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    Diamond Bar, CA

    Diamond Bar, CA Commercial Real Estate for Sale

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    17 properties
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    Move-in Ready Office Building
    Updated: Nov 21, 2025
    Move-in Ready Office Building

    1400 Montefino Avenue, Diamond Bar, CA 91765

    $15,900,000
    54,951 sqft
    Move‑in ready condition
    Entire building available with 55,221 Rentable Square Feet, divisible to 27,494 Rentable Square Feet
    Ample free parking: 3.98/1000, 220 total spaces
    Large open floor plate
    Easy access to 60/57 freeways
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    This listing looks promising.

    Here's a quick look at some key insights for

    1400 Montefino Avenue, Diamond Bar, CA 91765

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    • Est. Cap Rate

      7.6%
      Above avg (5.9%)

    • Est. NOI

      $1.2M
      Annual

    • Mortgage

      $8M
      Feb 2017

    • Last Sold

      Sep 2011
      $6.5M

    • Property Type

      Office Building
      Built 1985
    View Property Analytics
    Office Condo with Parking
    Updated: Feb 20
    Office Condo with Parking

    706 N Diamond Bar, Diamond Bar, CA 91765

    $859,900
    Commercial office condo suite in established professional complex on N. Diamond Bar Blvd
    Approximately 1,510 SF suite with functional layout for professional services (buyer to verify permitted uses with city)
    Suite includes reception/waiting area, multiple private offices, and a conference room
    Open bullpen/workspace plus private restroom (if applicable)
    Central air and built in 1982
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    Multi-Tenant Shopping Center
    Multi-Tenant Shopping Center

    Diamond Bar, CA 91765

    $8,970,000
    25,011 sqft 2.53 AC lot

    Small leasable units are configured for short-term leases without options.

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    Three-Story Multi-Tenant Office Building
    Three-Story Multi-Tenant Office Building

    556 N Diamond Bar Blvd, Diamond Bar, CA 91765

    $10,750,000
    47,196 sqft 2.76 AC lot

    Class B office building with on-site parking and a reciprocal agreement adding nearby stalls for tenants.

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    Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center
    Diamond Bar Commercial Office Condo
    Diamond Bar Commercial Office Condo

    706 N Diamond Bar, Diamond Bar, CA 91765

    $889,900
    1,510 sqft

    Well-located office condo ideal for professional services and investment.

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    Tuscan-Inspired Estate Home
    Tuscan-Inspired Estate Home

    2868 Shadow Canyon RD, Diamond Bar, CA 91765

    $6,450,000
    1.45 AC lot

    Three-story, six-bedroom estate with landscaped grounds, elevator access, and a gourmet kitchen with Thermador appliances.

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    Drive-Through Retail Development Site
    Drive-Through Retail Development Site

    350 N Diamond Bar Blvd, Diamond Bar, CA 91765

    Contact for pricing
    4,000 sqft 0.92 AC lot

    Ground lease or build-to-suit opportunity for a drive-thru C-store or gas station concept.

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    Diamond Bar Corporate Center Office
    Diamond Bar Corporate Center Office

    1470 Valley Vista Dr 206, Diamond Bar, CA 91765

    $3,579,800
    1.16 AC lot

    Office spaces for sale in Diamond Bar Corporate Center.

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    Mixed-Use Shopping Center with Elevator
    Mixed-Use Shopping Center with Elevator

    1200 Diamond Bar Boulevard, Diamond Bar, CA 91765

    Contact for pricing
    24,634 sqft

    Fully occupied shopping center with an on-site elevator and a food, fitness, and service tenant mix.

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    Horse Riding Arena Development Site
    Horse Riding Arena Development Site

    2621 Steeplechase Lane, Diamond Bar, CA 91765

    $1,149,000
    0.74 AC lot

    For sale as a horse riding arena within a private, guarded estate with shared resort-style amenities.

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    Retail and Medical Office Center
    Retail and Medical Office Center

    800-880 N Diamond Bar Blvd, Diamond Bar, CA 91765

    Contact for pricing
    59,987 sqft

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

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    Office Condominium Unit
    Office Condominium Unit

    3333 S Brea Canyon Rd S 209, Diamond Bar, CA 91765

    $235,000

    Office condo at 3333 S Brea Canyon Rd with glass-and-steel exterior and abundant natural light, near the 57 and 60 Freeways.

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    Office Condominium with Natural Light
    Office Condominium with Natural Light

    209-3333 S Brea Canyon Rd, Diamond Bar, CA 91765

    $235,000

    Glass-and-steel construction and freeway access support a professional office setting.

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    Drive-Thru Restaurant NNN Lease
    Drive-Thru Restaurant NNN Lease

    868 S Brea Canyon Rd, Diamond Bar, CA 91789

    Contact for pricing
    2,718 sqft 0.39 AC lot

    Newly completed Popeyes with a dual-lane drive-thru, extended stacking lane, and outdoor patio seating on an absolute NNN basis.

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    Salon Business with Private Room
    Salon Business with Private Room

    1220 S Diamond Bar Boulevard, Diamond Bar, CA 91765

    $50,000

    Established salon business with furnishings, equipment, supplies, and a private consultation room.

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    Other Specialty Property Unit 325
    Other Specialty Property Unit 325

    888 S Brea Canyon Rd Unit 325, Diamond Bar, CA 91789

    Contact for pricing

    For sale other specialty property unit 325 located at 888 S Brea Canyon Rd.

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    NNN Retail Investment Property
    NNN Retail Investment Property

    554 N Diamond Bar Blvd, Diamond Bar, CA 91765

    Contact for pricing

    NNN retail asset with approximately 14 years remaining under an existing lease.

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    Based on your search, we've compiled Potential Opportunities for your consideration. Besides 17 Active Listings in Diamond Bar, CA, we suggest to view alternatives - similar 55 Off-Market properties to explore as potential leads.

    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.

    2705 Diamond Bar Blvd Ste, Unit 208
    OFFICE BUILDING

    2705 Diamond Bar Blvd Ste, Diamond Bar, CA 91765-3554

    Unit 208
    $295,000
    Estimated value
    710 sqft 0.93 AC lot
    View details
    3333 Brea Cyn Rd Ste, Unit 218
    OFFICE BUILDING

    3333 Brea Cyn Rd Ste, Diamond Bar, CA 91765-3785

    Unit 218
    $270,000
    Estimated value
    420 sqft 2.40 AC lot
    View details
    660 Diamond Bar Blvd Ste, Unit 128
    OFFICE BUILDING

    660 Diamond Bar Blvd Ste, Diamond Bar, CA 91765-1034

    Unit 128
    $600,000
    Estimated value
    1,540 sqft 1.42 AC lot
    View details
    1470 Vly Vis Dr Ste, Unit 205
    OFFICE BUILDING

    1470 Vly Vis Dr Ste, Diamond Bar, CA 91765-3967

    Unit 205
    $300,000
    Estimated value
    1,560 sqft 3.63 AC lot
    View details
    20430 Yellow Brick Rd, Unit B
    MANUFACTURING (LIGHT)

    20430 Yellow Brick Rd, Diamond Bar, CA 91789-2972

    Unit B
    $2,350,000
    Estimated value
    8,530 sqft 0.86 AC lot
    View details
    22601 Sunset Xing Rd
    COMMERCIAL (GENERAL)

    22601 Sunset Xing Rd, Diamond Bar, CA 91765-0015

    $325,000
    Estimated value
    320 sqft 9.68 AC lot
    View details
    3333 Brea Cyn Rd Ste, Unit 119
    OFFICE BUILDING

    3333 Brea Cyn Rd Ste, Diamond Bar, CA 91765-3783

    Unit 119
    $265,000
    Estimated value
    920 sqft 2.40 AC lot
    View details

    Diamond Bar, CA Commercial Real Estate Market Trends and Statistics

    Explore 72 commercial real estate for sale in Diamond Bar, CA, showcased through 17 active listings on our real estate platform. These investment opportunities span a total of 220,007 square feet of properties for sale, with an estimated market value of $49,068,600.

    Sale prices for business properties in Diamond Bar, CA start at $50,000, averaging $4,460,781, and reaching up to $15,900,000 — 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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    Demographics Overview

    Population 86K
    Population Growth (5Y) -6.5%
    Median Household Income $114,768
    College Educated 71.4%

    High-Yield Neighborhoods for Investment

    Identify Diamond Bar submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

    Neighborhood Average Price
    91765 $5M

    Taxes & Financing

    Tax Rate (average for all types) 1.27%
    Property Tax per SF $24.97 per SF
    Tax Rate vs County Average 0.03 pp above county avg
    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in Los Angeles County

    New Delisted

    Total CRE Inventory on Market (SF)

    Average Property Price per SF

    For-sale pricing trends across core commercial property types in Los Angeles County

    Retail

    Office

    Residential Income

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    • 91789

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