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    Diamond Bar, CA Office Properties & Spaces for Sale

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    Los Angeles, CA Lancaster, CA California City, CA
    Diamond Bar Commercial Office Condo
    $949,900
    1,510 SF

    Diamond Bar Commercial Office Condo

    706 N Diamond Bar, Diamond Bar, CA 91765

    Well-located office condo ideal for professional services.

    • Prime location on N. Diamond Bar Blvd in an established business corridor.
    • Functional ±1,510 SF suite suitable for various professional services.
    • Convenient access to the 57 & 60 Freeways, restaurants, and retail.
    • Ample parking within the professional complex.
    • Ideal for owner‑user or investor seeking stable rental income.
    Updated: Feb 20
    View details
    Renovated Office Condo in Diamond Bar
    $778,000

    Renovated Office Condo in Diamond Bar

    660 N Diamond Bar Blvd, Suite 128, Diamond Bar, CA 91765

    Move-in ready, renovated office condo with freeway access and ample parking.

    • Move‑in ready, fully‑renovated 1,977 SF office condo.
    • Convenient 1st floor access with front and back entrances.
    • Desirable 60/57 freeway access and visibility.
    • High‑end solid maple doors with upgraded sound insulation.
    • Versatile suite with two large rooms, tea/coffee bar, and three offices.
    Updated: Nov 26, 2025
    View details
    Move-in Ready Office Building
    $15,900,000
    54,951 SF

    Move-in Ready Office Building

    55,221 SF office building with easy freeway access.

    1400 Montefino Avenue, Diamond Bar, CA 91765
    View details
    Diamond Bar Commercial Opportunity
    Contact for pricing

    Diamond Bar Commercial Opportunity

    Versatile space suitable for retail, office, or mixed-use purposes.

    560-588 N Diamond Bar Blvd |, Diamond Bar, CA 91765
    View details
    Retail and Medical Office Center
    Contact for pricing
    59,987 SF

    Retail and Medical Office Center

    Mixed-use retail and medical office center with freeway access.

    800-880 N Diamond Bar Blvd, Diamond Bar, CA 91765
    View details
    Based on your search, we've compiled 235 Potential Opportunities for your consideration. Besides 5 Active listings in Diamond Bar, CA, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 222 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

    Explore Opportunities in Nearby Cities

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

    Versatile Warehouse and Office Building
    $1,100,000
    5,000 SF

    Versatile Warehouse and Office Building

    Two-story warehouse and office building in Pomona, California.

    1056 W 1st, Pomona, CA 91766
    View details
    New Construction Office Building
    $1,600,000
    2,638 SF

    New Construction Office Building

    2,638 SF office building with secure parking for sale.

    44 Rio Rancho Rd, Pomona, CA 91766
    View details
    Renovated Office Building For Sale
    $4,999,999
    14,112 SF

    Renovated Office Building For Sale

    Newly renovated office building with freeway access and ample parking.

    1161 Park View Dr, Covina, CA 91724
    View details
    Covina Medical/Dental Office Opportunity
    $8,900,000
    32,000 SF

    Covina Medical/Dental Office Opportunity

    Medical and dental use allowed, great owner user opportunity.

    1373 Center Ct Dr, Covina, CA 91724
    View details

    Potential Development Sites for Consideration

    Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

    Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

    Prime Land in La Verne
    $260,000
    5,000.00 Acres

    Prime Land in La Verne

    Highly visible land parcel near key La Verne locations.

    1828 Arrow, La Verne, CA 91750
    View details
    West Covina Development Opportunity
    $595,000
    23,170.00 Acres

    West Covina Development Opportunity

    Expansive land parcel in West Covina, ideal for development.

    1401 E Garvey Avenue S, West Covina, CA 91790
    View details
    La Habra Commercial Redevelopment Opportunity
    $1,750,000
    1,948 SF

    La Habra Commercial Redevelopment Opportunity

    18,900 SF lot in high-traffic area, prime for redevelopment.

    720 W La Habra Boulevard, La Habra, CA 90631
    View details
    El Monte Land For Sale
    $430,000
    6,577.56 Acres

    El Monte Land For Sale

    El Monte parcel zoned for M1 manufacture use.

    10234 Olney Street, El Monte, CA 91731
    View details

    Explore Off-Market Properties in Diamond Bar, CA

    Consider similar Off-Market properties in Diamond Bar, CA. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

    3333 Brea Cyn Rd Ste, Unit 218

    3333 Brea Cyn Rd Ste, Unit 218

    OFFICE BUILDING • 420 SF
    Value Estimation by Request
    3333 Brea Cyn Rd Ste, Diamond Bar, CA 91765-3785
    View details
    660 Diamond Bar Blvd Ste, Unit 128

    660 Diamond Bar Blvd Ste, Unit 128

    OFFICE BUILDING • 1,540 SF
    Value Estimation
    $600,000
    660 Diamond Bar Blvd Ste, Diamond Bar, CA 91765-1034
    View details
    3333 Brea Cyn Rd Ste, Unit 119

    3333 Brea Cyn Rd Ste, Unit 119

    OFFICE BUILDING • 920 SF
    Value Estimation by Request
    3333 Brea Cyn Rd Ste, Diamond Bar, CA 91765-3783
    View details
    660 Diamond Bar Blvd Ste, Unit 208

    660 Diamond Bar Blvd Ste, Unit 208

    OFFICE BUILDING • 840 SF
    Value Estimation by Request
    660 Diamond Bar Blvd Ste, Diamond Bar, CA 91765-1034
    View details
    640 Diamond Bar Blvd, Unit 7B

    640 Diamond Bar Blvd, Unit 7B

    OFFICE BUILDING • 1,704 SF
    Value Estimation by Request
    640 Diamond Bar Blvd, Diamond Bar, CA 91765-1037
    View details
    3333 Brea Cyn Rd Ste, Unit 126

    3333 Brea Cyn Rd Ste, Unit 126

    OFFICE BUILDING • 920 SF
    Value Estimation by Request
    3333 Brea Cyn Rd Ste, Diamond Bar, CA 91765-3784
    View details
    3333 Brea Cyn Rd Ste, Unit 110

    3333 Brea Cyn Rd Ste, Unit 110

    OFFICE BUILDING • 920 SF
    Value Estimation by Request
    3333 Brea Cyn Rd Ste, Diamond Bar, CA 91765-3782
    View details
    21680 Gtwy Ctr Dr

    21680 Gtwy Ctr Dr

    OFFICE BUILDING (MULTI-STORY) • 84,188 SF
    Value Estimation
    $17,830,000
    21680 Gtwy Ctr Dr, Diamond Bar, CA 91765-2453
    View details
    Diamond Bar, CA 91765

    Diamond Bar, CA 91765

    OFFICE BUILDING (MULTI-STORY) • 10.95 Acres
    Value Estimation
    $560,000
    Diamond Bar, CA 91765
    View details
    1470 Vly Vis Dr Ste, Unit 102

    1470 Vly Vis Dr Ste, Unit 102

    OFFICE BUILDING • 990 SF
    Value Estimation by Request
    1470 Vly Vis Dr Ste, Diamond Bar, CA 91765-3903
    View details
    660 Diamond Bar Blvd Ste, Unit 228

    660 Diamond Bar Blvd Ste, Unit 228

    OFFICE BUILDING • 500 SF
    Value Estimation by Request
    660 Diamond Bar Blvd Ste, Diamond Bar, CA 91765-1055
    View details
    3333 Brea Cyn Rd Ste, Unit 101

    3333 Brea Cyn Rd Ste, Unit 101

    OFFICE BUILDING • 880 SF
    Value Estimation by Request
    3333 Brea Cyn Rd Ste, Diamond Bar, CA 91765-3782
    View details
    660 Diamond Bar Blvd Ste, Unit 100

    660 Diamond Bar Blvd Ste, Unit 100

    OFFICE BUILDING • 1,200 SF
    Value Estimation
    $710,000
    660 Diamond Bar Blvd Ste, Diamond Bar, CA 91765-1034
    View details
    3333 Brea Cyn Rd Ste, Unit 205

    3333 Brea Cyn Rd Ste, Unit 205

    OFFICE BUILDING • 420 SF
    Value Estimation by Request
    3333 Brea Cyn Rd Ste, Diamond Bar, CA 91765-3784
    View details
    1514 Vly Vis Dr

    1514 Vly Vis Dr

    MEDICAL BUILDING • 20,972 SF
    Value Estimation
    $6,000,000
    1514 Vly Vis Dr, Diamond Bar, CA 91765-3929
    View details
    3333 Brea Cyn Rd Ste, Unit 217

    3333 Brea Cyn Rd Ste, Unit 217

    OFFICE BUILDING • 420 SF
    Value Estimation by Request
    3333 Brea Cyn Rd Ste, Diamond Bar, CA 91765-3785
    View details
    1470 Vly Vis Dr Ste, Unit 110

    1470 Vly Vis Dr Ste, Unit 110

    OFFICE BUILDING • 1,220 SF
    Value Estimation
    $675,000
    1470 Vly Vis Dr Ste, Diamond Bar, CA 91765-3903
    View details
    2705 Diamond Bar Blvd Ste, Unit 118

    2705 Diamond Bar Blvd Ste, Unit 118

    OFFICE BUILDING • 1,600 SF
    Value Estimation
    $1,665,000
    2705 Diamond Bar Blvd Ste, Diamond Bar, CA 91765-3557
    View details
    2705 Diamond Bar Blvd Ste, Unit 100

    2705 Diamond Bar Blvd Ste, Unit 100

    OFFICE BUILDING • 820 SF
    Value Estimation
    $1,675,000
    2705 Diamond Bar Blvd Ste, Diamond Bar, CA 91765-3557
    View details

    Diamond Bar, CA Office Properties & Spaces Investment Opportunities Market Analysis

    Explore 227 office properties & spaces for sale in Diamond Bar, CA, showcased through 5 active listings on our real estate platform. These investment opportunities span a total of 17,241,935 square feet of properties for sale, with an estimated market value of $131,075,000.

    Sale prices for office spaces in Diamond Bar, CA start at $205,000, averaging $910,243, and reaching up to $21,845,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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