nearby Cities, and Similar 1 Properties for Sales.

Office Units for Lease in Nearby Cities

Here are 4 Similar Spaces we found in Nearby Locations for your consideration.

Warehouse with Dock-High Doors
Warehouse with Dock-High Doors

8676 Rochester Ave, Rancho Cucamonga, CA 91730

Contact for pricing
4,675 sqft

Free-standing warehouse with ESFR sprinkler system, dock-high doors, and office space.

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Class A Warehouse with 40' Clear Height
Class A Warehouse with 40' Clear Height

2175 Linden Ave, Rialto, CA 92377

Contact for pricing
378,500 sqft

Includes 5,622 SF first-floor office with ESFR sprinkler system and 40' clear height.

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Warehouse with Office Sublease
Warehouse with Office Sublease

2510-2580 W Walnut Ave, Rialto, CA 92376

Contact for pricing
1,197,051 sqft

Sublease through 5/31/2028 with ESFR sprinklers, dock-high and grade-level doors, and 4,000 amps for operations.

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Rancho Cucamonga Office and Retail
Rancho Cucamonga Office and Retail

11910-11960 east Foothill Blvd., Rancho Cucamonga, CA 91739

Contact for pricing

Office and retail spaces available in high-profile center.

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Similar Spaces for Sale in Fontana, CA

Consider Similar Space for Sale. We found 1 Spaces matching your search parameters.

Freestanding Flex Space with Fenced Yard
Freestanding Flex Space with Fenced Yard

14210 Whittram, Fontana, CA 92335

$3,580,000
15,200 sqft 0.76 AC lot

Two freestanding buildings combine office, warehouse, loading, and fenced-yard components.

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Fontana, CA Office Units Lease Rates & Market Statistics

Browse 11 Office Units for lease in Fontana, CA on Realmo, a commercial real estate marketplace serving the Fontana area. The current inventory totals 334,896 square feet of properties — an average of ~30,450 SF per listing.

Asking lease rates for Office Units in Fontana start at $16.13 SF/Yr, average $21.16 SF/Yr, and reach $31.22 SF/Yr at the top of the market. Pricing across the market is relatively uniform, which simplifies like-for-like comparison between listings. The local average of $21.16 SF/Yr is 12% below the California state average of $24.04 SF/Yr.

Fontana accounts for 3% of the 420 office units currently available across San Bernardino County, where nearby markets include Ontario and Rancho Cucamonga. Office Units make up 73% of the 15 Office Spaces currently for lease in Fontana, with asking rates in line with the citywide Office Spaces average. Also worth a look for tenants weighing alternatives: Medical Office Space (3 listings) elsewhere in the Fontana market.

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