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    Property profile & analytics

    5 Riv Rd Cos Cob, CT 06807-2717

    • Office buildings
    • 8,560 SF
    • 0.48 lot acres
    OFF-MARKET
    Value Estimation
    $3,370,000
    Last Sale
    Jul 12, 2023
    $3,500,000
    Location Intelligence
    Property ID
    US15-0893970
    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

    • Sanko Kisen USA Corporation / Business Management Consultant

    Property Details for 5 Riv Rd

    Year built
    1982
    Construction
    STEEL FRAME
    Lot size
    0.48 lot acres
    Property size
    8,560 SF
    Zone code
    WB
    Property type
    Office buildings
    APN
    GREE M:08 B:2444/S
    APU
    GREEM08B2444S

    Value Estimation

    by Realmo proprietary methodology Last update: July 3, 2025

    • AI approach

      CAP return
      Estimation
      Estimation
      $3,305,000

    • CAP approach

      CAP return
      Estimation
      6%
      $3,530,000
      6.5%
      $3,680,000
      7%
      $3,780,000

    • Comparable approach

      Method
      Estimation
      Relative Method
      $3,525,000
      Geo Method
      $3,815,000

    • Alternative Use

      Use
      Estimation
      Distribution
      $2,970,000
      Retail
      $2,885,000
      Mixed-Use
      $3,835,000
      Hospitality
      $3,835,000
      Educational
      $3,495,000
      Residential Income
      $3,475,000
      Energy
      $3,850,000
      Income-Based Land
      $3,285,000
      Food Service
      $3,935,000

    Location Insight

    • Map
    • Local Demand
    City
    Cos Cob
    County
    Fairfield
    State
    Connecticut
    Longitude
    -73.5952
    Latitude
    41.0345
    CBSA code
    14860
    CBSA name
    BRIDGEPORT-STAMFORD-NORWALK, CT 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
    $39,575
    $1,194,200
    $2,206,890
    $3,401,090
    -
    $0.00
    $0.00
    $0.00

    Comparable in this City

    • Value Estimation by Request
      14,674 SF

      35 Riv Rd

      OFFICE BUILDING • 14,674 SF
      35 Riv Rd, Cos Cob, CT 06807-2759
      View Details
    • Value Estimation by Request
      5,489 SF

      119 Putnam Ave

      OFFICE BUILDING • 5,489 SF
      119 Putnam Ave, Cos Cob, CT 06807-2604
      View Details
    • Value Estimation
      $3,595,000
      7,897 SF

      99 Riv Rd

      OFFICE BUILDING • 7,897 SF
      99 Riv Rd, Cos Cob, CT 06807-2598
      View Details
    • Value Estimation by Request
      1,950 SF

      133 Riv Rd

      OFFICE BUILDING • 1,950 SF
      133 Riv Rd, Cos Cob, CT 06807-2539
      View Details
    • Value Estimation by Request
      2,175 SF

      108 Riv Rd

      OFFICE BUILDING • 2,175 SF
      108 Riv Rd, Cos Cob, CT 06807-2517
      View Details
    • Value Estimation by Request
      11,189 SF

      3 Riv Rd

      OFFICE BUILDING • 11,189 SF
      3 Riv Rd, Cos Cob, CT 06807-2717
      View Details

    Similar Nearby for Sale

    • $1,200,000

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      Buildable Lot with Existing Cottage

      0.52-acre lot with plans for a 4,200 sq. ft. home.
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    Similar Nearby for Lease

    • Contact for pricing
      5,054 SF

      Cos Cob Office Space Available

      5,054 SF office space with convenient access.
      31 River Rd, Cos Cob, CT 06807
      View Details
    • $4,000 /Mo

      Cos Cob Renovated Duplex

      Renovated 2-bedroom duplex in prime Cos Cob location.
      85 Strickland Rd, Cos Cob, CT 06807
      View Details
    • New
      $5,500 /Mo

      Cos Cob Waterfront Condo Rental

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      9 River Road Ext, Cos Cob, CT 06807
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      3,000 SF

      Furnished Cos Cob Townhouse

      Fully furnished 5-bedroom townhouse with private patio, available immediately.
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      New Luxury Residences in Greenwich

      Boutique-style residences with modern amenities in a convenient location.
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      View Details
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    5 Riv Rd
    Cos Cob, CT 06807-2717
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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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