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    16 properties
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    Remodeled Office Building
    Updated: Sep 10
    Remodeled Office Building

    308 NW 4th Avenue, Cascade, IA 52033

    $149,000
    1,150 sqft 0.16 AC lot
    1,150‑square‑foot office building on a 0.16‑acre lot
    Three offices with entry area, half bath, kitchenette, and furnace room
    July 2025 remodel included new PVC membrane roof and added insulation
    Updated electrical panel, plumbing, wiring, lighting, and interior drywall
    New LVP flooring, cabinetry, faucets, and fresh interior paint
    View details
    Furnished Office Building
    Updated: Aug 20
    Furnished Office Building

    3390 Asbury Road, Dubuque, IA 52002

    $1,500,000
    7,680 square feet across the main level and walkout lower level
    Furnished office property with reception area, 3 conference rooms, and 8 individual offices
    40 cubicles distributed between the main and lower levels
    37 parking spaces included
    Brick construction dating to 1978
    View details
    Remodeled Office Building
    Remodeled Office Building

    308 4th Avenue, Cascade, IA 52033

    $149,000

    Commercially zoned office property with updated finishes, public utilities, and a practical multi-room layout.

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    Realmo Analytics Monitor Off-market properties and contact owners who are ready to sell. Many signals applied to make quality leads for you. Get Leads
    High-Visibility Commercial Redevelopment Site
    High-Visibility Commercial Redevelopment Site

    1805 John F Kennedy Rd, Dubuque, IA 52002

    $1,350,000
    5,655 sqft 3.76 AC lot

    A 5,655 SF commercial building with drive-thru and parking on nearly four acres along John F. Kennedy Road.

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    Office Building With Broadcast Studios
    Office Building With Broadcast Studios

    1055 University Avenue, Dubuque, IA 52001

    $2,160,000

    Brick-and-stucco property combines flexible offices, meeting space, and media production facilities.

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    Corner Mixed-Use Building
    Corner Mixed-Use Building

    2155 Southpark Court, Dubuque, IA 52003

    $950,000

    C-3 zoning, on-site parking, and public utilities support a flexible commercial setup.

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    Three-Story Office Building with Marble Details
    Three-Story Office Building with Marble Details

    1398 Central Avenue, Dubuque, IA 52001

    Contact for pricing

    Former corporate headquarters with furnished offices, conference rooms, elevators, and flexible multi-tenant or redevelopment potential.

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    Multi-Tenant Office Building
    Multi-Tenant Office Building

    120 Bryant St, Dubuque, IA 52003

    $799,000
    9,450 sqft

    Well-maintained office building is fully leased to four tenants and includes shared conference and break rooms.

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    Glass-Front Office Building
    Glass-Front Office Building

    3600 Digital Drive, Dubuque, IA 52003

    $3,250,000

    The office property is fully leased and includes outdoor seating and on-site parking.

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    Fully Leased Office Building
    Fully Leased Office Building

    120 Bryant Street, Dubuque, IA 52003

    $799,000

    Four-tenant office property with shared meeting space, a break room, off-street parking, and OR zoning.

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    Class A Downtown Office Building
    Class A Downtown Office Building

    131 W 10th St, Dubuque, IA 52001

    $850,000
    20,000 sqft

    Four-story office building with elevator service, geothermal HVAC, and multiple training and common spaces for flexible tenant use.

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    Three-Story Medical Office Building
    Three-Story Medical Office Building

    4025 WESTMARK DR, Dubuque, IA 52002

    Contact for pricing
    45,532 sqft

    Medical suites on the first two levels are configured for occupancy, while the upper floor is unfinished for customization.

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    Downtown Dubuque Former HQ Building
    Downtown Dubuque Former HQ Building

    1398 Central Ave, Dubuque, IA 52001

    Contact for pricing
    49,080 sqft

    Iconic 49,000 SF building with redevelopment potential.

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    Two-Story Brick Office Building
    Two-Story Brick Office Building

    391 W 12TH ST, Dubuque, IA 52001

    Contact for pricing

    Existing half baths and immediate occupancy support a straightforward small-office setup.

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    Class A Office Building
    Class A Office Building

    3600 Digital Dr, Dubuque, IA 52003

    Contact for pricing
    27,525 sqft 6.83 AC lot

    Headquarters-caliber building with modern upgrades and tenant occupancy.

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    Dubuque Commercial Space For Sale
    Dubuque Commercial Space For Sale

    301 Data Ct, Dubuque, IA 52003

    Contact for pricing
    66,120 sqft

    66,120 SF commercial space with ample parking in Dubuque, IA.

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    Based on your search, we've compiled 75 Potential Opportunities for your consideration. Besides 16 Active listings in Dubuque County, IA, we suggest exploring several alternatives: similar 56 Off-Market properties to explore as potential leads, plus 3 Land Listings that present a potential for development.

    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.

    Commercial Land at Highway Interchange
    Commercial Land at Highway Interchange

    6501 Boulder Brook Court, Dubuque, IA 52003

    $600,000
    2.93 AC lot

    C-3 zoning supports office, medical, restaurant, and other commercial uses with municipal utility access.

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    Commercial Land with Highway Access
    Commercial Land with Highway Access

    S HWY 61 151, Dubuque, IA 52003

    $705,380
    10.00 AC lot

    Commercial land with frontage-road access near a major highway interchange and surrounding business, industrial, agricultural, and residential uses.

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    Planned Development Commercial Land
    Planned Development Commercial Land

    James and Irvine, Galena, IL 61036

    $88,500
    1.17 AC lot

    Parcel benefits from access to all City of Galena utility services.

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    Off-Market Properties in Dubuque County, IA

    Consider similar Off-Market properties in Dubuque County, IA. 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.

    2177 Main St
    OFFICE BUILDING

    2177 Main St, New Vienna, IA 52065-7734

    Estimated value:
    $260,000
    2,184 sqft 0.83 AC lot
    View details
    300 Data Ct
    OFFICE BUILDING

    300 Data Ct, Dubuque, IA 52003-8963

    Estimated value: by Request
    7,276 sqft 4.27 AC lot
    View details
    6601 Boulder Brk Ct
    OFFICE BUILDING

    6601 Boulder Brk Ct, Dubuque, IA 52003-9759

    Estimated value: by Request
    7,214 sqft 1.21 AC lot
    View details
    1545 Associates Dr
    OFFICE BUILDING

    1545 Associates Dr, Dubuque, IA 52002-2299

    Estimated value: by Request
    23,138 sqft 2.19 AC lot
    View details
    1200 Cedar Cross Rd
    PROFESSIONAL BUILDING

    1200 Cedar Cross Rd, Dubuque, IA 52003-0306

    Estimated value:
    $215,000
    5,408 sqft 1.14 AC lot
    View details
    500 Main St
    OFFICE BUILDING

    500 Main St, Dubuque, IA 52001-6836

    Estimated value:
    $3,925,000
    114,954 sqft 0.91 AC lot
    View details
    787 Locust St
    OFFICE BUILDING

    787 Locust St, Dubuque, IA 52001-4358

    Estimated value:
    $245,000
    2,720 sqft 0.56 AC lot
    View details
    400 Ice Hbr Dr
    OFFICE BUILDING

    400 Ice Hbr Dr, Dubuque, IA 52001-7631

    Estimated value:
    $1,790,000
    18,742 sqft 0.62 AC lot
    View details

    Dubuque County, IA Office Buildings Market Trends and Statistics

    Explore 72 office buildings for sale in Dubuque County, IA, showcased through 16 active listings on our real estate platform. These investment opportunities span a total of 224,512 square feet of properties for sale, with an estimated market value of $11,956,000.

    Sale prices for commercial office buildings in Dubuque County, IA start at $149,000, averaging $1,195,600, and reaching up to $3,250,000 — 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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