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    Property profile & analytics

    745 Main St Dubuque, IA 52001-6821

    • Office buildings
    • 5,472 SF
    • 0.13 lot acres
    OFF-MARKET
    Value Estimations
    Cap Rate Potential
    Location Intelligence
    Property ID
    US25-0397759
    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

    • Probation Office / Probation Office

    Property Details for 745 Main St

    Year built
    1924
    Lot size
    0.13 lot acres
    Property size
    5,472 SF
    Property type
    Office buildings
    APN
    10-25-204-003
    APU
    1025204003

    Value Estimations

    based on Realmo’s proprietary methodology

    • AI approach

    • CAP approach

    • Comparable approach

    • Alternative Use

    Get a detailed, property-specific valuation — fast and free

    Location Insight

    • Map
    • Local Demand
    City
    Dubuque
    County
    Dubuque
    State
    Iowa
    Longitude
    -90.6672
    Latitude
    42.5003
    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
    $0.00
    $0.00
    $0.00
    $275,700
    -
    $0.00
    $0.00
    $275,700

    Comparable in this City

    • Value Estimation
      $660,000
      68,336 SF

      800 Main St

      PROFESSIONAL BUILDING • 68,336 SF
      800 Main St, Dubuque, IA 52001-6822
      View Details
    • Value Estimation by Request
      33,252 SF

      680 Main St

      OFFICE BUILDING • 33,252 SF
      680 Main St, Dubuque, IA 52001-6806
      View Details
    • Value Estimation by Request
      12,784 SF

      205 Mccormick St

      OFFICE BUILDING • 12,784 SF
      205 Mccormick St, Dubuque, IA 52001-6000
      View Details
    • Value Estimation
      $530,000
      43,393 SF

      385 Bell St

      OFFICE BUILDING • 43,393 SF
      385 Bell St, Dubuque, IA 52001-7004
      View Details
    • Value Estimation by Request
      2,886 SF

      2485 Wilbricht Ln

      OFFICE BUILDING • 2,886 SF
      2485 Wilbricht Ln, Dubuque, IA 52001-3033
      View Details
    • Value Estimation by Request
      10,382 SF

      3475 Windsor Ave

      OFFICE BUILDING • 10,382 SF
      3475 Windsor Ave, Dubuque, IA 52001-1329
      View Details

    Similar Nearby for Sale

    • $8,100,000
      46,513 SF

      Four-Story Office Building in Dubuque

      46,513 SF office building with river views for sale.
      385 Bell St, Dubuque, IA 52001
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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
      49,080 SF

      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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    • $169,000
      2,816 SF

      Income-Producing Duplex in Dubuque, IA

      Fully rented duplex with hardwood floors and brick exterior.
      364 W Locust St, Dubuque, IA 52001
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    • $1,250,000
      12,540 SF

      Historic Dubuque Building with Development Potential

      Five-story building in downtown Dubuque with development opportunities.
      100 Main St, Dubuque, IA 52001
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    Similar Nearby for Lease

    • 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
    • $11 SF/Yr
      2,060 SF

      Downtown Dubuque Executive Office Suite

      Prime 2,060 sq ft office/retail space.
      880 Locust St, Dubuque, IA 52001
      View Details
    • $5,700 /Mo
      3,640 SF

      Foothill Court Office Suites

      Prime Dubuque office space, flexible layouts.
      3255 Foothill Ct, Dubuque, IA 52001
      View Details
    • $9 SF/Yr
      15,700 SF

      Iowa Street Multi-Use Property

      Versatile Industrial/Office Space Available
      1084 Iowa St, Dubuque, IA 52001
      View Details
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    745 Main St
    Dubuque, IA 52001-6821
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    Realmo Value Estimations

    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.

    Realmo CapRate Calculation

    Realmo calculates the Capitalization Rate (Cap Rate) to help estimate a property's potential return on investment. The Cap Rate is a fundamental metric in commercial real estate that measures the relationship between a property's net operating income and its market value.

    How We Calculate Cap Rate

    Cap Rate Formula:
    Cap Rate (%) = (Net Operating Income / Property Value) × 100

    Net Operating Income (NOI) Formula:
    NOI = Area × Lease Rate × (1 - Vacancy Rate) × (1 - Operating Expense Ratio)

    Components

    Net Operating Income (NOI) represents the annual income a property generates after operating expenses:

    • Area: Building square footage from property records
    • Lease Rate: Annual $/sqft based on market data for the property type and geographic location
    • Vacancy Rate: Percentage of unoccupied space based on market data for the property type and location
    • Operating Expense Ratio: Operating costs as a percentage of income, varies by property type

    Property Value is derived from:

    • Recent sale price (if available)
    • Statistical models using comparable sales
    • AI-powered valuation estimates

    Example Calculation

    For a 100,000 sqft Office Building:

    • Lease Rate: $25.00/sqft/year (market data for Office in this area)
    • Vacancy Rate: 8% (market data for Office in this area)
    • Operating Expense Ratio: 35% (typical for Office properties)
    • Property Value: $15,000,000

    Step 1: Calculate NOI

    NOI = 100,000 × $25.00 × (1 - 0.08) × (1 - 0.35)
    NOI = 100,000 × $25.00 × 0.92 × 0.65
    NOI = $1,495,000/year

    Step 2: Calculate Cap Rate

    Cap Rate = ($1,495,000 / $15,000,000) × 100
    Cap Rate = 9.97%

    Property Type Considerations

    Net Operating Income calculations vary by property type due to different operating expense ratios:

    • Office: Higher expenses (30-40%) for HVAC, utilities, maintenance
    • Retail: Moderate expenses (25-35%) for common area maintenance
    • Industrial/Warehouse: Lower expenses (15-25%) for minimal tenant services
    • Multifamily: Moderate expenses (35-45%) including property management
    • Self-Storage: Lower expenses (25-35%) due to minimal maintenance

    Market lease rates and vacancy rates are specific to each property type and geographic location, reflecting local market conditions.

    Disclaimer

    These calculations are estimates for informational purposes only and should not be used as a substitute for professional financial analysis or appraisal.

    • Cap Rate calculations depend on market data that may change over time
    • Actual operating expenses, lease rates, and vacancy rates may differ from market averages
    • Individual property conditions, lease terms, and tenant quality significantly impact actual NOI
    • Property value estimates are approximations and not official appraisals
    • Cap rates vary widely by market, property condition, and investment risk profile

    Professional Guidance Recommended: Before making any investment or financial decisions, consult with licensed appraisers, commercial real estate brokers, and financial advisors who can evaluate your specific property and circumstances.
    By using this feature, you acknowledge that Realmo is not responsible for investment decisions or actions taken based on these estimates.

    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.

    Stat Estimate

    This method estimates value based on actual market adjusted recent (~5 years) sales of comparable properties around by location and property type.

    • Ranges - area data calculated by industry standard IQR Outlier Removal Method
    • Range-from: 75% of all similar sales ($/sqft) are above this value
    • Range-to: 75% of all similar sales ($/sqft) are below this value
    AI Estimate

    This method estimates value based on AI market estimation of comparable properties around by location and property type.

    • Ranges - area data calculated by industry standard IQR Outlier Removal Method
    • Range-from: 75% of all estimations ($/sqft) are above this value
    • Range-to: 75% of all estimations ($/sqft) are below this value
    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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