Fullerton, CA Office Spaces for Lease

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Updated: Jun 2

Downtown Office Suites on Corner

110 E Wilshire Ave, Fullerton, CA 92832

$28 SF/Yr

4,086 sqft

Historic downtown Fullerton office building built in 1928
Recently remodeled building with flexible office layouts for private offices, reception, and conference use
Available office suites ranging from 1,294 to 4,086 SF
Tenants can use private office, reception, and conference spaces within the suites
Ample free nearby parking noted in the listing

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Updated: Aug 19

Spa & Wellness Space with Parking

504 S Hbr, Fullerton, CA 92832

$2,600/Mo

Spa and wellness, professional office, retail, beauty, and service‑oriented use potential
Central air conditioning
Rear parking with gated alley access
Located on S. Harbor Blvd in Fullerton
Near Downtown Fullerton with access to the 91 and 5 Freeways

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Office Unit with Gated Parking

506 S Hbr, Fullerton, CA 92832

$1,300/Mo

Air-conditioned office space with rear parking and gated alley access near Downtown Fullerton.

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Downtown Office Space For Rent

140 E Commonwealth, Fullerton, CA 92832

$1,850/Mo

0.23 AC lot

Bright, spacious office suite in a prime downtown location.

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Creative Office Space in Fullerton

101 East Commonwealth Avenue, Fullerton, CA 92832

$1,000/Mo

2,760 SF creative office space in Downtown Fullerton.

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Flex Space with Ground Loading

2548 Fender Ave, Fullerton, CA 92831

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1,750 sqft

Flex office space includes reception, private office, 12'x12' ground-level loading door, and two restrooms.

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Flex Space with Truck Court

1500 E Walnut Ave, Fullerton, CA 92831

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121,946 sqft

Freestanding flex building with 32' clear height, ESFR sprinklers, and a large secured truck court.

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Multi-Tenant Office Building

1370 N. Brea Boulevard, Fullerton, CA 92835

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Elevator-served, landscaped office park with on-site management and nearby dining and amenities.

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Flex Space with Mezzanine

1124 E Valencia Dr, Fullerton, CA 92833

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Functional flex space combines warehouse access with offices, meeting room, restroom, and mezzanine support area.

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Flexible Professional Office Units

2270 Rosecrans, Fullerton, CA 92833

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Suite options support professional, administrative, consulting, financial, real estate, and insurance businesses.

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Office Units with Retail Flexibility

1235 N. Harbor Blvd., Fullerton, CA 92832

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Flexible occupancy supports office, medical, and retail users in a professionally managed setting.

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Fullerton Office Space For Rent

653 W Commonwealth, Fullerton, CA 92832

$1,800/Mo

0.16 AC lot

Bright, spacious 800 sqft office near downtown and Koreatown.

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Retail and Office Space Available

535-581 N Commonwealth Ave, Fullerton, CA 92831

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Class A retail and office space near Cal State Fullerton.

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Fullerton Office Space For Rent

2495 E Orangethorpe Ave, Fullerton, CA

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3,425 sqft 4.79 AC lot

Office space featuring private offices, restroom, and kitchenette.

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Remodeled Private Office Suites

444 N Harbor Blvd, Fullerton, CA 92832

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250 sqft

Newly remodeled private offices with a lounge, kitchen/workbar, plus internet, utilities, and janitorial service.

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Fullerton Retail/Office/Medical Space Available

444 N Harbor Blvd, Fullerton, CA

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2,239 sqft 0.59 AC lot

Retail, office, or medical space available for lease.

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Fullerton Medical Office Space Available

1950 Sunny Crest Dr, Fullerton, CA 92835

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83,946 sqft

Medical and retail suites available near St. Jude Medical Center.

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Based on your search, we've compiled 39 Potential Opportunities for your consideration. Besides 17 Active listings in Fullerton, CA, we suggest exploring alternatives. Similar 22 Properties for Sales.

Similar Spaces for Sale in Fullerton, CA

Consider Similar Space for Sale. We found 22 Spaces matching your search parameters.

Renovated Standalone Office Building

1457 E Chapman Ave, Fullerton, CA 92831

$1,200,000

1,750 sqft 0.17 AC lot

Single-story workspace with private offices, conference space, client reception, and dedicated rear parking.

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Dual-Access Flex Space

2007 Raymer Avenue Q&R, Fullerton, CA 92833

$1,250,000

2,890 sqft

Industrial flex unit combining finished office areas with open warehouse space and two grade-level roll-up doors.

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Flex Space with Dual Loading

2007 Raymer Avenue, Fullerton, CA 92833

$1,250,000

31,387 sqft

Industrial flex unit combining finished office areas with an open warehouse and separate access points.

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Flex Space with Loading Dock

A-2003 Raymer Ave, Fullerton, CA 92833

$1,300,000

3,180 sqft

Office and warehouse functions are permitted within a professionally maintained business park.

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Renovated Standalone Office Building

1457 E Chapman Ave, Fullerton, CA 92831

$1,200,000

1,750 sqft 0.17 AC lot

Vacant professional workspace with private offices, client reception, dedicated parking, and prominent Chapman Avenue signage exposure.

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Fullerton Commercial Property For Sale

1555 Commonwealth Avenue, Fullerton, CA 92833

$2,249,000

3,824 sqft 20,000.00 AC lot

Commercial property in Fullerton suitable for various businesses.

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Freestanding Flex Space with Fenced Yard

1129-1133 E Elm Ave, Fullerton, CA 92831

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5,406 sqft

Divisible commercial building combining office accommodation, warehouse clearance, loading access, and a secured outdoor yard.

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Fullerton, CA Office Spaces Lease Rates & Market Statistics

Browse 17 Office Spaces for lease in Fullerton, CA on Realmo, a commercial real estate marketplace serving the Fullerton area. The current inventory totals 217,642 square feet of properties — an average of ~12,800 SF per listing.

Office Spaces lease rates in Fullerton range from $28 SF/Yr at the entry level to $28 SF/Yr at the top of the market, averaging $28 SF/Yr. Pricing across the market is relatively uniform, which simplifies like-for-like comparison between listings. At $28 SF/Yr, the local average runs 13% above California's state average of $24.76 SF/Yr.

Fullerton accounts for 2% of the 1,083 office spaces currently available across Orange County, where nearby markets include Irvine and Santa Ana. By space type, the market includes 14 office units and 3 medical office space listings.

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