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    Triangle, VA
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    Triangle, VA Office Units for Lease

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    Dumfries, VA Stafford, VA Quantico, VA Woodbridge, VA Dale City, VA Manassas, VA Lorton, VA Occoquan, VA
    Class A Office Space Available
    Updated: Mar 11
    Class A Office Space Available

    18300 QUANTICO GATEWAY Dr 100, Triangle, VA 22172

    $17,600/Mo
    20,294 sqft 4.09 AC lot
    Class A office space (20,294 sf) at the main gate of Quantico Marine Base.
    Vacant and ready for immediate occupancy.
    Flexible layouts and ample parking for tenants and visitors.
    Located minutes from I‑95 and the new Rose Gaming establishment (dining, entertainment, hotel).
    Professionally maintained buildings.
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    Office Unit with Multiple Entrances
    Updated: Jul 10, 2025
    Office Unit with Multiple Entrances

    101-18354 Quantico Gateway Dr, Triangle, VA 22172

    $7,626/Mo
    4,160 sqft
    Suite 101 includes 12 offices and a conference room
    3 former SCIF rooms are included in the first‑floor layout
    3 external entrances/exits provide multiple points of access
    Vacant and ready for immediate occupancy
    At the main gate of Quantico Marine Base on US‑1
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    Furnished Office Unit with Conference Rooms
    Furnished Office Unit with Conference Rooms

    18300 QUANTICO GATEWAY DRIVE Unit: 100, Triangle, VA 22172

    $17,600/Mo
    9,600 sqft

    Vacant, professionally maintained office space offers flexible layouts and immediate occupancy.

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    Class A Office Space Available
    Class A Office Space Available

    18354 Quantico Gateway Dr #400, Triangle, VA 22172

    $11,979/Mo

    Class A office space for lease near Quantico Marine Base.

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    Based on your search, we've compiled 8 Potential Opportunities for your consideration. Besides 4 Active listings in Triangle, VA, we suggest exploring alternatives. Consider Similar 4 Spaces in Nearby Cities

    Office Units for Lease in Nearby Cities

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

    Fiber-Connected Office Suite
    Fiber-Connected Office Suite

    3800 Fettler Park Dr, Dumfries, VA 22025

    Contact for pricing
    3,937 sqft

    Class A office space available immediately with fiber connection and 3.5 parking spaces per 1,000 sf.

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    Built-Out Office Units
    Built-Out Office Units

    2680 Opitz Boulevard, Woodbridge, VA 22192

    Contact for pricing

    Existing office configuration with opportunities for exterior signage along Opitz Boulevard.

    View details
    Modern Office and Retail Spaces
    Modern Office and Retail Spaces

    14416 Richmond Hwy, Woodbridge, VA 22191

    Contact for pricing
    1,300 sqft

    Office and retail spaces available with inclusive amenities.

    View details
    Office Spaces Available For Rent
    Office Spaces Available For Rent

    2525 Pointe Center Ct, Dumfries, VA 22026

    Contact for pricing
    6,464 sqft

    Office spaces available, ranging from 2,000 to 6,464 SqFt.

    View details

    Triangle, VA Office Units Lease Rates & Market Statistics

    Browse 4 Office Units for lease in Triangle, VA on Realmo, a commercial real estate marketplace serving the Triangle area. The current inventory totals 34,054 square feet of properties.

    Office Units lease rates in Triangle range from $10.41 SF/Yr at the entry level to $22 SF/Yr at the top of the market, averaging $18.14 SF/Yr. Pricing across the market is relatively uniform, which simplifies like-for-like comparison between listings. The local average of $18.14 SF/Yr is 25% below the Virginia state average of $24.21 SF/Yr.

    Triangle accounts for 11% of the 35 office units currently available across Prince William County, where nearby markets include Woodbridge and Dumfries. Office Units are one of the more limited space types in Triangle, with just 4 listings currently available — a scarcity worth factoring into lease negotiations.

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