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    The Largest CRE Database in the US with Over 1 Million Listings
    Property profile & analytics

    600 4Th Street Cir Sioux City, IA 51101

    • Office buildings
    • 218,966 SF
    • 1.29 lot acres
    For Sale
    View listing
    Value Estimations
    Cap Rate Potential
    Location Intelligence
    Property ID
    US25-0995522
    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

    • Green Star Gasifiers, LLC / Green Energy Supplier / Environment Renewable Natural Resources
    • Engineering & Construction Services / Construction Company
    • Warren Software Consulting / Software Company / Computer Consultant
    • Eileen M. Middleton, PA / Physician Assistant
    • EjiroV.Agboro-Idahosa, M.D. / Psychiatrist

    Property Details for 600 4Th Street Cir

    Year built
    1983
    Lot size
    1.29 lot acres
    Property size
    218,966 SF
    Property type
    Office buildings
    APN
    894728377007
    APU
    894728377007

    Value Estimations

    based on Realmo’s proprietary methodology

    • AI approach

      Method
      Estimation
      ML approach
      $320,000

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

    Location Insight

    • Map
    • Local Demand
    City
    Sioux City
    County
    Woodbury
    State
    Iowa
    Longitude
    -96.4028
    Latitude
    42.4938
    CBSA code
    43580
    CBSA name
    SIOUX CITY, IA-NE-SD 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
    $208,674
    $298,900
    $5,610,000
    $5,908,900
    -
    $298,900
    $5,610,000
    $5,908,900

    Comparable in this City

    • Value Estimation
      $410,000
      13,080 SF

      410 5th St, Unit 12

      PROFESSIONAL BUILDING • 13,080 SF
      410 5th St, Sioux City, IA 51101-1442
      View Details
    • Value Estimation
      $485,000
      62,610 SF

      507 7th St

      SKYSCRAPER/HIGH-RISE (COM OFFICES) • 62,610 SF
      507 7th St, Sioux City, IA 51101-1100
      View Details
    • Value Estimation
      $280,000
      18,019 SF

      2015 7th St

      OFFICE BUILDING • 18,019 SF
      2015 7th St, Sioux City, IA 51101-2003
      View Details
    • Value Estimation
      $660,000
      174,775 SF

      401 Douglas St

      OFFICE BUILDING • 174,775 SF
      401 Douglas St, Sioux City, IA 51101-1469
      View Details
    • Value Estimation by Request
      4,720 SF

      701 Steuben St

      OFFICE BUILDING • 4,720 SF
      701 Steuben St, Sioux City, IA 51101-2044
      View Details
    • Value Estimation
      $240,000
      2,772 SF

      921 Pierce St

      OFFICE BUILDING • 2,772 SF
      921 Pierce St, Sioux City, IA 51101-1031
      View Details

    Similar Nearby for Sale

    • $315,000
      0.23 Acres

      Corner Lot Office Building

      Prime office building with modern updates and private parking.
      623 Jackson St, Sioux City, IA 51101
      View Details
    • $499,000
      0.04 Acres

      Renovated Office Building with Mural

      Three-story office building in Sioux City with recent renovations.
      501 Douglas St, Sioux City, IA 51101
      View Details
    • $2,750,000
      54,000 SF

      Historic Sioux City Commercial Building

      Eight-story commercial building in downtown Sioux City with retail and office.
      505 5Th St, Sioux City, IA 51101
      View Details
    • Contact for pricing
      0.05 Acres

      Downtown Sioux City Retail/Office Space

      New ground floor space in prime downtown Sioux City location.
      101 Virginia St, Sioux City, IA 51101
      View Details
    • Contact for pricing
      0.34 Acres

      Historic Downtown Office Space

      Office space in the Historic Frances Building with skywalk access.
      505 5Th St, Sioux City, IA 51101
      View Details
    • Contact for pricing
      1,731 SF

      Functional Office Space in Sioux City

      Versatile ground floor office space with private offices and open area.
      201 Pierce St, Sioux City, IA 51101
      View Details

    Similar Nearby for Lease

    • $15 SF/Yr
      6,451 SF

      Sioux City Flex/Retail/Office Space

      Flex, retail, or office space available for rent.
      705 West 6Th St, Sioux City, IA 51101
      View Details
    • $12 SF/Yr
      2,019 SF

      Historic Downtown Sioux City Office

      Prime Executive Office Space, Downtown Sioux City
      617 Pierce St, Sioux City, IA 51101
      View Details
    • $13 SF/Yr
      5,228 SF

      Downtown Sioux City Office Condo

      Class A Office Space, Flexible Layout
      700 4Th St, Sioux City, IA 51101
      View Details
    • $14 SF/Yr
      181,462 SF

      Suite 1006: Premier Sioux City Office

      2,308 sq ft Executive Office Space
      600 4Th St, Sioux City, IA 51101
      View Details
    • Contact for pricing
      191 SF

      Downtown Sioux City Office Space

      Office spaces available in downtown Sioux City, from 191-3,000 SF.
      501 Pierce St, Sioux City, IA 51101
      View Details
    • $11 SF/Yr
      22,651 SF

      Downtown Sioux City Office Space

      Class A office space in a prime downtown location.
      103 S Virginia St, Sioux City, IA 51101
      View Details
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    600 4Th Street Cir
    Sioux City, IA 51101
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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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