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    Property profile & analytics

    1000 Main St Dubuque, IA 52001-4723

    • Office buildings
    • 17,289 SF
    • 0.14 lot acres
    OFF-MARKET
    Value Estimation
    Last Sale
    Sep 22, 2020
    Location Intelligence
    Property ID
    US25-0307906
    The Realmo ID is a unique identifier assigned to every property, incorporating country codes and precise geo-coordinates for 300x300-foot land blocks. It enables standardized data collection and seamless integration of disparate sources such as ownership, tax, title data and physical specifications. By aggregating current and historical records, the Realmo ID powers advanced analytics and delivers deep, verifiable insights for real estate professionals.

    Current Use by Public Records

    • O'Connor & Thomas Pc / Attorney
    • O'Connor & Thomas Law Firm, P.C. / Attorney / Employment Attorney
    • Fry Christopher / Attorney
    • O'Connor & Thomas Law Firm / Attorney

    Property Details for 1000 Main St

    Year built
    1890
    Lot size
    0.14 lot acres
    Property size
    17,289 SF
    Property type
    Office buildings
    APN
    10-24-460-005
    APU
    1024460005

    Value Estimation

    Powered by Realmo proprietary methodology Last update: July 3, 2025

    • CAP approach

    • Comparable approach

    • Alternative Use

    Location Insight

    • Map
    • Local Demand
    City
    Dubuque
    County
    Dubuque
    State
    Iowa
    Longitude
    -90.6678
    Latitude
    42.5027
    CBSA code
    20220
    CBSA name
    DUBUQUE, IA METROPOLITAN STATISTICAL AREA

    Property Tax & Assessments

    Tax date
    Tax Amount
    Assessed Land Value
    Assessed Improvement Value
    Total Assessed Value
    Applied Tax Rate
    Land Market Value
    Improvement Market Value
    Total Market Value
    2023
    $32,952
    $42,600
    $1,211,800
    $1,254,400
    -
    $42,600
    $1,211,800
    $1,254,400

    Comparable in this City

    • Value Estimation by Request
      5,900 SF

      1225 Alta Vis St

      OFFICE BUILDING • 5,900 SF
      1225 Alta Vis St, Dubuque, IA 52001-4328
      View Details
    • Value Estimation by Request
      1,176 SF

      4 12th St Ext

      OFFICE BUILDING • 1,176 SF
      4 12th St Ext, Dubuque, IA 52001
      View Details
    • Value Estimation by Request
      22,180 SF

      131 10th St

      OFFICE BUILDING • 22,180 SF
      131 10th St, Dubuque, IA 52001-4814
      View Details
    • Value Estimation
      $235,000
      5,927 SF

      400 7th St

      OFFICE BUILDING • 5,927 SF
      400 7th St, Dubuque, IA 52001-2311
      View Details
    • Value Estimation
      $6,090,000
      36,074 SF

      137 Main St

      SKYSCRAPER/HIGH-RISE (COM OFFICES) • 36,074 SF
      137 Main St, Dubuque, IA 52001-7677
      View Details
    • Value Estimation by Request
      3,640 SF

      3255 Foothill Ct

      OFFICE BUILDING • 3,640 SF
      3255 Foothill Ct, Dubuque, IA 52001-0840
      View Details

    Similar Nearby for Sale

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      46,513 SF

      Four-Story Office Building in Dubuque

      46,513 SF office building with river views for sale.
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    • Contact for pricing
      5,452 SF

      Historic Dubuque Mixed-Use Building

      Prime location, 5,452 sq ft, historic charm.
      990 Washington St, Dubuque, IA 52001
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    • $3,300,000
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      Downtown Dubuque Mixed-Use Gem

      Class A, 49,080 sq ft, high potential
      1398 Central Ave, Dubuque, IA 52001
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    • $79,900
      572 SF

      Affordable Commercial Space in Dubuque

      572 SF commercial space with high visibility on a busy street.
      1520 Central Ave, Dubuque, IA 52001
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    • $785,495
      1.01 Acres

      Dubuque Industrial Land Parcel

      1-Acre Commercial Lot, Gateway Project
      10 Main St, Dubuque, IA 52001
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    • $1,500,000
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      Historic Dubuque Brewing Complex

      Unique development opportunity in historic Dubuque Brewing Complex.
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    Similar Nearby for Lease

    • $6 SF/Yr
      130,000 SF

      1000 Jackson St

      Office space • 130,000 SF
      1000 Jackson St, Dubuque, IA 52001
      View Details
    • $9 SF/Yr
      5,500 SF

      Iowa Street Commercial Space

      5,500 SF Creative Office/Retail
      1044 Iowa St, Dubuque, IA 52001
      View Details
    • $1,425 /Mo

      Office Suite in Atrium Building

      Upper-level office suite with four offices and elevator access.
      2728 Asbury Rd, Dubuque, IA 52001
      View Details
    • Contact for pricing
      5,452 SF

      Historic Dubuque Retail Space

      Prime Millwork District location, 5400 sq ft.
      990 Washington St, Dubuque, IA 52001
      View Details
    • $9 SF/Yr
      25,000 SF

      Downtown Dubuque Office Space

      Class A Office, 5,000-15,000 SF Available
      131 10Th St, Dubuque, IA 52001
      View Details
    • $12 SF/Yr
      300 SF

      Downtown Dubuque Office Suite

      Historic building, 300 sq ft coworking space.
      880 Locust St, Dubuque, IA 52001
      View Details
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    Dubuque, IA 52001-4723
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    Realmo Value Estimation

    Realmo estimates a property’s market value using a proprietary methodology that incorporates public data and user-submitted information. This cumulative value is generated by integrating a variety of conventional and innovative methods. 

    Disclaimer

    These figures are not official appraisals and should not be used as a substitute for a valuation performed by a licensed appraiser.

    Actual market value may differ due to factors not captured in the data. Estimates are offered for informational purposes only, and users should conduct independent research before making financial or investment decisions.

    By using this feature, you acknowledge that Realmo is not responsible for actions taken based on these estimates.

    AI approach

    Realmo AI Method estimates property value using machine learning models trained on millions of comparable listings, transactions, and market signals. It analyzes property features, location intelligence data, and current market dynamics to predict the most probable market value in real time.

    Cap approach

    Capitalization Method calculates value based on estimated net operating income (NOI) and applying a market-based capitalization rate (cap rate), we estimate what a typical investor might be willing to pay for it.

    Comparable approach

    Comparable estimate is based on recent sales of similar nearby properties, adjusted for factors like size, condition, and location.

    Relative

    Relative property class coefficient uses factors that account for typical price differences between various asset types (e.g., retail vs. industrial) to provide a more accurate market-aligned estimate.

    Geo

    Comparable Sales Method, enhanced by Geo coefficients — location-based adjustment factors that reflect differences in price levels across neighborhoods, cities, or regions ensuring a more accurate, market-sensitive valuation.

    Alternative use

    Estimate considers the property’s potential value if used for a different purpose-based on zoning, demand, and market feasibility.

    More about this property
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