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    Property profile & analytics

    4201 Hwy K K O Fallon, MO 63368-8230

    • Medical Office Space
    • 5,016 SF
    • 0.96 lot acres
    OFF-MARKET
    Value Estimations
    $1,255,000
    Show details
    Cap Rate Potential
    Location Intelligence
    Property ID
    US48-0796563
    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

    • Medical Office Space

    Property Details for 4201 Hwy K K

    Year built
    2016
    Lot size
    0.96 lot acres
    Property size
    5,016 SF
    Property type
    Medical Office Space
    Property subtype
    Medical centers
    APN
    3-157C-9947-00-003D.0000000
    APU
    3157C994700003D0000000

    Value Estimations

    based on Realmo’s proprietary methodology

    • Comparable approach

      Method
      Estimation
      Statistic Estimate
      $1,257,000
      Market price range: $491k - $1.26M
      AI Estimate
      $1,257,000
      Market price range: $491k - $1.26M

    • Alternative Use

      Use
      Estimation
      MEDICAL BUILDING
      $975,000
      Current use
      RESTAURANT
      $1,910,000
      Change: +96% Conversion: Difficult
      AUTO REPAIR, GARAGE
      $870,000
      Change: -11% Conversion: Difficult
      RETAIL STORES
      $840,000
      Change: -14% Conversion: Difficult

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

    Location Insight

    • Map
    • Local Demand
    City
    O Fallon
    County
    St. Charles
    State
    Missouri
    Longitude
    -90.6987
    Latitude
    38.7246
    CBSA code
    41180
    CBSA name
    ST. LOUIS, MO-IL 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
    0
    $0.00
    $0.00
    $0.00
    $437,991
    -
    $705,679
    $663,044
    $1,368,723

    Comparable in this City

    • Value Estimation
      $1,825,000
      18,666 SF

      2630 Hwy K K

      MEDICAL BUILDING • 18,666 SF
      2630 Hwy K K, O Fallon, MO 63368-6624
      View Details
    • Value Estimation
      $1,170,000
      6,000 SF

      1032 Rondale Ct

      MEDICAL BUILDING • 6,000 SF
      1032 Rondale Ct, Dardenne Prairie, MO 63368-7368
      View Details
    • Value Estimation
      $1,270,000
      6,452 SF

      1053 Rondale Ct

      MEDICAL BUILDING • 6,452 SF
      1053 Rondale Ct, Dardenne Prairie, MO 63368-7368
      View Details
    • Value Estimation
      $2,495,000
      19,200 SF

      844 Waterbury Fls Dr

      MEDICAL BUILDING • 19,200 SF
      844 Waterbury Fls Dr, O Fallon, MO 63368-2215
      View Details
    • Value Estimation
      $700,000
      2,967 SF

      9210 Phoenix Vlg Pkwy

      MEDICAL BUILDING • 2,967 SF
      9210 Phoenix Vlg Pkwy, O Fallon, MO 63368-4779
      View Details
    • Value Estimation
      $2,110,000
      10,482 SF

      9323 Phoenix Vlg Pkwy

      MEDICAL BUILDING • 10,482 SF
      9323 Phoenix Vlg Pkwy, O Fallon, MO 63368-4281
      View Details

    Similar Nearby for Sale

    • Contact for pricing
      2,275 SF

      Modern Office with Vista Views

      Class A office space built in 2022, ideal for owner-user.
      6700 Keaton Corporate Pkwy, O Fallon, MO 63368
      View Details
    • Contact for pricing
      7,150 SF

      New Office Building Available

      High-end office space for lease or purchase in Dardenne Prairie.
      1000-1012 Rondale Ct, Dardenne Prairie, MO 63368
      View Details
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      10,600 SF

      O'Fallon Office Building For Sale

      10,600 SF office building in O'Fallon, Missouri.
      9323 Phoenix Village Pkwy, O Fallon, MO 63368
      View Details
    • Contact for pricing

      Class A Office Building

      Class A office building with easy highway access, up to 3,586SF
      856 Waterbury Falls Dr, O Fallon, MO 63368
      View Details
    • $1,250,000
      1.16 Acres

      O'Fallon, MO Commercial Land Parcel

      Prime 1.16-acre commercial lot, ideal for development.
      3435 State Hwy, O'Fallon, MO 63368
      View Details
    • $1,893,553
      1.61 Acres

      O'Fallon Commercial Land - Lot 4C

      1.61-acre commercial lot, prime location.
      4751 State Hwy, O'Fallon, MO 63368
      View Details

    Similar Nearby for Lease

    • $17 SF/Yr
      45,879 SF

      Waterbury Plaza: O'Fallon Office Space

      Prime O'Fallon, MO office space available.
      929 Waterbury Falls Dr, O'Fallon, MO 63368
      View Details
    • $22 SF/Yr
      26,000 SF

      O'Fallon, MO Medical Office Space

      Class A Office Suites, Ample Parking
      856 Waterbury Falls Dr, O'Fallon, MO 63368
      View Details
    • $31 SF/Yr
      60,824 SF

      Winghaven Medical Office Plaza

      Class A Medical Office Space Available
      5551 Winghaven Blvd, O'Fallon, MO 63368
      View Details
    • Contact for pricing
      2,492 SF

      Keaton Crossing Office/Medical Space

      Premier office/medical space in O'Fallon's high-demand corridor.
      4142 Keaton Crossing Blvd, O Fallon, MO 63368
      View Details
    • Contact for pricing
      1,400 SF

      Keaton Crossing Office/Medical Space

      Premier office/medical space in O'Fallon's high-demand corridor.
      4132 Keaton Crossing Blvd, O Fallon, MO 63368
      View Details
    • $20 SF/Yr
      4,213 SF

      Medical/Office Space Available For Lease

      4,213 SF medical/office space available in January 2025.
      7421 S Outer 364, Dardenne Prairie, MO 63368
      View Details
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    O Fallon, MO 63368-8230
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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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