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    Property profile & analytics

    20 Research Park Dr Weldon Spring, MO 63304-5633

    • Office buildings
    • 75,605 SF
    • 8.80 lot acres
    OFF-MARKET
    Value Estimation
    Last Sale
    May 31, 2024
    Location Intelligence
    Property ID
    US48-0455951
    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

    • Office buildings

    Property Details for 20 Research Park Dr

    Year built
    1993
    Lot size
    8.80 lot acres
    Property size
    75,605 SF
    Property type
    Office buildings
    APN
    3-157G-A793-00-0020.0000000
    APU
    3157GA7930000200000000

    Value Estimation

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

    • CAP approach

    • Comparable approach

    • Alternative Use

    Location Insight

    • Map
    • Local Demand
    City
    Weldon Spring
    County
    St. Charles
    State
    Missouri
    Longitude
    -90.6829
    Latitude
    38.7093
    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
    $2,779,823
    -
    $1,724,976
    $6,961,968
    $8,686,944

    Comparable in this City

    • Value Estimation by Request
      3,034 SF

      5291 5th St

      OFFICE BUILDING • 3,034 SF
      5291 5th St, Saint Charles, MO 63304-8007
      View Details
    • Value Estimation by Request
      7,000 SF

      71 Triad S Dr

      OFFICE BUILDING • 7,000 SF
      71 Triad S Dr, Saint Peters, MO 63304-3507
      View Details
    • Value Estimation by Request
      48,616 SF

      17 Research Park Dr

      OFFICE BUILDING • 48,616 SF
      17 Research Park Dr, Saint Charles, MO 63304-5620
      View Details
    • Value Estimation by Request
      62,814 SF

      5 Research Park Dr

      OFFICE BUILDING • 62,814 SF
      5 Research Park Dr, Saint Charles, MO 63304-5685
      View Details
    • Value Estimation by Request
      50,846 SF

      15 Research Park Dr

      OFFICE BUILDING • 50,846 SF
      15 Research Park Dr, Saint Charles, MO 63304-5601
      View Details
    • Value Estimation by Request
      11,840 SF

      820 Westwood Industrial Park Dr

      OFFICE BUILDING • 11,840 SF
      820 Westwood Industrial Park Dr, Weldon Spring, MO 63304-4577
      View Details

    Similar Nearby for Sale

    • $160,000
      842 SF

      St Peters Condominium with Charm

      Comfortable condominium featuring two bedrooms, built in 1990.
      195 Harvest Moon Ct, Saint Charles, MO 63304
      View Details
    • $3,852,664
      25.27 Acres

      Weldon Spring Commercial Land

      25 Acres, I-64 Frontage, High-Tech Zoning
      48 Wolfrum Rd, Weldon Spring, MO 63304
      View Details
    • $269,900
      1.64 Acres

      Residential Land Near Golf Course

      1.64-acre lot near Missouri Bluffs Golf Club and Katy Trail.
      141 Summer Grace Ln, Saint Charles, MO 63304
      View Details
    • $1,215,640
      2.16 Acres

      Weldon Spring Commercial Land

      Prime 2.155-acre corner lot, high traffic.
      0 Cor Of Hwy 94 & Siedentop Rd, Weldon Spring, MO 63304
      View Details
    • $405,545
      1.33 Acres

      Weldon Spring Development Opportunity

      1.33 acres for development in Weldon Spring, Missouri.
      Siedentop Rd, Saint Charles, MO 63304
      View Details
    • $285,000
      0.52 Acres

      Golf Course Lot Opportunity

      Premium lot on Missouri Bluffs Golf Course.
      118 Summer Grace Ln, Saint Charles, MO 63304
      View Details

    Similar Nearby for Lease

    • $500 /Mo

      Move-in Ready Office in St Charles

      Full service office space with modern amenities and convenient location.
      1480 Woodstone Dr, Saint Charles, MO 63304
      View Details
    • $840 /Mo
      63,598 SF

      Move-in Ready Office Suite

      Office suite with included utilities and amenities in St Charles.
      1480 Woodstone Dr, Saint Charles, MO 63304
      View Details
    • $22 SF/Yr
      64,167 SF

      Missouri Research Park Medical Office

      St. Peters, MO medical office space for lease.
      20 Missouri Research Park, Saint Charles, MO 63304
      View Details
    • $15 SF/Yr
      1,377 SF

      Stand Alone Office For Rent

      1,377 SF stand-alone office space remodeled in 2023.
      1518 Caulks Hill Rd, Saint Charles, MO 63304
      View Details
    • $570 /Mo
      63,598 SF

      Move-in Ready Office Suites Available

      Updated office suites with included utilities and amenities for rent.
      1480 Woodstone Dr, Saint Charles, MO 63304
      View Details
    • $1,070 /Mo

      Move-in Ready Office Space

      Updated office space with utilities included near Hwy 364.
      1480 Woodstone Dr, Saint Charles, MO 63304
      View Details
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    Weldon Spring, MO 63304-5633
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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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